using BBWY.Client.APIServices;
using BBWY.Client.Models;
using BBWY.Common.Extensions;
using BBWY.Common.Models;
using GalaSoft.MvvmLight.Command;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Input;

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

        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 CopyTextCommand { get; set; }

        public ICommand SetSearchDateCommand { get; set; }

        public ICommand SearchServiceOrderCommand { 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)
        {
            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(SearchServiceOrder);
            ServiceOrderList = new ObservableCollection<ServiceOrder>() { new ServiceOrder(), new ServiceOrder(), new ServiceOrder() };
            PageSize = 10;
            GlobalContext = globalContext;
            EndDate = DateTime.Now.Date;
            StartDate = DateTime.Now.Date.AddDays(-15);
            SearchServiceOrder();
        }

        private void SearchServiceOrder()
        {
            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);
            SearchServiceOrder();
        }

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

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

        private void QueryServiceOrder(int pageIndex)
        {
            IsLoading = true;
            App.Current.Dispatcher.Invoke(() =>
            {
                this.ServiceOrderList.Clear();
                ServiceOrderCount = 0;
            });
            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;
                });
            }
            if (response.Data.Items == null || response.Data.Items.Count() == 0)
            {
                IsLoading = false;
                return;
            }

            IsLoading = false;
            ServiceOrderCount = response.Data.Count;
            var list = response.Data.Items.Map<IList<ServiceOrder>>();

            App.Current.Dispatcher.Invoke(() =>
            {
                foreach (var s in list)
                {
                    //转换ImageName
                    ServiceOrderList.Add(s);
                }
            });
        }
    }
}