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.ComponentModel;
using System.Diagnostics.Eventing.Reader;
using System.IO;
using System.Linq;
using TeamAAS_VP.Events;
using TeamAAS_VP.Core;
using TeamAAS_VP.Models;
using TeamAAS_VP;
using Cognex.VisionPro.ToolBlock;
using Cognex.VisionPro;

namespace TeamAAS_VP.ViewModels.Product
{
    public class ProcessBasicsViewModel : BindableBase
    {
        IRegionManager _regionManager;
        IEventAggregator _eventAggregator;
        IContainerProvider _container;
        IDialogService _dialogService;
        ProductsViewModel productsViewModel;
        #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);
                if (value == null)
                {
                    SelectRobot = null;
                    SelectFeeder = null;
                    SelectCalibration = null;
                }
                else
                {
                    SelectRobot = management.DeviceConfig.Robots.FirstOrDefault(p => p.Id == value.RobotId);
                    SelectFeeder = management.DeviceConfig.Feeders.FirstOrDefault(p => p.Id == value.FeederId);
                    SelectCalibration = management.DeviceConfig.Calibrations.FirstOrDefault(p => p.Id == value.CalibrationId);
                }
                
            }
        }

        private ObservableCollection<ProcedureModel> _ProcedureModels;

        /// <summary>
        /// 流程集合
        /// </summary>
        public ObservableCollection<ProcedureModel> ProcedureModels
        {
            get { return _ProcedureModels; }
            set { SetProperty(ref _ProcedureModels,value); }
        }

        private Management _management;

        public Management management
        {
            get { return _management; }
            set { SetProperty(ref _management,value); }
        }

        private RobotInfo _SelectRobot;

        public RobotInfo SelectRobot
        {
            get {
                if (SelectProcedure != null)
                {
                    if (SelectProcedure.RobotId == Guid.Empty)
                    {
                        return null;
                    }
                    else
                    {
                        return management.DeviceConfig.Robots.FirstOrDefault(p => p.Id == SelectProcedure.RobotId);
                    }
                }
                else
                {
                    return null;
                }
            }
            set { SetProperty(ref _SelectRobot, value);
                if (value == null)
                {
                    if (SelectProcedure!=null)
                    {
                        SelectProcedure.RobotId = Guid.Empty;
                    }
                    return;
                }
                if (SelectProcedure != null)
                    SelectProcedure.RobotId = value.Id;
            }
        }

        private FeederInfo _SelectFeeder;

        public FeederInfo SelectFeeder
        {
            get
            {
                if (SelectProcedure != null)
                {
                    if (SelectProcedure.FeederId==Guid.Empty)
                    {
                        return null;
                    }
                    else
                    {
                        return management.DeviceConfig.Feeders.FirstOrDefault(p => p.Id == SelectProcedure.FeederId);
                    }
                }
                else
                {
                    return null;
                }
            }
            set
            {
                SetProperty(ref _SelectFeeder, value);
                if (value == null)
                {
                    if (SelectProcedure != null)
                    {
                        SelectProcedure.FeederId = Guid.Empty;
                    }
                    
                    return;
                }
                if (SelectProcedure != null)
                    SelectProcedure.FeederId = value.Id;
            }
        }

        private CalibrationInfo _SelectCalibration;

        public CalibrationInfo SelectCalibration
        {
            get
            {
                if (SelectProcedure != null)
                {
                    return management.DeviceConfig.Calibrations.FirstOrDefault(p => p.Id == SelectProcedure.CalibrationId);
                }
                else
                {
                    return null;
                }
            }
            set
            {
                SetProperty(ref _SelectCalibration, value);
                if (value == null)
                    return;
                if (SelectProcedure != null)
                    SelectProcedure.CalibrationId = value.Id;
            }
        }

        private bool CanNext
        {
            get
            {
                if (SelectProcedure!=null && !string.IsNullOrEmpty(SelectProcedure.TriggerCommand))
                {
                    return true;
                }
                else
                {
                    return false;
                }
            }
        }
        #endregion

        #region 命令
        private DelegateCommand _NextCommand;
        public DelegateCommand NextCommand =>
            _NextCommand ?? (_NextCommand = new DelegateCommand(ExecuteNextCommand).ObservesCanExecute(()=> CanNext).ObservesProperty(()=> SelectProcedure).ObservesProperty(() => SelectProcedure.TriggerCommand));

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

        private DelegateCommand _PointPageCommand;
        public DelegateCommand PointPageCommand =>
            _PointPageCommand ?? (_PointPageCommand = new DelegateCommand(ExecutePointPageCommand));

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

        
        #endregion

        #region 事件

        #endregion

        public ProcessBasicsViewModel(IRegionManager regionManager, IEventAggregator ea, IContainerProvider container, IDialogService dialogService)
        {
            _regionManager = regionManager;
            _eventAggregator = ea;
            _container = container;
            _dialogService = dialogService;
            //订阅权限登录事件
            _eventAggregator.GetEvent<UserLoginNotification>().Subscribe(LoginChange);

            productsViewModel = _container.Resolve<ProductsViewModel>();
            SelectProduct = productsViewModel.SelectProduct;
            ProcedureModels=new ObservableCollection<ProcedureModel>();
            foreach (var item in SelectProduct.CameraProcedures)
            {
                foreach (var item1 in item.ProcedureModels)
                {
                    ProcedureModels.Add(item1);
                }
            }
            management= _container.Resolve<Management>();
            
        }

        #region 方法

        /// <summary>
        /// 窗体加载事件
        /// </summary>
        void ExecuteLoadedCommand()
        {
            if (_container.Resolve<Management>().CurrentUser.userPart == Enums.UserPart.Operator)
            {
                IsAllowEdit = false;
            }
            else
            {
                IsAllowEdit = true;
            }

            try
            {
                productsViewModel = _container.Resolve<ProductsViewModel>();
                SelectProduct = productsViewModel.SelectProduct;
                ProcedureModels = new ObservableCollection<ProcedureModel>();
                foreach (var item in SelectProduct.CameraProcedures)
                {
                    foreach (var item1 in item.ProcedureModels)
                    {
                        ProcedureModels.Add(item1);
                    }
                }
                management = _container.Resolve<Management>();
            }
            catch (Exception ex)
            {
                LogHelper.WriteLogError("流程基础界面-加载时出错", ex);
            }
        }

        /// <summary>
        /// 下一步
        /// </summary>
        void ExecuteNextCommand()
        {
            try
            {
                if(SelectProcedure==null)
                    return;

                if (SelectProduct.IsCreate && SelectProcedure.ToolBlock == null)
                {
                    SelectProcedure.ToolBlock = CogSerializer.LoadObjectFromFile(FilePath.SimpleProcedurePath) as CogToolBlock; 
                }
                else if (SelectProcedure.ToolBlock == null)
                {
                    string prcPath = FilePath.ProductsPath + "//" + SelectProduct.Name + "//" + SelectProcedure.CameraName + "//" + SelectProcedure.Name + ".vpp";
                    if (File.Exists(prcPath))
                    {
                        SelectProcedure.ToolBlock = CogSerializer.LoadObjectFromFile(prcPath) as CogToolBlock;
                    }
                    else
                    {
                        SelectProcedure.ToolBlock = CogSerializer.LoadObjectFromFile(FilePath.SimpleProcedurePath) as CogToolBlock;
                    }
                }

                _regionManager.RequestNavigate("ProductRegionContext", "CameraParams");
            }
            catch (Exception ex)
            {
                _eventAggregator.GetEvent<SnackbarMessageNotification>().Publish(new MessageParameter() { Msg = ex.Message, Duration = 1 });
                LogHelper.WriteLogError("产品配置-加载流程时出错",ex);
            }
            
        }

        /// <summary>
        /// 上一步
        /// </summary>
        void ExecuteBackCommand()
        {
            _regionManager.RequestNavigate("ProductRegionContext", "ProductProcessManage");
        }

        /// <summary>
        /// 跳转至点位界面
        /// </summary>
        void ExecutePointPageCommand()
        {
            _regionManager.RequestNavigate("ProductRegionContext", "RobotPointParams");
        }

        /// <summary>
        /// 流程选择
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        public void ComboBox_MouseDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            //ProcedureModels.Clear();
            //foreach (var item in SelectProduct.CameraProcedures)
            //{
            //    foreach (var item1 in item.ProcedureModels)
            //    {
            //        ProcedureModels.Add(item1);
            //    }
            //}
        }
        #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;
            }
        }
    }
}