using Cognex.VisionPro.ToolBlock;
using MaterialDesignThemes.Wpf;
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 Team.FFFeederService.Models;
using TeamAAS_VP;
using TeamAAS_VP.Controls;
using TeamAAS_VP.Core;
using TeamAAS_VP.Enums;
using TeamAAS_VP.Events;
using TeamAAS_VP.Interfaces;
using TeamAAS_VP.Models;
using TeamAAS_VP.Models.Product;
using TeamAAS_VP.Resources.Languages;
using TeamAAS_VP.Views.Product;

namespace TeamAAS_VP.ViewModels.Product
{
    public class ProcedureVisionOutputViewModel : BindableBase, IConfirmNavigationRequest
    {
        IRegionManager _regionManager;
        IEventAggregator _eventAggregator;
        IContainerProvider _container;
        IDialogService _dialogService;
        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 ObservableCollection<ProcedureOutput> _Outputs;

        /// <summary>
        /// VM流程输出集合
        /// </summary>
        public ObservableCollection<ProcedureOutput> Outputs
        {
            get { return _Outputs; }
            set { SetProperty(ref _Outputs, value); }
        }

        private ProcedureOutput _SelectOutput;

        /// <summary>
        /// 选中的流程输出
        /// </summary>
        public ProcedureOutput SelectOutput
        {
            get { return _SelectOutput; }
            set { SetProperty(ref _SelectOutput, value); }
        }

        private ProcedureOutput _SelectOutput1;

        /// <summary>
        /// 选中的流程输出
        /// </summary>
        public ProcedureOutput SelectOutput1
        {
            get { return _SelectOutput1; }
            set { SetProperty(ref _SelectOutput1, 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 _AddOutputCommand;
        public DelegateCommand AddOutputCommand =>
            _AddOutputCommand ?? (_AddOutputCommand = new DelegateCommand(ExecuteAddOutputCommand, () => { return SelectOutput != null ? true : false; }).ObservesProperty(()=> SelectOutput));

        private DelegateCommand<object> _RemoveOutputCommand;
        public DelegateCommand<object> RemoveOutputCommand =>
            _RemoveOutputCommand ?? (_RemoveOutputCommand = new DelegateCommand<object>(ExecuteRemoveOutputCommand, p => { return SelectOutput1 != null ? true : false; })).ObservesProperty(() => SelectOutput1);
        #endregion

        #region 事件

        #endregion

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

        #region 方法

        /// <summary>
        /// 添加输出
        /// </summary>
        void ExecuteAddOutputCommand()
        {
            try
            {
                if (SelectOutput == null) return;
                if (SelectProcedure.ProcedureOutputs.FirstOrDefault(p=>p.Name== SelectOutput.Name) != null)
                    return;
                if (SelectProcedure.ProcedureOutputs == null)
                    SelectProcedure.ProcedureOutputs = new ObservableCollection<ProcedureOutput>();
                if (SelectOutput.Name.Contains("Point"))
                {
                    if (SelectProcedure.CalibrationId != Guid.Empty)
                    {
                        SelectOutput.IsPointTran = true;
                    }
                }
                SelectProcedure.ProcedureOutputs.Add(SelectOutput);
            }
            catch (Exception ex)
            {
                LogHelper.WriteLogError(Lang.流程视觉输出添加输出时出错, ex);
            }
        }

        /// <summary>
        /// 移除输出
        /// </summary>
        void ExecuteRemoveOutputCommand(object index)
        {
            try
            {
                if ((int)index < 0) return;
                if (SelectProcedure.ProcedureOutputs == null)
                    SelectProcedure.ProcedureOutputs = new ObservableCollection<ProcedureOutput>();
                SelectProcedure.ProcedureOutputs.RemoveAt((int)index);
            }
            catch (Exception ex)
            {
                LogHelper.WriteLogError(Lang.流程视觉输出移除输出时出错, ex);
            }
        }

        /// <summary>
        /// 下一步
        /// </summary>
        void ExecuteNextCommand()
        {
            NavigationParameters param = new NavigationParameters();
            param.Add("SelectProduct", SelectProduct);
            param.Add("SelectedProcedure", SelectProcedure);
            _regionManager.RequestNavigate("ProductRegionContext", "ProcedureParams", param);
        }

        /// <summary>
        /// 上一步
        /// </summary>
        void ExecuteBackCommand()
        {
            NavigationParameters param = new NavigationParameters();
            param.Add("SelectProduct", SelectProduct);
            param.Add("SelectedProcedure", SelectProcedure);
            if (SelectProcedure.FeederId == Guid.Empty)
            {
                if (SelectProcedure.VisionModel == Enums.VisionModel.Simple)
                {
                    _regionManager.RequestNavigate("ProductRegionContext", "SimpleProcedure", param);
                }
                else
                {
                    _regionManager.RequestNavigate("ProductRegionContext", "AdvancedProcedure", param);
                }
            }
            else
            {
                var Feeder = _feederService.GetFeeder(SelectProcedure.FeederId);
                if (Feeder.FeederBrand==FeederBrand.AFAG)
                {
                    _regionManager.RequestNavigate("ProductRegionContext", "AfagFeederParams", param);
                }
                else
                {
                    _regionManager.RequestNavigate("ProductRegionContext", "FeederParams", param);
                }
            }
        }

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

                Outputs = new ObservableCollection<ProcedureOutput>();
                if (SelectProcedure.ToolBlock!=null)
                {
                    CogToolBlockTerminalCollection outputCollection = SelectProcedure.ToolBlock.Outputs;
                    foreach (CogToolBlockTerminal output in outputCollection)
                    {
                        Outputs.Add(new ProcedureOutput() { Name = output.Name, ValueType = output.ValueType });
                    }
                }
            }
            catch (Exception ex)
            {
                LogHelper.WriteLogError(Lang.高级视觉界面进入时出错, 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;
            }
        }
    }
}