using Parser.BinaryParser;
using Parser.BinaryParser.MessageEntity;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace HengShan_Pump_NonIC
{
    public class Parser : ParserBase
    {
        public Parser() : base(new MessageTemplateLookup())
        {
        }

        public override byte[] Serialize(MessageTemplateBase message)
        {
            var bytesWithXRL = base.Serialize(message).ToList();
            if (message.GetType().GetProperty("XRL") != null)
            {
                ProcessXRLInMsgBody(ref bytesWithXRL);
            }

            return bytesWithXRL.ToArray();
        }

        private void ProcessXRLInMsgBody(ref List<byte> bytesWithXRL)
        {
            var bytesUsedToComputeXRL = bytesWithXRL.GetRange(2, bytesWithXRL.Count - 3).ToArray();
            byte XRL = 0;
            foreach (var b in bytesUsedToComputeXRL)
            {
                XRL = (byte)(XRL ^ b);
            }
            if (XRL == 0xFF)
                XRL = 0xEE;
            bytesWithXRL[bytesWithXRL.Count - 1] = XRL;
        }
    }
}