using BBWY.Client.APIServices;
using BBWY.Client.Models;
using BBWY.Client.Views;
using BBWY.Common.Extensions;
using BBWY.Common.Http;
using BBWY.Common.Models;
using GalaSoft.MvvmLight.Command;
using Microsoft.Web.WebView2.Core;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Net.Http;
using System.Threading;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;

namespace BBWY.Client.ViewModels
{
    public class MainViewModel : BaseVM, IDenpendency
    {
        #region Properties
        private IHttpClientFactory httpClientFactory;
        private MdsApiService mdsApiService;
        private LogisticsService logisticsService;
        private ShopService shopService;
        private MenuModel selectedMenuModel;
        private bool showShopChoosePanel;
        private bool showWB2RuntimeDownloadPanel;
        private double wb2DownloadProgress;
        private IList<string> managerDepartment;
        private WebView2Manager w2m;
        public GlobalContext GlobalContext { get; set; }
        public IList<MenuModel> MenuList { get; set; }

        public IList<Shop> ShopList { get; set; }

        public MenuModel SelectedMenuModel
        {
            get => selectedMenuModel;
            set
            {
                if (value == null)
                    return;
                Set(ref selectedMenuModel, value);
                foreach (var menu in MenuList)
                {
                    foreach (var cmenu in menu.ChildList)
                    {
                        if (!ReferenceEquals(value, cmenu))
                            cmenu.IsSelected = false;
                    }
                }
            }
        }

        /// <summary>
        /// 是否显示店铺选择列表
        /// </summary>
        public bool ShowShopChoosePanel { get => showShopChoosePanel; set { Set(ref showShopChoosePanel, value); } }

        /// <summary>
        /// 是否显示webview2 runtime下载面板
        /// </summary>
        public bool ShowWB2RuntimeDownloadPanel { get => showWB2RuntimeDownloadPanel; set { Set(ref showWB2RuntimeDownloadPanel, value); } }

        /// <summary>
        /// webview2 runtime下载进度
        /// </summary>
        public double Wb2DownloadProgress { get => wb2DownloadProgress; set { Set(ref wb2DownloadProgress, value); } }
        #endregion

        #region Commands
        public ICommand ClosingCommand { get; set; }

        //public ICommand ChooseShopCommand { get; set; }

        public ICommand OpenSelectShopCommand { get; set; }
        #endregion

        #region Methods
        public MainViewModel(GlobalContext globalContext,
                             MdsApiService mdsApiService,
                             LogisticsService logisticsService,
                             ShopService shopService,
                             IHttpClientFactory httpClientFactory,
                             WebView2Manager w2m)
        {
            this.w2m = w2m;
            this.managerDepartment = new List<string>() { "董事办", "财务部", "技术部", "总经办" };
            this.httpClientFactory = httpClientFactory;
            this.mdsApiService = mdsApiService;
            this.logisticsService = logisticsService;
            this.shopService = shopService;
            ClosingCommand = new RelayCommand<System.ComponentModel.CancelEventArgs>(Exit);
            //ChooseShopCommand = new RelayCommand<Shop>((s) => ChooseShop(s));
            OpenSelectShopCommand = new RelayCommand(OpenSelectShop);
            this.GlobalContext = globalContext;
            ShopList = new ObservableCollection<Shop>();
            MenuList = new ObservableCollection<MenuModel>()
            {
                new MenuModel()
                {
                    Name="订单管理",ChildList=new List<MenuModel>()
                    {
                        new MenuModel(){ Name="最近订单",Url="/Views/Order/OrderList.xaml" },
                        //new MenuModel(){ Name="售后管理",Url="/Views/Order/OrderList.xaml" }
                    }
                },
                new MenuModel()
                {
                    Name="商品管理",ChildList=new List<MenuModel>()
                    {
                        new MenuModel(){ Name="货源管理",Url="/Views/Ware/WareManager.xaml" },
                        new MenuModel(){ Name="产品库存",Url="/Views/Ware/WareStock.xaml" }
                    }
                },
                new MenuModel()
                {
                    Name="设置",ChildList=new List<MenuModel>()
                    {
                        new MenuModel(){ Name="店铺设置",Url="/Views/Setting/ShopSetting.xaml" },
                        new MenuModel(){ Name="团队配置",Url="/Views/Setting/TeamSetting.xaml" }
                    }
                },
                new MenuModel()
                {
                    Name="财务端",ChildList=new List<MenuModel>()
                    {
                         new MenuModel(){ Name="采购审计",Url="/Views/FinancialTerminal/ProcurementAudit.xaml" }
                         //new MenuModel(){ Name="补单审计",Url="/Views/FinancialTerminal/ShopSetting.xaml" },
                         //new MenuModel(){ Name="利润表",Url="/Views/FinancialTerminal/ShopSetting.xaml" }
                    }
                }
            };
            Task.Factory.StartNew(Login);

            if (!CheckWebview2Runtime())
            {
                //下载webview2 runtime
                Task.Factory.StartNew(DownloadWebview2Runtime);
            }
        }

        private void Exit(System.ComponentModel.CancelEventArgs e)
        {
            App.Current.Shutdown();
            //Environment.Exit(Environment.ExitCode);
        }

        private void Login()
        {
            try
            {
                Thread.Sleep(1000);

                var mdsUserResponse = mdsApiService.GetUserInfo(GlobalContext.UserToken);
                if (!mdsUserResponse.Success)
                    throw new Exception($"获取磨刀石用户信息失败 {mdsUserResponse.Msg}");

                GlobalContext.User = mdsUserResponse.Data.Map<User>();
#if RELEASE
                if (!managerDepartment.Contains(GlobalContext.User.TeamName)) //非管理账号,屏蔽财务端
                {
                    App.Current.Dispatcher.Invoke(() =>
                    {
                        MenuList.RemoveAt(MenuList.Count() - 1);
                    });
                }

#endif
                IList<Department> departmentList = null;

                if (!managerDepartment.Contains(GlobalContext.User.TeamName))
                {
                    var response = mdsApiService.GetShopDetailList();
                    if (!response.Success)
                        throw new Exception(response.Msg);
                    departmentList = response.Data;

                    if (departmentList.Count == 1 && departmentList[0].ShopList.Count == 1)
                    {
                        ShowShopChoosePanel = false;
                        ChooseShop(departmentList[0].ShopList[0], true);
                        return;
                    }
                    //var shopListResponse = mdsApiService.GetShopsByUserTeam(GlobalContext.User.Id);
                    //if (!shopListResponse.Success)
                    //    throw new Exception(shopListResponse.Msg);
                    //if (shopListResponse.Data == null || shopListResponse.Data.Count == 0)
                    //    throw new Exception("未绑定店铺");
                    //var shopList = shopListResponse.Data.Map<IList<Shop>>();
                    //if (shopList.Count == 1)
                    //{
                    //    ShowShopChoosePanel = false;
                    //    ChooseShop(shopList[0], true);
                    //    return;
                    //}
                    //else
                    //{
                    //    ShowShopChoosePanel = true;
                    //    departmentList = new List<Department>();
                    //    foreach (var shop in shopList)
                    //    {
                    //        var department = departmentList.FirstOrDefault(d => d.Id == shop.TeamId);
                    //        if (department == null)
                    //        {
                    //            department = new Department() { Id = shop.TeamId, Name = shop.TeamName };
                    //            departmentList.Add(department);
                    //        }
                    //        department.ShopList.Add(shop);
                    //    }
                    //}
                }
                else
                {
                    ShowShopChoosePanel = true;
                    var response = shopService.GetDepartmentList();
                    if (!response.Success)
                        throw new Exception(response.Msg);
                    departmentList = response.Data.Map<IList<Department>>();
                }

                GlobalContext.User.DepartmentList = departmentList;
                App.Current.Dispatcher.Invoke(() =>
                {
                    var selectShop = new SelectShop(departmentList);
                    if (selectShop.ShowDialog() == true)
                    {
                        ChooseShop(selectShop.Shop, true);
                    }
                    else
                    {
                        Environment.Exit(Environment.ExitCode);
                    }
                });
            }
            catch (Exception ex)
            {
                App.Current.Dispatcher.Invoke(() =>
                {
                    MessageBox.Show(ex.Message, "登录失败");
                });
                Environment.Exit(Environment.ExitCode);
            }
        }

        private void OpenSelectShop()
        {
            try
            {
                var selectShop = new SelectShop(GlobalContext.User.DepartmentList);
                if (selectShop.ShowDialog() == true)
                {
                    ChooseShop(selectShop.Shop, true);
                    var vm = App.Current.Resources["Locator"] as ViewModelLocator;
                    if (vm.IsCreateOrderList)
                        vm.OrderList.Refresh();
                    if (vm.IsCreateWareManager)
                        vm.WareManager.Refresh();
                    if (vm.IsCreateWareStock)
                        vm.WareStock.Refresh();

                    try
                    {
                        w2m.Close();
                    }
                    catch { }
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "切换失败");
            }
        }

        private void ChooseShop(Shop shop, bool _throw = false)
        {
            if (shop.ShopId == 0 ||
                string.IsNullOrEmpty(shop.AppKey) ||
                string.IsNullOrEmpty(shop.AppSecret) ||
                string.IsNullOrEmpty(shop.AppToken) ||
               (shop.Platform == Platform.京东 && string.IsNullOrEmpty(shop.VenderType)))
            {
                var error = $"{shop.ShopName} 店铺数据不完整";
                if (_throw)
                    throw new Exception(error);
                else
                {
                    MessageBox.Show(error, "选择店铺");
                    return;
                }
            }

            GlobalContext.User.Shop = shop;
            //ShowShopChoosePanel = false;
            Task.Factory.StartNew(GetLogisticsList);
        }

        private void GetLogisticsList()
        {
            var response = logisticsService.GetLogisticsList();
            if (!response.Success)
            {
                App.Current.Dispatcher.Invoke(() => MessageBox.Show(response.Msg, "获取物流公司"));
                return;
            }
            GlobalContext.LogisticsResponseList = response.Data;
        }

        private bool CheckWebview2Runtime()
        {
            bool isInstall = false;
            try
            {
                isInstall = !string.IsNullOrEmpty(CoreWebView2Environment.GetAvailableBrowserVersionString());
            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
            return isInstall;
        }

        private void DownloadWebview2Runtime()
        {
            ShowWB2RuntimeDownloadPanel = true;
            var dw = new HttpDownloader(httpClientFactory, null);
            dw.OnDownloadProgressChanged += Dw_OnDownloadProgressChanged;
            dw.OnDownloadComplated += Dw_OnDownloadComplated;
            var url = "https://msedge.sf.dl.delivery.mp.microsoft.com/filestreamingservice/files/f72be533-7a03-499e-be21-bfc3e89e9cd5/MicrosoftEdgeWebView2RuntimeInstallerX64.exe";
            dw.DownloadFile(url, System.IO.Path.GetTempPath(), "MicrosoftEdgeWebView2RuntimeInstallerX64.exe", null);
            dw.OnDownloadProgressChanged -= Dw_OnDownloadProgressChanged;
            dw.OnDownloadComplated -= Dw_OnDownloadComplated;
        }

        private void Dw_OnDownloadComplated(object sender, DownloadCompletedEventArgs e)
        {
            try
            {
                if (e.Error == null)
                {
                    System.Diagnostics.Process.Start(System.IO.Path.Combine(System.IO.Path.GetTempPath(), "MicrosoftEdgeWebView2RuntimeInstallerX64.exe"));
                    ShowWB2RuntimeDownloadPanel = false;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void Dw_OnDownloadProgressChanged(object sender, DownloadProgressChangedEventArgs e)
        {
            Wb2DownloadProgress = e.ProgressPercentage;
        }
        #endregion
    }
}