PKHeX/PKHeX.Core/Saves/Substructures/Battle Videos/BattleVideo.cs

using System;
using System.Collections.Generic;

namespace PKHeX.Core;

public abstract class BattleVideo : IPokeGroup
{
    public abstract IReadOnlyList<PKM> BattlePKMs { get; }
    public abstract int Generation { get; }

    public IEnumerable<PKM> Contents => BattlePKMs;

    public static BattleVideo? GetVariantBattleVideo(byte[] data)
    {
        if (BV6.IsValid(data))
            return new BV6(data);
        if (BV7.IsValid(data))
            return new BV7(data);
        if (BV3.IsValid(data))
            return new BV3(data);
        return null;
    }

    public static bool IsValid(ReadOnlySpan<byte> data)
    {
        if (BV6.IsValid(data))
            return true;
        if (BV7.IsValid(data))
            return true;
        if (BV3.IsValid(data))
            return true;
        return false;
    }
}