using System;

using System.Web.UI;

using BaiRong.Core;

using BaiRong.Core.Model.Enumerations;

using BaiRong.Core.Net;

namespace SiteServer.BackgroundPages.Controls

{

public class Weather : LiteralControl

{

public virtual string City

{

get

{

var state = ViewState["City"];

if ( state != null )

{

return (string)state;

}

return "北京";

}

set

{

ViewState["City"] = value;

}

}

public virtual string Provider

{

get

{

var provider = yahoo;

var state = ViewState["Provider"];

if ( state != null )

{

provider = ((string)state).Trim().ToLower();

if (provider != yahoo && provider != sina)

{

provider = yahoo;

}

}

return provider;

}

set

{

ViewState["Provider"] = value;

}

}

private const string sina = "sina";

private const string yahoo = "yahoo";

protected override void Render(HtmlTextWriter writer)

{

var weatherHtml = GetWeatherHtml(Provider);

if (string.IsNullOrEmpty(weatherHtml))

{

var otherProvider = (Provider == yahoo) ? sina : yahoo;

weatherHtml = GetWeatherHtml(otherProvider);

}

writer.Write(weatherHtml);

}

protected string GetWeatherHtml(string provider)

{

var result = string.Empty;

try

{

var group = "title";

if (provider == yahoo)

{

var pinyinCity = TranslateUtils.ToPinYin(City);

string weatherUrl = $"http://weather.cn.yahoo.com/weather.html?city={pinyinCity}&s=1";

string regex =

$@"<\!--today\s+-->\s+<div\s+class=""dt_c"">\s+<div\s+class=""tn"">{DateTime.Now.Year}-{TranslateUtils

.ToTwoCharString(DateTime.Now.Month)}-{TranslateUtils.ToTwoCharString(DateTime.Now.Day)}</div>\s*(?<title>[\s\S]+?)\s*</div>\s+<\!--//today\s+-->";

var content = WebClientUtils.GetRemoteFileSource(weatherUrl, ECharset.utf_8);

if (!string.IsNullOrEmpty(content))

{

content = RegexUtils.GetContent(group, regex, content);

var flashRegex = @"<p>\s*(?<title>[\s\S]+?)\s*</p>";

var weatherStringRegex = @"<span\s+class=""ft1"">\s*(?<title>[\s\S]+?)\s*</span>";

var highDegreeRegex = @"<span\s+class=""hitp"">\s*(?<title>[\s\S]+?)\s*</span>";

var lowDegreeRegex = @"<span\s+class=""lotp"">\s*(?<title>[\s\S]+?)\s*</span>";

var flashHtml = RegexUtils.GetContent(group, flashRegex, content);

flashHtml = flashHtml.Replace("width=\"64\" height=\"64\"", "width=\"20\" height=\"20\"");

var weatherString = RegexUtils.GetContent(group, weatherStringRegex, content);

var highDegree = RegexUtils.GetContent(group, highDegreeRegex, content);

var lowDegree = RegexUtils.GetContent(group, lowDegreeRegex, content);

if (!string.IsNullOrEmpty(highDegree))

{

result = flashHtml + weatherString + $"&nbsp;{highDegree} ~ {lowDegree}";

}

}

}

else if (provider == sina)

{

string weatherUrl = $"http://php.weather.sina.com.cn/search.php?city={PageUtils.UrlEncode(City)}";

var regex = "<td\\s+bgcolor=\\#FEFEFF\\s+height=25\\s+style=\"padding-left:20px;\"\\s+align=center>24小时</td>\\s*(?<title>[\\s\\S]+?)\\s*</tr>";

var content = WebClientUtils.GetRemoteFileSource(weatherUrl, ECharset.gb2312);

if (!string.IsNullOrEmpty(content))

{

content = RegexUtils.GetContent(group, regex, content);

var contentArrayList = RegexUtils.GetTagInnerContents("td", content);

var weatherString = (string)contentArrayList[0];

var highDegree = (string)contentArrayList[1];

var lowDegree = (string)contentArrayList[2];

if (!string.IsNullOrEmpty(highDegree))

{

result = weatherString + $"&nbsp;{highDegree} ~ {lowDegree}";

}

}

}

}

catch{}

return result;

}

}

}