using System;
using System.Collections.Generic;

namespace PKHeX.Core
{
    /// <summary>
    /// Generation 8 Trade Encounter
    /// </summary>
    /// <inheritdoc cref="EncounterTrade"/>
    public sealed record EncounterTrade8 : EncounterTrade, IDynamaxLevel, IRelearn, IMemoryOT
    {
        public override int Generation => 8;
        public override int Location => Locations.LinkTrade6NPC;
        public IReadOnlyList<int> Relearn { get; init; } = Array.Empty<int>();

        public ushort OT_TextVar { get; set; }
        public byte OT_Memory { get; set; }
        public byte OT_Feeling { get; set; }
        public byte OT_Intensity { get; set; }
        public byte DynamaxLevel { get; set; }
        public byte FlawlessIVCount { get; init; }
        public override Shiny Shiny { get; }

        public EncounterTrade8(GameVersion game, int species, byte level, byte memory, ushort arg, byte feel, byte intensity, Shiny shiny = Shiny.Never) : base(game)
        {
            Species = species;
            Level = level;
            Shiny = shiny;

            OT_Memory = memory;
            OT_TextVar = arg;
            OT_Feeling = feel;
            OT_Intensity = intensity;
        }

        public override bool IsMatchExact(PKM pkm, DexLevel evo)
        {
            if (pkm is IDynamaxLevel d && d.DynamaxLevel < DynamaxLevel)
                return false;
            if (pkm.FlawlessIVCount < FlawlessIVCount)
                return false;
            return base.IsMatchExact(pkm, evo);
        }

        protected override void ApplyDetails(ITrainerInfo sav, EncounterCriteria criteria, PKM pk)
        {
            base.ApplyDetails(sav, criteria, pk);
            pk.SetRelearnMoves(Relearn);

            var pk8 = (PK8)pk;
            pk8.DynamaxLevel = DynamaxLevel;
            pk8.HT_Language = (byte)sav.Language;
            pk8.OT_Memory = OT_Memory;
            pk8.OT_TextVar = OT_TextVar;
            pk8.OT_Feeling = OT_Feeling;
            pk8.OT_Intensity = OT_Intensity;
        }
    }
}