using MvCamCtrl.NET;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using TeamAAS_VP.Core.Cameras;
using TeamAAS_VP.Interfaces;
using TeamAAS_VP.Models;

namespace TeamAAS_VP.Core
{
    public class CameraService
    {
        private readonly Dictionary<Guid, ICamera> _CameraCollection;

        public CameraService()
        {
            _CameraCollection = new Dictionary<Guid, ICamera>();
        }
        public bool CreateCamera(Guid id, CameraInfo cameraInfo)
        {
            ICamera camera;
            if (cameraInfo.CameraBrand== Enums.CameraBrand.Basler_Pylon)
            {
                camera = new BaslerCamera(id, cameraInfo.CameraName, cameraInfo.SerialNumber);
            }
            else if (cameraInfo.CameraBrand == Enums.CameraBrand.HikRobot_MVS)
            {
                camera = new MvCamera(id, cameraInfo.CameraName, cameraInfo.SerialNumber);
            }
            else if (cameraInfo.CameraBrand == Enums.CameraBrand.IRayple)
            {
                camera = new AHuaCamera(id, cameraInfo.CameraName, cameraInfo.SerialNumber);
            }
            else if (cameraInfo.CameraBrand == Enums.CameraBrand.Cognex)
            {
                camera = new CognexCamera(id, cameraInfo.CameraName, cameraInfo.SerialNumber);
            }
            else if (cameraInfo.CameraBrand == Enums.CameraBrand.Galaxy)
            {
                camera = new GalaxyCamera(id, cameraInfo.CameraName, cameraInfo.SerialNumber);
            }
            else
            {
                camera = new MvCamera(id, cameraInfo.CameraName, cameraInfo.SerialNumber);
            }

            if (_CameraCollection.ContainsKey(id))
            {
                var currenCamera = _CameraCollection[id];
                currenCamera.CloseDevice();
            }
            else
            {
                _CameraCollection.Add(id, camera);
            }
            return true;
        }

        public Task<bool> CreateCameraAsync(Guid id, CameraInfo cameraInfo)
        {
            ICamera camera;
            if (cameraInfo.CameraBrand == Enums.CameraBrand.Basler_Pylon)
            {
                camera = new BaslerCamera(id, cameraInfo.CameraName, cameraInfo.SerialNumber);
            }
            else if (cameraInfo.CameraBrand == Enums.CameraBrand.HikRobot_MVS)
            {
                camera = new MvCamera(id, cameraInfo.CameraName, cameraInfo.SerialNumber);
            }
            else if (cameraInfo.CameraBrand == Enums.CameraBrand.IRayple)
            {
                camera = new AHuaCamera(id, cameraInfo.CameraName, cameraInfo.SerialNumber);
            }
            else if (cameraInfo.CameraBrand == Enums.CameraBrand.Cognex)
            {
                camera = new CognexCamera(id, cameraInfo.CameraName, cameraInfo.SerialNumber);
            }
            else if (cameraInfo.CameraBrand == Enums.CameraBrand.Galaxy)
            {
                camera = new GalaxyCamera(id, cameraInfo.CameraName, cameraInfo.SerialNumber);
            }
            else
            {
                camera = new MvCamera(id, cameraInfo.CameraName, cameraInfo.SerialNumber);
            }

            if (_CameraCollection.ContainsKey(id))
            {
                var currenCamera = _CameraCollection[id];
                currenCamera.CloseDevice();
            }
            else
            {
                _CameraCollection.Add(id, camera);
            }
            return Task.FromResult(true);
        }

        public ICamera GetCamera(Guid id)
        {
            return _CameraCollection[id];
        }

        public Task<ICamera> GetCameraAsync(Guid id)
        {
            return Task.FromResult(_CameraCollection[id]);
        }

        public void UnRegisterCamera(Guid id)
        {
            if (_CameraCollection.ContainsKey(id))
            {
                var camera = _CameraCollection[id];
                camera.CloseDevice();
            }
        }

        public Task UnRegisterCameraAsync(Guid id)
        {
            if (_CameraCollection.ContainsKey(id))
            {
                var camera = _CameraCollection[id];
                camera.CloseDevice();
            }
            return Task.CompletedTask;
        }

        public void Dispose()
        {
            foreach (var camera in _CameraCollection) 
            {
                try
                {
                    camera.Value.CloseDevice();
                }
                catch (Exception)
                {

                }
            }
        }
    }
}