namespace CoverSources
import System.Xml
import System.Drawing
import System.Text.RegularExpressions
import util

class GoogleImage:
	static ThumbSize = Size(150, 150)
	static def GetPageSecret(url as string):
		request as System.Net.HttpWebRequest = System.Net.HttpWebRequest.Create(url)
		request.UserAgent="Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727)"
		response = request.GetResponse()
		return response.GetResponseStream()
	static SourceName as string:
		get: return "GoogleImage"
	static SourceVersion as decimal:
		get: return 0.2
	static def GetThumbs(coverart,artist,album):
		query = artist+" "+album
		params = EncodeUrl(query)
		params.Replace('%20','+')
		textstream = GetPageSecret("http://images.google.com/images?q="+params)
		text = System.IO.StreamReader(textstream).ReadToEnd()
		r = Regex("""dyn\.Img\("([^"]*)","([^"]*)","([^"]*)","([^"]*)","([^"]*)","([^"]*)","([^"]*)","([^"]*)","([^"]*)","([^"]*)","([^"]*)","([^"]*)","([^"]*)","([^"]*)","([^"]*)"\)""")
		iterator = r.Matches(text)
		coverart.SetCountEstimate(iterator.Count)
		for result as Match in iterator:
			size = result.Groups[10].Value
			size = size.Remove(size.IndexOf("pixels"))

			large = System.Drawing.Bitmap.FromStream(GetPageStream("http://images.google.com/images?q=tbn:"+result.Groups[3].Value+result.Groups[4].Value))
			thumb = Bitmap(large, ThumbSize)
			large.Dispose()

			g = Graphics.FromImage(thumb)
			f = Font(SystemFonts.DefaultFont, FontStyle.Bold)
			g.DrawString(size, f, Brushes.White, 1,1 )
			g.DrawString(size, f, Brushes.Black, 0,0 )
			f.Dispose()
			g.Dispose()

			name = (result.Groups[7].Value.Replace("<b>","").Replace("</b>",""))

			FirstVal = size.Remove(size.IndexOf(" x "))
			if (int.Parse(FirstVal) >= 300):
				coverart.AddThumb(thumb,name,0,0,result.Groups[4].Value)
	static def GetResult(param):
		return param