from collections import OrderedDict
import json
from django.urls import reverse
from rest_framework import serializers

# pylint: disable=redefined-builtin

# PokeAPI v2 serializers in order of dependency

from .models import *


#########################
#  SUMMARY SERIALIZERS  #
#########################

# Summary serializers are just for list and reference behavior

# Putting summary serializers up top so there are no conflicts
# with reference accross models due to script running order

class AbilitySummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Ability
        fields = ('name', 'url')


class BerryFirmnessSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = BerryFirmness
        fields = ('name', 'url')


class BerryFlavorSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = BerryFlavor
        fields = ('name', 'url')


class BerrySummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Berry
        fields = ('name', 'url')


class CharacteristicSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Characteristic
        fields = ('url',)


class ContestEffectSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = ContestEffect
        fields = ('url',)


class ContestTypeSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = ContestType
        fields = ('name', 'url')


class EggGroupSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = EggGroup
        fields = ('name', 'url')


class EncounterConditionSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = EncounterCondition
        fields = ('name', 'url')


class EncounterConditionValueSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = EncounterConditionValue
        fields = ('name', 'url')


class EncounterMethodSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = EncounterMethod
        fields = ('name', 'url')


class EvolutionTriggerSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = EvolutionTrigger
        fields = ('name', 'url')


class EvolutionChainSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = EvolutionChain
        fields = ('url',)


class GenerationSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Generation
        fields = ('name', 'url')


class GenderSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Gender
        fields = ('name', 'url')


class GrowthRateSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = GrowthRate
        fields = ('name', 'url')


class ItemPocketSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = ItemPocket
        fields = ('name', 'url')


class ItemCategorySummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = ItemCategory
        fields = ('name', 'url')


class ItemAttributeSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = ItemAttribute
        fields = ('name', 'url')


class ItemFlingEffectSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = ItemFlingEffect
        fields = ('name', 'url')


class ItemSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Item
        fields = ('name', 'url')


class LanguageSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Language
        fields = ('name', 'url')


class LocationSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Location
        fields = ('name', 'url')


class LocationAreaSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = LocationArea
        fields = ('name', 'url')


class MachineSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Machine
        fields = ('url',)


class MoveBattleStyleSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = MoveBattleStyle
        fields = ('name', 'url')


class MoveDamageClassSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = MoveDamageClass
        fields = ('name', 'url')


class MoveMetaAilmentSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = MoveMetaAilment
        fields = ('name', 'url')


class MoveMetaCategorySummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = MoveMetaCategory
        fields = ('name', 'url')


class MoveTargetSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = MoveTarget
        fields = ('name', 'url')


class MoveSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Move
        fields = ('name', 'url')


class MoveLearnMethodSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = MoveLearnMethod
        fields = ('name', 'url')


class NatureSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Nature
        fields = ('name', 'url')


class PalParkAreaSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = PalParkArea
        fields = ('name', 'url')


class PokeathlonStatSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = PokeathlonStat
        fields = ('name', 'url')


class PokedexSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Pokedex
        fields = ('name', 'url')


class PokemonColorSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = PokemonColor
        fields = ('name', 'url')


class PokemonHabitatSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = PokemonHabitat
        fields = ('name', 'url')


class PokemonShapeSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = PokemonShape
        fields = ('name', 'url')


class PokemonSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Pokemon
        fields = ('name', 'url')


class PokemonSpeciesSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = PokemonSpecies
        fields = ('name', 'url')


class PokemonFormSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = PokemonForm
        fields = ('name', 'url')


class RegionSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Region
        fields = ('name', 'url')


class StatSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Stat
        fields = ('name', 'url')


class SuperContestEffectSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = SuperContestEffect
        fields = ('url',)


class TypeSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Type
        fields = ('name', 'url')


class VersionSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = Version
        fields = ('name', 'url')


class VersionGroupSummarySerializer(serializers.HyperlinkedModelSerializer):

    class Meta:
        model = VersionGroup
        fields = ('name', 'url')


#####################
#  MAP SERIALIZERS  #
#####################

class BerryFlavorMapSerializer(serializers.ModelSerializer):

    berry = BerrySummarySerializer()
    flavor = BerryFlavorSummarySerializer(source='berry_flavor')

    class Meta:
        model = BerryFlavorMap
        fields = ('potency', 'berry', 'flavor')


class ItemAttributeMapSerializer(serializers.ModelSerializer):

    item = ItemSummarySerializer()
    attribute = ItemAttributeSummarySerializer(source='item_attribute')

    class Meta:
        model = ItemAttributeMap
        fields = ('item', 'attribute',)


class MoveMetaStatChangeSerializer(serializers.ModelSerializer):

    stat = StatSummarySerializer()
    move = MoveSummarySerializer()

    class Meta:
        model = MoveMetaStatChange
        fields = ('change', 'move', 'stat')


class NaturePokeathlonStatSerializer(serializers.ModelSerializer):

    pokeathlon_stat = PokeathlonStatSummarySerializer()
    nature = NatureSummarySerializer()

    class Meta:
        model = NaturePokeathlonStat
        fields = ('max_change', 'nature', 'pokeathlon_stat')


class PokemonAbilitySerializer(serializers.ModelSerializer):

    pokemon = PokemonSummarySerializer()
    ability = AbilitySummarySerializer()

    class Meta:
        model = PokemonAbility
        fields = ('is_hidden', 'slot', 'ability', 'pokemon')


class PokemonDexEntrySerializer(serializers.ModelSerializer):

    entry_number = serializers.IntegerField(source="pokedex_number")
    pokedex = PokedexSummarySerializer()

    class Meta:
        model = PokemonDexNumber
        fields = ('entry_number', 'pokedex')


class PokemonTypeSerializer(serializers.ModelSerializer):

    pokemon = PokemonSummarySerializer()
    type = TypeSummarySerializer()

    class Meta:
        model = PokemonType
        fields = ('slot', 'pokemon', 'type')


class PokemonTypePastSerializer(serializers.ModelSerializer):

    generation = GenerationSummarySerializer()
    type = TypeSummarySerializer()

    class Meta:
        model = PokemonTypePast
        fields = ('pokemon', 'generation', 'slot', 'type')


class PokedexVersionGroupSerializer(serializers.ModelSerializer):

    pokedex = PokedexSummarySerializer()
    version_group = VersionGroupSummarySerializer()

    class Meta:
        model = PokedexVersionGroup
        fields = ('pokedex', 'version_group')


class VersionGroupMoveLearnMethodSerializer(serializers.ModelSerializer):

    version_group = VersionGroupSummarySerializer()
    move_learn_method = MoveLearnMethodSummarySerializer()

    class Meta:
        model = ItemAttributeMap
        fields = ('version_group', 'move_learn_method')


class VersionGroupRegionSerializer(serializers.ModelSerializer):

    version_group = VersionGroupSummarySerializer()
    region = RegionSummarySerializer()

    class Meta:
        model = ItemAttributeMap
        fields = ('version_group', 'region',)


class EncounterConditionValueMapSerializer(serializers.ModelSerializer):

    condition_value = EncounterConditionValueSummarySerializer(source='encounter_condition_value')

    class Meta:
        model = EncounterConditionValueMap
        fields = ('condition_value',)


################################
#  CHARACTERISTIC SERIALIZERS  #
################################

class CharacteristicDescriptionSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = CharacteristicDescription
        fields = ('description', 'language')


class CharacteristicDetailSerializer(serializers.ModelSerializer):

    descriptions = CharacteristicDescriptionSerializer(
        many=True, read_only=True, source='characteristicdescription')
    highest_stat = StatSummarySerializer(source="stat")
    gene_modulo = serializers.IntegerField(source='gene_mod_5')
    possible_values = serializers.SerializerMethodField('get_values')

    class Meta:
        model = Characteristic
        fields = ('id', 'gene_modulo', 'possible_values', 'highest_stat', 'descriptions')

    def get_values(self, obj):

        mod = obj.gene_mod_5
        values = []
        while mod <= 30:
            values.append(mod)
            mod += 5

        return values


#########################
#  CONTEST SERIALIZERS  #
#########################

class SuperContestEffectFlavorTextSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = SuperContestEffectFlavorText
        fields = ('flavor_text', 'language')


class SuperContestEffectDetailSerializer(serializers.ModelSerializer):

    flavor_text_entries = SuperContestEffectFlavorTextSerializer(
        many=True, read_only=True, source='supercontesteffectflavortext')
    moves = MoveSummarySerializer(many=True, read_only=True, source='move')

    class Meta:
        model = SuperContestEffect
        fields = ('id', 'appeal', 'flavor_text_entries', 'moves')


class ContestEffectEffectTextSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = ContestEffectEffectText
        fields = ('effect', 'language')


class ContestEffectFlavorTextSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = ContestEffectFlavorText
        fields = ('flavor_text', 'language')


class ContestEffectDetailSerializer(serializers.ModelSerializer):

    effect_entries = ContestEffectEffectTextSerializer(
        many=True, read_only=True, source='contesteffecteffecttext')
    flavor_text_entries = ContestEffectFlavorTextSerializer(
        many=True, read_only=True, source='contesteffectflavortext')

    class Meta:
        model = ContestEffect
        fields = ('id', 'appeal', 'jam', 'effect_entries', 'flavor_text_entries')


class ContestTypeNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = ContestTypeName
        fields = ('name', 'color', 'language')


class ContestTypeDetailSerializer(serializers.ModelSerializer):

    names = ContestTypeNameSerializer(many=True, read_only=True, source='contesttypename')
    berry_flavor = BerryFlavorSummarySerializer(read_only=True, source='berryflavor')

    class Meta:
        model = ContestType
        fields = ('id', 'name', 'berry_flavor', 'names')


class SuperContestComboSerializer(serializers.ModelSerializer):

    first_move = MoveSummarySerializer()
    second_move = MoveSummarySerializer()

    class Meta:
        model = SuperContestCombo
        fields = ('first_move', 'second_move')


class ContestComboSerializer(serializers.ModelSerializer):

    first_move = MoveSummarySerializer()
    second_move = MoveSummarySerializer()

    class Meta:
        model = ContestCombo
        fields = ('first_move', 'second_move')


########################
#  REGION SERIALIZERS  #
########################

class RegionNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = RegionName
        fields = ('name', 'language')


class RegionDetailSerializer(serializers.ModelSerializer):

    names = RegionNameSerializer(many=True, read_only=True, source="regionname")
    locations = LocationSummarySerializer(many=True, read_only=True, source="location")
    version_groups = serializers.SerializerMethodField('get_region_version_groups')
    pokedexes = PokedexSummarySerializer(many=True, read_only=True, source="pokedex")
    main_generation = GenerationSummarySerializer(read_only=True, source="generation")

    class Meta:
        model = Region
        fields = (
            'id', 'name', 'locations', 'main_generation', 'names', 'pokedexes', 'version_groups'
        )

    def get_region_version_groups(self, obj):

        vg_regions = VersionGroupRegion.objects.filter(region=obj)
        data = VersionGroupRegionSerializer(vg_regions, many=True, context=self.context).data
        groups = []

        for group in data:
            groups.append(group['version_group'])

        return groups


############################
#  GENERATION SERIALIZERS  #
############################

class GenerationNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = GenerationName
        fields = ('name', 'language')


class GenerationDetailSerializer(serializers.ModelSerializer):

    main_region = RegionSummarySerializer(source='region')
    names = GenerationNameSerializer(many=True, read_only=True, source="generationname")
    abilities = AbilitySummarySerializer(many=True, read_only=True, source="ability")
    moves = MoveSummarySerializer(many=True, read_only=True, source="move")
    pokemon_species = PokemonSpeciesSummarySerializer(
        many=True, read_only=True, source="pokemonspecies")
    types = TypeSummarySerializer(many=True, read_only=True, source="type")
    version_groups = VersionGroupSummarySerializer(many=True, read_only=True, source="versiongroup")

    class Meta:
        model = Generation
        fields = (
            'id', 'name', 'abilities', 'main_region', 'moves', 'names',
            'pokemon_species', 'types', 'version_groups'
        )


########################
#  GENDER SERIALIZERS  #
########################

class GenderDetailSerializer(serializers.ModelSerializer):

    pokemon_species_details = serializers.SerializerMethodField('get_species')
    required_for_evolution = serializers.SerializerMethodField('get_required')

    class Meta:
        model = Gender
        fields = ('id', 'name', 'pokemon_species_details', 'required_for_evolution')

    def get_species(self, obj):

        species_objects = []

        if obj.name == 'female':
            species_objects = PokemonSpecies.objects.filter(gender_rate__gt=0)
        elif obj.name == 'male':
            species_objects = PokemonSpecies.objects.filter(gender_rate__range=[0, 7])
        elif obj.name == 'genderless':
            species_objects = PokemonSpecies.objects.filter(gender_rate=-1)

        details = []

        for species in species_objects:
            detail = OrderedDict()
            detail['rate'] = species.gender_rate
            detail['pokemon_species'] = PokemonSpeciesSummarySerializer(
                species, context=self.context).data
            details.append(detail)

        return details

    def get_required(self, obj):

        evo_objects = PokemonEvolution.objects.filter(gender=obj)
        species_list = []

        for evo in evo_objects:
            species = PokemonSpeciesSummarySerializer(
                evo.evolved_species, context=self.context).data
            species_list.append(species)

        return species_list


#############################
#  GROWTH RATE SERIALIZERS  #
#############################

class ExperienceSerializer(serializers.ModelSerializer):

    class Meta:
        model = Experience
        fields = ('level', 'experience')


class GrowthRateDescriptionSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = GrowthRateDescription
        fields = ('description', 'language')


class GrowthRateDetailSerializer(serializers.ModelSerializer):

    descriptions = GrowthRateDescriptionSerializer(
        many=True, read_only=True, source="growthratedescription")
    levels = ExperienceSerializer(many=True, read_only=True, source="experience")
    pokemon_species = PokemonSpeciesSummarySerializer(
        many=True, read_only=True, source="pokemonspecies")

    class Meta:
        model = GrowthRate
        fields = ('id', 'name', 'formula', 'descriptions', 'levels', 'pokemon_species')


##########################
#  LANGUAGE SERIALIZERS  #
##########################

class LanguageNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer(source="local_language")

    class Meta:
        model = LanguageName
        fields = ('name', 'language')


class LanguageDetailSerializer(serializers.ModelSerializer):

    names = LanguageNameSerializer(many=True, read_only=True, source='languagename_language')

    class Meta:
        model = Language
        fields = ('id', 'name', 'official', 'iso639', 'iso3166', 'names')


########################################
#  LOCATION AND ENCOUNTER SERIALIZERS  #
########################################

class EncounterConditionNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = EncounterConditionName
        fields = ('name', 'language')


class EncounterConditionDetailSerializer(serializers.ModelSerializer):

    names = EncounterConditionNameSerializer(
        many=True, read_only=True, source='encounterconditionname')
    values = EncounterConditionValueSummarySerializer(
        many=True, read_only=True, source='encounterconditionvalue')

    class Meta:
        model = EncounterCondition
        fields = ('id', 'name', 'values', 'names')


class EncounterConditionValueNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = EncounterConditionValueName
        fields = ('name', 'language')


class EncounterConditionValueDetailSerializer(serializers.ModelSerializer):

    condition = EncounterConditionSummarySerializer(source='encounter_condition')
    names = EncounterConditionValueNameSerializer(
        many=True, read_only=True, source='encounterconditionvaluename')

    class Meta:
        model = EncounterConditionValue
        fields = ('id', 'name', 'condition', 'names')


class EncounterMethodNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = EncounterMethodName
        fields = ('name', 'language')


class EncounterMethodDetailSerializer(serializers.ModelSerializer):

    names = EncounterMethodNameSerializer(many=True, read_only=True, source='encountermethodname')

    class Meta:
        model = EncounterMethod
        fields = ('id', 'name', 'order', 'names')


class EncounterSlotSerializer(serializers.ModelSerializer):

    encounter_method = EncounterMethodSummarySerializer()
    chance = serializers.IntegerField(source='rarity')

    class Meta:
        model = EncounterSlot
        fields = ('id', 'slot', 'chance', 'encounter_method', 'version_group')


class EncounterDetailSerializer(serializers.ModelSerializer):

    version = VersionSummarySerializer()
    location_area = LocationAreaSummarySerializer()
    pokemon = PokemonSummarySerializer()
    condition_values = serializers.SerializerMethodField('get_encounter_conditions')

    class Meta:
        model = Encounter
        fields = (
            'min_level', 'max_level', 'version', 'encounter_slot',
            'pokemon', 'location_area', 'condition_values'
        )

    def get_encounter_conditions(self, obj):

        condition_values = EncounterConditionValueMap.objects.filter(encounter=obj)
        data = EncounterConditionValueMapSerializer(
            condition_values, many=True, context=self.context).data
        values = []

        for map in data:
            values.append(map['condition_value'])

        return values


class LocationAreaEncounterRateSerializer(serializers.ModelSerializer):

    encounter_method = EncounterMethodSummarySerializer()
    version = VersionSummarySerializer()

    class Meta:
        model = LocationAreaEncounterRate
        fields = ('rate', 'encounter_method', 'version')


class LocationAreaNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = LocationAreaName
        fields = ('name', 'language')


class LocationAreaDetailSerializer(serializers.ModelSerializer):

    location = LocationSummarySerializer()
    encounter_method_rates = serializers.SerializerMethodField('get_method_rates')
    pokemon_encounters = serializers.SerializerMethodField('get_encounters')
    names = LocationAreaNameSerializer(many=True, read_only=True, source='locationareaname')

    class Meta:
        model = LocationArea
        fields = (
            'id', 'name', 'game_index', 'encounter_method_rates',
            'location', 'names', 'pokemon_encounters'
        )

    def get_method_rates(self, obj):

        # Get encounters related to this area and pull out unique encounter methods
        encounter_rates = LocationAreaEncounterRate.objects.filter(
            location_area=obj).order_by('encounter_method_id')
        method_ids = encounter_rates.values('encounter_method_id').distinct()
        encounter_rate_list = []

        for id in method_ids:

            encounter_rate_details = OrderedDict()

            # Get each Unique Item by ID
            encounter_method_object = EncounterMethod.objects.get(pk=id['encounter_method_id'])
            encounter_method_data = EncounterMethodSummarySerializer(
                encounter_method_object, context=self.context).data
            encounter_rate_details['encounter_method'] = encounter_method_data

            # Get Versions associated with each unique item
            area_encounter_objects = encounter_rates.filter(
                encounter_method_id=id['encounter_method_id'])
            serializer = LocationAreaEncounterRateSerializer(
                area_encounter_objects, many=True, context=self.context)
            encounter_rate_details['version_details'] = []

            for area_encounter in serializer.data:

                version_detail = OrderedDict()

                version_detail['rate'] = area_encounter['rate']
                version_detail['version'] = area_encounter['version']

                encounter_rate_details['version_details'].append(version_detail)

            encounter_rate_list.append(encounter_rate_details)

        return encounter_rate_list

    def get_encounters(self, obj):

        # get versions for later use
        version_objects = Version.objects.all()
        version_data = VersionSummarySerializer(
            version_objects, many=True, context=self.context).data

        # all encounters associated with location area
        all_encounters = Encounter.objects.filter(location_area=obj).order_by('pokemon')
        encounters_list = []

        # break encounters into pokemon groupings
        for poke in all_encounters.values('pokemon').distinct():

            pokemon_object = Pokemon.objects.get(pk=poke['pokemon'])

            pokemon_detail = OrderedDict()
            pokemon_detail['pokemon'] = PokemonSummarySerializer(
                pokemon_object, context=self.context).data
            pokemon_detail['version_details'] = []

            poke_encounters = all_encounters.filter(pokemon=poke['pokemon']).order_by('version')

            # each pokemon has multiple versions it could be encountered in
            for ver in poke_encounters.values('version').distinct():
                version_detail = OrderedDict()
                version_detail['version'] = version_data[ver['version'] - 1]
                version_detail['max_chance'] = 0
                version_detail['encounter_details'] = []

                poke_data = EncounterDetailSerializer(
                    poke_encounters.filter(version=ver['version']),
                    many=True, context=self.context).data

                # each version has multiple ways a pokemon can be encountered
                for encounter in poke_data:

                    slot = EncounterSlot.objects.get(pk=encounter['encounter_slot'])
                    slot_data = EncounterSlotSerializer(slot, context=self.context).data
                    del encounter['pokemon']
                    del encounter['encounter_slot']
                    del encounter['location_area']
                    del encounter['version']
                    encounter['chance'] = slot_data['chance']
                    version_detail['max_chance'] += slot_data['chance']
                    encounter['method'] = slot_data['encounter_method']

                    version_detail['encounter_details'].append(encounter)

                pokemon_detail['version_details'].append(version_detail)

            encounters_list.append(pokemon_detail)

        return encounters_list


class LocationGameIndexSerializer(serializers.ModelSerializer):

    generation = GenerationSummarySerializer()

    class Meta:
        model = LocationGameIndex
        fields = ('game_index', 'generation')


class LocationNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = LocationName
        fields = ('name', 'language')


class LocationDetailSerializer(serializers.ModelSerializer):

    region = RegionSummarySerializer()
    names = LocationNameSerializer(many=True, read_only=True, source="locationname")
    game_indices = LocationGameIndexSerializer(
        many=True, read_only=True, source="locationgameindex")
    areas = LocationAreaSummarySerializer(many=True, read_only=True, source="locationarea")

    class Meta:
        model = Location
        fields = ('id', 'name', 'region', 'names', 'game_indices', 'areas')


#########################
#  ABILITY SERIALIZERS  #
#########################

class AbilityEffectTextSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = AbilityEffectText
        fields = ('effect', 'short_effect', 'language')


class AbilityFlavorTextSerializer(serializers.ModelSerializer):

    flavor_text = serializers.CharField()
    language = LanguageSummarySerializer()
    version_group = VersionGroupSummarySerializer()

    class Meta:
        model = AbilityFlavorText
        fields = ('flavor_text', 'language', 'version_group')


class AbilityChangeEffectTextSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = AbilityChangeEffectText
        fields = ('effect', 'language',)


class AbilityChangeSerializer(serializers.ModelSerializer):

    version_group = VersionGroupSummarySerializer()
    effect_entries = AbilityChangeEffectTextSerializer(
        many=True, read_only=True, source="abilitychangeeffecttext")

    class Meta:
        model = AbilityChange
        fields = ('version_group', 'effect_entries')


class AbilityNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = AbilityName
        fields = ('name', 'language')


class AbilityDetailSerializer(serializers.ModelSerializer):

    effect_entries = AbilityEffectTextSerializer(
        many=True, read_only=True, source="abilityeffecttext")
    flavor_text_entries = AbilityFlavorTextSerializer(
        many=True, read_only=True, source="abilityflavortext")
    names = AbilityNameSerializer(many=True, read_only=True, source="abilityname")
    generation = GenerationSummarySerializer()
    effect_changes = AbilityChangeSerializer(many=True, read_only=True, source="abilitychange")
    pokemon = serializers.SerializerMethodField('get_ability_pokemon')

    class Meta:
        model = Ability
        fields = (
            'id',
            'name',
            'is_main_series',
            'generation',
            'names',
            'effect_entries',
            'effect_changes',
            'flavor_text_entries',
            'pokemon',
        )

    def get_ability_pokemon(self, obj):

        pokemon_ability_objects = PokemonAbility.objects.filter(ability=obj)
        data = PokemonAbilitySerializer(
            pokemon_ability_objects, many=True, context=self.context).data
        pokemon = []

        for poke in data:
            del poke['ability']
            pokemon.append(poke)

        return pokemon


######################
#  STAT SERIALIZERS  #
######################

class StatNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = StatName
        fields = ('name', 'language')


class StatDetailSerializer(serializers.ModelSerializer):

    names = StatNameSerializer(many=True, read_only=True, source="statname")
    move_damage_class = MoveDamageClassSummarySerializer()
    characteristics = CharacteristicSummarySerializer(
        many=True, read_only=True, source="characteristic")
    affecting_moves = serializers.SerializerMethodField('get_moves_that_affect')
    affecting_natures = serializers.SerializerMethodField('get_natures_that_affect')

    class Meta:
        model = Stat
        fields = (
            'id', 'name', 'game_index', 'is_battle_only', 'affecting_moves',
            'affecting_natures', 'characteristics', 'move_damage_class', 'names'
        )

    def get_moves_that_affect(self, obj):

        stat_change_objects = MoveMetaStatChange.objects.filter(stat=obj)
        stat_changes = MoveMetaStatChangeSerializer(
            stat_change_objects, many=True, context=self.context).data
        changes = OrderedDict([('increase', []), ('decrease', [])])

        for change in stat_changes:
            del change['stat']
            if change['change'] > 0:
                changes['increase'].append(change)
            else:
                changes['decrease'].append(change)

        return changes

    def get_natures_that_affect(self, obj):

        increase_objects = Nature.objects.filter(increased_stat=obj)
        increases = NatureSummarySerializer(increase_objects, many=True, context=self.context).data
        decrease_objects = Nature.objects.filter(decreased_stat=obj)
        decreases = NatureSummarySerializer(decrease_objects, many=True, context=self.context).data

        return OrderedDict([('increase', increases), ('decrease', decreases)])


#############################
#  ITEM POCKET SERIALIZERS  #
#############################

class ItemPocketNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = ItemName
        fields = ('name', 'language')


class ItemPocketDetailSerializer(serializers.ModelSerializer):

    names = ItemPocketNameSerializer(many=True, read_only=True, source="itempocketname")
    categories = ItemCategorySummarySerializer(many=True, read_only=True, source="itemcategory")

    class Meta:
        model = ItemPocket
        fields = ('id', 'name', 'categories', 'categories', 'names')


###############################
#  ITEM CATEGORY SERIALIZERS  #
###############################
class ItemCategoryNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = ItemName
        fields = ('name', 'language')


class ItemCategoryDetailSerializer(serializers.ModelSerializer):

    names = ItemCategoryNameSerializer(many=True, read_only=True, source="itemcategoryname")
    pocket = ItemPocketSummarySerializer(source="item_pocket")
    items = ItemSummarySerializer(many=True, read_only=True, source="item")

    class Meta:
        model = ItemCategory
        fields = ('id', 'name', 'items', 'names', 'pocket')


################################
#  ITEM ATTRIBUTE SERIALIZERS  #
################################

class ItemAttributeNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = ItemAttributeName
        fields = ('name', 'language')


class ItemAttributeDescriptionSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = ItemAttributeDescription
        fields = ('description', 'language')


class ItemAttributeDetailSerializer(serializers.ModelSerializer):

    names = ItemAttributeNameSerializer(many=True, read_only=True, source="itemattributename")
    descriptions = ItemAttributeDescriptionSerializer(
        many=True, read_only=True, source="itemattributedescription")
    items = serializers.SerializerMethodField('get_attribute_items')

    class Meta:
        model = ItemAttribute
        fields = ('id', 'name', 'descriptions', 'items', 'names')

    def get_attribute_items(self, obj):

        item_map_objects = ItemAttributeMap.objects.filter(item_attribute=obj)
        items = []

        for map in item_map_objects:
            item_obj = Item.objects.get(pk=map.item.id)
            item = ItemSummarySerializer(item_obj, context=self.context).data
            items.append(item)

        return items


###################################
#  ITEM FLING EFFECT SERIALIZERS  #
###################################
class ItemFlingEffectEffectTextSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = ItemFlingEffectEffectText
        fields = ('effect', 'language')


class ItemFlingEffectDetailSerializer(serializers.ModelSerializer):

    effect_entries = ItemFlingEffectEffectTextSerializer(
        many=True, read_only=True, source="itemflingeffecteffecttext")
    items = ItemSummarySerializer(many=True, read_only=True, source="item")

    class Meta:
        model = ItemFlingEffect
        fields = ('id', 'name', 'effect_entries', 'items')


#######################
#  ITEM  SERIALIZERS  #
#######################
class ItemFlavorTextSerializer(serializers.ModelSerializer):

    text = serializers.CharField(source="flavor_text")
    language = LanguageSummarySerializer()
    version_group = VersionGroupSummarySerializer()

    class Meta:
        model = ItemFlavorText
        fields = ('text', 'version_group', 'language')


class ItemEffectTextSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = ItemEffectText
        fields = ('effect', 'short_effect', 'language')


class ItemGameIndexSerializer(serializers.ModelSerializer):

    generation = GenerationSummarySerializer()

    class Meta:
        model = ItemGameIndex
        fields = ('game_index', 'generation')


class ItemNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = ItemName
        fields = ('name', 'language')


class ItemSpritesSerializer(serializers.ModelSerializer):

    class Meta:
        model = ItemSprites
        fields = ('sprites',)


class ItemDetailSerializer(serializers.ModelSerializer):

    names = ItemNameSerializer(many=True, read_only=True, source="itemname")
    game_indices = ItemGameIndexSerializer(many=True, read_only=True, source="itemgameindex")
    effect_entries = ItemEffectTextSerializer(many=True, read_only=True, source="itemeffecttext")
    flavor_text_entries = ItemFlavorTextSerializer(
        many=True, read_only=True, source="itemflavortext")
    category = ItemCategorySummarySerializer(source="item_category")
    attributes = serializers.SerializerMethodField("get_item_attributes")
    fling_effect = ItemFlingEffectSummarySerializer(source="item_fling_effect")
    held_by_pokemon = serializers.SerializerMethodField(source='get_held_by_pokemon')
    baby_trigger_for = serializers.SerializerMethodField(source='get_baby_trigger_for')
    sprites = serializers.SerializerMethodField('get_item_sprites')
    machines = serializers.SerializerMethodField('get_item_machines')

    class Meta:
        model = Item
        fields = (
            'id',
            'name',
            'cost',
            'fling_power',
            'fling_effect',
            'attributes',
            'category',
            'effect_entries',
            'flavor_text_entries',
            'game_indices',
            'names',
            'held_by_pokemon',
            'sprites',
            'baby_trigger_for',
            'machines',
        )

    def get_item_machines(self, obj):

        machine_objects = Machine.objects.filter(item=obj)

        machines = []

        for machine_object in machine_objects:

            machine_data = MachineSummarySerializer(
                machine_object, context=self.context).data

            version_group_data = VersionGroupSummarySerializer(
                machine_object.version_group, context=self.context).data

            machines.append({
                'machine': machine_data,
                'version_group': version_group_data
            })

        return machines

    def get_item_sprites(self, obj):

        sprites_object = ItemSprites.objects.get(item_id=obj)
        sprites_data = ItemSpritesSerializer(sprites_object, context=self.context).data
        sprites_data = json.loads(sprites_data['sprites'])
        host = 'raw.githubusercontent.com/PokeAPI/sprites/master/'

        for key in sprites_data:
            if sprites_data[key]:
                sprites_data[key] = 'https://' + host + sprites_data[key].replace('/media/', '')

        return sprites_data

    def get_item_attributes(self, obj):

        item_attribute_maps = ItemAttributeMap.objects.filter(item=obj)
        serializer = ItemAttributeMapSerializer(
            item_attribute_maps, many=True, context=self.context)
        data = serializer.data

        attributes = []

        for map in data:
            attribute = OrderedDict()
            attribute['name'] = map['attribute']['name']
            attribute['url'] = map['attribute']['url']
            attributes.append(attribute)

        return attributes

    def get_held_by_pokemon(self, obj):

        pokemon_items = PokemonItem.objects.filter(item=obj).order_by('pokemon_id')
        pokemon_ids = pokemon_items.values('pokemon_id').distinct()
        pokemon_list = []

        for id in pokemon_ids:

            item_pokemon_details = OrderedDict()

            # Get each Unique Item by ID
            pokemon_object = Pokemon.objects.get(pk=id['pokemon_id'])
            pokemon_data = PokemonSummarySerializer(pokemon_object, context=self.context).data
            item_pokemon_details['pokemon'] = pokemon_data

            # Get Versions associated with each unique item
            pokemon_item_objects = pokemon_items.filter(pokemon_id=id['pokemon_id'])
            serializer = PokemonItemSerializer(
                pokemon_item_objects, many=True, context=self.context)
            item_pokemon_details['version_details'] = []

            for pokemon in serializer.data:
                version_detail = OrderedDict()
                version_detail['rarity'] = pokemon['rarity']
                version_detail['version'] = pokemon['version']
                item_pokemon_details['version_details'].append(version_detail)

            pokemon_list.append(item_pokemon_details)

        return pokemon_list

    def get_baby_trigger_for(self, obj):

        try:
            chain_object = EvolutionChain.objects.get(baby_trigger_item=obj)
            data = EvolutionChainSummarySerializer(chain_object, context=self.context).data
        except EvolutionChain.DoesNotExist:
            data = None

        return data


########################
#  NATURE SERIALIZERS  #
########################

class NatureBattleStylePreferenceSerializer(serializers.ModelSerializer):

    move_battle_style = MoveBattleStyleSummarySerializer()

    class Meta:
        model = NatureBattleStylePreference
        fields = ('low_hp_preference', 'high_hp_preference', 'move_battle_style',)


class NatureNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = NatureName
        fields = ('name', 'language')


class NatureDetailSerializer(serializers.ModelSerializer):

    names = NatureNameSerializer(many=True, read_only=True, source="naturename")
    decreased_stat = StatSummarySerializer()
    increased_stat = StatSummarySerializer()
    likes_flavor = BerryFlavorSummarySerializer()
    hates_flavor = BerryFlavorSummarySerializer()
    berries = BerrySummarySerializer(many=True, read_only=True, source="berry")
    pokeathlon_stat_changes = serializers.SerializerMethodField('get_pokeathlon_stats')
    move_battle_style_preferences = NatureBattleStylePreferenceSerializer(
        many=True, read_only=True, source="naturebattlestylepreference")

    class Meta:
        model = Nature
        fields = (
            'id', 'name', 'decreased_stat', 'increased_stat', 'likes_flavor',
            'hates_flavor', 'berries', 'pokeathlon_stat_changes',
            'move_battle_style_preferences', 'names'
        )

    def get_pokeathlon_stats(self, obj):

        pokeathlon_stat_objects = NaturePokeathlonStat.objects.filter(nature=obj)
        pokeathlon_stats = NaturePokeathlonStatSerializer(
            pokeathlon_stat_objects, many=True, context=self.context).data

        for stat in pokeathlon_stats:
            del stat['nature']

        return pokeathlon_stats


#######################
#  BERRY SERIALIZERS  #
#######################

class BerryFirmnessNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = BerryFirmnessName
        fields = ('name', 'language')


class BerryFirmnessDetailSerializer(serializers.ModelSerializer):

    names = BerryFirmnessNameSerializer(many=True, read_only=True, source="berryfirmnessname")
    berries = BerrySummarySerializer(many=True, read_only=True, source="berry")

    class Meta:
        model = BerryFirmness
        fields = ('id', 'name', 'berries', 'names')


class BerryFlavorNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = BerryFlavorName
        fields = ('name', 'language')


class BerryFlavorDetailSerializer(serializers.ModelSerializer):

    names = BerryFlavorNameSerializer(many=True, read_only=True, source="berryflavorname")
    contest_type = ContestTypeSummarySerializer()
    berries = serializers.SerializerMethodField('get_berries_with_flavor')

    class Meta:
        model = BerryFlavor
        fields = ('id', 'name', 'berries', 'contest_type', 'names')

    def get_berries_with_flavor(self, obj):

        flavor_map_objects = BerryFlavorMap.objects.filter(
            berry_flavor=obj, potency__gt=0).order_by('potency')
        flavor_maps = BerryFlavorMapSerializer(
            flavor_map_objects, many=True, context=self.context).data

        for map in flavor_maps:
            del map['flavor']

        return flavor_maps


class BerryDetailSerializer(serializers.ModelSerializer):

    item = ItemSummarySerializer()
    natural_gift_type = TypeSummarySerializer()
    firmness = BerryFirmnessSummarySerializer(source="berry_firmness")
    flavors = serializers.SerializerMethodField('get_berry_flavors')

    class Meta:
        model = Berry
        fields = (
            'id',
            'name',
            'growth_time',
            'max_harvest',
            'natural_gift_power',
            'size',
            'smoothness',
            'soil_dryness',
            'firmness',
            'flavors',
            'item',
            'natural_gift_type',
        )

    def get_berry_flavors(self, obj):

        flavor_map_objects = BerryFlavorMap.objects.filter(berry=obj)
        flavor_maps = BerryFlavorMapSerializer(
            flavor_map_objects, many=True, context=self.context).data
        flavors = []

        for map in flavor_maps:
            del map['berry']
            flavors.append(map)

        return flavors


###########################
#  EGG GROUP SERIALIZERS  #
###########################
class PokemonEggGroupSerializer(serializers.ModelSerializer):

    species = PokemonSpeciesSummarySerializer(source="pokemon_species")
    egg_group = EggGroupSummarySerializer()

    class Meta:
        model = PokemonEggGroup
        fields = ('species', 'egg_group')


class EggGroupNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = EggGroupName
        fields = ('name', 'language')


class EggGroupDetailSerializer(serializers.ModelSerializer):

    names = EggGroupNameSerializer(many=True, read_only=True, source="egggroupname")
    pokemon_species = serializers.SerializerMethodField('get_species')

    class Meta:
        model = EggGroup
        fields = ('id', 'name', 'names', 'pokemon_species')

    def get_species(self, obj):

        results = PokemonEggGroup.objects.filter(egg_group=obj)
        data = PokemonEggGroupSerializer(results, many=True, context=self.context).data
        associated_species = []
        for species in data:
            associated_species.append(species['species'])

        return associated_species


######################
#  TYPE SERIALIZERS  #
######################
# https://stackoverflow.com/a/45987450/3482533
class TypeEfficacySerializer(serializers.ModelSerializer):

    class Meta:
        model = TypeEfficacy
        fields = '__all__'


class TypeGameIndexSerializer(serializers.ModelSerializer):

    generation = GenerationSummarySerializer()

    class Meta:
        model = TypeGameIndex
        fields = ('game_index', 'generation')


class TypeNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = TypeName
        fields = ('name', 'language')


class TypeDetailSerializer(serializers.ModelSerializer):
    """
    Serializer for the Type resource
    """
    generation = GenerationSummarySerializer()
    names = AbilityNameSerializer(many=True, read_only=True, source="typename")
    game_indices = TypeGameIndexSerializer(many=True, read_only=True, source="typegameindex")
    move_damage_class = MoveDamageClassSummarySerializer()
    damage_relations = serializers.SerializerMethodField('get_type_relationships')
    pokemon = serializers.SerializerMethodField('get_type_pokemon')
    moves = MoveSummarySerializer(many=True, read_only=True, source="move")

    class Meta:
        model = Type
        fields = (
            'id', 'name', 'damage_relations', 'game_indices', 'generation',
            'move_damage_class', 'names', 'pokemon', 'moves'
        )

    def get_type_relationships(self, obj):

        relations = OrderedDict()
        relations['no_damage_to'] = []
        relations['half_damage_to'] = []
        relations['double_damage_to'] = []

        relations['no_damage_from'] = []
        relations['half_damage_from'] = []
        relations['double_damage_from'] = []

        # Damage To
        results = TypeEfficacy.objects.filter(damage_type=obj)
        serializer = TypeEfficacySerializer(results, many=True, context=self.context)

        for relation in serializer.data:
            type = Type.objects.get(pk=relation['target_type'])
            if relation['damage_factor'] == 200:
                relations['double_damage_to'].append(
                    TypeSummarySerializer(type, context=self.context).data)
            elif relation['damage_factor'] == 50:
                relations['half_damage_to'].append(
                    TypeSummarySerializer(type, context=self.context).data)
            elif relation['damage_factor'] == 0:
                relations['no_damage_to'].append(
                    TypeSummarySerializer(type, context=self.context).data)

        # Damage From
        results = TypeEfficacy.objects.filter(target_type=obj)
        serializer = TypeEfficacySerializer(results, many=True, context=self.context)

        for relation in serializer.data:
            type = Type.objects.get(pk=relation['damage_type'])
            if relation['damage_factor'] == 200:
                relations['double_damage_from'].append(
                    TypeSummarySerializer(type, context=self.context).data)
            elif relation['damage_factor'] == 50:
                relations['half_damage_from'].append(
                    TypeSummarySerializer(type, context=self.context).data)
            elif relation['damage_factor'] == 0:
                relations['no_damage_from'].append(
                    TypeSummarySerializer(type, context=self.context).data)

        return relations

    def get_type_pokemon(self, obj):

        poke_type_objects = PokemonType.objects.filter(type=obj)
        poke_types = PokemonTypeSerializer(poke_type_objects, many=True, context=self.context).data

        for poke_type in poke_types:
            del poke_type['type']

        return poke_types


#########################
#  MACHINE SERIALIZERS  #
#########################
class MachineDetailSerializer(serializers.ModelSerializer):

    item = ItemSummarySerializer()
    version_group = VersionGroupSummarySerializer()
    move = MoveSummarySerializer()

    class Meta:
        model = Machine
        fields = ('id', 'item', 'version_group', 'move')


###################################
#  MOVE BATTLE STYLE SERIALIZERS  #
###################################
class MoveBattleStyleNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = MoveBattleStyleName
        fields = ('name', 'language')


class MoveBattleStyleDetailSerializer(serializers.ModelSerializer):

    names = MoveBattleStyleNameSerializer(many=True, read_only=True, source="movebattlestylename")

    class Meta:
        model = MoveBattleStyle
        fields = ('id', 'name', 'names')


###################################
#  MOVE DAMAGE CLASS SERIALIZERS  #
###################################
class MoveDamageClassNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = MoveDamageClassName
        fields = ('name', 'language')


class MoveDamageClassDescriptionSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = MoveDamageClassDescription
        fields = ('description', 'language')


class MoveDamageClassDetailSerializer(serializers.ModelSerializer):

    names = MoveDamageClassNameSerializer(many=True, read_only=True, source="movedamageclassname")
    descriptions = MoveDamageClassDescriptionSerializer(
        many=True, read_only=True, source="movedamageclassdescription")
    moves = MoveSummarySerializer(many=True, read_only=True, source="move")

    class Meta:
        model = MoveDamageClass
        fields = ('id', 'name', 'descriptions', 'moves', 'names',)


###########################
#  MOVE META SERIALIZERS  #
###########################
class MoveMetaAilmentNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = MoveMetaAilmentName
        fields = ('name', 'language')


class MoveMetaAilmentDetailSerializer(serializers.ModelSerializer):

    names = MoveMetaAilmentNameSerializer(many=True, read_only=True, source="movemetaailmentname")
    moves = serializers.SerializerMethodField('get_ailment_moves')

    class Meta:
        model = MoveMetaAilment
        fields = ('id', 'name', 'moves', 'names')

    def get_ailment_moves(self, obj):

        move_meta_objects = MoveMeta.objects.filter(move_meta_ailment=obj)
        moves = []

        for meta in move_meta_objects:
            move_obj = Move.objects.get(pk=meta.move.id)
            data = MoveSummarySerializer(move_obj, context=self.context).data
            moves.append(data)

        return moves


class MoveMetaCategoryDescriptionSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = MoveMetaCategoryDescription
        fields = ('description', 'language')


class MoveMetaCategoryDetailSerializer(serializers.ModelSerializer):

    descriptions = MoveMetaCategoryDescriptionSerializer(
        many=True, read_only=True, source="movemetacategorydescription")
    moves = serializers.SerializerMethodField('get_category_moves')

    class Meta:
        model = MoveMetaCategory
        fields = ('id', 'name', 'descriptions', 'moves')

    def get_category_moves(self, obj):

        move_meta_objects = MoveMeta.objects.filter(move_meta_category=obj)
        moves = []

        for meta in move_meta_objects:
            move_obj = Move.objects.get(pk=meta.move.id)
            data = MoveSummarySerializer(move_obj, context=self.context).data
            moves.append(data)

        return moves


class MoveMetaSerializer(serializers.ModelSerializer):

    ailment = MoveMetaAilmentSummarySerializer(source="move_meta_ailment")
    category = MoveMetaCategorySummarySerializer(source="move_meta_category")

    class Meta:
        model = MoveMeta
        fields = (
            'ailment',
            'category',
            'min_hits',
            'max_hits',
            'min_turns',
            'max_turns',
            'drain',
            'healing',
            'crit_rate',
            'ailment_chance',
            'flinch_chance',
            'stat_chance'
        )


#############################
#  MOVE TARGET SERIALIZERS  #
#############################
class MoveTargetNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = MoveTargetName
        fields = ('name', 'language')


class MoveTargetDescriptionSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = MoveTargetDescription
        fields = ('description', 'language')


class MoveTargetDetailSerializer(serializers.ModelSerializer):

    names = MoveTargetNameSerializer(many=True, read_only=True, source="movetargetname")
    descriptions = MoveTargetDescriptionSerializer(
        many=True, read_only=True, source="movetargetdescription")
    moves = MoveSummarySerializer(many=True, read_only=True, source="move")

    class Meta:
        model = MoveTarget
        fields = ('id', 'name', 'descriptions', 'moves', 'names')


######################
#  MOVE SERIALIZERS  #
######################
class MoveNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = AbilityName
        fields = ('name', 'language')


class MoveChangeSerializer(serializers.ModelSerializer):

    version_group = VersionGroupSummarySerializer()
    type = TypeSummarySerializer()
    effect_entries = serializers.SerializerMethodField('get_effects')
    effect_chance = serializers.IntegerField(source='move_effect_chance')

    class Meta:
        model = MoveChange
        fields = (
            'accuracy', 'power', 'pp', 'effect_chance', 'effect_entries', 'type', 'version_group'
        )

    def get_effects(self, obj):

        effect_texts = MoveEffectEffectText.objects.filter(move_effect=obj.move_effect)
        data = MoveEffectEffectTextSerializer(effect_texts, many=True, context=self.context).data

        return data


class MoveEffectEffectTextSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = MoveEffectEffectText
        fields = ('effect', 'short_effect', 'language')


class MoveEffectChangeEffectTextSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = MoveEffectChangeEffectText
        fields = ('effect', 'language')


class MoveEffectChangeSerializer(serializers.ModelSerializer):

    version_group = VersionGroupSummarySerializer()
    effect_entries = MoveEffectChangeEffectTextSerializer(
        many=True, read_only=True, source="moveeffectchangeeffecttext")

    class Meta:
        model = MoveEffectChange
        fields = ('version_group', 'effect_entries')


class MoveFlavorTextSerializer(serializers.ModelSerializer):

    flavor_text = serializers.CharField()
    language = LanguageSummarySerializer()
    version_group = VersionGroupSummarySerializer()

    class Meta:
        model = MoveFlavorText
        fields = ('flavor_text', 'language', 'version_group')


class MoveDetailSerializer(serializers.ModelSerializer):

    generation = GenerationSummarySerializer()
    type = TypeSummarySerializer()
    target = MoveTargetSummarySerializer(source="move_target")
    contest_type = ContestTypeSummarySerializer()
    contest_effect = ContestEffectSummarySerializer()
    damage_class = MoveDamageClassSummarySerializer(source="move_damage_class")
    meta = MoveMetaSerializer(read_only=True, source="movemeta")
    names = MoveNameSerializer(many=True, read_only=True, source="movename")
    effect_entries = serializers.SerializerMethodField('get_effect_text')
    effect_chance = serializers.IntegerField(source="move_effect_chance")
    contest_combos = serializers.SerializerMethodField('get_combos')
    stat_changes = serializers.SerializerMethodField('get_move_stat_change')
    super_contest_effect = SuperContestEffectSummarySerializer()
    past_values = MoveChangeSerializer(many=True, read_only=True, source="movechange")
    effect_changes = serializers.SerializerMethodField('get_effect_change_text')
    machines = serializers.SerializerMethodField('get_move_machines')
    flavor_text_entries = MoveFlavorTextSerializer(
        many=True, read_only=True, source="moveflavortext")

    class Meta:
        model = Move
        fields = (
            'id',
            'name',
            'accuracy',
            'effect_chance',
            'pp',
            'priority',
            'power',
            'contest_combos',
            'contest_type',
            'contest_effect',
            'damage_class',
            'effect_entries',
            'effect_changes',
            'generation',
            'meta',
            'names',
            'past_values',
            'stat_changes',
            'super_contest_effect',
            'target',
            'type',
            'machines',
            'flavor_text_entries',
        )

    def get_move_machines(self, obj):

        machine_objects = Machine.objects.filter(move=obj)

        machines = []

        for machine_object in machine_objects:
            machine_data = MachineSummarySerializer(
                machine_object, context=self.context).data

            version_group_data = VersionGroupSummarySerializer(
                machine_object.version_group, context=self.context).data

            machines.append({
                'machine': machine_data,
                'version_group': version_group_data
            })

        return machines

    def get_combos(self, obj):

        normal_before_objects = ContestCombo.objects.filter(first_move=obj)
        normal_before_data = ContestComboSerializer(
            normal_before_objects, many=True, context=self.context).data
        normal_after_objects = ContestCombo.objects.filter(second_move=obj)
        normal_after_data = ContestComboSerializer(
            normal_after_objects, many=True, context=self.context).data

        super_before_objects = SuperContestCombo.objects.filter(first_move=obj)
        super_before_data = SuperContestComboSerializer(
            super_before_objects, many=True, context=self.context).data
        super_after_objects = SuperContestCombo.objects.filter(second_move=obj)
        super_after_data = SuperContestComboSerializer(
            super_after_objects, many=True, context=self.context).data

        details = None

        if normal_before_data or normal_after_data or super_before_data or super_after_data:

            details = OrderedDict()
            details['normal'] = OrderedDict()
            details['normal']['use_before'] = None
            details['normal']['use_after'] = None
            details['super'] = OrderedDict()
            details['super']['use_before'] = None
            details['super']['use_after'] = None

            for combo in normal_before_data:
                if details['normal']['use_before'] is None:
                    details['normal']['use_before'] = []
                details['normal']['use_before'].append(combo['second_move'])

            for combo in normal_after_data:
                if details['normal']['use_after'] is None:
                    details['normal']['use_after'] = []
                details['normal']['use_after'].append(combo['first_move'])

            for combo in super_before_data:
                if details['super']['use_before'] is None:
                    details['super']['use_before'] = []
                details['super']['use_before'].append(combo['second_move'])

            for combo in super_after_data:
                if details['super']['use_after'] is None:
                    details['super']['use_after'] = []
                details['super']['use_after'].append(combo['first_move'])

        return details

    def get_effect_text(self, obj):

        effect_texts = MoveEffectEffectText.objects.filter(move_effect=obj.move_effect)
        data = MoveEffectEffectTextSerializer(effect_texts, many=True, context=self.context).data

        return data

    def get_effect_change_text(self, obj):

        effect_changes = MoveEffectChange.objects.filter(move_effect=obj.move_effect)
        data = MoveEffectChangeSerializer(effect_changes, many=True, context=self.context).data

        return data

    def get_move_stat_change(self, obj):

        stat_change_objects = MoveMetaStatChange.objects.filter(move=obj)
        stat_changes = MoveMetaStatChangeSerializer(
            stat_change_objects, many=True, context=self.context).data

        for change in stat_changes:
            del change['move']

        return stat_changes


##########################
#  PAL PARK SERIALIZERS  #
##########################

class PalParkSerializer(serializers.ModelSerializer):

    area = PalParkAreaSummarySerializer(read_only=True, source="pal_park_area")
    pokemon_species = PokemonSpeciesSummarySerializer()

    class Meta:
        model = PalPark
        fields = ('base_score', 'rate', 'area', 'pokemon_species')


class PalParkAreaNameSerializer(serializers.HyperlinkedModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = PalParkAreaName
        fields = ('name', 'language')


class PalParkAreaDetailSerializer(serializers.ModelSerializer):

    names = PalParkAreaNameSerializer(many=True, read_only=True, source="palparkareaname")
    pokemon_encounters = serializers.SerializerMethodField('get_encounters')

    class Meta:
        model = PalParkArea
        fields = ('id', 'name', 'names', 'pokemon_encounters')

    def get_encounters(self, obj):

        pal_park_objects = PalPark.objects.filter(pal_park_area=obj)
        parks = PalParkSerializer(pal_park_objects, many=True, context=self.context).data
        encounters = []

        for encounter in parks:
            del encounter['area']
            encounters.append(encounter)

        return encounters


###############################
#  POKEMON COLOR SERIALIZERS  #
###############################

class PokemonColorNameSerializer(serializers.HyperlinkedModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = PokemonColorName
        fields = ('name', 'language')


class PokemonColorDetailSerializer(serializers.ModelSerializer):

    names = PokemonColorNameSerializer(many=True, read_only=True, source="pokemoncolorname")
    pokemon_species = PokemonSpeciesSummarySerializer(
        many=True, read_only=True, source="pokemonspecies")

    class Meta:
        model = PokemonColor
        fields = ('id', 'name', 'names', 'pokemon_species')


##############################
#  POKEMON FORM SERIALIZERS  #
##############################
class PokemonFormSpritesSerializer(serializers.ModelSerializer):

    class Meta:
        model = PokemonFormSprites
        fields = ('sprites',)


class PokemonFormNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = PokemonFormName
        fields = ('name', 'pokemon_name', 'language')


class PokemonFormDetailSerializer(serializers.ModelSerializer):

    pokemon = PokemonSummarySerializer()
    version_group = VersionGroupSummarySerializer()
    sprites = serializers.SerializerMethodField('get_pokemon_form_sprites')
    form_names = serializers.SerializerMethodField('get_pokemon_form_names')
    names = serializers.SerializerMethodField('get_pokemon_form_pokemon_names')

    class Meta:
        model = PokemonForm
        fields = (
            'id', 'name', 'order', 'form_order', 'is_default', 'is_battle_only',
            'is_mega', 'form_name', 'pokemon', 'sprites', 'version_group',
            'form_names', 'names'
        )

    def get_pokemon_form_names(self, obj):

        form_results = PokemonFormName.objects.filter(pokemon_form=obj, name__regex=".+")
        form_serializer = PokemonFormNameSerializer(form_results, many=True, context=self.context)

        data = form_serializer.data

        for name in data:
            del name['pokemon_name']

        return data

    def get_pokemon_form_pokemon_names(self, obj):

        form_results = PokemonFormName.objects.filter(pokemon_form=obj, pokemon_name__regex=".+")
        form_serializer = PokemonFormNameSerializer(form_results, many=True, context=self.context)

        data = form_serializer.data

        for name in data:
            name['name'] = name['pokemon_name']
            del name['pokemon_name']

        return data

    def get_pokemon_form_sprites(self, obj):

        sprites_object = PokemonFormSprites.objects.get(pokemon_form_id=obj)
        sprites_data = PokemonFormSpritesSerializer(sprites_object, context=self.context).data
        sprites_data = json.loads(sprites_data['sprites'])

        host = 'raw.githubusercontent.com/PokeAPI/sprites/master/'

        for key in sprites_data:
            if sprites_data[key]:
                sprites_data[key] = 'https://' + host + sprites_data[key].replace('/media/', '')

        return sprites_data


#################################
#  POKEMON HABITAT SERIALIZERS  #
#################################

class PokemonHabitatNameSerializer(serializers.HyperlinkedModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = PokemonHabitatName
        fields = ('name', 'language')


class PokemonHabitatDetailSerializer(serializers.ModelSerializer):

    names = PokemonHabitatNameSerializer(many=True, read_only=True, source="pokemonhabitatname")
    pokemon_species = PokemonSpeciesSummarySerializer(
        many=True, read_only=True, source='pokemonspecies')

    class Meta:
        model = PokemonHabitat
        fields = ('id', 'name', 'names', 'pokemon_species')


##############################
#  POKEMON MOVE SERIALIZERS  #
##############################

class MoveLearnMethodNameSerializer(serializers.HyperlinkedModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = MoveLearnMethodName
        fields = ('name', 'language')


class MoveLearnMethodDescriptionSerializer(serializers.HyperlinkedModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = MoveLearnMethodDescription
        fields = ('description', 'language')


class MoveLearnMethodDetailSerializer(serializers.ModelSerializer):

    names = MoveLearnMethodNameSerializer(many=True, read_only=True, source="movelearnmethodname")
    descriptions = MoveLearnMethodDescriptionSerializer(
        many=True, read_only=True, source="movelearnmethoddescription")
    version_groups = serializers.SerializerMethodField('get_method_version_groups')

    class Meta:
        model = MoveLearnMethod
        fields = ('id', 'name', 'names', 'descriptions', 'version_groups')

    def get_method_version_groups(self, obj):

        version_group_objects = VersionGroupMoveLearnMethod.objects.filter(move_learn_method=obj)
        version_group_data = VersionGroupMoveLearnMethodSerializer(
            version_group_objects, many=True, context=self.context).data
        groups = []

        for vg in version_group_data:
            groups.append(vg['version_group'])

        return groups


# https://stackoverflow.com/a/45987450/3482533
class PokemonMoveSerializer(serializers.ModelSerializer):

    class Meta:
        model = PokemonMove
        fields = '__all__'


###############################
#  POKEMON SHAPE SERIALIZERS  #
###############################
class PokemonShapeNameSerializer(serializers.HyperlinkedModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = PokemonShapeName
        fields = ('name', 'awesome_name', 'language')


class PokemonShapeDetailSerializer(serializers.ModelSerializer):

    names = serializers.SerializerMethodField('get_shape_names')
    awesome_names = serializers.SerializerMethodField('get_shape_awesome_names')
    pokemon_species = PokemonSpeciesSummarySerializer(
        many=True, read_only=True, source='pokemonspecies')

    class Meta:
        model = PokemonShape
        fields = ('id', 'name', 'awesome_names', 'names', 'pokemon_species')

    def get_shape_names(self, obj):

        results = PokemonShapeName.objects.filter(pokemon_shape_id=obj)
        serializer = PokemonShapeNameSerializer(results, many=True, context=self.context)
        data = serializer.data

        for entry in data:
            del entry['awesome_name']

        return data

    def get_shape_awesome_names(self, obj):

        results = PokemonShapeName.objects.filter(pokemon_shape_id=obj)
        serializer = PokemonShapeNameSerializer(results, many=True, context=self.context)
        data = serializer.data

        for entry in data:
            del entry['name']

        return data


##############################
#  POKEMON ITEM SERIALIZERS  #
##############################
class PokemonItemSerializer(serializers.ModelSerializer):

    version = VersionSummarySerializer()
    item = ItemSummarySerializer()

    class Meta:
        model = PokemonItem
        fields = ('rarity', 'item', 'version')


##############################
#  POKEMON STAT SERIALIZERS  #
##############################
class PokemonStatSerializer(serializers.ModelSerializer):

    stat = StatSummarySerializer()

    class Meta:
        model = PokemonStat
        fields = ('base_stat', 'effort', 'stat')


#########################
#  POKEMON SERIALIZERS  #
#########################

class PokemonGameIndexSerializer(serializers.ModelSerializer):

    version = VersionSummarySerializer()

    class Meta:
        model = PokemonGameIndex
        fields = ('game_index', 'version')


class PokemonSpritesSerializer(serializers.ModelSerializer):

    class Meta:
        model = PokemonSprites
        fields = ('sprites',)


class PokemonDetailSerializer(serializers.ModelSerializer):

    abilities = serializers.SerializerMethodField('get_pokemon_abilities')
    game_indices = PokemonGameIndexSerializer(many=True, read_only=True, source="pokemongameindex")
    moves = serializers.SerializerMethodField('get_pokemon_moves')
    species = PokemonSpeciesSummarySerializer(source="pokemon_species")
    stats = PokemonStatSerializer(many=True, read_only=True, source="pokemonstat")
    types = serializers.SerializerMethodField('get_pokemon_types')
    past_types = serializers.SerializerMethodField('get_past_pokemon_types')
    forms = PokemonFormSummarySerializer(many=True, read_only=True, source="pokemonform")
    held_items = serializers.SerializerMethodField('get_pokemon_held_items')
    location_area_encounters = serializers.SerializerMethodField('get_encounters')
    sprites = serializers.SerializerMethodField('get_pokemon_sprites')

    class Meta:
        model = Pokemon
        fields = (
            'id',
            'name',
            'base_experience',
            'height',
            'is_default',
            'order',
            'weight',
            'abilities',
            'forms',
            'game_indices',
            'held_items',
            'location_area_encounters',
            'moves',
            'species',
            'sprites',
            'stats',
            'types',
            'past_types',
        )

    def get_pokemon_sprites(self, obj):

        sprites_object = PokemonSprites.objects.get(pokemon_id=obj)
        sprites_data = PokemonSpritesSerializer(sprites_object, context=self.context).data
        sprites_data = json.loads(sprites_data['sprites'])
        host = 'raw.githubusercontent.com/PokeAPI/sprites/master/'

        for key in sprites_data:
            if sprites_data[key]:
                sprites_data[key] = 'https://' + host + sprites_data[key].replace('/media/', '')

        return sprites_data

    def get_pokemon_moves(self, obj):

        version_objects = VersionGroup.objects.all()
        version_data = VersionGroupSummarySerializer(
            version_objects, many=True, context=self.context).data
        method_objects = MoveLearnMethod.objects.all()
        method_data = MoveLearnMethodSummarySerializer(
            method_objects, many=True, context=self.context).data

        # Get moves related to this pokemon and pull out unique Move IDs.
        # Note that it's important to order by the same column we're using to
        # determine if the entries are unique.  Otherwise distinct() will
        # return apparent duplicates.

        pokemon_moves = PokemonMove.objects.filter(pokemon_id=obj).order_by('move_id')
        move_ids = pokemon_moves.values('move_id').distinct()
        move_list = []

        for id in move_ids:

            pokemon_move_details = OrderedDict()

            # Get each Unique Move by ID
            move_object = Move.objects.get(pk=id['move_id'])
            move_data = MoveSummarySerializer(move_object, context=self.context).data
            pokemon_move_details['move'] = move_data

            # Get Versions and Move Methods associated with each unique move
            pokemon_move_objects = pokemon_moves.filter(move_id=id['move_id'])
            serializer = PokemonMoveSerializer(
                pokemon_move_objects, many=True, context=self.context)
            pokemon_move_details['version_group_details'] = []

            for move in serializer.data:

                version_detail = OrderedDict()

                version_detail['level_learned_at'] = move['level']
                version_detail['version_group'] = version_data[move['version_group'] - 1]
                version_detail['move_learn_method'] = method_data[move['move_learn_method'] - 1]

                pokemon_move_details['version_group_details'].append(version_detail)

            move_list.append(pokemon_move_details)

        return move_list

    def get_pokemon_held_items(self, obj):

        # Get items related to this pokemon and pull out unique Item IDs
        pokemon_items = PokemonItem.objects.filter(pokemon_id=obj).order_by('item_id')
        item_ids = pokemon_items.values('item_id').distinct()
        item_list = []

        for id in item_ids:

            pokemon_item_details = OrderedDict()

            # Get each Unique Item by ID
            item_object = Item.objects.get(pk=id['item_id'])
            item_data = ItemSummarySerializer(item_object, context=self.context).data
            pokemon_item_details['item'] = item_data

            # Get Versions associated with each unique item
            pokemon_item_objects = pokemon_items.filter(item_id=id['item_id'])
            serializer = PokemonItemSerializer(
                pokemon_item_objects, many=True, context=self.context)
            pokemon_item_details['version_details'] = []

            for item in serializer.data:

                version_detail = OrderedDict()

                version_detail['rarity'] = item['rarity']
                version_detail['version'] = item['version']

                pokemon_item_details['version_details'].append(version_detail)

            item_list.append(pokemon_item_details)

        return item_list

    def get_pokemon_abilities(self, obj):

        pokemon_ability_objects = PokemonAbility.objects.filter(pokemon=obj)
        data = PokemonAbilitySerializer(
            pokemon_ability_objects, many=True, context=self.context).data
        abilities = []

        for ability in data:
            del ability['pokemon']
            abilities.append(ability)

        return abilities

    def get_pokemon_types(self, obj):

        poke_type_objects = PokemonType.objects.filter(pokemon=obj)
        poke_types = PokemonTypeSerializer(poke_type_objects, many=True, context=self.context).data

        for poke_type in poke_types:
            del poke_type['pokemon']

        return poke_types

    def get_past_pokemon_types(self, obj):

        poke_past_type_objects = PokemonTypePast.objects.filter(pokemon=obj)
        poke_past_types = PokemonTypePastSerializer(poke_past_type_objects, many=True, context=self.context).data

        # post-process to the form we want
        current_generation = ""
        past_obj = {}
        final_data = []
        for poke_past_type in poke_past_types:
            del poke_past_type['pokemon']

            generation = poke_past_type['generation']['name']
            if generation != current_generation:
                current_generation = generation
                past_obj = {}

                # create past types object for this generation
                past_obj['generation'] = poke_past_type['generation']
                del poke_past_type['generation']

                # create types array
                past_obj['types'] = [poke_past_type]

                # add to past types array
                final_data.append(past_obj)

            else:
                # add to existing array for this generation
                del poke_past_type['generation']
                past_obj['types'].append(poke_past_type)

        return final_data

    def get_encounters(self, obj):

        return reverse('pokemon_encounters', kwargs={'pokemon_id': obj.pk})


#################################
#  POKEMON SPECIES SERIALIZERS  #
#################################
class EvolutionTriggerNameSerializer(serializers.HyperlinkedModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = EvolutionTriggerName
        fields = ('name', 'language')


class EvolutionTriggerDetailSerializer(serializers.HyperlinkedModelSerializer):

    names = EvolutionTriggerNameSerializer(many=True, read_only=True, source="evolutiontriggername")
    pokemon_species = serializers.SerializerMethodField('get_species')

    class Meta:
        model = EvolutionTrigger
        fields = ('id', 'name', 'names', 'pokemon_species')

    def get_species(self, obj):

        evo_objects = PokemonEvolution.objects.filter(evolution_trigger=obj)
        species_list = []
        species_names = set()

        for evo in evo_objects:
            species = PokemonSpeciesSummarySerializer(
                evo.evolved_species, context=self.context).data
            if species['name'] not in species_names:
                species_list.append(species)
                species_names.add(species['name'])

        return species_list


class PokemonSpeciesDescriptionSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = PokemonSpeciesDescription
        fields = ('description', 'language')


class PokemonSpeciesFlavorTextSerializer(serializers.ModelSerializer):

    flavor_text = serializers.CharField()
    language = LanguageSummarySerializer()
    version = VersionSummarySerializer()

    class Meta:
        model = PokemonSpeciesFlavorText
        fields = ('flavor_text', 'language', 'version')


class PokemonSpeciesNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = PokemonSpeciesName
        fields = ('name', 'genus', 'language')


class PokemonSpeciesEvolutionSerializer(serializers.ModelSerializer):
    """
    This is here purely to help build pokemon evolution chains
    """

    class Meta:
        model = PokemonSpecies
        fields = ('name', 'id', 'evolves_from_species', 'is_baby')


class PokemonSpeciesDetailSerializer(serializers.ModelSerializer):

    names = serializers.SerializerMethodField('get_pokemon_names')
    form_descriptions = PokemonSpeciesDescriptionSerializer(
        many=True, read_only=True, source="pokemonspeciesdescription")
    pokedex_numbers = PokemonDexEntrySerializer(
        many=True, read_only=True, source="pokemondexnumber")
    egg_groups = serializers.SerializerMethodField('get_pokemon_egg_groups')
    flavor_text_entries = PokemonSpeciesFlavorTextSerializer(
        many=True, read_only=True, source="pokemonspeciesflavortext")
    genera = serializers.SerializerMethodField('get_pokemon_genera')
    generation = GenerationSummarySerializer()
    growth_rate = GrowthRateSummarySerializer()
    color = PokemonColorSummarySerializer(source="pokemon_color")
    habitat = PokemonHabitatSummarySerializer(source="pokemon_habitat")
    shape = PokemonShapeSummarySerializer(source="pokemon_shape")
    evolves_from_species = PokemonSpeciesSummarySerializer()
    varieties = serializers.SerializerMethodField('get_pokemon_varieties')
    evolution_chain = EvolutionChainSummarySerializer()
    pal_park_encounters = serializers.SerializerMethodField('get_encounters')

    class Meta:
        model = PokemonSpecies
        fields = (
            'id',
            'name',
            'order',
            'gender_rate',
            'capture_rate',
            'base_happiness',
            'is_baby',
            'hatch_counter',
            'has_gender_differences',
            'forms_switchable',
            'growth_rate',
            'pokedex_numbers',
            'egg_groups',
            'color',
            'shape',
            'evolves_from_species',
            'evolution_chain',
            'habitat',
            'generation',
            'names',
            'pal_park_encounters',
            'form_descriptions',
            'flavor_text_entries',
            'genera',
            'varieties'
        )

    def get_pokemon_names(self, obj):

        species_results = PokemonSpeciesName.objects.filter(pokemon_species=obj)
        species_serializer = PokemonSpeciesNameSerializer(
            species_results, many=True, context=self.context)

        data = species_serializer.data

        for name in data:
            del name['genus']

        return data

    def get_pokemon_genera(self, obj):

        results = PokemonSpeciesName.objects.filter(pokemon_species=obj)
        serializer = PokemonSpeciesNameSerializer(results, many=True, context=self.context)
        data = serializer.data
        genera = []

        for entry in data:
            if entry['genus']:
                del entry['name']
                genera.append(entry)

        return genera

    def get_pokemon_egg_groups(self, obj):

        results = PokemonEggGroup.objects.filter(pokemon_species=obj)
        data = PokemonEggGroupSerializer(results, many=True, context=self.context).data
        groups = []
        for group in data:
            groups.append(group['egg_group'])

        return groups

    def get_pokemon_varieties(self, obj):

        results = Pokemon.objects.filter(pokemon_species=obj)
        summary_data = PokemonSummarySerializer(results, many=True, context=self.context).data
        detail_data = PokemonDetailSerializer(results, many=True, context=self.context).data

        varieties = []

        for index, pokemon in enumerate(detail_data):
            entry = OrderedDict()
            entry['is_default'] = pokemon['is_default']
            entry['pokemon'] = summary_data[index]
            varieties.append(entry)

        return varieties

    def get_encounters(self, obj):

        pal_park_objects = PalPark.objects.filter(pokemon_species=obj)
        parks = PalParkSerializer(pal_park_objects, many=True, context=self.context).data
        encounters = []

        for encounter in parks:
            del encounter['pokemon_species']
            encounters.append(encounter)

        return encounters


class PokemonEvolutionSerializer(serializers.ModelSerializer):

    item = ItemSummarySerializer(source="evolution_item")
    held_item = ItemSummarySerializer()
    known_move = MoveSummarySerializer()
    known_move_type = TypeSummarySerializer()
    party_species = PokemonSpeciesSummarySerializer()
    party_type = TypeSummarySerializer()
    trade_species = PokemonSpeciesSummarySerializer()
    location = LocationSummarySerializer()
    trigger = EvolutionTriggerSummarySerializer(source="evolution_trigger")

    class Meta:
        model = PokemonEvolution
        fields = (
            'item',
            'trigger',
            'gender',
            'held_item',
            'known_move',
            'known_move_type',
            'location',
            'min_level',
            'min_happiness',
            'min_beauty',
            'min_affection',
            'needs_overworld_rain',
            'party_species',
            'party_type',
            'relative_physical_stats',
            'time_of_day',
            'trade_species',
            'turn_upside_down'
        )


class EvolutionChainDetailSerializer(serializers.ModelSerializer):

    baby_trigger_item = ItemSummarySerializer()
    chain = serializers.SerializerMethodField('build_chain')

    class Meta:
        model = EvolutionChain
        fields = (
            'id',
            'baby_trigger_item',
            'chain'
        )

    def build_chain(self, obj):

        chain_id = obj.id

        pokemon_objects = PokemonSpecies.objects.filter(
            evolution_chain_id=chain_id).order_by('order')
        summary_data = PokemonSpeciesSummarySerializer(
            pokemon_objects, many=True, context=self.context).data
        ref_data = PokemonSpeciesEvolutionSerializer(
            pokemon_objects, many=True, context=self.context).data

        chain = entry = OrderedDict()
        current_evolutions = None
        evolution_data = None
        previous_entry = None
        previous_species = None

        for index, species in enumerate(ref_data):

            # If evolves from something
            if species['evolves_from_species']:

                # In case this pokemon is one of multiple evolutions a pokemon can make
                if previous_species:
                    if previous_species['id'] == species['evolves_from_species']:
                        current_evolutions = previous_entry['evolves_to']

                entry = OrderedDict()

                evolution_object = PokemonEvolution.objects.filter(
                    evolved_species=species['id'])

                evolution_data = PokemonEvolutionSerializer(
                    evolution_object, many=True, context=self.context).data

                current_evolutions.append(entry)

            entry['is_baby'] = species['is_baby']
            entry['species'] = summary_data[index]
            entry['evolution_details'] = evolution_data or []
            entry['evolves_to'] = []

            # Keep track of previous entries for complex chaining
            previous_entry = entry
            previous_species = species

        return chain


class PokemonDexNumberSerializer(serializers.ModelSerializer):

    entry_number = serializers.IntegerField(source="pokedex_number")
    pokemon_species = PokemonSpeciesSummarySerializer()

    class Meta:
        model = PokemonDexNumber
        fields = ('pokedex', 'entry_number', 'pokemon_species')


############################
#  POKEATHLON SERIALIZERS  #
############################
class PokeathlonStatNameSerializer(serializers.HyperlinkedModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = PokeathlonStatName
        fields = ('name', 'language')


class PokeathlonStatDetailSerializer(serializers.HyperlinkedModelSerializer):

    names = PokeathlonStatNameSerializer(many=True, read_only=True, source="pokeathlonstatname")
    affecting_natures = serializers.SerializerMethodField('get_natures_that_affect')

    class Meta:
        model = PokeathlonStat
        fields = ('id', 'name', 'affecting_natures', 'names')

    def get_natures_that_affect(self, obj):

        stat_change_objects = NaturePokeathlonStat.objects.filter(pokeathlon_stat=obj)
        stat_changes = NaturePokeathlonStatSerializer(
            stat_change_objects, many=True, context=self.context).data
        changes = OrderedDict([('increase', []), ('decrease', [])])

        for change in stat_changes:
            del change['pokeathlon_stat']
            if change['max_change'] > 0:
                changes['increase'].append(change)
            else:
                changes['decrease'].append(change)

        return changes


#########################
#  POKEDEX SERIALIZERS  #
#########################
class PokedexNameSerializer(serializers.HyperlinkedModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = PokedexName
        fields = ('name', 'language')


class PokedexDescriptionSerializer(serializers.HyperlinkedModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = PokedexDescription
        fields = ('description', 'language')


class PokedexDetailSerializer(serializers.ModelSerializer):

    region = RegionSummarySerializer()
    names = PokedexNameSerializer(many=True, read_only=True, source="pokedexname")
    descriptions = PokedexDescriptionSerializer(
        many=True, read_only=True, source="pokedexdescription")
    pokemon_entries = serializers.SerializerMethodField('get_pokedex_entries')
    version_groups = serializers.SerializerMethodField('get_pokedex_version_groups')

    class Meta:
        model = Pokedex
        fields = (
            'id', 'name', 'is_main_series', 'descriptions', 'names',
            'pokemon_entries', 'region', 'version_groups'
        )

    def get_pokedex_entries(self, obj):

        results = PokemonDexNumber.objects.filter(pokedex=obj).order_by('pokedex_number')
        serializer = PokemonDexNumberSerializer(results, many=True, context=self.context)
        data = serializer.data

        for entry in data:
            del entry['pokedex']

        return data

    def get_pokedex_version_groups(self, obj):

        dex_group_objects = PokedexVersionGroup.objects.filter(pokedex=obj)
        dex_groups = PokedexVersionGroupSerializer(
            dex_group_objects, many=True, context=self.context).data
        results = []

        for dex_group in dex_groups:
            results.append(dex_group['version_group'])

        return results


#########################
#  VERSION SERIALIZERS  #
#########################
class VersionNameSerializer(serializers.ModelSerializer):

    language = LanguageSummarySerializer()

    class Meta:
        model = VersionName
        fields = ('name', 'language')


class VersionDetailSerializer(serializers.ModelSerializer):
    """
    Should have a link to Version Group info but the Circular
    dependency and compilation order fight eachother and I'm
    not sure how to add anything other than a hyperlink
    """

    names = VersionNameSerializer(many=True, read_only=True, source="versionname")
    version_group = VersionGroupSummarySerializer()

    class Meta:
        model = Version
        fields = ('id', 'name', 'names', 'version_group')


class VersionGroupDetailSerializer(serializers.ModelSerializer):

    generation = GenerationSummarySerializer()
    versions = VersionSummarySerializer(many=True, read_only=True, source="version")
    regions = serializers.SerializerMethodField('get_version_group_regions')
    move_learn_methods = serializers.SerializerMethodField('get_learn_methods')
    pokedexes = serializers.SerializerMethodField('get_version_groups_pokedexes')

    class Meta:
        model = VersionGroup
        fields = (
            'id', 'name', 'order', 'generation', 'move_learn_methods',
            'pokedexes', 'regions', 'versions'
        )

    def get_version_group_regions(self, obj):

        vg_regions = VersionGroupRegion.objects.filter(version_group=obj)
        data = VersionGroupRegionSerializer(vg_regions, many=True, context=self.context).data
        regions = []

        for region in data:
            regions.append(region['region'])

        return regions

    def get_learn_methods(self, obj):

        learn_method_objects = VersionGroupMoveLearnMethod.objects.filter(version_group=obj)
        learn_method_data = VersionGroupMoveLearnMethodSerializer(
            learn_method_objects, many=True, context=self.context).data
        methods = []

        for method in learn_method_data:
            methods.append(method['move_learn_method'])

        return methods

    def get_version_groups_pokedexes(self, obj):

        dex_group_objects = PokedexVersionGroup.objects.filter(version_group=obj)
        dex_groups = PokedexVersionGroupSerializer(
            dex_group_objects, many=True, context=self.context).data
        results = []

        for dex_group in dex_groups:
            results.append(dex_group['pokedex'])

        return results