using System;
using System.Collections.Generic;

namespace Core.Io
{
    // The base class all future TZX blocks will inherit from
    public abstract class TzxBlock
    {
        public abstract int BlockId { get; }
    }

    // ID 0x10: Standard Speed Data Block
    public class StandardSpeedBlock : TzxBlock
    {
        public override int BlockId => 0x10;

        // How long to pause the tape in milliseconds after this block loads
        public ushort PauseAfterMs { get; set; }

        public ushort DataLength { get; set; }

        // The actual tape bytes
        public byte[] Data { get; set; } = Array.Empty<byte>();
    }

    // ID 0x32: Archive Info Block (Metadata)
    public class ArchiveInfoBlock : TzxBlock
    {
        public override int BlockId => 0x32;

        // Key: Text ID (e.g., 0 = Full Title, 1 = Software House, 2 = Publisher, 4 = Year)
        // Value: The actual text string
        public Dictionary<byte, string> Metadata { get; set; } = new Dictionary<byte, string>();
    }

    // ID 0x11: Turbo Speed Data Block
    public class TurboSpeedBlock : TzxBlock
    {
        public override int BlockId => 0x11;

        public ushort PilotPulseLength { get; set; }
        public ushort SyncFirstPulseLength { get; set; }
        public ushort SyncSecondPulseLength { get; set; }
        public ushort ZeroBitPulseLength { get; set; }
        public ushort OneBitPulseLength { get; set; }
        public ushort PilotToneLength { get; set; }
        public byte UsedBitsInLastByte { get; set; }
        public ushort PauseAfterMs { get; set; }

        // This is a 24-bit integer in the file, so we store it in a standard 32-bit int
        public int DataLength { get; set; }

        public byte[] Data { get; set; } = Array.Empty<byte>();
    }
}