namespace YD_TrainingCompetition_Api.Protocols;

public sealed class JumpProtocolParser : IJumpProtocolParser
{
    public bool TryParse(ReadOnlySpan<byte> frame, out JumpFrame? parsed)
    {
        parsed = null;

        if (frame.Length < 12)
        {
            return false;
        }

        if (frame[0] != 0xAA || frame[11] != 0x55)
        {
            return false;
        }

        if (frame[1] != 0x00 && frame[1] != 0xAA)
        {
            return false;
        }

        parsed = new JumpFrame
        {
            DeviceNo = frame[2],
            Counter = frame[3] * 256 + frame[4],
            Battery = frame[5],
            Mode = frame[6],
            RemainingSeconds = frame[7] * 256 + frame[8]
        };

        return true;
    }
}