using BBWY.Client.APIServices;
using BBWY.Client.Helpers;
using BBWY.Client.Models;
using BBWY.Client.Views.ServiceOrder;
using BBWY.Common.Extensions;
using BBWY.Common.Http;
using BBWY.Common.Models;
using BBWY.Controls;
using GalaSoft.MvvmLight.Command;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;

namespace BBWY.Client.ViewModels
{
    public class ServiceOrderViewModel : BaseVM, IDenpendency
    {
        private ServiceOrderService serviceOrderService;
        private IHttpClientFactory httpClientFactory;

        private bool isLoading;
        private ServiceOrderState? serviceOrderState;
        private ReturnDirection? returnDirection;
        private long serviceOrderCount;
        private int pageIndex;
        private int pageSize;
        private string orderId;
        private string spu;
        private string sku;
        private string serviceId;
        private DateTime? startDate;
        private DateTime? endDate;

        public bool IsLoading { get => isLoading; set { Set(ref isLoading, value); } }

        public ServiceOrderState? ServiceOrderState { get => serviceOrderState; set { Set(ref serviceOrderState, value); } }

        public ReturnDirection? ReturnDirection { get => returnDirection; set { Set(ref returnDirection, value); } }


        public ICommand SetServiceOrderStateCommand { get; set; }
        public ICommand SetReturnDirectionCommand { get; set; }
        public ICommand OnPageIndexChangedCommand { get; set; }
        public ICommand SetSearchDateCommand { get; set; }

        public ICommand SearchServiceOrderCommand { get; set; }

        public ICommand NavigateToDetailCommand { get; set; }

        public ICommand PreviewImgCommand { get; set; }

        public ICommand EditServiceOrderCommand { get; set; }

        public IList<ServiceOrder> ServiceOrderList { get; set; }

        public long ServiceOrderCount { get => serviceOrderCount; set { Set(ref serviceOrderCount, value); } }

        public int PageIndex { get => pageIndex; set { Set(ref pageIndex, value); } }

        public int PageSize { get => pageSize; set { Set(ref pageSize, value); } }

        public string OrderId { get => orderId; set { Set(ref orderId, value); } }

        public string Spu { get => spu; set { Set(ref spu, value); } }

        public string Sku { get => sku; set { Set(ref sku, value); } }

        public string ServiceId { get => serviceId; set { Set(ref serviceId, value); } }

        public DateTime? StartDate { get => startDate; set { Set(ref startDate, value); } }

        public DateTime? EndDate { get => endDate; set { Set(ref endDate, value); } }

        public GlobalContext GlobalContext { get; set; }

        public ServiceOrderViewModel(ServiceOrderService serviceOrderService, GlobalContext globalContext, IHttpClientFactory httpClientFactory)
        {
            this.httpClientFactory = httpClientFactory;
            this.serviceOrderService = serviceOrderService;
            SetServiceOrderStateCommand = new RelayCommand<ServiceOrderState?>(SetServiceOrderState);
            SetReturnDirectionCommand = new RelayCommand<ReturnDirection?>(SetReturnDirection);
            CopyTextCommand = new RelayCommand<string>(s => { try { Clipboard.SetText(s); } catch (Exception ex) { } });
            SetSearchDateCommand = new RelayCommand<int>(SetSearchDate);
            SearchServiceOrderCommand = new RelayCommand(InitQueryServiceOrder);
            NavigateToDetailCommand = new RelayCommand<string>(NavigateToDetail);
            OnPageIndexChangedCommand = new RelayCommand<PageArgs>(OnPageIndexChanged);
            PreviewImgCommand = new RelayCommand<string>(PreviewImg);
            EditServiceOrderCommand = new RelayCommand<ServiceOrder>(OpenEditServiceOrder);
            ServiceOrderList = new ObservableCollection<ServiceOrder>() { new ServiceOrder(), new ServiceOrder(), new ServiceOrder() };
            PageSize = 10;
            GlobalContext = globalContext;
            EndDate = DateTime.Now.Date;
            StartDate = DateTime.Now.Date.AddDays(-15);
            InitQueryServiceOrder();
        }

        private void InitQueryServiceOrder()
        {
            PageIndex = 1;
            Task.Factory.StartNew(() => QueryServiceOrder(PageIndex));
        }

        private void SetSearchDate(int d)
        {
            EndDate = d == 1 ? DateTime.Now.Date.AddDays(-1) : DateTime.Now;
            StartDate = DateTime.Now.Date.AddDays(d * -1);
            InitQueryServiceOrder();
        }

        private void SetServiceOrderState(ServiceOrderState? state)
        {
            this.ServiceOrderState = state;
            //query
            InitQueryServiceOrder();
        }

        private void SetReturnDirection(ReturnDirection? returnDirection)
        {
            this.ReturnDirection = returnDirection;
            //query
            InitQueryServiceOrder();
        }

        private void QueryServiceOrder(int pageIndex)
        {
            IsLoading = true;
            var response = serviceOrderService.GetList(OrderId, Sku, Spu, ServiceId, GlobalContext.User.Shop.ShopId.ToString(), ServiceOrderState, ReturnDirection, pageIndex, PageSize, StartDate, EndDate);
            if (!response.Success)
            {
                IsLoading = false;
                App.Current.Dispatcher.Invoke(() =>
                {
                    MessageBox.Show(response.Msg, "提示");
                    return;
                });
            }

            IsLoading = false;
            ServiceOrderCount = response.Data.Count;
            App.Current.Dispatcher.Invoke(() => ServiceOrderList.Clear());

            if (response.Data.Items == null || response.Data.Items.Count() == 0)
                return;

            var list = response.Data.Items.Map<IList<ServiceOrder>>();

            App.Current.Dispatcher.Invoke(() =>
            {
                foreach (var s in list)
                {
                    #region Test
                    //转换ImageName
                    //if (int.Parse(s.ServiceId) % 2 == 0)
                    //{
                    //    s.ProductPackage = ProductPackage.新; s.ImageName = "20230317071208762563,8d58b491-7859-4187-9f43-4fd177a0f25f,b0df0763-9cf4-40ca-a1fc-57695e4b8d33";
                    //}
                    #endregion

                    s.Init();
                    ServiceOrderList.Add(s);
                }
            });
        }

        private void NavigateToDetail(string serviceId)
        {
            var url = $"https://sh.shop.jd.com/afs/detail/waitReceive?afsApplyId=undefined&afsServiceId={serviceId}";
            try
            {
                //System.Diagnostics.Process.Start("explorer.exe", url);
                ShellExecuteHelper.ShellExecute(IntPtr.Zero, "open", url, string.Empty, string.Empty, ShellExecuteHelper.ShowCommands.SW_SHOWNORMAL);
            }
            catch (Exception ex)
            {
                Clipboard.SetText(url);
                MessageBox.Show($"{ex.Message}\r\n调用浏览器失败,网页链接已复制到剪切板,请手动打开浏览器访问", "提示");
            }
        }

        private void OnPageIndexChanged(PageArgs pageArgs)
        {
            Task.Factory.StartNew(() => QueryServiceOrder(pageArgs.PageIndex));
        }

        private void PreviewImg(string thumbnailImg)
        {
            var fullUrl = thumbnailImg.Substring(0, thumbnailImg.IndexOf("?"));
            var fileName = fullUrl.Substring(fullUrl.LastIndexOf("/") + 1);
            var localPath = Path.Combine(Path.GetTempPath(), fileName);
            if (!File.Exists(localPath))
            {
                IsLoading = true;
                var downloader = new HttpDownloader(httpClientFactory);
                downloader.OnDownloadComplated += (s, e) =>
                {
                    IsLoading = false;
                    if (e.Error != null)
                    {
                        App.Current.Dispatcher.Invoke(() => MessageBox.Show(e.Error.Message));
                        return;
                    }
                    CallWindowsPhoto(localPath);
                };
                Task.Factory.StartNew(() => downloader.DownloadFile(fullUrl, Path.GetTempPath(), fileName, null));
            }
            else
            {
                CallWindowsPhoto(localPath);
            }
        }

        private void CallWindowsPhoto(string path)
        {
            //建立新的系统进程      
            try
            {
                System.Diagnostics.Process process = new System.Diagnostics.Process();

                //设置图片的真实路径和文件名      
                process.StartInfo.FileName = path;

                //设置进程运行参数，这里以最大化窗口方法显示图片。      
                process.StartInfo.Arguments = "rundl132.exe C://WINDOWS//system32//shimgvw.dll,ImageView_Fullscreen";

                //此项为是否使用Shell执行程序，因系统默认为true，此项也可不设，但若设置必须为true      
                process.StartInfo.UseShellExecute = true;

                //此处可以更改进程所打开窗体的显示样式，可以不设      
                process.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
                process.Start();
                process.Close();
            }
            catch (Exception ex)
            {
                App.Current.Dispatcher.Invoke(() => MessageBox.Show($"打开照片查看器失败 {ex.Message}"));
            }
        }

        private void OpenEditServiceOrder(ServiceOrder serviceOrder)
        {
            var w = new EditServiceOrder(serviceOrder);
            var r = w.ShowDialog();
            if (r == true)
            {
                IsLoading = true;
                Task.Factory.StartNew(() => RefreshServiceOrder(serviceOrder));
            }
        }

        private void RefreshServiceOrder(long servicePId)
        {
            var order = ServiceOrderList.FirstOrDefault(s => s.Id == servicePId);
            RefreshServiceOrder(order);
        }

        private void RefreshServiceOrder(ServiceOrder serviceOrder)
        {
            var serviceOrderResponse = serviceOrderService.GetList(string.Empty, string.Empty, string.Empty, serviceOrder.ServiceId, serviceOrder.ShopId, null, null, 1, 1, null, null);
            IsLoading = false;
            if (!serviceOrderResponse.Success)
            {
                Application.Current.Dispatcher.Invoke(() => MessageBox.Show(serviceOrderResponse.Msg, "刷新服务单"));
                return;
            }

            var newServiceOrder = serviceOrderResponse.Data.Items.FirstOrDefault().Map<ServiceOrder>();
            newServiceOrder.Init();

            Application.Current.Dispatcher.Invoke(() =>
            {
                var orderIndex = ServiceOrderList.IndexOf(serviceOrder);
                ServiceOrderList.Remove(serviceOrder);
                ServiceOrderList.Insert(orderIndex, newServiceOrder);
            });
        }
    }
}