using System;
using System.Collections.Generic;
using static System.Buffers.Binary.BinaryPrimitives;

namespace PKHeX.Core;

/// <summary> Generation 6 <see cref="PKM"/> format. </summary>
public sealed class PK6 : G6PKM, IRibbonSetEvent3, IRibbonSetEvent4, IRibbonSetCommon3, IRibbonSetCommon4, IRibbonSetCommon6, IRibbonSetMemory6,
    IContestStats, IContestStatsMutable, IGeoTrack, ISuperTrain, IFormArgument, ITrainerMemories, IAffection, IGroundTile
{
    private static readonly ushort[] Unused =
    {
        0x36, 0x37, // Unused Ribbons
        0x58, 0x59, 0x73, 0x90, 0x91, 0x9E, 0x9F, 0xA0, 0xA1, 0xA7, 0xAA, 0xAB, 0xAC, 0xAD, 0xC8, 0xC9, 0xD7, 0xE4, 0xE5, 0xE6, 0xE7,
    };

    public override IReadOnlyList<ushort> ExtraBytes => Unused;
    public override EntityContext Context => EntityContext.Gen6;
    public override PersonalInfo PersonalInfo => PersonalTable.AO.GetFormEntry(Species, Form);

    public PK6() : base(PokeCrypto.SIZE_6PARTY) { }
    public PK6(byte[] data) : base(DecryptParty(data)) { }

    private static byte[] DecryptParty(byte[] data)
    {
        PokeCrypto.DecryptIfEncrypted67(ref data);
        Array.Resize(ref data, PokeCrypto.SIZE_6PARTY);
        return data;
    }

    public override PKM Clone() => new PK6((byte[])Data.Clone());

    // Structure
    #region Block A
    public override uint EncryptionConstant
    {
        get => ReadUInt32LittleEndian(Data.AsSpan(0x00));
        set => WriteUInt32LittleEndian(Data.AsSpan(0x00), value);
    }

    public override ushort Sanity
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(0x04));
        set => WriteUInt16LittleEndian(Data.AsSpan(0x04), value);
    }

    public override ushort Checksum
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(0x06));
        set => WriteUInt16LittleEndian(Data.AsSpan(0x06), value);
    }

    public override ushort Species
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(0x08));
        set => WriteUInt16LittleEndian(Data.AsSpan(0x08), value);
    }

    public override int HeldItem
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(0x0A));
        set => WriteUInt16LittleEndian(Data.AsSpan(0x0A), (ushort)value);
    }

    public override int TID
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(0x0C));
        set => WriteUInt16LittleEndian(Data.AsSpan(0x0C), (ushort)value);
    }

    public override int SID
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(0x0E));
        set => WriteUInt16LittleEndian(Data.AsSpan(0x0E), (ushort)value);
    }

    public override uint EXP
    {
        get => ReadUInt32LittleEndian(Data.AsSpan(0x10));
        set => WriteUInt32LittleEndian(Data.AsSpan(0x10), value);
    }

    public override int Ability { get => Data[0x14]; set => Data[0x14] = (byte)value; }
    public override int AbilityNumber { get => Data[0x15]; set => Data[0x15] = (byte)value; }
    public int TrainingBagHits { get => Data[0x16]; set => Data[0x16] = (byte)value; }
    public int TrainingBag { get => Data[0x17]; set => Data[0x17] = (byte)value; }

    public override uint PID
    {
        get => ReadUInt32LittleEndian(Data.AsSpan(0x18));
        set => WriteUInt32LittleEndian(Data.AsSpan(0x18), value);
    }

    public override int Nature { get => Data[0x1C]; set => Data[0x1C] = (byte)value; }
    public override bool FatefulEncounter { get => (Data[0x1D] & 1) == 1; set => Data[0x1D] = (byte)((Data[0x1D] & ~0x01) | (value ? 1 : 0)); }
    public override int Gender { get => (Data[0x1D] >> 1) & 0x3; set => Data[0x1D] = (byte)((Data[0x1D] & ~0x06) | (value << 1)); }
    public override byte Form { get => (byte)(Data[0x1D] >> 3); set => Data[0x1D] = (byte)((Data[0x1D] & 0x07) | (value << 3)); }
    public override int EV_HP { get => Data[0x1E]; set => Data[0x1E] = (byte)value; }
    public override int EV_ATK { get => Data[0x1F]; set => Data[0x1F] = (byte)value; }
    public override int EV_DEF { get => Data[0x20]; set => Data[0x20] = (byte)value; }
    public override int EV_SPE { get => Data[0x21]; set => Data[0x21] = (byte)value; }
    public override int EV_SPA { get => Data[0x22]; set => Data[0x22] = (byte)value; }
    public override int EV_SPD { get => Data[0x23]; set => Data[0x23] = (byte)value; }
    public byte CNT_Cool   { get => Data[0x24]; set => Data[0x24] = value; }
    public byte CNT_Beauty { get => Data[0x25]; set => Data[0x25] = value; }
    public byte CNT_Cute   { get => Data[0x26]; set => Data[0x26] = value; }
    public byte CNT_Smart  { get => Data[0x27]; set => Data[0x27] = value; }
    public byte CNT_Tough  { get => Data[0x28]; set => Data[0x28] = value; }
    public byte CNT_Sheen  { get => Data[0x29]; set => Data[0x29] = value; }
    public override int MarkValue { get => Data[0x2A]; set => Data[0x2A] = (byte)value; }
    private byte PKRS { get => Data[0x2B]; set => Data[0x2B] = value; }
    public override int PKRS_Days { get => PKRS & 0xF; set => PKRS = (byte)((PKRS & ~0xF) | value); }
    public override int PKRS_Strain { get => PKRS >> 4; set => PKRS = (byte)((PKRS & 0xF) | (value << 4)); }
    private byte ST1 { get => Data[0x2C]; set => Data[0x2C] = value; }
    public bool Unused0 { get => (ST1 & (1 << 0)) == 1 << 0; set => ST1 = (byte)((ST1 & ~(1 << 0)) | (value ? 1 << 0 : 0)); }
    public bool Unused1 { get => (ST1 & (1 << 1)) == 1 << 1; set => ST1 = (byte)((ST1 & ~(1 << 1)) | (value ? 1 << 1 : 0)); }
    public bool SuperTrain1_SPA { get => (ST1 & (1 << 2)) == 1 << 2; set => ST1 = (byte)((ST1 & ~(1 << 2)) | (value ? 1 << 2 : 0)); }
    public bool SuperTrain1_HP { get => (ST1 & (1 << 3)) == 1 << 3; set => ST1 = (byte)((ST1 & ~(1 << 3)) | (value ? 1 << 3 : 0)); }
    public bool SuperTrain1_ATK { get => (ST1 & (1 << 4)) == 1 << 4; set => ST1 = (byte)((ST1 & ~(1 << 4)) | (value ? 1 << 4 : 0)); }
    public bool SuperTrain1_SPD { get => (ST1 & (1 << 5)) == 1 << 5; set => ST1 = (byte)((ST1 & ~(1 << 5)) | (value ? 1 << 5 : 0)); }
    public bool SuperTrain1_SPE { get => (ST1 & (1 << 6)) == 1 << 6; set => ST1 = (byte)((ST1 & ~(1 << 6)) | (value ? 1 << 6 : 0)); }
    public bool SuperTrain1_DEF { get => (ST1 & (1 << 7)) == 1 << 7; set => ST1 = (byte)((ST1 & ~(1 << 7)) | (value ? 1 << 7 : 0)); }
    private byte ST2 { get => Data[0x2D]; set => Data[0x2D] = value; }
    public bool SuperTrain2_SPA { get => (ST2 & (1 << 0)) == 1 << 0; set => ST2 = (byte)((ST2 & ~(1 << 0)) | (value ? 1 << 0 : 0)); }
    public bool SuperTrain2_HP { get => (ST2 & (1 << 1)) == 1 << 1; set => ST2 = (byte)((ST2 & ~(1 << 1)) | (value ? 1 << 1 : 0)); }
    public bool SuperTrain2_ATK { get => (ST2 & (1 << 2)) == 1 << 2; set => ST2 = (byte)((ST2 & ~(1 << 2)) | (value ? 1 << 2 : 0)); }
    public bool SuperTrain2_SPD { get => (ST2 & (1 << 3)) == 1 << 3; set => ST2 = (byte)((ST2 & ~(1 << 3)) | (value ? 1 << 3 : 0)); }
    public bool SuperTrain2_SPE { get => (ST2 & (1 << 4)) == 1 << 4; set => ST2 = (byte)((ST2 & ~(1 << 4)) | (value ? 1 << 4 : 0)); }
    public bool SuperTrain2_DEF { get => (ST2 & (1 << 5)) == 1 << 5; set => ST2 = (byte)((ST2 & ~(1 << 5)) | (value ? 1 << 5 : 0)); }
    public bool SuperTrain3_SPA { get => (ST2 & (1 << 6)) == 1 << 6; set => ST2 = (byte)((ST2 & ~(1 << 6)) | (value ? 1 << 6 : 0)); }
    public bool SuperTrain3_HP { get => (ST2 & (1 << 7)) == 1 << 7; set => ST2 = (byte)((ST2 & ~(1 << 7)) | (value ? 1 << 7 : 0)); }
    private byte ST3 { get => Data[0x2E]; set => Data[0x2E] = value; }
    public bool SuperTrain3_ATK { get => (ST3 & (1 << 0)) == 1 << 0; set => ST3 = (byte)((ST3 & ~(1 << 0)) | (value ? 1 << 0 : 0)); }
    public bool SuperTrain3_SPD { get => (ST3 & (1 << 1)) == 1 << 1; set => ST3 = (byte)((ST3 & ~(1 << 1)) | (value ? 1 << 1 : 0)); }
    public bool SuperTrain3_SPE { get => (ST3 & (1 << 2)) == 1 << 2; set => ST3 = (byte)((ST3 & ~(1 << 2)) | (value ? 1 << 2 : 0)); }
    public bool SuperTrain3_DEF { get => (ST3 & (1 << 3)) == 1 << 3; set => ST3 = (byte)((ST3 & ~(1 << 3)) | (value ? 1 << 3 : 0)); }
    public bool SuperTrain4_1 { get => (ST3 & (1 << 4)) == 1 << 4; set => ST3 = (byte)((ST3 & ~(1 << 4)) | (value ? 1 << 4 : 0)); }
    public bool SuperTrain5_1 { get => (ST3 & (1 << 5)) == 1 << 5; set => ST3 = (byte)((ST3 & ~(1 << 5)) | (value ? 1 << 5 : 0)); }
    public bool SuperTrain5_2 { get => (ST3 & (1 << 6)) == 1 << 6; set => ST3 = (byte)((ST3 & ~(1 << 6)) | (value ? 1 << 6 : 0)); }
    public bool SuperTrain5_3 { get => (ST3 & (1 << 7)) == 1 << 7; set => ST3 = (byte)((ST3 & ~(1 << 7)) | (value ? 1 << 7 : 0)); }
    private byte ST4 { get => Data[0x2F]; set => Data[0x2F] = value; }
    public bool SuperTrain5_4 { get => (ST4 & (1 << 0)) == 1 << 0; set => ST4 = (byte)((ST4 & ~(1 << 0)) | (value ? 1 << 0 : 0)); }
    public bool SuperTrain6_1 { get => (ST4 & (1 << 1)) == 1 << 1; set => ST4 = (byte)((ST4 & ~(1 << 1)) | (value ? 1 << 1 : 0)); }
    public bool SuperTrain6_2 { get => (ST4 & (1 << 2)) == 1 << 2; set => ST4 = (byte)((ST4 & ~(1 << 2)) | (value ? 1 << 2 : 0)); }
    public bool SuperTrain6_3 { get => (ST4 & (1 << 3)) == 1 << 3; set => ST4 = (byte)((ST4 & ~(1 << 3)) | (value ? 1 << 3 : 0)); }
    public bool SuperTrain7_1 { get => (ST4 & (1 << 4)) == 1 << 4; set => ST4 = (byte)((ST4 & ~(1 << 4)) | (value ? 1 << 4 : 0)); }
    public bool SuperTrain7_2 { get => (ST4 & (1 << 5)) == 1 << 5; set => ST4 = (byte)((ST4 & ~(1 << 5)) | (value ? 1 << 5 : 0)); }
    public bool SuperTrain7_3 { get => (ST4 & (1 << 6)) == 1 << 6; set => ST4 = (byte)((ST4 & ~(1 << 6)) | (value ? 1 << 6 : 0)); }
    public bool SuperTrain8_1 { get => (ST4 & (1 << 7)) == 1 << 7; set => ST4 = (byte)((ST4 & ~(1 << 7)) | (value ? 1 << 7 : 0)); }
    public uint SuperTrainBitFlags { get => ReadUInt32LittleEndian(Data.AsSpan(0x2C)); set => WriteUInt32LittleEndian(Data.AsSpan(0x2C), value); }
    private byte RIB0 { get => Data[0x30]; set => Data[0x30] = value; } // Ribbons are read as uints, but let's keep them per byte.
    private byte RIB1 { get => Data[0x31]; set => Data[0x31] = value; }
    private byte RIB2 { get => Data[0x32]; set => Data[0x32] = value; }
    private byte RIB3 { get => Data[0x33]; set => Data[0x33] = value; }
    private byte RIB4 { get => Data[0x34]; set => Data[0x34] = value; }
    private byte RIB5 { get => Data[0x35]; set => Data[0x35] = value; }
    public bool RibbonChampionKalos { get => (RIB0 & (1 << 0)) == 1 << 0; set => RIB0 = (byte)((RIB0 & ~(1 << 0)) | (value ? 1 << 0 : 0)); }
    public bool RibbonChampionG3 { get => (RIB0 & (1 << 1)) == 1 << 1; set => RIB0 = (byte)((RIB0 & ~(1 << 1)) | (value ? 1 << 1 : 0)); }
    public bool RibbonChampionSinnoh { get => (RIB0 & (1 << 2)) == 1 << 2; set => RIB0 = (byte)((RIB0 & ~(1 << 2)) | (value ? 1 << 2 : 0)); }
    public bool RibbonBestFriends { get => (RIB0 & (1 << 3)) == 1 << 3; set => RIB0 = (byte)((RIB0 & ~(1 << 3)) | (value ? 1 << 3 : 0)); }
    public bool RibbonTraining { get => (RIB0 & (1 << 4)) == 1 << 4; set => RIB0 = (byte)((RIB0 & ~(1 << 4)) | (value ? 1 << 4 : 0)); }
    public bool RibbonBattlerSkillful { get => (RIB0 & (1 << 5)) == 1 << 5; set => RIB0 = (byte)((RIB0 & ~(1 << 5)) | (value ? 1 << 5 : 0)); }
    public bool RibbonBattlerExpert { get => (RIB0 & (1 << 6)) == 1 << 6; set => RIB0 = (byte)((RIB0 & ~(1 << 6)) | (value ? 1 << 6 : 0)); }
    public bool RibbonEffort { get => (RIB0 & (1 << 7)) == 1 << 7; set => RIB0 = (byte)((RIB0 & ~(1 << 7)) | (value ? 1 << 7 : 0)); }
    public bool RibbonAlert { get => (RIB1 & (1 << 0)) == 1 << 0; set => RIB1 = (byte)((RIB1 & ~(1 << 0)) | (value ? 1 << 0 : 0)); }
    public bool RibbonShock { get => (RIB1 & (1 << 1)) == 1 << 1; set => RIB1 = (byte)((RIB1 & ~(1 << 1)) | (value ? 1 << 1 : 0)); }
    public bool RibbonDowncast { get => (RIB1 & (1 << 2)) == 1 << 2; set => RIB1 = (byte)((RIB1 & ~(1 << 2)) | (value ? 1 << 2 : 0)); }
    public bool RibbonCareless { get => (RIB1 & (1 << 3)) == 1 << 3; set => RIB1 = (byte)((RIB1 & ~(1 << 3)) | (value ? 1 << 3 : 0)); }
    public bool RibbonRelax { get => (RIB1 & (1 << 4)) == 1 << 4; set => RIB1 = (byte)((RIB1 & ~(1 << 4)) | (value ? 1 << 4 : 0)); }
    public bool RibbonSnooze { get => (RIB1 & (1 << 5)) == 1 << 5; set => RIB1 = (byte)((RIB1 & ~(1 << 5)) | (value ? 1 << 5 : 0)); }
    public bool RibbonSmile { get => (RIB1 & (1 << 6)) == 1 << 6; set => RIB1 = (byte)((RIB1 & ~(1 << 6)) | (value ? 1 << 6 : 0)); }
    public bool RibbonGorgeous { get => (RIB1 & (1 << 7)) == 1 << 7; set => RIB1 = (byte)((RIB1 & ~(1 << 7)) | (value ? 1 << 7 : 0)); }
    public bool RibbonRoyal { get => (RIB2 & (1 << 0)) == 1 << 0; set => RIB2 = (byte)((RIB2 & ~(1 << 0)) | (value ? 1 << 0 : 0)); }
    public bool RibbonGorgeousRoyal { get => (RIB2 & (1 << 1)) == 1 << 1; set => RIB2 = (byte)((RIB2 & ~(1 << 1)) | (value ? 1 << 1 : 0)); }
    public bool RibbonArtist { get => (RIB2 & (1 << 2)) == 1 << 2; set => RIB2 = (byte)((RIB2 & ~(1 << 2)) | (value ? 1 << 2 : 0)); }
    public bool RibbonFootprint { get => (RIB2 & (1 << 3)) == 1 << 3; set => RIB2 = (byte)((RIB2 & ~(1 << 3)) | (value ? 1 << 3 : 0)); }
    public bool RibbonRecord { get => (RIB2 & (1 << 4)) == 1 << 4; set => RIB2 = (byte)((RIB2 & ~(1 << 4)) | (value ? 1 << 4 : 0)); }
    public bool RibbonLegend { get => (RIB2 & (1 << 5)) == 1 << 5; set => RIB2 = (byte)((RIB2 & ~(1 << 5)) | (value ? 1 << 5 : 0)); }
    public bool RibbonCountry { get => (RIB2 & (1 << 6)) == 1 << 6; set => RIB2 = (byte)((RIB2 & ~(1 << 6)) | (value ? 1 << 6 : 0)); }
    public bool RibbonNational { get => (RIB2 & (1 << 7)) == 1 << 7; set => RIB2 = (byte)((RIB2 & ~(1 << 7)) | (value ? 1 << 7 : 0)); }
    public bool RibbonEarth { get => (RIB3 & (1 << 0)) == 1 << 0; set => RIB3 = (byte)((RIB3 & ~(1 << 0)) | (value ? 1 << 0 : 0)); }
    public bool RibbonWorld { get => (RIB3 & (1 << 1)) == 1 << 1; set => RIB3 = (byte)((RIB3 & ~(1 << 1)) | (value ? 1 << 1 : 0)); }
    public bool RibbonClassic { get => (RIB3 & (1 << 2)) == 1 << 2; set => RIB3 = (byte)((RIB3 & ~(1 << 2)) | (value ? 1 << 2 : 0)); }
    public bool RibbonPremier { get => (RIB3 & (1 << 3)) == 1 << 3; set => RIB3 = (byte)((RIB3 & ~(1 << 3)) | (value ? 1 << 3 : 0)); }
    public bool RibbonEvent { get => (RIB3 & (1 << 4)) == 1 << 4; set => RIB3 = (byte)((RIB3 & ~(1 << 4)) | (value ? 1 << 4 : 0)); }
    public bool RibbonBirthday { get => (RIB3 & (1 << 5)) == 1 << 5; set => RIB3 = (byte)((RIB3 & ~(1 << 5)) | (value ? 1 << 5 : 0)); }
    public bool RibbonSpecial { get => (RIB3 & (1 << 6)) == 1 << 6; set => RIB3 = (byte)((RIB3 & ~(1 << 6)) | (value ? 1 << 6 : 0)); }
    public bool RibbonSouvenir { get => (RIB3 & (1 << 7)) == 1 << 7; set => RIB3 = (byte)((RIB3 & ~(1 << 7)) | (value ? 1 << 7 : 0)); }
    public bool RibbonWishing { get => (RIB4 & (1 << 0)) == 1 << 0; set => RIB4 = (byte)((RIB4 & ~(1 << 0)) | (value ? 1 << 0 : 0)); }
    public bool RibbonChampionBattle { get => (RIB4 & (1 << 1)) == 1 << 1; set => RIB4 = (byte)((RIB4 & ~(1 << 1)) | (value ? 1 << 1 : 0)); }
    public bool RibbonChampionRegional { get => (RIB4 & (1 << 2)) == 1 << 2; set => RIB4 = (byte)((RIB4 & ~(1 << 2)) | (value ? 1 << 2 : 0)); }
    public bool RibbonChampionNational { get => (RIB4 & (1 << 3)) == 1 << 3; set => RIB4 = (byte)((RIB4 & ~(1 << 3)) | (value ? 1 << 3 : 0)); }
    public bool RibbonChampionWorld { get => (RIB4 & (1 << 4)) == 1 << 4; set => RIB4 = (byte)((RIB4 & ~(1 << 4)) | (value ? 1 << 4 : 0)); }
    public bool HasContestMemoryRibbon { get => (RIB4 & (1 << 5)) == 1 << 5; set => RIB4 = (byte)((RIB4 & ~(1 << 5)) | (value ? 1 << 5 : 0)); }
    public bool HasBattleMemoryRibbon { get => (RIB4 & (1 << 6)) == 1 << 6; set => RIB4 = (byte)((RIB4 & ~(1 << 6)) | (value ? 1 << 6 : 0)); }
    public bool RibbonChampionG6Hoenn { get => (RIB4 & (1 << 7)) == 1 << 7; set => RIB4 = (byte)((RIB4 & ~(1 << 7)) | (value ? 1 << 7 : 0)); }
    public bool RibbonContestStar { get => (RIB5 & (1 << 0)) == 1 << 0; set => RIB5 = (byte)((RIB5 & ~(1 << 0)) | (value ? 1 << 0 : 0)); }
    public bool RibbonMasterCoolness { get => (RIB5 & (1 << 1)) == 1 << 1; set => RIB5 = (byte)((RIB5 & ~(1 << 1)) | (value ? 1 << 1 : 0)); }
    public bool RibbonMasterBeauty { get => (RIB5 & (1 << 2)) == 1 << 2; set => RIB5 = (byte)((RIB5 & ~(1 << 2)) | (value ? 1 << 2 : 0)); }
    public bool RibbonMasterCuteness { get => (RIB5 & (1 << 3)) == 1 << 3; set => RIB5 = (byte)((RIB5 & ~(1 << 3)) | (value ? 1 << 3 : 0)); }
    public bool RibbonMasterCleverness { get => (RIB5 & (1 << 4)) == 1 << 4; set => RIB5 = (byte)((RIB5 & ~(1 << 4)) | (value ? 1 << 4 : 0)); }
    public bool RibbonMasterToughness { get => (RIB5 & (1 << 5)) == 1 << 5; set => RIB5 = (byte)((RIB5 & ~(1 << 5)) | (value ? 1 << 5 : 0)); }
    public bool RIB5_6 { get => (RIB5 & (1 << 6)) == 1 << 6; set => RIB5 = (byte)((RIB5 & ~(1 << 6)) | (value ? 1 << 6 : 0)); } // Unused
    public bool RIB5_7 { get => (RIB5 & (1 << 7)) == 1 << 7; set => RIB5 = (byte)((RIB5 & ~(1 << 7)) | (value ? 1 << 7 : 0)); } // Unused
    public byte RibbonCountMemoryContest { get => Data[0x38]; set => Data[0x38] = value; }
    public byte RibbonCountMemoryBattle  { get => Data[0x39]; set => Data[0x39] = value; }
    private ushort DistByte { get => ReadUInt16LittleEndian(Data.AsSpan(0x3A)); set => WriteUInt16LittleEndian(Data.AsSpan(0x3A), value); }
    public bool DistSuperTrain1 { get => (DistByte & (1 << 0)) == 1 << 0; set => DistByte = (byte)((DistByte & ~(1 << 0)) | (value ? 1 << 0 : 0)); }
    public bool DistSuperTrain2 { get => (DistByte & (1 << 1)) == 1 << 1; set => DistByte = (byte)((DistByte & ~(1 << 1)) | (value ? 1 << 1 : 0)); }
    public bool DistSuperTrain3 { get => (DistByte & (1 << 2)) == 1 << 2; set => DistByte = (byte)((DistByte & ~(1 << 2)) | (value ? 1 << 2 : 0)); }
    public bool DistSuperTrain4 { get => (DistByte & (1 << 3)) == 1 << 3; set => DistByte = (byte)((DistByte & ~(1 << 3)) | (value ? 1 << 3 : 0)); }
    public bool DistSuperTrain5 { get => (DistByte & (1 << 4)) == 1 << 4; set => DistByte = (byte)((DistByte & ~(1 << 4)) | (value ? 1 << 4 : 0)); }
    public bool DistSuperTrain6 { get => (DistByte & (1 << 5)) == 1 << 5; set => DistByte = (byte)((DistByte & ~(1 << 5)) | (value ? 1 << 5 : 0)); }
    public bool Dist7 { get => (DistByte & (1 << 6)) == 1 << 6; set => DistByte = (byte)((DistByte & ~(1 << 6)) | (value ? 1 << 6 : 0)); }
    public bool Dist8 { get => (DistByte & (1 << 7)) == 1 << 7; set => DistByte = (byte)((DistByte & ~(1 << 7)) | (value ? 1 << 7 : 0)); }
    public uint FormArgument { get => ReadUInt32LittleEndian(Data.AsSpan(0x3C)); set => WriteUInt32LittleEndian(Data.AsSpan(0x3C), value); }
    public byte FormArgumentMaximum { get => (byte)FormArgument; set => FormArgument = value & 0xFFu; }
    #endregion
    #region Block B
    public override string Nickname
    {
        get => StringConverter6.GetString(Nickname_Trash);
        set => StringConverter6.SetString(Nickname_Trash, value.AsSpan(), 12, StringConverterOption.None);
    }

    public override ushort Move1
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(0x5A));
        set => WriteUInt16LittleEndian(Data.AsSpan(0x5A), value);
    }

    public override ushort Move2
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(0x5C));
        set => WriteUInt16LittleEndian(Data.AsSpan(0x5C), value);
    }

    public override ushort Move3
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(0x5E));
        set => WriteUInt16LittleEndian(Data.AsSpan(0x5E), value);
    }

    public override ushort Move4
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(0x60));
        set => WriteUInt16LittleEndian(Data.AsSpan(0x60), value);
    }

    public override int Move1_PP { get => Data[0x62]; set => Data[0x62] = (byte)value; }
    public override int Move2_PP { get => Data[0x63]; set => Data[0x63] = (byte)value; }
    public override int Move3_PP { get => Data[0x64]; set => Data[0x64] = (byte)value; }
    public override int Move4_PP { get => Data[0x65]; set => Data[0x65] = (byte)value; }
    public override int Move1_PPUps { get => Data[0x66]; set => Data[0x66] = (byte)value; }
    public override int Move2_PPUps { get => Data[0x67]; set => Data[0x67] = (byte)value; }
    public override int Move3_PPUps { get => Data[0x68]; set => Data[0x68] = (byte)value; }
    public override int Move4_PPUps { get => Data[0x69]; set => Data[0x69] = (byte)value; }

    public override ushort RelearnMove1
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(0x6A));
        set => WriteUInt16LittleEndian(Data.AsSpan(0x6A), value);
    }

    public override ushort RelearnMove2
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(0x6C));
        set => WriteUInt16LittleEndian(Data.AsSpan(0x6C), value);
    }

    public override ushort RelearnMove3
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(0x6E));
        set => WriteUInt16LittleEndian(Data.AsSpan(0x6E), value);
    }

    public override ushort RelearnMove4
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(0x70));
        set => WriteUInt16LittleEndian(Data.AsSpan(0x70), value);
    }

    public bool SecretSuperTrainingUnlocked { get => (Data[0x72] & 1) == 1; set => Data[0x72] = (byte)((Data[0x72] & ~1) | (value ? 1 : 0)); }
    public bool SecretSuperTrainingComplete { get => (Data[0x72] & 2) == 2; set => Data[0x72] = (byte)((Data[0x72] & ~2) | (value ? 2 : 0)); }
    // 0x73 Unused
    private uint IV32 { get => ReadUInt32LittleEndian(Data.AsSpan(0x74)); set => WriteUInt32LittleEndian(Data.AsSpan(0x74), value); }
    public override int IV_HP { get => (int)(IV32 >> 00) & 0x1F; set => IV32 = (IV32 & ~(0x1Fu << 00)) | ((value > 31 ? 31u : (uint)value) << 00); }
    public override int IV_ATK { get => (int)(IV32 >> 05) & 0x1F; set => IV32 = (IV32 & ~(0x1Fu << 05)) | ((value > 31 ? 31u : (uint)value) << 05); }
    public override int IV_DEF { get => (int)(IV32 >> 10) & 0x1F; set => IV32 = (IV32 & ~(0x1Fu << 10)) | ((value > 31 ? 31u : (uint)value) << 10); }
    public override int IV_SPE { get => (int)(IV32 >> 15) & 0x1F; set => IV32 = (IV32 & ~(0x1Fu << 15)) | ((value > 31 ? 31u : (uint)value) << 15); }
    public override int IV_SPA { get => (int)(IV32 >> 20) & 0x1F; set => IV32 = (IV32 & ~(0x1Fu << 20)) | ((value > 31 ? 31u : (uint)value) << 20); }
    public override int IV_SPD { get => (int)(IV32 >> 25) & 0x1F; set => IV32 = (IV32 & ~(0x1Fu << 25)) | ((value > 31 ? 31u : (uint)value) << 25); }
    public override bool IsEgg { get => ((IV32 >> 30) & 1) == 1; set => IV32 = (IV32 & ~0x40000000u) | (value ? 0x40000000u : 0u); }
    public override bool IsNicknamed { get => ((IV32 >> 31) & 1) == 1; set => IV32 = (IV32 & 0x7FFFFFFFu) | (value ? 0x80000000u : 0u); }
    #endregion
    #region Block C
    public override string HT_Name
    {
        get => StringConverter6.GetString(HT_Trash);
        set => StringConverter6.SetString(HT_Trash, value.AsSpan(), 12, StringConverterOption.None);
    }
    public override int HT_Gender { get => Data[0x92]; set => Data[0x92] = (byte)value; }
    public override int CurrentHandler { get => Data[0x93]; set => Data[0x93] = (byte)value; }
    public byte Geo1_Region  { get => Data[0x94]; set => Data[0x94] = value; }
    public byte Geo1_Country { get => Data[0x95]; set => Data[0x95] = value; }
    public byte Geo2_Region  { get => Data[0x96]; set => Data[0x96] = value; }
    public byte Geo2_Country { get => Data[0x97]; set => Data[0x97] = value; }
    public byte Geo3_Region  { get => Data[0x98]; set => Data[0x98] = value; }
    public byte Geo3_Country { get => Data[0x99]; set => Data[0x99] = value; }
    public byte Geo4_Region  { get => Data[0x9A]; set => Data[0x9A] = value; }
    public byte Geo4_Country { get => Data[0x9B]; set => Data[0x9B] = value; }
    public byte Geo5_Region  { get => Data[0x9C]; set => Data[0x9C] = value; }
    public byte Geo5_Country { get => Data[0x9D]; set => Data[0x9D] = value; }
    // 0x9E Unused
    // 0x9F Unused
    // 0xA0 Unused
    // 0xA1 Unused
    public override int HT_Friendship { get => Data[0xA2]; set => Data[0xA2] = (byte)value; }
    public byte HT_Affection { get => Data[0xA3]; set => Data[0xA3] = value; }
    public byte HT_Intensity { get => Data[0xA4]; set => Data[0xA4] = value; }
    public byte HT_Memory { get => Data[0xA5]; set => Data[0xA5] = value; }
    public byte HT_Feeling { get => Data[0xA6]; set => Data[0xA6] = value; }
    // 0xA7 Unused
    public ushort HT_TextVar { get => ReadUInt16LittleEndian(Data.AsSpan(0xA8)); set => WriteUInt16LittleEndian(Data.AsSpan(0xA8), value); }
    // 0xAA Unused
    // 0xAB Unused
    // 0xAC Unused
    // 0xAD Unused
    public override byte Fullness { get => Data[0xAE]; set => Data[0xAE] = value; }
    public override byte Enjoyment { get => Data[0xAF]; set => Data[0xAF] = value; }
    #endregion
    #region Block D
    public override string OT_Name
    {
        get => StringConverter6.GetString(OT_Trash);
        set => StringConverter6.SetString(OT_Trash, value.AsSpan(), 12, StringConverterOption.None);
    }
    public override int OT_Friendship { get => Data[0xCA]; set => Data[0xCA] = (byte)value; }
    public byte OT_Affection { get => Data[0xCB]; set => Data[0xCB] = value; }
    public byte OT_Intensity { get => Data[0xCC]; set => Data[0xCC] = value; }
    public byte OT_Memory { get => Data[0xCD]; set => Data[0xCD] = value; }
    public ushort OT_TextVar { get => ReadUInt16LittleEndian(Data.AsSpan(0xCE)); set => WriteUInt16LittleEndian(Data.AsSpan(0xCE), value); }
    public byte OT_Feeling { get => Data[0xD0]; set => Data[0xD0] = value; }
    public override int Egg_Year { get => Data[0xD1]; set => Data[0xD1] = (byte)value; }
    public override int Egg_Month { get => Data[0xD2]; set => Data[0xD2] = (byte)value; }
    public override int Egg_Day { get => Data[0xD3]; set => Data[0xD3] = (byte)value; }
    public override int Met_Year { get => Data[0xD4]; set => Data[0xD4] = (byte)value; }
    public override int Met_Month { get => Data[0xD5]; set => Data[0xD5] = (byte)value; }
    public override int Met_Day { get => Data[0xD6]; set => Data[0xD6] = (byte)value; }
    // 0xD7 Unused
    public override int Egg_Location { get => ReadUInt16LittleEndian(Data.AsSpan(0xD8)); set => WriteUInt16LittleEndian(Data.AsSpan(0xD8), (ushort)value); }
    public override int Met_Location { get => ReadUInt16LittleEndian(Data.AsSpan(0xDA)); set => WriteUInt16LittleEndian(Data.AsSpan(0xDA), (ushort)value); }
    public override int Ball { get => Data[0xDC]; set => Data[0xDC] = (byte)value; }
    public override int Met_Level { get => Data[0xDD] & ~0x80; set => Data[0xDD] = (byte)((Data[0xDD] & 0x80) | value); }
    public override int OT_Gender { get => Data[0xDD] >> 7; set => Data[0xDD] = (byte)((Data[0xDD] & ~0x80) | (value << 7)); }
    public GroundTileType GroundTile { get => (GroundTileType)Data[0xDE]; set => Data[0xDE] = (byte)value; }
    public override int Version { get => Data[0xDF]; set => Data[0xDF] = (byte)value; }
    public byte Country { get => Data[0xE0]; set => Data[0xE0] = value; }
    public byte Region { get => Data[0xE1]; set => Data[0xE1] = value; }
    public byte ConsoleRegion { get => Data[0xE2]; set => Data[0xE2] = value; }
    public override int Language { get => Data[0xE3]; set => Data[0xE3] = (byte)value; }
    #endregion
    #region Battle Stats
    public override int Status_Condition { get => ReadInt32LittleEndian(Data.AsSpan(0xE8)); set => WriteInt32LittleEndian(Data.AsSpan(0xE8), value); }
    public override int Stat_Level { get => Data[0xEC]; set => Data[0xEC] = (byte)value; }
    public byte FormArgumentRemain { get => Data[0xED]; set => Data[0xED] = value; }
    public byte FormArgumentElapsed { get => Data[0xEE]; set => Data[0xEE] = value; }
    public override int Stat_HPCurrent { get => ReadUInt16LittleEndian(Data.AsSpan(0xF0)); set => WriteUInt16LittleEndian(Data.AsSpan(0xF0), (ushort)value); }
    public override int Stat_HPMax { get => ReadUInt16LittleEndian(Data.AsSpan(0xF2)); set => WriteUInt16LittleEndian(Data.AsSpan(0xF2), (ushort)value); }
    public override int Stat_ATK { get => ReadUInt16LittleEndian(Data.AsSpan(0xF4)); set => WriteUInt16LittleEndian(Data.AsSpan(0xF4), (ushort)value); }
    public override int Stat_DEF { get => ReadUInt16LittleEndian(Data.AsSpan(0xF6)); set => WriteUInt16LittleEndian(Data.AsSpan(0xF6), (ushort)value); }
    public override int Stat_SPE { get => ReadUInt16LittleEndian(Data.AsSpan(0xF8)); set => WriteUInt16LittleEndian(Data.AsSpan(0xF8), (ushort)value); }
    public override int Stat_SPA { get => ReadUInt16LittleEndian(Data.AsSpan(0xFA)); set => WriteUInt16LittleEndian(Data.AsSpan(0xFA), (ushort)value); }
    public override int Stat_SPD { get => ReadUInt16LittleEndian(Data.AsSpan(0xFC)); set => WriteUInt16LittleEndian(Data.AsSpan(0xFC), (ushort)value); }
    #endregion

    public int SuperTrainingMedalCount(int maxCount = 30)
    {
        uint value = SuperTrainBitFlags >> 2;
#if NET6_0_OR_GREATER
        return System.Numerics.BitOperations.PopCount(value);
#else
        int TrainCount = 0;
        for (int i = 0; i < maxCount; i++)
        {
            if ((value & 1) != 0)
                TrainCount++;
            value >>= 1;
        }

        return TrainCount;
#endif
    }

    public bool IsUntradedEvent6 => Geo1_Country == 0 && Geo1_Region == 0 && Met_Location / 10000 == 4 && Gen6;

    // Complex Generated Attributes

    public void FixMemories()
    {
        if (IsEgg) // No memories if is egg.
        {
            Geo1_Country = Geo2_Country = Geo3_Country = Geo4_Country = Geo5_Country =
                Geo1_Region = Geo2_Region = Geo3_Region = Geo4_Region = Geo5_Region = 0;
            HT_Friendship = HT_TextVar = HT_Memory = HT_Intensity = HT_Feeling = 0;
            /* OT_Friendship */ OT_TextVar = OT_Memory = OT_Intensity = OT_Feeling = OT_Affection = HT_Affection = 0;

            // Clear Handler
            HT_Trash.Clear();
            return;
        }

        if (IsUntraded)
            HT_Friendship = HT_TextVar = HT_Memory = HT_Intensity = HT_Feeling = HT_Affection = 0;
        if (!Gen6)
            OT_TextVar = OT_Memory = OT_Intensity = OT_Feeling = 0; // Don't clear OT affection; OR/AS Contest Glitch

        this.SanitizeGeoLocationData();
    }

    protected override bool TradeOT(ITrainerInfo tr)
    {
        // Check to see if the OT matches the SAV's OT info.
        if (!(tr.TID == TID && tr.SID == SID && tr.Gender == OT_Gender && tr.OT == OT_Name))
            return false;

        CurrentHandler = 0;
        if (tr is IRegionOrigin o)
        {
            if (!IsUntraded && (o.Country != Geo1_Country || o.Region != Geo1_Region))
                this.TradeGeoLocation(o.Country, o.Region);
        }

        return true;
    }

    protected override void TradeHT(ITrainerInfo tr)
    {
        if (tr.OT != HT_Name || tr.Gender != HT_Gender || (Geo1_Country == 0 && Geo1_Region == 0 && !IsUntradedEvent6))
        {
            if (tr is IRegionOrigin o)
                this.TradeGeoLocation(o.Country, o.Region);
        }

        if (tr.OT != HT_Name)
        {
            HT_Friendship = PersonalInfo.BaseFriendship;
            HT_Affection = 0;
            HT_Name = tr.OT;
        }
        CurrentHandler = 1;
        HT_Gender = tr.Gender;

        // Make a memory if no memory already exists. Pretty terrible way of doing this but I'd rather not overwrite existing memories.
        if (HT_Memory == 0)
            this.SetTradeMemoryHT6(false);
    }

    // Maximums
    public override ushort MaxMoveID => Legal.MaxMoveID_6_AO;
    public override ushort MaxSpeciesID => Legal.MaxSpeciesID_6;
    public override int MaxAbilityID => Legal.MaxAbilityID_6_AO;
    public override int MaxItemID => Legal.MaxItemID_6_AO;
    public override int MaxBallID => Legal.MaxBallID_6;
    public override int MaxGameID => Legal.MaxGameID_6; // OR
    public override int MarkingCount => 6;

    public override int GetMarking(int index)
    {
        if ((uint)index >= MarkingCount)
            throw new ArgumentOutOfRangeException(nameof(index));
        return (MarkValue >> index) & 1;
    }

    public override void SetMarking(int index, int value)
    {
        if ((uint)index >= MarkingCount)
            throw new ArgumentOutOfRangeException(nameof(index));
        MarkValue = (MarkValue & ~(1 << index)) | ((value & 1) << index);
    }

    public PK7 ConvertToPK7()
    {
        PK7 pk7 = new((byte[])Data.Clone())
        {
            ResortEventStatus = 0, // Clears old Marking Value
            MarkValue = 0, // Clears old Super Training Bag & Hits Remaining
            FormArgument = 0, // Clears old style Form Argument
            DirtType = 0, // Clears old Form Argument byte
            DirtLocation = 0, // Clears old Form Argument byte
        };

        // Remap boolean markings to the dual-bit format -- set 1 if marked.
        for (int i = 0; i < 6; i++)
            pk7.SetMarking(i, GetMarking(i));

        var an = AbilityNumber;
        switch (an)
        {
            case 1 or 2 or 4: // Valid Ability Numbers
                int index = an >> 1;

                var abilities = (IPersonalAbility12H)PersonalInfo;
                if (abilities.GetAbilityAtIndex(index) == Ability) // correct pair
                    pk7.Ability = pk7.PersonalInfo.GetAbilityAtIndex(index);
                break;
        }

        pk7.SetTradeMemoryHT6(true); // oh no, memories on gen7 pk
        RecentTrainerCache.SetFirstCountryRegion(pk7);

        // Bank-accurate data zeroing
        var span = pk7.Data.AsSpan();
        span[0x94..0x9E].Clear(); /* Geolocations. */
        span[0xAA..0xB0].Clear(); /* Unused/Amie Fullness & Enjoyment. */
        span[0xE4..0xE8].Clear(); /* Unused. */
        pk7.Data[0x72] &= 0xFC; /* Clear lower two bits of Super training flags. */
        pk7.Data[0xDE] = 0; /* Gen IV encounter type. */

        // Copy Form Argument data for Furfrou and Hoopa, since we're nice.
        pk7.FormArgumentRemain = FormArgumentRemain;
        pk7.FormArgumentElapsed = FormArgumentElapsed;
        pk7.FormArgumentMaximum = FormArgumentMaximum;

        pk7.HealPP();
        // Fix Checksum
        pk7.RefreshChecksum();

        return pk7; // Done!
    }
}