using EC.AutoWeightServer.Model.Config;
using EC.AutoWeightServer.Model.EventArgsEx;
using EC.Utils.SerialPortHelper;
using System;

namespace EC.AutoWeightServer.IfManager.Scales
{
	public class ScalesManager
	{
		public Scales Scales;
		private string _comName;
		private int _baudRate;
		private int _receivedBytesThreshold;
		private ECSerialPort _transmitPort;

		public ScalesManager()
		{
		}

		public ScalesManager(string comName, int baudRate)
		{
			_comName = comName;
			_baudRate = baudRate;
		}

		public ScalesManager(string comName, int baudRate, int receivedBytesThreshold)
		{
			_comName = comName;
			_baudRate = baudRate;
			_receivedBytesThreshold = receivedBytesThreshold;
		}

		#region Start & Stop

		public bool StartServer()
		{
			Scales = new ScalesZhuHai(_comName, _baudRate, _receivedBytesThreshold);
			Scales.OnRecData += RecData;
			if (ServerConfig.WtTransmitFlag > 0)
			{
				_transmitPort = SerialPortManager.CreateSerialPort(ServerConfig.WtTransmitCom, _baudRate);
				((ScalesZhuHai)Scales).OnRecTransmit += RecTransmit;
			}
			Scales.StartServer();
			return true;
		}

		public bool StopServer()
		{
			Scales?.StopServer();
			Scales = null;
			return true;
		}

		public bool IsOpen()
		{
			return Scales?.IsOpen() ?? false;
		}

		#endregion Start & Stop

		#region Rec Data

		public event EventHandler<decimal> OnRecData;

		private readonly object _lockWeightObj = new object();

		public void RecData(object sender, ScaleEventArgs scaleArgs)
		{
			lock (_lockWeightObj)
			{
				var weight = scaleArgs.Weight;
				OnRecData?.Invoke(sender, weight);
			}
		}

		public void RecTransmit(object sender, byte[] buf)
		{
			_transmitPort?.SendHex(buf);
		}

		#endregion Rec Data
	}
}