using System;
using System.Collections.Generic;

namespace PKHeX.Core
{
    /// <summary> Generation 8 <see cref="PKM"/> format. </summary>
    public sealed class PK8 : PKM,
        IRibbonSetEvent3, IRibbonSetEvent4, IRibbonSetCommon3, IRibbonSetCommon4, IRibbonSetCommon6, IRibbonSetCommon7, IRibbonSetCommon8, IRibbonSetMark8,
        IContestStats, IContestStatsMutable, IHyperTrain, IScaledSize, IGigantamax, IFavorite, IDynamaxLevel, IRibbonIndex, IHandlerLanguage, IFormArgument, IHomeTrack, IBattleVersion, ITrainerMemories
    {
        private static readonly ushort[] Unused =
        {
            // Alignment bytes
            0x17, 0x1A, 0x1B, 0x23, 0x33, 0x3E, 0x3F,
            0x4C, 0x4D, 0x4E, 0x4F,
            0x52, 0x53, 0x54, 0x55, 0x56, 0x57,

            0x91, 0x92, 0x93,
            0x9C, 0x9D, 0x9E, 0x9F, 0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7,

            0xC5,
            0xCE, 0xCF, 0xD0, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xDB, 0xDC, 0xDD,
            0xE0, 0xE1, // Old Console Region / Region
            0xE9, 0xEA, 0xEB, 0xEC, 0xED, 0xEE, 0xEF, 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
            0x115, 0x11F, // Alignment

            0x13D, 0x13E, 0x13F,
            0x140, 0x141, 0x142, 0x143, 0x144, 0x145, 0x146, 0x147,
        };

        public override IReadOnlyList<ushort> ExtraBytes => Unused;
        public override int Format => 8;
        public override PersonalInfo PersonalInfo => PersonalTable.SWSH.GetFormEntry(Species, Form);

        public PK8() : base(PokeCrypto.SIZE_8PARTY) => AffixedRibbon = -1; // 00 would make it show Kalos Champion :)
        public PK8(byte[] data) : base(DecryptParty(data)) { }

        private static byte[] DecryptParty(byte[] data)
        {
            PokeCrypto.DecryptIfEncrypted8(ref data);
            Array.Resize(ref data, PokeCrypto.SIZE_8PARTY);
            return data;
        }

        protected override ushort CalculateChecksum()
        {
            ushort chk = 0;
            for (int i = 8; i < PokeCrypto.SIZE_8STORED; i += 2)
                chk += BitConverter.ToUInt16(Data, i);
            return chk;
        }

        // Simple Generated Attributes
        public override int CurrentFriendship
        {
            get => CurrentHandler == 0 ? OT_Friendship : HT_Friendship;
            set { if (CurrentHandler == 0) OT_Friendship = value; else HT_Friendship = value; }
        }

        public override PKM Clone() => new PK8((byte[])Data.Clone()) { Identifier = Identifier };

        private string GetString(int Offset, int Count) => StringConverter.GetString7b(Data, Offset, Count);
        private static byte[] SetString(string value, int maxLength) => StringConverter.SetString7b(value, maxLength);

        public override int SIZE_PARTY => PokeCrypto.SIZE_8PARTY;
        public override int SIZE_STORED => PokeCrypto.SIZE_8STORED;

        // Trash Bytes
        public override byte[] Nickname_Trash { get => GetData(0x58, 24); set { if (value.Length == 24) value.CopyTo(Data, 0x58); } }
        public override byte[] HT_Trash { get => GetData(0xA8, 24); set { if (value.Length == 24) value.CopyTo(Data, 0xA8); } }
        public override byte[] OT_Trash { get => GetData(0xF8, 24); set { if (value.Length == 24) value.CopyTo(Data, 0xF8); } }
        public override bool WasLink => Met_Location == Locations.LinkGift6 && Gen6;
        public override bool WasEvent => Locations.IsEventLocation5(Met_Location) || FatefulEncounter;
        public override bool WasEventEgg => Generation < 5 ? base.WasEventEgg : (Locations.IsEventLocation5(Egg_Location) || (FatefulEncounter && Egg_Location == Locations.LinkTrade6)) && Met_Level == 1;

        // Maximums
        public override int MaxIV => 31;
        public override int MaxEV => 252;
        public override int OTLength => 12;
        public override int NickLength => 12;

        public override int PSV => (int)((PID >> 16 ^ (PID & 0xFFFF)) >> 4);
        public override int TSV => (TID ^ SID) >> 4;
        public override bool IsUntraded => Data[0xA8] == 0 && Data[0xA8 + 1] == 0 && Format == Generation; // immediately terminated HT_Name data (\0)

        // Complex Generated Attributes
        public override int Characteristic
        {
            get
            {
                int pm6 = (int)(EncryptionConstant % 6);
                int maxIV = MaximumIV;
                int pm6stat = 0;
                for (int i = 0; i < 6; i++)
                {
                    pm6stat = (pm6 + i) % 6;
                    if (GetIV(pm6stat) == maxIV)
                        break;
                }
                return (pm6stat * 5) + (maxIV % 5);
            }
        }

        // Methods
        protected override byte[] Encrypt()
        {
            RefreshChecksum();
            return PokeCrypto.EncryptArray8(Data);
        }

        public void FixRelearn()
        {
            while (true)
            {
                if (RelearnMove4 != 0 && RelearnMove3 == 0)
                {
                    RelearnMove3 = RelearnMove4;
                    RelearnMove4 = 0;
                }
                if (RelearnMove3 != 0 && RelearnMove2 == 0)
                {
                    RelearnMove2 = RelearnMove3;
                    RelearnMove3 = 0;
                    continue;
                }
                if (RelearnMove2 != 0 && RelearnMove1 == 0)
                {
                    RelearnMove1 = RelearnMove2;
                    RelearnMove2 = 0;
                    continue;
                }
                break;
            }
        }

        public void Trade(ITrainerInfo tr, int Day = 1, int Month = 1, int Year = 2015)
        {
            if (IsEgg)
            {
                // Eggs do not have any modifications done if they are traded
                // Apply link trade data, only if it left the OT (ignore if dumped & imported, or cloned, etc)
                if ((tr.OT != OT_Name) || (tr.TID != TID) || (tr.SID != SID) || (tr.Gender != OT_Gender))
                    SetLinkTradeEgg(Day, Month, Year, Locations.LinkTrade6);
                return;
            }

            // Process to the HT if the OT of the Pokémon does not match the SAV's OT info.
            if (!TradeOT(tr))
                TradeHT(tr);
        }

        public override uint EncryptionConstant { get => BitConverter.ToUInt32(Data, 0x00); set => BitConverter.GetBytes(value).CopyTo(Data, 0x00); }
        public override ushort Sanity { get => BitConverter.ToUInt16(Data, 0x04); set => BitConverter.GetBytes(value).CopyTo(Data, 0x04); }
        public override ushort Checksum { get => BitConverter.ToUInt16(Data, 0x06); set => BitConverter.GetBytes(value).CopyTo(Data, 0x06); }

        // Structure
        #region Block A
        public override int Species { get => BitConverter.ToUInt16(Data, 0x08); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x08); }
        public override int HeldItem { get => BitConverter.ToUInt16(Data, 0x0A); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x0A); }
        public override int TID { get => BitConverter.ToUInt16(Data, 0x0C); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x0C); }
        public override int SID { get => BitConverter.ToUInt16(Data, 0x0E); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x0E); }
        public override uint EXP { get => BitConverter.ToUInt32(Data, 0x10); set => BitConverter.GetBytes(value).CopyTo(Data, 0x10); }
        public override int Ability { get => BitConverter.ToUInt16(Data, 0x14); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x14); }
        public override int AbilityNumber { get => Data[0x16] & 7; set => Data[0x16] = (byte)((Data[0x16] & ~7) | (value & 7)); }
        public bool Favorite { get => (Data[0x16] & 8) != 0; set => Data[0x16] = (byte)((Data[0x16] & ~8) | ((value ? 1 : 0) << 3)); } // unused, was in LGPE but not in SWSH
        public bool CanGigantamax { get => (Data[0x16] & 16) != 0; set => Data[0x16] = (byte)((Data[0x16] & ~16) | (value ? 16 : 0)); }
        // 0x17 alignment unused
        public override int MarkValue { get => BitConverter.ToUInt16(Data, 0x18); protected set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x18); }
        // 0x1A alignment unused
        // 0x1B alignment unused
        public override uint PID { get => BitConverter.ToUInt32(Data, 0x1C); set => BitConverter.GetBytes(value).CopyTo(Data, 0x1C); }
        public override int Nature { get => Data[0x20]; set => Data[0x20] = (byte)value; }
        public override int StatNature { get => Data[0x21]; set => Data[0x21] = (byte)value; }
        public override bool FatefulEncounter { get => (Data[0x22] & 1) == 1; set => Data[0x22] = (byte)((Data[0x22] & ~0x01) | (value ? 1 : 0)); }
        public bool Flag2 { get => (Data[0x22] & 2) == 2; set => Data[0x22] = (byte)((Data[0x22] & ~0x02) | (value ? 2 : 0)); }
        public override int Gender { get => (Data[0x22] >> 2) & 0x3; set => Data[0x22] = (byte)((Data[0x22] & 0xF3) | (value << 2)); }
        // 0x23 alignment unused

        public override int Form { get => BitConverter.ToUInt16(Data, 0x24); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x24); }
        public override int EV_HP { get => Data[0x26]; set => Data[0x26] = (byte)value; }
        public override int EV_ATK { get => Data[0x27]; set => Data[0x27] = (byte)value; }
        public override int EV_DEF { get => Data[0x28]; set => Data[0x28] = (byte)value; }
        public override int EV_SPE { get => Data[0x29]; set => Data[0x29] = (byte)value; }
        public override int EV_SPA { get => Data[0x2A]; set => Data[0x2A] = (byte)value; }
        public override int EV_SPD { get => Data[0x2B]; set => Data[0x2B] = (byte)value; }
        public byte CNT_Cool   { get => Data[0x2C]; set => Data[0x2C] = value; }
        public byte CNT_Beauty { get => Data[0x2D]; set => Data[0x2D] = value; }
        public byte CNT_Cute   { get => Data[0x2E]; set => Data[0x2E] = value; }
        public byte CNT_Smart  { get => Data[0x2F]; set => Data[0x2F] = value; }
        public byte CNT_Tough  { get => Data[0x30]; set => Data[0x30] = value; }
        public byte CNT_Sheen  { get => Data[0x31]; set => Data[0x31] = value; }
        private byte PKRS { get => Data[0x32]; set => Data[0x32] = 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); }
        // 0x33 unused padding

        // ribbon u32
        public bool RibbonChampionKalos    { get => FlagUtil.GetFlag(Data, 0x34, 0); set => FlagUtil.SetFlag(Data, 0x34, 0, value); }
        public bool RibbonChampionG3       { get => FlagUtil.GetFlag(Data, 0x34, 1); set => FlagUtil.SetFlag(Data, 0x34, 1, value); }
        public bool RibbonChampionSinnoh   { get => FlagUtil.GetFlag(Data, 0x34, 2); set => FlagUtil.SetFlag(Data, 0x34, 2, value); }
        public bool RibbonBestFriends      { get => FlagUtil.GetFlag(Data, 0x34, 3); set => FlagUtil.SetFlag(Data, 0x34, 3, value); }
        public bool RibbonTraining         { get => FlagUtil.GetFlag(Data, 0x34, 4); set => FlagUtil.SetFlag(Data, 0x34, 4, value); }
        public bool RibbonBattlerSkillful  { get => FlagUtil.GetFlag(Data, 0x34, 5); set => FlagUtil.SetFlag(Data, 0x34, 5, value); }
        public bool RibbonBattlerExpert    { get => FlagUtil.GetFlag(Data, 0x34, 6); set => FlagUtil.SetFlag(Data, 0x34, 6, value); }
        public bool RibbonEffort           { get => FlagUtil.GetFlag(Data, 0x34, 7); set => FlagUtil.SetFlag(Data, 0x34, 7, value); }

        public bool RibbonAlert            { get => FlagUtil.GetFlag(Data, 0x35, 0); set => FlagUtil.SetFlag(Data, 0x35, 0, value); }
        public bool RibbonShock            { get => FlagUtil.GetFlag(Data, 0x35, 1); set => FlagUtil.SetFlag(Data, 0x35, 1, value); }
        public bool RibbonDowncast         { get => FlagUtil.GetFlag(Data, 0x35, 2); set => FlagUtil.SetFlag(Data, 0x35, 2, value); }
        public bool RibbonCareless         { get => FlagUtil.GetFlag(Data, 0x35, 3); set => FlagUtil.SetFlag(Data, 0x35, 3, value); }
        public bool RibbonRelax            { get => FlagUtil.GetFlag(Data, 0x35, 4); set => FlagUtil.SetFlag(Data, 0x35, 4, value); }
        public bool RibbonSnooze           { get => FlagUtil.GetFlag(Data, 0x35, 5); set => FlagUtil.SetFlag(Data, 0x35, 5, value); }
        public bool RibbonSmile            { get => FlagUtil.GetFlag(Data, 0x35, 6); set => FlagUtil.SetFlag(Data, 0x35, 6, value); }
        public bool RibbonGorgeous         { get => FlagUtil.GetFlag(Data, 0x35, 7); set => FlagUtil.SetFlag(Data, 0x35, 7, value); }

        public bool RibbonRoyal            { get => FlagUtil.GetFlag(Data, 0x36, 0); set => FlagUtil.SetFlag(Data, 0x36, 0, value); }
        public bool RibbonGorgeousRoyal    { get => FlagUtil.GetFlag(Data, 0x36, 1); set => FlagUtil.SetFlag(Data, 0x36, 1, value); }
        public bool RibbonArtist           { get => FlagUtil.GetFlag(Data, 0x36, 2); set => FlagUtil.SetFlag(Data, 0x36, 2, value); }
        public bool RibbonFootprint        { get => FlagUtil.GetFlag(Data, 0x36, 3); set => FlagUtil.SetFlag(Data, 0x36, 3, value); }
        public bool RibbonRecord           { get => FlagUtil.GetFlag(Data, 0x36, 4); set => FlagUtil.SetFlag(Data, 0x36, 4, value); }
        public bool RibbonLegend           { get => FlagUtil.GetFlag(Data, 0x36, 5); set => FlagUtil.SetFlag(Data, 0x36, 5, value); }
        public bool RibbonCountry          { get => FlagUtil.GetFlag(Data, 0x36, 6); set => FlagUtil.SetFlag(Data, 0x36, 6, value); }
        public bool RibbonNational         { get => FlagUtil.GetFlag(Data, 0x36, 7); set => FlagUtil.SetFlag(Data, 0x36, 7, value); }

        public bool RibbonEarth            { get => FlagUtil.GetFlag(Data, 0x37, 0); set => FlagUtil.SetFlag(Data, 0x37, 0, value); }
        public bool RibbonWorld            { get => FlagUtil.GetFlag(Data, 0x37, 1); set => FlagUtil.SetFlag(Data, 0x37, 1, value); }
        public bool RibbonClassic          { get => FlagUtil.GetFlag(Data, 0x37, 2); set => FlagUtil.SetFlag(Data, 0x37, 2, value); }
        public bool RibbonPremier          { get => FlagUtil.GetFlag(Data, 0x37, 3); set => FlagUtil.SetFlag(Data, 0x37, 3, value); }
        public bool RibbonEvent            { get => FlagUtil.GetFlag(Data, 0x37, 4); set => FlagUtil.SetFlag(Data, 0x37, 4, value); }
        public bool RibbonBirthday         { get => FlagUtil.GetFlag(Data, 0x37, 5); set => FlagUtil.SetFlag(Data, 0x37, 5, value); }
        public bool RibbonSpecial          { get => FlagUtil.GetFlag(Data, 0x37, 6); set => FlagUtil.SetFlag(Data, 0x37, 6, value); }
        public bool RibbonSouvenir         { get => FlagUtil.GetFlag(Data, 0x37, 7); set => FlagUtil.SetFlag(Data, 0x37, 7, value); }

        // ribbon u32
        public bool RibbonWishing          { get => FlagUtil.GetFlag(Data, 0x38, 0); set => FlagUtil.SetFlag(Data, 0x38, 0, value); }
        public bool RibbonChampionBattle   { get => FlagUtil.GetFlag(Data, 0x38, 1); set => FlagUtil.SetFlag(Data, 0x38, 1, value); }
        public bool RibbonChampionRegional { get => FlagUtil.GetFlag(Data, 0x38, 2); set => FlagUtil.SetFlag(Data, 0x38, 2, value); }
        public bool RibbonChampionNational { get => FlagUtil.GetFlag(Data, 0x38, 3); set => FlagUtil.SetFlag(Data, 0x38, 3, value); }
        public bool RibbonChampionWorld    { get => FlagUtil.GetFlag(Data, 0x38, 4); set => FlagUtil.SetFlag(Data, 0x38, 4, value); }
        public bool HasContestMemoryRibbon { get => FlagUtil.GetFlag(Data, 0x38, 5); set => FlagUtil.SetFlag(Data, 0x38, 5, value); }
        public bool HasBattleMemoryRibbon  { get => FlagUtil.GetFlag(Data, 0x38, 6); set => FlagUtil.SetFlag(Data, 0x38, 6, value); }
        public bool RibbonChampionG6Hoenn  { get => FlagUtil.GetFlag(Data, 0x38, 7); set => FlagUtil.SetFlag(Data, 0x38, 7, value); }

        public bool RibbonContestStar      { get => FlagUtil.GetFlag(Data, 0x39, 0); set => FlagUtil.SetFlag(Data, 0x39, 0, value); }
        public bool RibbonMasterCoolness   { get => FlagUtil.GetFlag(Data, 0x39, 1); set => FlagUtil.SetFlag(Data, 0x39, 1, value); }
        public bool RibbonMasterBeauty     { get => FlagUtil.GetFlag(Data, 0x39, 2); set => FlagUtil.SetFlag(Data, 0x39, 2, value); }
        public bool RibbonMasterCuteness   { get => FlagUtil.GetFlag(Data, 0x39, 3); set => FlagUtil.SetFlag(Data, 0x39, 3, value); }
        public bool RibbonMasterCleverness { get => FlagUtil.GetFlag(Data, 0x39, 4); set => FlagUtil.SetFlag(Data, 0x39, 4, value); }
        public bool RibbonMasterToughness  { get => FlagUtil.GetFlag(Data, 0x39, 5); set => FlagUtil.SetFlag(Data, 0x39, 5, value); }
        public bool RibbonChampionAlola    { get => FlagUtil.GetFlag(Data, 0x39, 6); set => FlagUtil.SetFlag(Data, 0x39, 6, value); }
        public bool RibbonBattleRoyale     { get => FlagUtil.GetFlag(Data, 0x39, 7); set => FlagUtil.SetFlag(Data, 0x39, 7, value); }

        public bool RibbonBattleTreeGreat  { get => FlagUtil.GetFlag(Data, 0x3A, 0); set => FlagUtil.SetFlag(Data, 0x3A, 0, value); }
        public bool RibbonBattleTreeMaster { get => FlagUtil.GetFlag(Data, 0x3A, 1); set => FlagUtil.SetFlag(Data, 0x3A, 1, value); }
        public bool RibbonChampionGalar    { get => FlagUtil.GetFlag(Data, 0x3A, 2); set => FlagUtil.SetFlag(Data, 0x3A, 2, value); }
        public bool RibbonTowerMaster      { get => FlagUtil.GetFlag(Data, 0x3A, 3); set => FlagUtil.SetFlag(Data, 0x3A, 3, value); }
        public bool RibbonMasterRank       { get => FlagUtil.GetFlag(Data, 0x3A, 4); set => FlagUtil.SetFlag(Data, 0x3A, 4, value); }
        public bool RibbonMarkLunchtime    { get => FlagUtil.GetFlag(Data, 0x3A, 5); set => FlagUtil.SetFlag(Data, 0x3A, 5, value); }
        public bool RibbonMarkSleepyTime   { get => FlagUtil.GetFlag(Data, 0x3A, 6); set => FlagUtil.SetFlag(Data, 0x3A, 6, value); }
        public bool RibbonMarkDusk         { get => FlagUtil.GetFlag(Data, 0x3A, 7); set => FlagUtil.SetFlag(Data, 0x3A, 7, value); }

        public bool RibbonMarkDawn         { get => FlagUtil.GetFlag(Data, 0x3B, 0); set => FlagUtil.SetFlag(Data, 0x3B, 0, value); }
        public bool RibbonMarkCloudy       { get => FlagUtil.GetFlag(Data, 0x3B, 1); set => FlagUtil.SetFlag(Data, 0x3B, 1, value); }
        public bool RibbonMarkRainy        { get => FlagUtil.GetFlag(Data, 0x3B, 2); set => FlagUtil.SetFlag(Data, 0x3B, 2, value); }
        public bool RibbonMarkStormy       { get => FlagUtil.GetFlag(Data, 0x3B, 3); set => FlagUtil.SetFlag(Data, 0x3B, 3, value); }
        public bool RibbonMarkSnowy        { get => FlagUtil.GetFlag(Data, 0x3B, 4); set => FlagUtil.SetFlag(Data, 0x3B, 4, value); }
        public bool RibbonMarkBlizzard     { get => FlagUtil.GetFlag(Data, 0x3B, 5); set => FlagUtil.SetFlag(Data, 0x3B, 5, value); }
        public bool RibbonMarkDry          { get => FlagUtil.GetFlag(Data, 0x3B, 6); set => FlagUtil.SetFlag(Data, 0x3B, 6, value); }
        public bool RibbonMarkSandstorm    { get => FlagUtil.GetFlag(Data, 0x3B, 7); set => FlagUtil.SetFlag(Data, 0x3B, 7, value); }
        public int RibbonCountMemoryContest { get => Data[0x3C]; set => HasContestMemoryRibbon = (Data[0x3C] = (byte)value) != 0; }
        public int RibbonCountMemoryBattle { get => Data[0x3D]; set => HasBattleMemoryRibbon = (Data[0x3D] = (byte)value) != 0; }
        // 0x3E padding
        // 0x3F padding

        // 0x40 Ribbon 1
        public bool RibbonMarkMisty        { get => FlagUtil.GetFlag(Data, 0x40, 0); set => FlagUtil.SetFlag(Data, 0x40, 0, value); }
        public bool RibbonMarkDestiny      { get => FlagUtil.GetFlag(Data, 0x40, 1); set => FlagUtil.SetFlag(Data, 0x40, 1, value); }
        public bool RibbonMarkFishing      { get => FlagUtil.GetFlag(Data, 0x40, 2); set => FlagUtil.SetFlag(Data, 0x40, 2, value); }
        public bool RibbonMarkCurry        { get => FlagUtil.GetFlag(Data, 0x40, 3); set => FlagUtil.SetFlag(Data, 0x40, 3, value); }
        public bool RibbonMarkUncommon     { get => FlagUtil.GetFlag(Data, 0x40, 4); set => FlagUtil.SetFlag(Data, 0x40, 4, value); }
        public bool RibbonMarkRare         { get => FlagUtil.GetFlag(Data, 0x40, 5); set => FlagUtil.SetFlag(Data, 0x40, 5, value); }
        public bool RibbonMarkRowdy        { get => FlagUtil.GetFlag(Data, 0x40, 6); set => FlagUtil.SetFlag(Data, 0x40, 6, value); }
        public bool RibbonMarkAbsentMinded { get => FlagUtil.GetFlag(Data, 0x40, 7); set => FlagUtil.SetFlag(Data, 0x40, 7, value); }

        public bool RibbonMarkJittery      { get => FlagUtil.GetFlag(Data, 0x41, 0); set => FlagUtil.SetFlag(Data, 0x41, 0, value); }
        public bool RibbonMarkExcited      { get => FlagUtil.GetFlag(Data, 0x41, 1); set => FlagUtil.SetFlag(Data, 0x41, 1, value); }
        public bool RibbonMarkCharismatic  { get => FlagUtil.GetFlag(Data, 0x41, 2); set => FlagUtil.SetFlag(Data, 0x41, 2, value); }
        public bool RibbonMarkCalmness     { get => FlagUtil.GetFlag(Data, 0x41, 3); set => FlagUtil.SetFlag(Data, 0x41, 3, value); }
        public bool RibbonMarkIntense      { get => FlagUtil.GetFlag(Data, 0x41, 4); set => FlagUtil.SetFlag(Data, 0x41, 4, value); }
        public bool RibbonMarkZonedOut     { get => FlagUtil.GetFlag(Data, 0x41, 5); set => FlagUtil.SetFlag(Data, 0x41, 5, value); }
        public bool RibbonMarkJoyful       { get => FlagUtil.GetFlag(Data, 0x41, 6); set => FlagUtil.SetFlag(Data, 0x41, 6, value); }
        public bool RibbonMarkAngry        { get => FlagUtil.GetFlag(Data, 0x41, 7); set => FlagUtil.SetFlag(Data, 0x41, 7, value); }

        public bool RibbonMarkSmiley       { get => FlagUtil.GetFlag(Data, 0x42, 0); set => FlagUtil.SetFlag(Data, 0x42, 0, value); }
        public bool RibbonMarkTeary        { get => FlagUtil.GetFlag(Data, 0x42, 1); set => FlagUtil.SetFlag(Data, 0x42, 1, value); }
        public bool RibbonMarkUpbeat       { get => FlagUtil.GetFlag(Data, 0x42, 2); set => FlagUtil.SetFlag(Data, 0x42, 2, value); }
        public bool RibbonMarkPeeved       { get => FlagUtil.GetFlag(Data, 0x42, 3); set => FlagUtil.SetFlag(Data, 0x42, 3, value); }
        public bool RibbonMarkIntellectual { get => FlagUtil.GetFlag(Data, 0x42, 4); set => FlagUtil.SetFlag(Data, 0x42, 4, value); }
        public bool RibbonMarkFerocious    { get => FlagUtil.GetFlag(Data, 0x42, 5); set => FlagUtil.SetFlag(Data, 0x42, 5, value); }
        public bool RibbonMarkCrafty       { get => FlagUtil.GetFlag(Data, 0x42, 6); set => FlagUtil.SetFlag(Data, 0x42, 6, value); }
        public bool RibbonMarkScowling     { get => FlagUtil.GetFlag(Data, 0x42, 7); set => FlagUtil.SetFlag(Data, 0x42, 7, value); }

        public bool RibbonMarkKindly       { get => FlagUtil.GetFlag(Data, 0x43, 0); set => FlagUtil.SetFlag(Data, 0x43, 0, value); }
        public bool RibbonMarkFlustered    { get => FlagUtil.GetFlag(Data, 0x43, 1); set => FlagUtil.SetFlag(Data, 0x43, 1, value); }
        public bool RibbonMarkPumpedUp     { get => FlagUtil.GetFlag(Data, 0x43, 2); set => FlagUtil.SetFlag(Data, 0x43, 2, value); }
        public bool RibbonMarkZeroEnergy   { get => FlagUtil.GetFlag(Data, 0x43, 3); set => FlagUtil.SetFlag(Data, 0x43, 3, value); }
        public bool RibbonMarkPrideful     { get => FlagUtil.GetFlag(Data, 0x43, 4); set => FlagUtil.SetFlag(Data, 0x43, 4, value); }
        public bool RibbonMarkUnsure       { get => FlagUtil.GetFlag(Data, 0x43, 5); set => FlagUtil.SetFlag(Data, 0x43, 5, value); }
        public bool RibbonMarkHumble       { get => FlagUtil.GetFlag(Data, 0x43, 6); set => FlagUtil.SetFlag(Data, 0x43, 6, value); }
        public bool RibbonMarkThorny       { get => FlagUtil.GetFlag(Data, 0x43, 7); set => FlagUtil.SetFlag(Data, 0x43, 7, value); }
        // 0x44 Ribbon 2

        public bool RibbonMarkVigor { get => FlagUtil.GetFlag(Data, 0x44, 0); set => FlagUtil.SetFlag(Data, 0x44, 0, value); }
        public bool RibbonMarkSlump { get => FlagUtil.GetFlag(Data, 0x44, 1); set => FlagUtil.SetFlag(Data, 0x44, 1, value); }
        public bool RIB44_2 { get => FlagUtil.GetFlag(Data, 0x44, 2); set => FlagUtil.SetFlag(Data, 0x44, 2, value); }
        public bool RIB44_3 { get => FlagUtil.GetFlag(Data, 0x44, 3); set => FlagUtil.SetFlag(Data, 0x44, 3, value); }
        public bool RIB44_4 { get => FlagUtil.GetFlag(Data, 0x44, 4); set => FlagUtil.SetFlag(Data, 0x44, 4, value); }
        public bool RIB44_5 { get => FlagUtil.GetFlag(Data, 0x44, 5); set => FlagUtil.SetFlag(Data, 0x44, 5, value); }
        public bool RIB44_6 { get => FlagUtil.GetFlag(Data, 0x44, 6); set => FlagUtil.SetFlag(Data, 0x44, 6, value); }
        public bool RIB44_7 { get => FlagUtil.GetFlag(Data, 0x44, 7); set => FlagUtil.SetFlag(Data, 0x44, 7, value); }

        public bool RIB45_0 { get => FlagUtil.GetFlag(Data, 0x45, 0); set => FlagUtil.SetFlag(Data, 0x45, 0, value); }
        public bool RIB45_1 { get => FlagUtil.GetFlag(Data, 0x45, 1); set => FlagUtil.SetFlag(Data, 0x45, 1, value); }
        public bool RIB45_2 { get => FlagUtil.GetFlag(Data, 0x45, 2); set => FlagUtil.SetFlag(Data, 0x45, 2, value); }
        public bool RIB45_3 { get => FlagUtil.GetFlag(Data, 0x45, 3); set => FlagUtil.SetFlag(Data, 0x45, 3, value); }
        public bool RIB45_4 { get => FlagUtil.GetFlag(Data, 0x45, 4); set => FlagUtil.SetFlag(Data, 0x45, 4, value); }
        public bool RIB45_5 { get => FlagUtil.GetFlag(Data, 0x45, 5); set => FlagUtil.SetFlag(Data, 0x45, 5, value); }
        public bool RIB45_6 { get => FlagUtil.GetFlag(Data, 0x45, 6); set => FlagUtil.SetFlag(Data, 0x45, 6, value); }
        public bool RIB45_7 { get => FlagUtil.GetFlag(Data, 0x45, 7); set => FlagUtil.SetFlag(Data, 0x45, 7, value); }

        public bool RIB46_0 { get => FlagUtil.GetFlag(Data, 0x41, 0); set => FlagUtil.SetFlag(Data, 0x41, 0, value); }
        public bool RIB46_1 { get => FlagUtil.GetFlag(Data, 0x46, 1); set => FlagUtil.SetFlag(Data, 0x46, 1, value); }
        public bool RIB46_2 { get => FlagUtil.GetFlag(Data, 0x46, 2); set => FlagUtil.SetFlag(Data, 0x46, 2, value); }
        public bool RIB46_3 { get => FlagUtil.GetFlag(Data, 0x46, 3); set => FlagUtil.SetFlag(Data, 0x46, 3, value); }
        public bool RIB46_4 { get => FlagUtil.GetFlag(Data, 0x46, 4); set => FlagUtil.SetFlag(Data, 0x46, 4, value); }
        public bool RIB46_5 { get => FlagUtil.GetFlag(Data, 0x46, 5); set => FlagUtil.SetFlag(Data, 0x46, 5, value); }
        public bool RIB46_6 { get => FlagUtil.GetFlag(Data, 0x46, 6); set => FlagUtil.SetFlag(Data, 0x46, 6, value); }
        public bool RIB46_7 { get => FlagUtil.GetFlag(Data, 0x46, 7); set => FlagUtil.SetFlag(Data, 0x46, 7, value); }

        public bool RIB47_0 { get => FlagUtil.GetFlag(Data, 0x47, 0); set => FlagUtil.SetFlag(Data, 0x47, 0, value); }
        public bool RIB47_1 { get => FlagUtil.GetFlag(Data, 0x47, 1); set => FlagUtil.SetFlag(Data, 0x47, 1, value); }
        public bool RIB47_2 { get => FlagUtil.GetFlag(Data, 0x47, 2); set => FlagUtil.SetFlag(Data, 0x47, 2, value); }
        public bool RIB47_3 { get => FlagUtil.GetFlag(Data, 0x47, 3); set => FlagUtil.SetFlag(Data, 0x47, 3, value); }
        public bool RIB47_4 { get => FlagUtil.GetFlag(Data, 0x47, 4); set => FlagUtil.SetFlag(Data, 0x47, 4, value); }
        public bool RIB47_5 { get => FlagUtil.GetFlag(Data, 0x47, 5); set => FlagUtil.SetFlag(Data, 0x47, 5, value); }
        public bool RIB47_6 { get => FlagUtil.GetFlag(Data, 0x47, 6); set => FlagUtil.SetFlag(Data, 0x47, 6, value); }
        public bool RIB47_7 { get => FlagUtil.GetFlag(Data, 0x47, 7); set => FlagUtil.SetFlag(Data, 0x47, 7, value); }

        public bool HasMark()
        {
            var d = Data;
            if ((BitConverter.ToUInt16(d, 0x3A) & 0xFFE0) != 0)
                return true;
            if (BitConverter.ToUInt32(d, 0x40) != 0)
                return true;
            return (d[0x44] & 3) != 0;
        }

        public uint Sociability { get => BitConverter.ToUInt32(Data, 0x48); set => BitConverter.GetBytes(value).CopyTo(Data, 0x48); }

        // 0x4C-0x4F unused

        public int HeightScalar { get => Data[0x50]; set => Data[0x50] = (byte)value; }
        public int WeightScalar { get => Data[0x51]; set => Data[0x51] = (byte)value; }

        // 0x52-0x57 unused

        #endregion
        #region Block B
        public override string Nickname
        {
            get => GetString(0x58, 24);
            set => SetString(value, 12).CopyTo(Data, 0x58);
        }

        // 2 bytes for \0, automatically handled above

        public override int Move1 { get => BitConverter.ToUInt16(Data, 0x72); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x72); }
        public override int Move2 { get => BitConverter.ToUInt16(Data, 0x74); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x74); }
        public override int Move3 { get => BitConverter.ToUInt16(Data, 0x76); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x76); }
        public override int Move4 { get => BitConverter.ToUInt16(Data, 0x78); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x78); }

        public override int Move1_PP    { get => Data[0x7A]; set => Data[0x7A] = (byte)value; }
        public override int Move2_PP    { get => Data[0x7B]; set => Data[0x7B] = (byte)value; }
        public override int Move3_PP    { get => Data[0x7C]; set => Data[0x7C] = (byte)value; }
        public override int Move4_PP    { get => Data[0x7D]; set => Data[0x7D] = (byte)value; }
        public override int Move1_PPUps { get => Data[0x7E]; set => Data[0x7E] = (byte)value; }
        public override int Move2_PPUps { get => Data[0x7F]; set => Data[0x7F] = (byte)value; }
        public override int Move3_PPUps { get => Data[0x80]; set => Data[0x80] = (byte)value; }
        public override int Move4_PPUps { get => Data[0x81]; set => Data[0x81] = (byte)value; }

        public override int RelearnMove1 { get => BitConverter.ToUInt16(Data, 0x82); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x82); }
        public override int RelearnMove2 { get => BitConverter.ToUInt16(Data, 0x84); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x84); }
        public override int RelearnMove3 { get => BitConverter.ToUInt16(Data, 0x86); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x86); }
        public override int RelearnMove4 { get => BitConverter.ToUInt16(Data, 0x88); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x88); }

        public override int Stat_HPCurrent { get => BitConverter.ToUInt16(Data, 0x8A); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x8A); }

        private uint IV32 { get => BitConverter.ToUInt32(Data, 0x8C); set => BitConverter.GetBytes(value).CopyTo(Data, 0x8C); }
        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); }

        public byte DynamaxLevel { get => Data[0x90]; set => Data[0x90] = value; }

        // 0x90-0x93 unused

        public override int Status_Condition { get => BitConverter.ToInt32(Data, 0x94); set => BitConverter.GetBytes(value).CopyTo(Data, 0x94); }
        public int Unk98 { get => BitConverter.ToInt32(Data, 0x98); set => BitConverter.GetBytes(value).CopyTo(Data, 0x98); }

        // 0x9C-0xA7 unused

        #endregion
        #region Block C
        public override string HT_Name { get => GetString(0xA8, 24); set => SetString(value, 12).CopyTo(Data, 0xA8); }
        public override int HT_Gender { get => Data[0xC2]; set => Data[0xC2] = (byte)value; }
        public int HT_Language { get => Data[0xC3]; set => Data[0xC3] = (byte)value; }
        public override int CurrentHandler { get => Data[0xC4]; set => Data[0xC4] = (byte)value; }
        // 0xC5 unused (alignment)
        public int HT_TrainerID { get => BitConverter.ToUInt16(Data, 0xC6); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0xC6); } // unused?
        public override int HT_Friendship { get => Data[0xC8]; set => Data[0xC8] = (byte)value; }
        public int HT_Intensity { get => Data[0xC9]; set => Data[0xC9] = (byte)value; }
        public int HT_Memory { get => Data[0xCA]; set => Data[0xCA] = (byte)value; }
        public int HT_Feeling { get => Data[0xCB]; set => Data[0xCB] = (byte)value; }
        public int HT_TextVar { get => BitConverter.ToUInt16(Data, 0xCC); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0xCC); }

        // 0xCE-0xDB unused

        public override byte Fullness { get => Data[0xDC]; set => Data[0xDC] = value; }
        public override byte Enjoyment { get => Data[0xDD]; set => Data[0xDD] = value; }
        public override int Version { get => Data[0xDE]; set => Data[0xDE] = (byte)value; }
        public int BattleVersion { get => Data[0xDF]; set => Data[0xDF] = (byte)value; }
        // public override int Region { get => Data[0xE0]; set => Data[0xE0] = (byte)value; }
        // public override int ConsoleRegion { get => Data[0xE1]; set => Data[0xE1] = (byte)value; }
        public override int Language { get => Data[0xE2]; set => Data[0xE2] = (byte)value; }
        public int UnkE3 { get => Data[0xE3]; set => Data[0xE3] = (byte)value; }
        public uint FormArgument { get => BitConverter.ToUInt32(Data, 0xE4); set => BitConverter.GetBytes(value).CopyTo(Data, 0xE4); }
        public byte FormArgumentRemain { get => (byte)FormArgument; set => FormArgument = (FormArgument & ~0xFFu) | value; }
        public byte FormArgumentElapsed { get => (byte)(FormArgument >> 8); set => FormArgument = (FormArgument & ~0xFF00u) | (uint)(value << 8); }
        public byte FormArgumentMaximum { get => (byte)(FormArgument >> 16); set => FormArgument = (FormArgument & ~0xFF0000u) | (uint)(value << 16); }
        public sbyte AffixedRibbon { get => (sbyte)Data[0xE8]; set => Data[0xE8] = (byte)value; } // selected ribbon
        // remainder unused

        #endregion
        #region Block D
        public override string OT_Name { get => GetString(0xF8, 24); set => SetString(value, 12).CopyTo(Data, 0xF8); }
        public override int OT_Friendship { get => Data[0x112]; set => Data[0x112] = (byte)value; }
        public int OT_Intensity { get => Data[0x113]; set => Data[0x113] = (byte)value; }
        public int OT_Memory { get => Data[0x114]; set => Data[0x114] = (byte)value; }
        // 0x115 unused align
        public int OT_TextVar { get => BitConverter.ToUInt16(Data, 0x116); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x116); }
        public int OT_Feeling { get => Data[0x118]; set => Data[0x118] = (byte)value; }
        public override int Egg_Year { get => Data[0x119]; set => Data[0x119] = (byte)value; }
        public override int Egg_Month { get => Data[0x11A]; set => Data[0x11A] = (byte)value; }
        public override int Egg_Day { get => Data[0x11B]; set => Data[0x11B] = (byte)value; }
        public override int Met_Year { get => Data[0x11C]; set => Data[0x11C] = (byte)value; }
        public override int Met_Month { get => Data[0x11D]; set => Data[0x11D] = (byte)value; }
        public override int Met_Day { get => Data[0x11E]; set => Data[0x11E] = (byte)value; }
        // 0x11F unused align
        public override int Egg_Location { get => BitConverter.ToUInt16(Data, 0x120); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x120); }
        public override int Met_Location { get => BitConverter.ToUInt16(Data, 0x122); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x122); }
        public override int Ball { get => Data[0x124]; set => Data[0x124] = (byte)value; }
        public override int Met_Level { get => Data[0x125] & ~0x80; set => Data[0x125] = (byte)((Data[0x125] & 0x80) | value); }
        public override int OT_Gender { get => Data[0x125] >> 7; set => Data[0x125] = (byte)((Data[0x125] & ~0x80) | (value << 7)); }
        public int HyperTrainFlags { get => Data[0x126]; set => Data[0x126] = (byte)value; }
        public bool HT_HP { get => ((HyperTrainFlags >> 0) & 1) == 1; set => HyperTrainFlags = (HyperTrainFlags & ~(1 << 0)) | ((value ? 1 : 0) << 0); }
        public bool HT_ATK { get => ((HyperTrainFlags >> 1) & 1) == 1; set => HyperTrainFlags = (HyperTrainFlags & ~(1 << 1)) | ((value ? 1 : 0) << 1); }
        public bool HT_DEF { get => ((HyperTrainFlags >> 2) & 1) == 1; set => HyperTrainFlags = (HyperTrainFlags & ~(1 << 2)) | ((value ? 1 : 0) << 2); }
        public bool HT_SPA { get => ((HyperTrainFlags >> 3) & 1) == 1; set => HyperTrainFlags = (HyperTrainFlags & ~(1 << 3)) | ((value ? 1 : 0) << 3); }
        public bool HT_SPD { get => ((HyperTrainFlags >> 4) & 1) == 1; set => HyperTrainFlags = (HyperTrainFlags & ~(1 << 4)) | ((value ? 1 : 0) << 4); }
        public bool HT_SPE { get => ((HyperTrainFlags >> 5) & 1) == 1; set => HyperTrainFlags = (HyperTrainFlags & ~(1 << 5)) | ((value ? 1 : 0) << 5); }

        public bool GetMoveRecordFlag(int index)
        {
            if ((uint) index > 112) // 14 bytes, 8 bits
                throw new ArgumentException(nameof(index));
            int ofs = index >> 3;
            return FlagUtil.GetFlag(Data, 0x127 + ofs, index & 7);
        }

        public void SetMoveRecordFlag(int index, bool value)
        {
            if ((uint)index > 112) // 14 bytes, 8 bits
                throw new ArgumentException(nameof(index));
            int ofs = index >> 3;
            FlagUtil.SetFlag(Data, 0x127 + ofs, index & 7, value);
        }

        public bool HasAnyMoveRecordFlag() => Array.FindIndex(Data, 0x127, 14, z => z != 0) >= 0;

        // Why did you mis-align this field, GameFreak?
        public ulong Tracker
        {
            get => BitConverter.ToUInt64(Data, 0x135);
            set => BitConverter.GetBytes(value).CopyTo(Data, 0x135);
        }

        #endregion
        #region Battle Stats
        public override int Stat_Level { get => Data[0x148]; set => Data[0x148] = (byte)value; }
        // 0x149 unused alignment
        public override int Stat_HPMax { get => BitConverter.ToUInt16(Data, 0x14A); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x14A); }
        public override int Stat_ATK { get => BitConverter.ToUInt16(Data, 0x14C); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x14C); }
        public override int Stat_DEF { get => BitConverter.ToUInt16(Data, 0x14E); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x14E); }
        public override int Stat_SPE { get => BitConverter.ToUInt16(Data, 0x150); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x150); }
        public override int Stat_SPA { get => BitConverter.ToUInt16(Data, 0x152); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x152); }
        public override int Stat_SPD { get => BitConverter.ToUInt16(Data, 0x154); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x154); }
        public int DynamaxType { get => BitConverter.ToUInt16(Data, 0x156); set => BitConverter.GetBytes((ushort)value).CopyTo(Data, 0x156); }
        #endregion

        public override int[] Markings
        {
            get
            {
                int[] marks = new int[8];
                int val = MarkValue;
                for (int i = 0; i < marks.Length; i++)
                    marks[i] = ((val >> (i * 2)) & 3) % 3;
                return marks;
            }
            set
            {
                if (value.Length > 8)
                    return;
                int v = 0;
                for (int i = 0; i < value.Length; i++)
                    v |= (value[i] % 3) << (i * 2);
                MarkValue = v;
            }
        }

        public void FixMemories()
        {
            if (IsEgg) // No memories if is egg.
            {
                HT_Language = HT_Friendship = HT_TextVar = HT_Memory = HT_Intensity = HT_Feeling =
                /* OT_Friendship */ OT_TextVar = OT_Memory = OT_Intensity = OT_Feeling = 0;

                // Clear Handler
                HT_Name = string.Empty.PadRight(11, '\0');
                return;
            }

            if (IsUntraded)
                HT_Language = HT_Friendship = HT_TextVar = HT_Memory = HT_Intensity = HT_Feeling = 0;

            int gen = Generation;
            if (gen < 6)
                OT_TextVar = OT_Memory = OT_Intensity = OT_Feeling = 0;
            if (gen != 8) // must be transferred via HOME, and must have memories
                TradeMemory();
        }

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

            CurrentHandler = 0;
            return true;
        }

        private void TradeHT(ITrainerInfo tr)
        {
            if (HT_Name != tr.OT)
            {
                HT_Friendship = 50;
                HT_Name = tr.OT;
            }
            CurrentHandler = 1;
            HT_Gender = tr.Gender;
            HT_Language = tr.Language;
        }

        // Misc Updates
        public static void TradeMemory()
        {
        }

        // Maximums
        public override int MaxMoveID => Legal.MaxMoveID_8;
        public override int MaxSpeciesID => Legal.MaxSpeciesID_8;
        public override int MaxAbilityID => Legal.MaxAbilityID_8;
        public override int MaxItemID => Legal.MaxItemID_8;
        public override int MaxBallID => Legal.MaxBallID_8;
        public override int MaxGameID => Legal.MaxGameID_8;

        public bool GetRibbon(int index) => FlagUtil.GetFlag(Data, GetRibbonByte(index), index & 7);
        public void SetRibbon(int index, bool value = true) => FlagUtil.SetFlag(Data, GetRibbonByte(index), index & 7, value);

        public int GetRibbonByte(int index)
        {
            if ((uint)index >= 128)
                throw new ArgumentOutOfRangeException(nameof(index));
            if (index < 64)
                return 0x34 + (index >> 3);
            index -= 64;
            return 0x40 + (index >> 3);
        }
    }
}