using Cognex.VisionPro.PMAlign;
using Prism.Commands;
using Prism.Events;
using Prism.Ioc;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Windows;
using Team.FFFeederService;
using Team.FFFeederService.Interfaces;
using TeamAAS_VP;
using TeamAAS_VP.Core;
using TeamAAS_VP.Events;
using TeamAAS_VP.Interfaces;
using TeamAAS_VP.Models;
using TeamAAS_VP.Services;
using TeamAAS_VP.Views.Product;

namespace TeamAAS_VP.ViewModels.Product
{
    public class SimpleProcedureViewModel : BindableBase, IConfirmNavigationRequest
    {
        IRegionManager _regionManager;
        IEventAggregator _eventAggregator;
        IContainerProvider _container;
        IDialogService _dialogService;
        ICameraService _cameraService;
        IFeederService _feederService;
        ISystemDatabaseService _systemDatabaseService;

        #region 属性

        private ProductModel _SelectProduct;

        /// <summary>
        /// 选中的产品
        /// </summary>
        public ProductModel SelectProduct
        {
            get { return _SelectProduct; }
            set { SetProperty(ref _SelectProduct, value); }
        }

        private ProcedureModel _SelectProcedure;

        /// <summary>
        /// 选中的流程
        /// </summary>
        public ProcedureModel SelectProcedure
        {
            get { return _SelectProcedure; }
            set { SetProperty(ref _SelectProcedure, value); }
        }

        private CogPMAlignEditV2 _PMAlignEditV2;
        /// <summary>
        /// 模板匹配工具
        /// </summary>
        public CogPMAlignEditV2 PMAlignEditV2
        {
            get { return _PMAlignEditV2; }
            set { SetProperty(ref _PMAlignEditV2, value); }
        }

        private ICamera _Camera;

        public ICamera Camera
        {
            get { return _Camera; }
            set { SetProperty(ref _Camera, value); }
        }
        #endregion

        #region 命令
        private DelegateCommand _NextCommand;
        public DelegateCommand NextCommand =>
            _NextCommand ?? (_NextCommand = new DelegateCommand(ExecuteNextCommand));

        private DelegateCommand _BackCommand;
        public DelegateCommand BackCommand =>
            _BackCommand ?? (_BackCommand = new DelegateCommand(ExecuteBackCommand));

        private DelegateCommand _LoadedCommand;
        public DelegateCommand LoadedCommand =>
            _LoadedCommand ?? (_LoadedCommand = new DelegateCommand(ExecuteLoadedCommand));

        private DelegateCommand _RunProcedureCommand;
        public DelegateCommand RunProcedureCommand =>
            _RunProcedureCommand ?? (_RunProcedureCommand = new DelegateCommand(ExecuteRunProcedureCommand));

        
        #endregion

        #region 事件

        #endregion

        public SimpleProcedureViewModel(IRegionManager regionManager, IEventAggregator ea, IContainerProvider container, IDialogService dialogService,
            ICameraService cameraService,IFeederService feederService,ISystemDatabaseService systemDatabaseService)
        {
            _regionManager = regionManager;
            _eventAggregator = ea;
            _container = container;
            _dialogService = dialogService;
            _cameraService = cameraService;
            _feederService = feederService;
            _systemDatabaseService = systemDatabaseService;
            //订阅权限登录事件
            _eventAggregator.GetEvent<UserLoginNotification>().Subscribe(LoginChange);
        }

        #region 方法

        /// <summary>
        /// 下一步
        /// </summary>
        void ExecuteNextCommand()
        {
            if (SelectProcedure.FeederId==Guid.Empty)
            {
                _regionManager.RequestNavigate("ProductRegionContext", "ProcedureVisionOutput");
            }
            else
            {
                var management = _container.Resolve<Management>();
                var feederService = _feederService;
                var Feeder = feederService.GetFeeder(SelectProcedure.FeederId);
                NavigationParameters param = new NavigationParameters();
                param.Add("SelectProduct", SelectProduct);
                param.Add("SelectedProcedure", SelectProcedure);
                if (Feeder.FeederBrand == FeederBrand.AFAG)
                {
                    _regionManager.RequestNavigate("ProductRegionContext", "AfagFeederParams",param);
                }
                else
                {
                    _regionManager.RequestNavigate("ProductRegionContext", "FeederParams",param);
                }
            }
        }

        /// <summary>
        /// 上一步
        /// </summary>
        void ExecuteBackCommand()
        {
            NavigationParameters param = new NavigationParameters();
            param.Add("SelectProduct", SelectProduct);
            param.Add("SelectedProcedure", SelectProcedure);
            _regionManager.RequestNavigate("ProductRegionContext", "CameraParams", param);
        }

        void ExecuteLoadedCommand()
        {
            if (_systemDatabaseService.GetCurrentUser().userPart == Enums.UserPart.Operator)
            {
                IsAllowEdit = false;
            }
            else
            {
                IsAllowEdit = true;
            }
        }

        void ExecuteRunProcedureCommand()
        {
            try
            {
                SelectProcedure.ToolBlock.Inputs["InputImage"].Value = Camera.Grab();
                SelectProcedure.ToolBlock.Run();
            }
            catch (Exception ex)
            {
                LogHelper.WriteLogError("简单模式-运行流程时出错时出错", ex);
                _eventAggregator.GetEvent<SnackbarMessageNotification>().Publish(new MessageParameter() { Msg = ex.Message, Duration = 1 });
            }
        }
        #endregion

        #region 继承
        /// <summary>
        /// 确认导航请求时调用。此方法允许您在导航之前执行一些操作。
        /// </summary>
        /// <param name="navigationContext"></param>
        /// <param name="continuationCallback"></param>
        public void ConfirmNavigationRequest(NavigationContext navigationContext, Action<bool> continuationCallback)
        {
            continuationCallback(true);
        }

        /// <summary>
        /// 接收导航请求时调用。传入导航参数，包含有关导航目标的信息。
        /// </summary>
        /// <param name="navigationContext"></param>
        /// <exception cref="NotImplementedException"></exception>
        public async void OnNavigatedTo(NavigationContext navigationContext)
        {

            try
            {
                SelectProduct = navigationContext.Parameters.GetValue<ProductModel>("SelectProduct");
                SelectProcedure = navigationContext.Parameters.GetValue<ProcedureModel>("SelectedProcedure");

                foreach (var item in SelectProcedure.ToolBlock.Tools)
                {
                    if (item is CogPMAlignTool)
                    {
                        PMAlignEditV2.Subject = item as CogPMAlignTool;
                    }
                }

                Camera = _cameraService.GetCamera(SelectProcedure.CameraId);
            }
            catch (Exception ex)
            {
                LogHelper.WriteLogError("简单视觉流程界面进入时出错！", ex);
            }
        }

        /// <summary>
        /// 是否允许导航到此视图模型。
        /// </summary>
        /// <param name="navigationContext"></param>
        /// <returns></returns>
        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

        /// <summary>
        /// 导航离开此视图模型时调用。您可以在此处执行清理操作或保存状态。
        /// </summary>
        /// <param name="navigationContext"></param>
        public void OnNavigatedFrom(NavigationContext navigationContext)
        {

        }
        #endregion

        private bool _IsAllowEdit=false;

        public bool IsAllowEdit
        {
            get { return _IsAllowEdit; }
            set { SetProperty(ref _IsAllowEdit,value); }
        }

        private void LoginChange(Models.User user)
        {
            if (user.userPart==Enums.UserPart.Operator)
            {
                IsAllowEdit = false;
            }
            else 
            {
                IsAllowEdit = true;
            }
        }
    }
}