using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;

namespace charger_gui.operations
{
	class CalibrateOperation : AutomaticOperation
	{
		const float SECONDS_TO_PASS = 10f;

		private int passed;
		private bool isComplete = false;
		public override string Status
		{
			get
			{
				if (isComplete) return "Calibrating complete in " + passed + " seconds";
				else return "Calibrating, passed " + passed + " seconds";
			}
		}

		public CalibrateOperation(Logger log, MainWindowViewModel model) : base(log, model)
		{
		}

		protected override void Work()
		{
			log.Log("Calibrating started");
			var start = DateTime.Now;
			model.IsCharging = false;
			model.IsLampOn = false;
			Thread.Sleep(500);
			float sum = 0;
			int cnt = 0;
			while (passed < SECONDS_TO_PASS)
			{
				Thread.Sleep(20);
				sum += model.IRaw;
				cnt++;
				passed = (int)((DateTime.Now - start).TotalSeconds);
				OnStatusChanged();
			}
			model.IZero = sum / cnt;
			log.Log("Calibrating complete in " + passed + " seconds");
			model.IsLampOn = false;
			isComplete = true;
			OnStatusChanged();
		}
	}
}