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

namespace PKHeX.Core;

public sealed class Situation7 : SaveBlock<SAV7>
{
    public Situation7(SAV7 sav, int offset) : base(sav) => Offset = offset;

    // "StartLocation"
    public int M { get => ReadUInt16LittleEndian(Data.AsSpan(Offset + 0x00)); set => WriteUInt16LittleEndian(Data.AsSpan(Offset + 0x00), (ushort)value); }
    public float X { get => ReadSingleLittleEndian(Data.AsSpan(Offset + 0x08)); set => WriteSingleLittleEndian(Data.AsSpan(Offset + 0x08), value); }
    public float Z { get => ReadSingleLittleEndian(Data.AsSpan(Offset + 0x10)); set => WriteSingleLittleEndian(Data.AsSpan(Offset + 0x10), value); }
    public float Y { get => (int)ReadSingleLittleEndian(Data.AsSpan(Offset + 0x18)); set => WriteSingleLittleEndian(Data.AsSpan(Offset + 0x18), value); }
    public float R { get => (int)ReadSingleLittleEndian(Data.AsSpan(Offset + 0x20)); set => WriteSingleLittleEndian(Data.AsSpan(Offset + 0x20), value); }

    public void UpdateOverworldCoordinates()
    {
        var o = SAV.Overworld;
        o.M = M;
        o.X = X;
        o.Z = Z;
        o.Y = Y;
        o.R = R;
    }

    public int SpecialLocation
    {
        get => Data[Offset + 0x24];
        set => Data[Offset + 0x24] = (byte)value;
    }

    public int WarpContinueRequest
    {
        get => Data[Offset + 0x6E];
        set => Data[Offset + 0x6E] = (byte)value;
    }

    public int StepCountEgg
    {
        get => ReadInt32LittleEndian(Data.AsSpan(Offset + 0x70));
        set => WriteInt32LittleEndian(Data.AsSpan(Offset + 0x70), value);
    }

    public int LastZoneID
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(Offset + 0x74));
        set => WriteUInt16LittleEndian(Data.AsSpan(Offset + 0x74), (ushort)value);
    }

    public int StepCountFriendship
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(Offset + 0x76));
        set => WriteUInt16LittleEndian(Data.AsSpan(Offset + 0x76), (ushort)value);
    }

    public int StepCountAffection // Kawaigari
    {
        get => ReadUInt16LittleEndian(Data.AsSpan(Offset + 0x78));
        set => WriteUInt16LittleEndian(Data.AsSpan(Offset + 0x78), (ushort)value);
    }
}