///
/// Copyright (c) 2017 Sensus Metering Systems
///
using System;
using System.Collections.Generic;
using log4net;
using Config.Entities;
using TBF.BenchControl;

namespace TBF.BenchControl.TestMethods.GrabImage
{
	public class Component : ComponentBase, GenericDevices.ITestMethod
	{
		private static readonly ILog log = LogManager.GetLogger(typeof(Component));
		public override string ToString() { return string.Format("TestMethods.LiveStream({0})", Cfg.ToString(1)); }

		public bool CanTest(MetersKind meters) { return true; }
        public bool DoTransitions() { return false; }

		readonly GrabImageCfg cfg;

		#region Configuration Change Handling

		public static void OnCfgChange(object sender, CfgChangeArgs args)
		{
			if (CfgChangeHandler == null) return;
			try { CfgChangeHandler(sender, args); }
			catch (Exception e) { log.Error("CfgChangeHandler(...) failed", e); }
		}

		public static event EventHandler<CfgChangeArgs> CfgChangeHandler;

		public override void StartChangeHandler()
		{
			CfgChangeHandler += delegate(object sender, CfgChangeArgs args)
			{
				GrabImageCfg tmpcfg = args.Cfg as GrabImageCfg;
				if (tmpcfg != null && tmpcfg.Name.Equals(Name))
				{
					if (args.Command == CfgChangeCmd.CfgChange)
					{
						cfg.ImageFileName = tmpcfg.ImageFileName;
						cfg.BlackAndWhite = tmpcfg.BlackAndWhite;
						cfg.LowResolution = tmpcfg.LowResolution;
						cfg.ImageRotation = tmpcfg.ImageRotation;
					}
				}
			};
		}

		#endregion Configuration Change Handling


		public Component()
		{
		}

		public Component(Generic.IComponentCfg cfg)
            : base(cfg)
		{
			this.cfg = cfg as GrabImageCfg;
			StartChangeHandler();
			log.Debug(this.ToString());
		}

        public IList<Event> Execute(Test test, int idummy, bool bdummy)
		{
			return (new GrabImageSeq()).Execute(test, cfg);
		}

	}
}