///
/// Copyright (c) 2017-2022 Sensus Slovensko a.s.
///
using System.Collections.Generic;
using log4net;
using Common;
using Config.Entities;
using TBF.UiBridge;

namespace TBF.Rig.TestMethods.LiveStream
{
	public class LiveStreamSeq : Sequences.SequenceBase
    {
		private static readonly ILog log = LogManager.GetLogger(typeof(LiveStreamSeq));

        /// <summary>
        /// Check capabilities of devces in the output path required for this test method
        /// </summary>
        /// <param name="devices">Devices</param>
        /// <returns>true when capabilities of devices are OK</returns>
        public static bool CheckDeviceCaps(Config.Entities.Test test, OutputPath devices, out string message)
        {
            message = string.Empty;
            return true;
        }

		public IList<Event> Execute(Test test, LiveStreamCfg cfg)
		{
			IList<Event> e = new List<Event>();             /// Events from currently running operations
            Event retVal = Event.Done;

            /// Operations
            checkUiOp = new Operations.CheckUIOp(true);

			IList<GenericDevices.ICamera> cameras = new List<GenericDevices.ICamera>();
			IList<IOperation> liveStreamOps = new List<IOperation>();

			foreach (var rr in sensPath.RegisterReaders)
			{
                if (rr is GenericDevices.IRegReaderStillCamera)
				{
					GenericDevices.ICamera camera = (rr as GenericDevices.IRegReaderStillCamera).Camera;
					if (!cameras.Contains(camera))
					{
                        if (cfg.TestParams != null && cfg.TestParams.ShowOverlayRect)
                        {
                            camera.ShowOverlayRect = true;
                            camera.OverlayRect = new System.Drawing.Rectangle(cfg.TestParams.OverlayLeft,
                                                                              cfg.TestParams.OverlayTop,
                                                                              cfg.TestParams.OverlayWidth,
                                                                              cfg.TestParams.OverlayHeight);
                            camera.OverlayThickness = cfg.TestParams.OverlayThickness;
                        }
						cameras.Add(camera);
						liveStreamOps.Add(camera.LiveStreamOp(cfg.HiResolution));
					}
				}
			}

			//------------------------------------------------
			Bridge.OnActivity(this, test.Method);
			//------------------------------------------------
			State.Create(string.Format("{0}({1}) : Live stream", test.Method, test.Name))
				 .AddOperation(checkUiOp)
				 .AddOperation(new Operations.MessageBoxOp(TBF.Resources.Strings.Camera))
				 .AddOperations(liveStreamOps)
				 .EnterState();
			do
			{
				e = StateMachine.WaitRunDevsRunOps();

				Bridge.OnTestProgress(this, new TestProgressEventArgs(test, 1, Progress.Test));

				if (e.Contains(Event.Error)) { retVal = Event.Error; break; }
				if (TestAndLogUiCmdStop(test, e)) { retVal = Event.UiCmdStop; break; }
			}
            while (!e.Contains(Event.OK));

            /// Turn the overlay in live images off
            foreach (var rr in sensPath.RegisterReaders)
            {
                if (rr is GenericDevices.IRegReaderStillCamera)
                {
                    (rr as GenericDevices.IRegReaderStillCamera).Camera.ShowOverlayRect = false;
                }
            }

			Bridge.OnTestProgress(this, new TestProgressEventArgs(test, 1, Progress.Completed));
            return new List<Event> { retVal };
        }
    }
}