using WxOrder.Framework.Commons;
using _29WxOrderWpf.Services;
using AllBase.Model.MvvmBaseClasses;
using AllBase.Util;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Linq;
using System.Runtime.InteropServices.ComTypes;
using System.Text;
using System.Threading.Tasks;
using System.Timers;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Threading;
using Work.KJDServer.API.Models;
using WPFCommon.Models;
using static System.Windows.Forms.VisualStyles.VisualStyleElement.TaskbarClock;

namespace _29WxOrderWpf.Ctrls.OrderCtrls;

/// <summary>
/// OrderTaskDialogView.xaml 的交互逻辑
/// </summary>
public partial class OrderTaskDialogView : UserControl
{
	private readonly OrderTaskDialogViewModel _viewModel;

	public OrderTaskDialogView()
	{
		InitializeComponent();
		this.Loaded += OrderTaskDialogView_Loaded;
		_viewModel = new OrderTaskDialogViewModel();
		DataContext = _viewModel;
	}

	private async void OrderTaskDialogView_Loaded(object sender, RoutedEventArgs e)
	{
		_viewModel.LoadTasks();
	}
}

/// <summary>
/// 任务列表 - ViewModel
/// </summary>
public class OrderTaskDialogViewModel : BindableBaseEx, IDisposable
{
	private DispatcherTimer _timer;

	private readonly TaskService _taskService;

	public OrderTaskDialogViewModel()
		: this(TaskService.Instance)
	{
		_timer = new DispatcherTimer();
		_timer.Interval = TimeSpan.FromSeconds(1);
		_timer.Tick += _timer_Tick;
		_timer.Start();
	}
	public OrderTaskDialogViewModel(TaskService taskService)
	{
		_taskService = taskService;


		StartDate = _taskService.StartDate;
		EndDate = _taskService.EndDate;



		Tasks = new ObservableCollection<TaskItem>();

		TasksView = CollectionViewSource.GetDefaultView(Tasks);
		TasksView.Filter = FilterTaskStatus;

		_taskService.TaskChanged += TaskChanged;
	}
	private async void _timer_Tick(object sender, EventArgs e)
	{

		RefreshTime = _taskService.ResetCountdown;
	}


	public TaskType SelectedTaskType
	{
		get => GetValue<TaskType>();
		set
		{
			SetValue(value);
			TasksView.Refresh();
		}
	}

	private void TaskChanged(object sender, IEnumerable<TaskItem> data)
	{
		LoadTasks();
	}

	public void LoadTasks()
	{
		System.Windows.Application.Current.Dispatcher.Invoke(() =>
		{
			Tasks.Clear();
			foreach (var item in TaskService.Instance.Tasks)
			{
				if (!string.IsNullOrEmpty(item.TaskFailReason))
				{
					if (item.TaskFailReason.Contains("任务执行异常"))
					{
						item.Status = 4;
					}
				}
				Tasks.Add(item);
			}
		});


	}
	/// <summary>
	/// 过滤
	/// </summary>
	/// <param name="obj"></param>
	/// <returns></returns>
	private bool FilterTaskStatus(object obj)
	{
		if (obj is not TaskItem task)
			return false;

		// Status 维度筛选
		bool statusMatch = IsShowAll || task.Status != 2;
		// 如果 IsShowAll=true，表示显示所有状态；否则只显示特定状态

		// TaskType 维度筛选
		bool typeMatch = SelectedTaskType == TaskType.ALL ? true : SelectedTaskType == task.TaskType;
		bool timeMatch = StartDate <= task.CreateTime && task.CreateTime <= EndDate;

		// 如果 SelectedTaskType==null，表示显示所有类型；否则只显示特定类型
		return statusMatch && typeMatch && timeMatch;
	}

	/// <summary>任务列表</summary>
	public ObservableCollection<TaskItem> Tasks { get; }

	public ICollectionView TasksView { get; }

	/// <summary>汇总文字（总数/执行中/成功/失败）</summary>
	public string SummaryText
	{
		get => GetValue<string>();
		set => SetValue(value);
	}
	public int RefreshTime
	{
		get => GetValue<int>();
		set => SetValue(value);
	}


	public DateTime StartDate
	{
		get => GetValue<DateTime>();
		set => SetValue(value);
	}
	public DateTime EndDate
	{
		get => GetValue<DateTime>();
		set => SetValue(value);
	}

	public bool IsShowAll
	{
		get => GetValue<bool>();
		set
		{
			SetValue(value);
			TasksView.Refresh();
		}
	}



	public void Dispose()
	{
		_timer.Stop();
		_timer = null;
	}
}