using GalaSoft.MvvmLight;
using GalaSoft.MvvmLight.Command;
using Microsoft.Extensions.DependencyInjection;
using SlnMesnac.Model.domain;
using SlnMesnac.Repository.service;
using SlnMesnac.WPF.Models;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Xml.Linq;

namespace SlnMesnac.WPF.ViewModel
{
    public partial class StatisticsPageViewModel : ObservableObject
    {

        private readonly ILogoIdentifyService? logoIdentifyService;
        public StatisticsPageViewModel()
        {
            //  MainWindowViewModel.queryListEvent += ExecQueryAsync;
            logoIdentifyService = App.ServiceProvider.GetService<ILogoIdentifyService>();
            QueryCommand = new RelayCommand<object>(obj => Query(obj));
            QueryCodeCommand = new RelayCommand(QueryByCode);
            QueryResultCommand = new RelayCommand(QueryByResult);
            MainWindowViewModel.RefreDataGridEvent += LoadData;
            LoadData();
        }


        #region 加载DataGrid数据
        private async void LoadData()
        {
            // 查询条件初始化
            BeginDate = DateTime.Now.Date;  // 当天的 0:00:00
            EndDate = DateTime.Now.Date.AddDays(2).AddSeconds(-1);  // 当天的 23:59:59

            await Task.Run(async () =>
            {
                List<LogoIdentify> list = await logoIdentifyService.QueryAllByTime(BeginDate, EndDate);
                //List<LogoIdentify> list = await logoIdentifyService.GetAllRecordAsync();
                if (list == null || list.Count == 0) return;
                list = list.OrderByDescending(x => x.RecordTime).ToList();
                await App.Current.Dispatcher.BeginInvoke((Action)(() =>
                {
                    LogoIdentifyDataGrid.Clear();
                    foreach (LogoIdentify verify in list)
                    {
                        LogoIdentifyDataGrid.Add(verify);
                    }
                }));
                // 刷新型号统计
                ModelList(list);
            });

        }

        /// <summary>
        /// 型号统计
        /// </summary>
        public void ModelList(List<LogoIdentify> list)
        {

            var ModelList = list.GroupBy(x => x.MaterialName).
            Select(x => new
            {
                ProductModel = x.Key,
                MaterialType = x.FirstOrDefault().MaterialType,
                IsChecked = x.FirstOrDefault().isChecked ,
                Amount = x.Count(),
                PassAmount = x.Where(s => s.Result == 1).Count(),
            }).ToList();
            App.Current.Dispatcher.BeginInvoke((Action)(() =>
            {
                ModelDataGrid.Clear();
                int index = 1;
                foreach (var item in ModelList)
                {
                    ModelDataGrid.Add(new ModelCount() { No = index++, MaterialType = item.MaterialType, ProductName = item.ProductModel, IsChecked = item.IsChecked, TotalAmount = item.Amount, PassAmount = item.PassAmount, PassRate = ((double)item.PassAmount / item.Amount).ToString("P2") });
                }
            }));


        }

        #endregion


        #region 初始化datagrid
        private ObservableCollection<LogoIdentify> _LogoIdentifyDataGrid = new ObservableCollection<LogoIdentify>();
        public ObservableCollection<LogoIdentify> LogoIdentifyDataGrid
        {
            get { return _LogoIdentifyDataGrid; }
            set
            {
                _LogoIdentifyDataGrid = value;
                RaisePropertyChanged();//属性通知
            }
        }


        private ObservableCollection<ModelCount> _ModelDataGrid = new ObservableCollection<ModelCount>();
        public ObservableCollection<ModelCount> ModelDataGrid
        {
            get { return _ModelDataGrid; }
            set
            {
                _ModelDataGrid = value;
                RaisePropertyChanged();//属性通知
            }
        }
        #endregion

        private DateTime _BeginDate;
        public DateTime BeginDate
        {
            get { return _BeginDate; }
            set
            {
                if (_BeginDate != value)
                {
                    _BeginDate = value;
                    RaisePropertyChanged();//属性通知
                }
            }
        }
        private DateTime _EndDate;
        public DateTime EndDate
        {
            get { return _EndDate; }
            set
            {

                _EndDate = value;
                RaisePropertyChanged();//属性通知

            }
        }

        private string _QueryCode;
        public string QueryCode
        {
            get { return _QueryCode; }
            set
            {
                if (_QueryCode != value)
                {
                    _QueryCode = value;
                    RaisePropertyChanged();//属性通知
                }
            }
        }

        private ComboBoxItem _SelectedOption = new ComboBoxItem() { Content = ""};

        public ComboBoxItem SelectedOption
        {
            get => _SelectedOption;
            set
            {
                if (_SelectedOption != value)
                {
                    _SelectedOption = value;
                    RaisePropertyChanged();//属性通知
                }
            }
        }




        /// <summary>
        /// 时间查询事件
        /// </summary>
        public RelayCommand<object> QueryCommand { get; set; }

        /// <summary>
        /// 根据型号与条码查询事件
        /// </summary>
        public RelayCommand QueryCodeCommand { get; set; }


        /// <summary>
        /// 根据时间与选择结果查询
        /// </summary>
        public RelayCommand QueryResultCommand { get; set; }


        #region 时间查询

        private async Task Query(object obj)
        {
            List<LogoIdentify> list;
            try
            {
                LogoIdentifyDataGrid.Clear();
                var result = (StatisticModel)obj;

                if (EndDate <= BeginDate)
                {
                    MessageBox.Show("结束时间要大于开始时间！");
                    return;
                }
                list = await logoIdentifyService.QueryAllByTime(BeginDate, EndDate);

                if (list != null && list.Count > 0)
                {
                    await App.Current.Dispatcher.BeginInvoke((Action)(() =>
                    {

                        list = list.OrderByDescending(x => x.RecordTime).ToList();
                        foreach (LogoIdentify verify in list)
                        {
                            LogoIdentifyDataGrid.Add(verify);
                        }
                    }));

                    // 刷新型号统计
                    ModelList(list);
                }

            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
            }
        }
        #endregion 

        
        #region 根据条码号准确查询或者根据型号加上时间段模糊查询

        private async void QueryByCode()
        {
            List<LogoIdentify> list;
            try
            {
                LogoIdentifyDataGrid.Clear();

                // 条码准确查询
                if (QueryCode.Length == 21)
                {
                    list = await logoIdentifyService.GetRecordByCodeAsync(QueryCode);
                }
                else //根据型号查询，先查询时间段
                {
                    list = await logoIdentifyService.QueryAllByTime(BeginDate, EndDate);
                    //过滤型号
                    list = list.Where(x => x.ProductCode.Contains(QueryCode) || x.MaterialName.Contains(QueryCode) || x.MaterialType.Contains(QueryCode)).ToList();
                }
 
                if (list != null && list.Count > 0)
                {
                    await App.Current.Dispatcher.BeginInvoke((Action)(() =>
                    {

                        list = list.OrderByDescending(x => x.RecordTime).ToList();
                        foreach (LogoIdentify verify in list)
                        {
                            LogoIdentifyDataGrid.Add(verify);
                        }
                    }));

                    // 刷新型号统计
                    ModelList(list);
                  
                }

            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
            }
        }
        #endregion


        #region 根据结果加上时间段模糊查询

        private async void QueryByResult()
        {
            List<LogoIdentify> list;
            try
            {
                LogoIdentifyDataGrid.Clear();

                list = await logoIdentifyService.QueryAllByTime(BeginDate, EndDate);
                
                if (SelectedOption.Content.ToString() == "OK")
                {
                    list = list.Where(x => x.Result == 1).ToList();
                }
                else if (SelectedOption.Content.ToString() == "NG")
                {
                    list = list.Where(x => x.Result == 0).ToList();
                }

                if (list != null && list.Count > 0)
                {
                    await App.Current.Dispatcher.BeginInvoke((Action)(() =>
                    {

                        list = list.OrderByDescending(x => x.RecordTime).ToList();
                        foreach (LogoIdentify verify in list)
                        {
                            LogoIdentifyDataGrid.Add(verify);
                        }
                    }));

                    // 刷新型号统计
                    ModelList(list);

                }

            }
            catch (Exception ex)
            {
                Console.WriteLine(ex.ToString());
            }
        }
        #endregion

        

    }
}