using System.Collections.Generic;
using System.Drawing;
using PKHeX.Core;

namespace PKHeX.WinForms
{
    public class PKMPreview
    {
        private readonly PKM pkm;
        private readonly ushort[] Stats;
        public string Position => pkm.Identifier;
        public Image Sprite => pkm.Sprite();
        public string Nickname => pkm.Nickname;
        public string Species => Get(GameInfo.Strings.specieslist, pkm.Species);
        public string Nature => Get(GameInfo.Strings.natures, pkm.Nature);
        public string Gender => Get(Main.GenderSymbols, pkm.Gender);
        public string ESV => pkm.PSV.ToString("0000");
        public string HP_Type => Get(GameInfo.Strings.types, pkm.HPType + 1);
        public string Ability => Get(GameInfo.Strings.abilitylist, pkm.Ability);
        public string Move1 => Get(GameInfo.Strings.movelist, pkm.Move1);
        public string Move2 => Get(GameInfo.Strings.movelist, pkm.Move2);
        public string Move3 => Get(GameInfo.Strings.movelist, pkm.Move3);
        public string Move4 => Get(GameInfo.Strings.movelist, pkm.Move4);
        public string HeldItem => Get(GameInfo.Strings.itemlist, pkm.HeldItem);
        public string HP => Stats[0].ToString();
        public string ATK => Stats[1].ToString();
        public string DEF => Stats[2].ToString();
        public string SPA => Stats[4].ToString();
        public string SPD => Stats[5].ToString();
        public string SPE => Stats[3].ToString();
        public string MetLoc => pkm.GetLocationString(eggmet: false);
        public string EggLoc => pkm.GetLocationString(eggmet: true);
        public string Ball => Get(GameInfo.Strings.balllist, pkm.Ball);
        public string OT => pkm.OT_Name;
        public string Version => Get(GameInfo.Strings.gamelist, pkm.Version);
        public string OTLang => Get(GameInfo.Strings.gamelanguages, pkm.Language) ?? $"UNK {pkm.Language}";
        public string Legal { get { var la = new LegalityAnalysis(pkm); return la.Parsed ? la.Valid.ToString() : "-"; } }
        public string CountryID => pkm.Format > 5 ? pkm.Country.ToString() : "N/A";
        public string RegionID => pkm.Format > 5 ? pkm.Region.ToString() : "N/A";
        public string DSRegionID => pkm.Format > 5 ? pkm.ConsoleRegion.ToString() : "N/A";

        #region Extraneous
        public string EC => pkm.EncryptionConstant.ToString("X8");
        public string PID => pkm.PID.ToString("X8");
        public int HP_IV => pkm.IV_HP;
        public int ATK_IV => pkm.IV_ATK;
        public int DEF_IV => pkm.IV_DEF;
        public int SPA_IV => pkm.IV_SPA;
        public int SPD_IV => pkm.IV_SPD;
        public int SPE_IV => pkm.IV_SPE;
        public uint EXP => pkm.EXP;
        public int Level => pkm.CurrentLevel;
        public int HP_EV => pkm.EV_HP;
        public int ATK_EV => pkm.EV_ATK;
        public int DEF_EV => pkm.EV_DEF;
        public int SPA_EV => pkm.EV_SPA;
        public int SPD_EV => pkm.EV_SPD;
        public int SPE_EV => pkm.EV_SPE;
        public int Cool => pkm is IContestStats s ? s.CNT_Cool : 0;
        public int Beauty => pkm is IContestStats s ? s.CNT_Beauty : 0;
        public int Cute => pkm is IContestStats s ? s.CNT_Cute : 0;
        public int Smart => pkm is IContestStats s ? s.CNT_Smart : 0;
        public int Tough => pkm is IContestStats s ? s.CNT_Tough : 0;
        public int Sheen => pkm is IContestStats s ? s.CNT_Sheen : 0;
        public int Markings => pkm.MarkValue;

        public string NotOT => pkm.Format > 5 ? pkm.HT_Name : "N/A";

        public int AbilityNum => pkm.Format > 5 ? pkm.AbilityNumber : -1;
        public int GenderFlag => pkm.Gender;
        public int AltForms => pkm.AltForm;
        public int PKRS_Strain => pkm.PKRS_Strain;
        public int PKRS_Days => pkm.PKRS_Days;
        public int MetLevel => pkm.Met_Level;
        public int OT_Gender => pkm.OT_Gender;

        public bool FatefulFlag => pkm.FatefulEncounter;
        public bool IsEgg => pkm.IsEgg;
        public bool IsNicknamed => pkm.IsNicknamed;
        public bool IsShiny => pkm.IsShiny;

        public int TID => pkm.GenNumber >= 7 ? pkm.TrainerID7 : pkm.TID;
        public int SID => pkm.GenNumber >= 7 ? pkm.TrainerSID7 : pkm.SID;
        public int TSV => pkm.TSV;
        public int Move1_PP => pkm.Move1_PP;
        public int Move2_PP => pkm.Move2_PP;
        public int Move3_PP => pkm.Move3_PP;
        public int Move4_PP => pkm.Move4_PP;
        public int Move1_PPUp => pkm.Move1_PPUps;
        public int Move2_PPUp => pkm.Move2_PPUps;
        public int Move3_PPUp => pkm.Move3_PPUps;
        public int Move4_PPUp => pkm.Move4_PPUps;
        public string Relearn1 => Get(GameInfo.Strings.movelist, pkm.RelearnMove1);
        public string Relearn2 => Get(GameInfo.Strings.movelist, pkm.RelearnMove2);
        public string Relearn3 => Get(GameInfo.Strings.movelist, pkm.RelearnMove3);
        public string Relearn4 => Get(GameInfo.Strings.movelist, pkm.RelearnMove4);
        public ushort Checksum => pkm.Checksum;
        public int Friendship => pkm.OT_Friendship;
        public int OT_Affection => pkm.OT_Affection;
        public int Egg_Year => pkm.EggMetDate.GetValueOrDefault().Year;
        public int Egg_Month => pkm.EggMetDate.GetValueOrDefault().Month;
        public int Egg_Day => pkm.EggMetDate.GetValueOrDefault().Day;
        public int Met_Year => pkm.MetDate.GetValueOrDefault().Year;
        public int Met_Month => pkm.MetDate.GetValueOrDefault().Month;
        public int Met_Day => pkm.MetDate.GetValueOrDefault().Day;
        public int Encounter => pkm.EncounterType;

        #endregion

        public PKMPreview(PKM p)
        {
            pkm = p;
            Stats = pkm.GetStats(pkm.PersonalInfo);
        }

        private static string Get(IReadOnlyList<string> arr, int val) => arr?.Count > val && val >= 0 ? arr[val] : null;
    }
}