using EC.AutoWeightServer.Model.EventArgsEx;
using EC.Utils;
using System;
using System.Text;
using System.Text.RegularExpressions;

namespace EC.AutoWeightServer.IfManager.Scales
{
	public class ScalesDefault : Scales
	{
		public ScalesDefault()
		{
		}

		public ScalesDefault(string comName, int baudRate)
		{
			this.ComName = comName;
			this.BaudRate = baudRate;
		}

		public override event EventHandler<ScaleEventArgs> OnRecData;

		public override void RecData(object sender, byte[] buf)
		{
			var weightBuf = Encoding.UTF8.GetString(buf);
			var weightArgs = weightBuf.Split('\n');

			foreach (var weightArg in weightArgs)
			{
				var args = Regex.Split(weightArg.Trim(), @"\s+", RegexOptions.IgnoreCase);
				if (args.Length != 3)
					continue;
				if (!(args[0].Equals("+") ^ args[0].Equals("-")))
					continue;

				var weight = CommonUtil.WeightStrToDec(args[0] + args[1]);
				var units = args[2];
				if (weight <= 0)
					continue;

				var scaleArgs = new ScaleEventArgs(weight, units);

				OnRecData?.Invoke(sender, scaleArgs);
				break;
			}
		}
	}
}