using _29WxOrderWpf.Ctrls.Statistics.Models;
using AllBase;
using AllBase.Helper;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Runtime.InteropServices.ComTypes;
using System.Text;
using System.Threading.Tasks;
using System.Timers;
using Work;
using Work.KJDServer.API.Models;
using Work.KJDServer.API.WXOrder;
using WPFCommon.Events;
using WxOrder.Framework;

namespace _29WxOrderWpf.Services;


public class TaskService : SingleInstance<TaskService>
{
	/// <summary>循环查询服务器任务状态的间隔（秒）</summary>
	private const int TaskStatusPollIntervalSeconds = 60;
	private readonly System.Timers.Timer _timer;
	private readonly WxOrderServiceApi _kjdApi = new WxOrderServiceApi();

	public List<TaskItem> Tasks { get; }
	/// <summary>
	/// 刷新倒计时
	/// </summary>
	public int ResetCountdown { get; private set; }

	private TaskService()
	{
		_timer = new System.Timers.Timer();
		_timer.Interval = 1000;
		_timer.Elapsed += _timer_Elapsed;
		Tasks = new List<TaskItem>();
	}
	private int _timeCount = 0;
	private void _timer_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
	{
		_timeCount++;
		if (_timeCount % TaskStatusPollIntervalSeconds == 0)
		{
			_timeCount = 0;
			_ = QueryTaskAsync();
		}
		ResetCountdown = TaskStatusPollIntervalSeconds - _timeCount;


	}
	public delegate void TaskEventHandler<TEventArgs>(object sender, TEventArgs data);

	public event TaskEventHandler<IEnumerable<TaskItem>> TaskChanged;

	//public DateTime StartDate { get; private set; } = DateTime.Now.AddMonths(-3);
	public DateTime StartDate { get; private set; } = DateTime.Now.AddDays(-10);
	public DateTime EndDate { get; private set; } = DateTime.Now.Date.AddDays(1).AddSeconds(-1);

	public void Start()
	{
		_timer.Start();
	}
	public void Stop()
	{
		_timer.Stop();
	}

	public void SetQueryParameters(DateTime startDate, DateTime endDate)
	{
		StartDate = startDate;
		EndDate = endDate;
	}

	/// <summary>
	/// 查询服务器任务信息
	/// </summary>
	public async Task QueryTaskAsync()
	{

		var tasks = await _kjdApi.GetWxTaskStatus(GlobalConfig.ShopLoginList.Select(a => a.ErpShopId), StartDate, EndDate);

		if (tasks != null)
		{
			foreach (var item in tasks)
			{
				if (item.TaskType == TaskType.Gifts)
				{
					if (item.SubTasks?.Any() ?? false)
					{
						item.ObjectIds = string.Join(";", item.SubTasks.Select(a => a.ObjectId));
						var subTask = item.SubTasks.First();
						if (subTask.Status == 2)
						{
							item.TaskFailReason = subTask.SysMsg;
							item.Status = 4;
						}
					}
				}
			}

			Tasks.Clear();
			Tasks.AddRange(tasks);
		}
		TaskChanged?.Invoke(this, this.Tasks);
	}
}