using BBWYB.Client.APIServices;
using BBWYB.Client.Models;
using BBWYB.Client.Views.Order;
using BBWYB.Client.Views.PackPurchaseTaska;
using BBWYB.Common.Extensions;
using BBWYB.Common.Models;
using CommunityToolkit.Mvvm.Input;
using CommunityToolkit.Mvvm.Messaging;
using SJ.Controls;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Globalization;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;

namespace BBWYB.Client.ViewModels
{
    public class OrderViewModel : BaseVM, IDenpendency
    {
        private bool isLoading;
        private DateTime startDate;
        private DateTime endDate;
        private int pageIndex = 1;
        private int pageSize = 10;
        private long orderCount;
        private OrderState? orderState;
        private string searchSku;
        private string searchProductId;
        private string searchOrderId;
        private string searchPurchaseOrderId;
        private string searchSourceShopName;
        private string searchSourceSku;
        private bool excludeCanceled;
        private GlobalContext globalContext;
        private OrderService orderService;
        private bool isWaitConfig;

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

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

        public DateTime EndDate { get => endDate; set { SetProperty(ref endDate, value); } }
        public int PageIndex { get => pageIndex; set { SetProperty(ref pageIndex, value); } }
        public int PageSize { get => pageSize; set { SetProperty(ref pageSize, value); } }
        public long OrderCount { get => orderCount; set { SetProperty(ref orderCount, value); } }
        public OrderState? OrderState { get => orderState; set { SetProperty(ref orderState, value); } }
        public string SearchSku { get => searchSku; set { SetProperty(ref searchSku, value); } }
        public string SearchProductId { get => searchProductId; set { SetProperty(ref searchProductId, value); } }
        public string SearchOrderId { get => searchOrderId; set { SetProperty(ref searchOrderId, value); } }
        public string SearchPurchaseOrderId { get => searchPurchaseOrderId; set { SetProperty(ref searchPurchaseOrderId, value); } }
        public string SearchSourceShopName { get => searchSourceShopName; set { SetProperty(ref searchSourceShopName, value); } }
        public string SearchSourceSku { get => searchSourceSku; set { SetProperty(ref searchSourceSku, value); } }
        public bool ExcludeCanceled { get => excludeCanceled; set { SetProperty(ref excludeCanceled, value); } }
        public IList<Order> OrderList { get; set; }

        /// <summary>
        /// 是否为待配置
        /// </summary>
        public bool IsWaitConfig { get => isWaitConfig; set { SetProperty(ref isWaitConfig, value); } }

        public ICommand SetSearchDateCommand { get; set; }
        public ICommand SetOrderStateCommand { get; set; }

        public ICommand SetWaitConfigCommand { get; set; }

        public ICommand OrderPageIndexChangedCommand { get; set; }
        public ICommand SearchOrderCommand { get; set; }

        public ICommand OnlinePurchaseCommand { get; set; }

        public ICommand CancelOrderCommand { get; set; }

        public ICommand EditPriceCommand { get; set; }

        public ICommand EditPackConfigCommand { get; set; }


        public OrderViewModel(GlobalContext globalContext, OrderService orderService, PackPurchaseTaskService packPurchaseTaskService)
        {
            OrderList = new ObservableCollection<Order>();
            SetOrderStateCommand = new RelayCommand<OrderState?>(SetOrderState);
            SetSearchDateCommand = new RelayCommand<int>(d =>
            {
                EndDate = d == 1 ? DateTime.Now.Date.AddDays(-1) : DateTime.Now;
                StartDate = DateTime.Now.Date.AddDays(d * -1);
                PageIndex = 1;
                Task.Factory.StartNew(() => LoadOrder(PageIndex));  //点击日期查询订单
            });
            SearchOrderCommand = new RelayCommand(() =>
            {
                PageIndex = 1;
                Task.Factory.StartNew(() => LoadOrder(PageIndex));
            });
            OrderPageIndexChangedCommand = new RelayCommand<PageArgs>(p =>
            {
                Task.Factory.StartNew(() => LoadOrder(p.PageIndex));
            });
            OnlinePurchaseCommand = new RelayCommand<Order>(OnlinePurchase);
            CancelOrderCommand = new RelayCommand<string>(CancelOrder);
            EditPriceCommand = new RelayCommand<Order>(OpenEditPrice);
            EditPackConfigCommand = new RelayCommand<Object>(EditPackConfig);
            SetWaitConfigCommand = new RelayCommand(SetWaitConfig);
            PageIndex = 1;
            PageSize = 10;
            EndDate = DateTime.Now;
            StartDate = DateTime.Now.Date;
            this.globalContext = globalContext;
            this.orderService = orderService;
            Task.Factory.StartNew(() => LoadOrder(PageIndex));
            PackPurchaseTaskService = packPurchaseTaskService;
        }

        PackPurchaseTaskService PackPurchaseTaskService;
        private void EditPackConfig(Object obj)
        {
            var objList = (object[])obj;
            var OriginShopName = (string)objList[0];
            OrderSku order = (OrderSku)objList[1];
            var res = PackPurchaseTaskService.GetOrderTask(order.BelongSkuId, order.OrderId);
            if (res == null || !res.Success)
            {
                MessageBox.Show("网络异常!查不到任务");
                return;
            }
            if (res.Data == null)
            {
                MessageBox.Show("打包任务,不存在或已被删除,请重新发起任务!");
                return;
            }
            UpdatePurchaseTaskWindow packTask = new(res.Data, OriginShopName, order, () =>
            {
                Task.Factory.StartNew(() => LoadOrder(PageIndex));

            });
            //var source = PresentationSource.FromVisual(packTask);
            ////如 source 为空或 source.IsDisposed == true ，这表示您的 Window 已关闭。
            //if (source == null || source.IsDisposed)

            if (!packTask.IsClosed)
                packTask.Show();

        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="pageIndex"></param>
        private void LoadOrder(int pageIndex)
        {
            IsLoading = true;
            var response = orderService.GetOrderList(SearchOrderId,
                                                     StartDate,
                                                     EndDate,
                                                     OrderState,
                                                     SearchProductId,
                                                     SearchSku,
                                                     string.Empty,
                                                     SearchPurchaseOrderId,
                                                     SearchSourceShopName,
                                                     SearchSourceSku,
                                                     pageIndex,
                                                     PageSize,
                                                     globalContext.User.Shop.ShopId,
                                                     ExcludeCanceled,
                                                     IsWaitConfig);

            if (!response.Success)
            {
                IsLoading = false;
                App.Current.Dispatcher.Invoke(() =>
                {
                    MessageBox.Show(response.Msg, "提示");
                    return;
                });
            }
            IsLoading = false;
            OrderCount = response.Data.Count;
            App.Current.Dispatcher.Invoke(() => OrderList.Clear());
            if (response.Data.Items == null || response.Data.Items.Count() == 0)
                return;

            var list = response.Data.Items.Map<IList<Order>>();
            App.Current.Dispatcher.Invoke(() =>
            {
                foreach (var order in list)
                {
                    order.LocalConvert();
                    OrderList.Add(order);
                }
                WeakReferenceMessenger.Default.Send(new Message_OrderListScrollToTop(null));
            });
        }

        /// <summary>
        /// 通过订单状态 筛选订单数据
        /// </summary>
        /// <param name="orderState">订单状态</param>
        private void SetOrderState(OrderState? orderState)
        {
            InitSearchParam(orderState == null); //初始化查询参数 orderState == null 全部
            this.OrderState = orderState;
            Task.Factory.StartNew(() => LoadOrder(1));  //选择状态查询订单
        }

        private void SetWaitConfig()
        {
            this.OrderState = null;
            InitSearchParam(true);
            this.IsWaitConfig = true;
            Task.Factory.StartNew(() => LoadOrder(1));  //选择状态查询订单
        }

        /// <summary>
        /// 初始化查询参数
        /// </summary>
        /// <param name="isInitDate"></param>
        private void InitSearchParam(bool isInitDate = false)
        {
            this.OrderState = null;
            IsWaitConfig = false;
            SearchOrderId = string.Empty;
            SearchSku = string.Empty;
            SearchProductId = string.Empty;
            SearchPurchaseOrderId = string.Empty;
            SearchSourceShopName = string.Empty;
            SearchSourceSku = string.Empty;
            if (isInitDate)
            {
                EndDate = DateTime.Now;
                StartDate = DateTime.Now.Date;
            }
            PageIndex = 1;
        }

        private void OnlinePurchase(Order order)
        {
            var choosePurchaseScheme = new ChoosePurchaseScheme(order);
            choosePurchaseScheme.ShowDialog();
        }

        public override void Refresh()
        {
            OrderList.Clear();
            //if (ToDayOrderAchievement != null)
            //{
            //    ToDayOrderAchievement.AdvCost = 0M;
            //    ToDayOrderAchievement.DeliveryExpressFreight = 0M;
            //    ToDayOrderAchievement.OrderCount = 0;
            //    ToDayOrderAchievement.Profit = 0;
            //    ToDayOrderAchievement.PurchaseAmount = 0;
            //    ToDayOrderAchievement.SaleAmount = 0;
            //    ToDayOrderAchievement.SaleAmount = 0M;
            //    ToDayOrderAchievement.EmployereCost = 0M;
            //    ToDayOrderAchievement.TaxCost = 0M;
            //    ToDayOrderAchievement.SdCost = 0M;
            //    ToDayOrderAchievement.PularizeEndDate = null;
            //    ToDayOrderAchievement.ShoppopularizeList.Clear();
            //}
            PageIndex = 1;
            OrderCount = 0;
        }

        public void RefreshOrder(string orderId)
        {
            //Task.Factory.StartNew(() => LoadOrder(PageIndex));
            var order = OrderList.FirstOrDefault(o => o.Id == orderId);
            if (order == null)
            {
                IsLoading = false;
                return;
            }

            var orderResponse = orderService.GetOrderList(orderId, StartDate, EndDate, null, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, string.Empty, 1, 10, globalContext.User.Shop.ShopId, true, IsWaitConfig);
            IsLoading = false;
            if (!orderResponse.Success)
            {
                Application.Current.Dispatcher.Invoke(() => MessageBox.Show(orderResponse.Msg, "查询订单详情"));
                return;
            }
            if (orderResponse.Data.Count == 0)
                return;

            var newOrder = orderResponse.Data.Items.FirstOrDefault().Map<Order>();
            newOrder.LocalConvert();

            Application.Current.Dispatcher.Invoke(() =>
            {
                var orderIndex = OrderList.IndexOf(order);
                OrderList.Remove(order);
                OrderList.Insert(orderIndex, newOrder);
            });

        }

        private void CancelOrder(string orderId)
        {
            if (MessageBox.Show("是否确认取消订单", "提示", MessageBoxButton.OKCancel) != MessageBoxResult.OK)
                return;

            IsLoading = true;
            Task.Factory.StartNew(() => orderService.CancelOrder(orderId, string.Empty))
                        .ContinueWith(t =>
                        {
                            IsLoading = false;
                            var response = t.Result;
                            if (!response.Success)
                            {
                                App.Current.Dispatcher.Invoke(() => MessageBox.Show(response.Msg, "取消订单"));
                                return;
                            }
                            RefreshOrder(orderId);
                        });
        }
        private void OpenEditPrice(Order order)
        {
            var edit = new EditPrice(order);
            if (edit.ShowDialog() == true)
            {
                RefreshOrder(order.Id);
            }
        }
    }
}