using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Net;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Web;
using TelegramService.Bl;
using TelegramService.Entity;
using TelegramService.Help;

namespace TelegramServiceV6.Bl
{
    public class TieBaBl
    {

   
        /// <summary>
        /// 发送 消息
        /// </summary>
        private void SendTextMessage(string title, string sType, string stime, string surl)
        {
            try
            {

                string sHtml = "\r\n标         题：<b>" + title + "</b>\n";
                sHtml += "类         型：<b>" + sType + "</b>\n";
                sHtml += "入库时间：<b>" + stime + "</b>\n";
                sHtml += "链         接：<a href=\"" + surl + "\">" + surl + "</a>\n";
                JObject oObj = new JObject();
                oObj.Add("chat_id", "-1001523898048");
                oObj.Add("text", sHtml);
                oObj.Add("parse_mode", "HTML");
                //是否显示url 预览
                oObj.Add("disable_web_page_preview", "TRUE");
                SendMessageBl.SendTg("https://api.telegram.org/bot1918024418:AAHj_RNtA-XkWbodtzkzaTIxc0XYxBVoQKY/sendMessage", oObj.ToString());

            }
            catch (Exception ex)
            {
                EntrustHelper.STCB("show", "[TieBaBl.SendTextMessage] " + ex.Message);
            }
        }

        /// <summary>
        /// 获取贴吧
        /// </summary>
        public async void GetTieBaHtml()
        {
            try
            {

                EntrustHelper.STCB("show", "[TieBaBl.GetTieBaHtml1] 开始执行!");

                HttpResult httpResult = null;

                foreach (var tk in Appsettings.Conf.TieBa)
                {
                    string key = tk.ToString();
                    string encodedUrl = HttpUtility.UrlEncode(key);
                    string shtml = null;
                    string tiebaUrl = "https://tieba.baidu.com/mo/m?kw=" + encodedUrl.ToUpper() + "&lm=&pn=0";

                    for (int i = 0; i < 3; i++)
                    {
                        httpResult =await HttpHelper.GetAsync(tiebaUrl);
                        if (httpResult.StatusCode == 200)
                        {
                            shtml = httpResult.Html;
                            break;
                        }
                    }
                    if (shtml.IsNullOrWhiteSpace())
                    {
                        EntrustHelper.STCB("show", "[TieBaBl.GetTieBaHtml2] 获取不到数据!");
                        return;
                    }
                    List<HtmlTag> listHtmlTag = HtmlTag.FindTagByAttr(shtml, "ul", "id", "frslistcontent");
                    List<HtmlTag> lista = null;
                    if (listHtmlTag.Count == 0)
                    {
                        EntrustHelper.STCB("show", "[TieBaBl.GetTieBaHtml3] 贴吧html匹配不到div!");
                        return;
                    }
                    listHtmlTag = listHtmlTag[0].FindTagByAttr("li", "class", "tl_shadow tl_shadow_new ");
                    for (int i = 0; i < listHtmlTag.Count; i++)
                    {
                        try
                        {
                            lista = listHtmlTag[i].FindTag("a");
                            if (lista.Count == 0)
                            {
                                continue;
                            }
                            string url = lista[0].GetAttribute("href");
                            string id = Regex.Match(url, @"(?is)/p/(?<value>.*?)s*\?").Groups["value"].Value;
                            if (id.IsNull())
                            {
                                continue;
                            }
                            lista = lista[0].FindTagByAttr("div", "class", "ti_title");
                            if (lista.Count <= 0)
                            {
                                continue;
                            }
                            string title = lista[0].InnerText;
                            if (title.Contains("&#160;"))
                            {
                                string[] arr = title.SplitRemoveEmptyEntries("&#160;");
                                if (arr.Length > 1)
                                {
                                    title = arr[1];
                                }
                            }
                            tieba tb = new tieba();
                            tb.id = id;
                            tb.title = title;
                            if (tb.title.Length > 149)
                            {
                                tb.title = tb.title.Substring(0, 149);
                            }
                            tb.key = key;
                            tb.url = "tieba.baidu.com/p/" + tb.id;
                            tb.sysaddtime = DateTime.Now;
                            if (SetTieBaDB(tb) > 0)
                            {
                                SendTextMessage(tb.title, tb.key, tb.sysaddtime.ToDateStr(), "https://" + tb.url);
                            }
                        }
                        catch (Exception ex)
                        {
                            EntrustHelper.STCB("show", "[TieBaBl.GetTieBaHtml4] " + ex.Message);
                        }
                    }
                    listHtmlTag.Clear();
                    lista.Clear();
                    Thread.Sleep(5000);
                }
                EntrustHelper.STCB("show", "[TieBaBl.GetTieBaHtml5] 执行结束!");
            }
            catch (Exception)
            {
            }
            finally
            {
                EntrustHelper.STCB("InitTimerTieBa", Appsettings.Conf.IntervalTieBa);
            }

        }


        /// <summary>
        /// 写入 数据库
        /// </summary>
        /// <returns></returns>
        private int SetTieBaDB(tieba tb)
        {
            try
            {
                var x = Db.dbConnection.Storageable(tb).ToStorage();
                x.AsInsertable.ExecuteCommand();//不存在插入
                return x.InsertList.Count;
            }
            catch (Exception ex)
            {
                EntrustHelper.STCB("show", "[TieBaBl.SetTieBaDB] " + ex.Message);
            }
            return 0;
        }
    }
}