using New_College.Common.Helper;
using Microsoft.Extensions.Hosting;
using System;
using System.Threading;
using System.Threading.Tasks;
using New_College.IServices;
using System.Linq;
using New_College.Model.Models;
using System.Collections.Generic;

namespace New_College.Tasks
{
    public class JobTimedSpiderService : IHostedService, IDisposable
    {
        private Timer _timer;
        /// <summary>
        /// 
        /// </summary>
        private ID_NewsInfoServices newsInfoServices;
        private ISysRegionServices sysRegionServices;
        // 这里可以注入
        public JobTimedSpiderService(ID_NewsInfoServices d_NewsInfoServices, ISysRegionServices sysRegionServices)
        {
            newsInfoServices = d_NewsInfoServices;
            this.sysRegionServices = sysRegionServices;
        }

        public Task StartAsync(CancellationToken cancellationToken)
        {
            Console.WriteLine("Job spider is starting.");

            _timer = new Timer(DoWork, null, TimeSpan.Zero,
                TimeSpan.FromSeconds(60 * 60 * 8));//两个小时
            return Task.CompletedTask;
        }

        private async void DoWork(object state)
        {
          //  BatchListAgHelper batchListAgHelper = new BatchListAgHelper();
            NationWideNewsAgHelper anghelper = new NationWideNewsAgHelper();
            var provineInfo = await this.sysRegionServices.Query(e => e.Level == 1 && !e.RegionCode.Contains("-"));
            provineInfo.ForEach(p =>
            {
                // batchListAgHelper.HtmlCreatePageData(p.RegionCode);
                try
                {
                    var list = anghelper.HtmlCreatePageData(p.RegionCode);
                    list.ForEach(async c =>
                    {
                        c.title = c.title.Replace($"{p.SimpleName}：", "");
                        var newsinfo = await newsInfoServices.Query(e => e.Title.Trim() == c.title);
                        if (!newsinfo.Any() && c.pubtime.Year > DateTime.Now.Year - 1)
                        {
                            await newsInfoServices.Add(new Model.Models.D_NewsInfo()
                            {
                                Author = c.author,
                                CategoryId = 1,
                                CreateBy = "spdier",
                                ProvinceCode = p.RegionCode,
                                CreateId = 1,
                                CreateTime = c.pubtime,
                                Detail = c.detail,
                                CoverImg = "https://static-data.ycymedu.com/static/newstop.png",
                                OrderSort = 0,
                                IsDelete = false,
                                Title = c.title,
                                Summary = HtmlHelper.ReplaceHtmlTag(c.detail).Length > 200 ? HtmlHelper.ReplaceHtmlTag(c.detail).Substring(0, 200) : HtmlHelper.ReplaceHtmlTag(c.detail)
                            });

                        }
                    });
                    ConsoleHelper.WriteWarningLine($"Job spider success： {DateTime.Now}-{list.Count}");
                }
                catch (Exception ex)
                {
                    ConsoleHelper.WriteWarningLine($"Job spider 抓取异常");
                }
            });


        }

        public Task StopAsync(CancellationToken cancellationToken)
        {
            Console.WriteLine("Job spider is stopping.");

            _timer?.Change(Timeout.Infinite, 0);

            return Task.CompletedTask;
        }

        public void Dispose()
        {
            _timer?.Dispose();
        }
    }
}