using DM_Weight.Common;
using DM_Weight.Models;
using DM_Weight.msg;
using DM_Weight.select;
using DM_Weight.util;
using Prism.Commands;
using Prism.Events;
using Prism.Mvvm;
using Prism.Regions;
using Prism.Services.Dialogs;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Configuration;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DM_Weight.ViewModels
{
    public class MultiOrderTakeDrugWindowViewModel : BindableBase, IConfirmNavigationRequest, IRegionMemberLifetime
    {
        public static MultiOrderTakeDrugWindowViewModel vm;
        private int _pageNum = 1;
        public int PageNum
        {
            get => _pageNum;
            set
            {
                SetProperty(ref _pageNum, value);
                RequestData();
            }
        }

        private int _pageCount = 1;
        public int PageCount
        {
            get => _pageCount;
            set
            {
                SetProperty(ref _pageCount, value);
            }
        }

        private int _pageSize = 8;
        public int PageSize
        {
            get => _pageSize;
            set
            {
                SetProperty(ref _pageSize, value);
            }
        }

        private int _totalCount = 0;
        public int TotalCount
        {
            get => _totalCount;
            set
            {
                SetProperty(ref _totalCount, value);
            }
        }


        IDialogService _dialogService;
        IEventAggregator _eventAggregator;


        public MultiOrderTakeDrugWindowViewModel(IDialogService DialogService, IEventAggregator eventAggregator)
        {
            _dialogService = DialogService;
            _eventAggregator = eventAggregator;
            vm = this;
        }

        //public static ObservableCollection<OrderTakeSelect> StaticOrderTakeSelects = new()
        //{
        //    new OrderTakeSelect
        //    {
        //        Code = "OrderNo",
        //        Name = "处方号"
        //    },
        //    new OrderTakeSelect
        //    {
        //        Code = "PatientId",
        //        Name = "患者编号"
        //    }
        //};

        //private ObservableCollection<OrderTakeSelect> _orderTakeSelects = StaticOrderTakeSelects;

        //public ObservableCollection<OrderTakeSelect> OrderTakeSelects
        //{
        //    get { return _orderTakeSelects; }
        //    set
        //    {
        //        SetProperty(ref _orderTakeSelects, value);
        //    }
        //}



        //private OrderTakeSelect _selectedItem = StaticOrderTakeSelects[0];
        ///// <summary>
        ///// 查询条件 查询字段
        ///// </summary>
        //public OrderTakeSelect SelectedItem
        //{
        //    get { return _selectedItem; }
        //    set
        //    {
        //        SetProperty(ref _selectedItem, value);
        //        RequestData();
        //    }
        //}

        //private OrderInfo? _selectedOrder;

        //public OrderInfo? SelectedOrder
        //{
        //    get { return _selectedOrder; }
        //    set
        //    {
        //        SetProperty(ref _selectedOrder, value);

        //        //OpenOrderDialog();
        //    }
        //}


        private string _orderDate = DateTime.Now.ToString("yyyy-MM-dd");
        /// <summary>
        /// 查询条件  处方日期
        /// </summary>
        public string OrderDate
        {
            get { return _orderDate; }
            set
            {
                if (!String.IsNullOrEmpty(value))
                {
                    SetProperty(ref _orderDate, DateTime.Parse(value).ToString("yyyy-MM-dd"));
                }
                else
                {
                    SetProperty(ref _orderDate, value);
                }

                RequestData();
            }
        }

        //private string? _searchValue;

        ///// <summary>
        ///// 查询条件 查询字段值
        ///// </summary>
        //public string? SearchValue
        //{
        //    get { return _searchValue; }
        //    set
        //    {
        //        SetProperty(ref _searchValue, value);
        //        RequestData();
        //    }
        //}

        /// <summary>
        ///全选
        /// </summary>
        private bool _allChecked = false;
        public bool IsAllChecked
        {
            get { return _allChecked; }
            set
            {
                SetProperty(ref _allChecked, value);
                if (!IsItemCheck)
                {
                    RequestData();
                    //根据全选或反选设置其后的选中状态
                    OrderInfos.ToList().ForEach(oi => oi.ItemIsChecked = _allChecked);
                }
                else
                {
                    IsItemCheck = false;
                }
            }

        }

        public bool _isItemCheck = false;
        public bool IsItemCheck
        {
            get => _isItemCheck;
            set
            {
                SetProperty(ref _isItemCheck, value);
                if (OrderInfos.ToList().Where(od => od.ItemIsChecked == false).Count() <= 0)
                {
                    IsAllChecked = true;
                }
            }
        }
        //private bool _itemIsChecked = false;
        //public bool ItemIsChecked
        //{
        //    get => _itemIsChecked;
        //    set
        //    {
        //         SetProperty(ref _itemIsChecked, value);
        //    }
        //}
        //多处方取药
        public DelegateCommand BtnTakeOrder { get => new DelegateCommand(TakeByMultiOrder); }
        private void TakeByMultiOrder()
        {
            OrderInfos = new ObservableCollection<OrderInfo>(OrderInfos.Where(o => o.ItemIsChecked == true).ToList());
            if (OrderInfos != null && OrderInfos.Count() > 0)
            {
                // 此处延时1毫秒，等待页面渲染
                //await Task.Delay(TimeSpan.FromMilliseconds(1));
                DialogParameters dialogParameters = new DialogParameters();
                dialogParameters.Add("orderInfo", OrderInfos);
                DialogServiceExtensions.ShowDialogHost(_dialogService, "MultiOrderTakeDialog", dialogParameters, DoDialogResult, "RootDialog");
            }
            else
            {
                //请勾选要取药的处方信息
                AlertMsg alertMsg = new AlertMsg
                {
                    Message = "请勾选要取药的处方信息",
                    Type = MsgType.ERROR,
                };
                _eventAggregator.GetEvent<SnackbarEvent>().Publish(alertMsg);
            }
            IsAllChecked = false;
        }

        private ObservableCollection<OrderInfo> _orderInfos = new();

        public ObservableCollection<OrderInfo> OrderInfos
        {
            get { return _orderInfos; }
            set
            {
                SetProperty(ref _orderInfos, value);
            }
        }

        //部门
        private ObservableCollection<OrderDepartment> _orderDepartments = new ObservableCollection<OrderDepartment>();
        public ObservableCollection<OrderDepartment> OrderDepartments
        {
            get => _orderDepartments;
            set
            {
                SetProperty(ref _orderDepartments, value);
            }
        }

        private OrderDepartment _orderDepartment = new OrderDepartment();
        public OrderDepartment OrderDepartment
        {
            get => _orderDepartment;
            set
            {
                SetProperty(ref _orderDepartment, value);
                RequestData();
            }
        }


        public bool KeepAlive => false;

        private void DoDialogResult(IDialogResult dialogResult)
        {
            // 委托   被动执行     被子窗口执行
            // dialogResult  第一方面可以拿到任意参数   第二方面   可判断关闭状态
            //if(dialogResult.Result == ButtonResult.OK)
            //{
            //SelectedOrder = null;
            RequestData();
            //}
            //MessageBox.Show("返回值：" + dialogResult.Result.ToString());
        }


        //这个方法用于拦截请求,continuationCallback(true)就是不拦截，continuationCallback(false)拦截本次操作
        public void ConfirmNavigationRequest(NavigationContext navigationContext, Action<bool> continuationCallback)
        {
            continuationCallback(true);
        }

        public DelegateCommand QueryCommand
        {
            get => new DelegateCommand(() =>
            {
                RequestData();
            });
        }

        public void RequestData()
        {
            OrderInfos.Clear();
            int totalCount = 0;
            //string SearchValue = null;
            //if (SearchValue != null)
            //{
            //    strSearchValue = SearchValue.Trim().Replace("\r", "");
            //}
            List<OrderInfo> queryData = SqlSugarHelper.Db.Queryable<OrderInfo>()
                .InnerJoin<OrderDetail>((oi, od) => oi.OrderNo == od.OrderNo)
                .InnerJoin(SqlSugarHelper.Db.Queryable<ChannelStock>().Where(cs => cs.DrawerType == (Int32)DrawerTypeEnum.drawerTypeOne).Where(cs => cs.MachineId.Equals(ConfigurationManager.AppSettings["machineId"] ?? "DM1")).GroupBy(cs => cs.DrugId), (oi, od, t) => od.DrugId == t.DrugId)
                .WhereIF(OrderDate != null, oi => oi.OrderDate.ToString("yyyy-MM-dd") == OrderDate)
                .WhereIF(!(OrderDepartment.DeptName.Equals("全部")), oi => oi.DeptName == OrderDepartment.DeptName)
                //.WhereIF(!String.IsNullOrEmpty(SearchValue) && SelectedItem.Code.Equals("PatientId"), oi => oi.PatientId == SearchValue)
                .WhereIF(!String.IsNullOrEmpty(ConfigurationManager.AppSettings["storage"]), oi => oi.Pharmacy == ConfigurationManager.AppSettings["storage"])
                .Where(oi => oi.DmStatus == 0)
                .Where(oi => oi.HisDispFlag == 0)
                .Where(oi => oi.CancelFlag == 0)
                .GroupBy(oi => oi.OrderDate)
                .Select(oi => oi)
                .ToPageList(PageNum, PageSize, ref totalCount);
            //.ToList();
            OrderInfos = new ObservableCollection<OrderInfo>(queryData);

            if (OrderDepartments.Where(d => d.DeptName == "全部").ToList().Count <= 0)
            {
                OrderDepartment deptDefault = new OrderDepartment();
                deptDefault.DeptName = "全部";
                OrderDepartments.Add(deptDefault);

            }
            var orderDeparts = queryData.GroupBy(o=>o.DeptName).ToList();
            for (int i = 0; i < orderDeparts.Count; i++)
            {
                OrderDepartment dept = new OrderDepartment();
                if (orderDeparts[i].Key != null && orderDeparts[i].Key != string.Empty&& OrderDepartments.Where(d => d.DeptName == orderDeparts[i].Key).ToList().Count<=0)
                {
                    dept.DeptName = orderDeparts[i].Key;
                    OrderDepartments.Add(dept);
                }
            }
            TotalCount = totalCount;
            PageCount = (int)Math.Ceiling((double)TotalCount / PageSize);

        }

        //接收导航传过来的参数  现在是在此处初始化了表格数据
        public void OnNavigatedTo(NavigationContext navigationContext)
        {
            //_eventAggregator.GetEvent<PortUtilEvent>().Subscribe(DoMyPrismEvent);
            RequestData();
        }

        //每次导航的时候，该实列用不用重新创建，true是不重新创建,false是重新创建
        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

        //这个方法用于拦截请求
        public void OnNavigatedFrom(NavigationContext navigationContext)
        {

            // 取消消息订阅
            //_eventAggregator.GetEvent<PortUtilEvent>().Unsubscribe(DoMyPrismEvent);
        }

        void DoMyPrismEvent(DeviceMsg msg)
        {
            //if (msg.EventType == EventType.CODESCAN)
            //{
            //    SearchValue = msg.Code;
            //}

        }
    }
}