import os
from google.appengine.ext.webapp import template

import wsgiref.handlers
from google.appengine.ext import webapp
from google.appengine.api import users

import gdata.service
import gdata.photos.service
import gdata.alt.appengine


def getPhotolist(client,username):
	photolist=[]
	photos=None 
	albums = client.GetUserFeed(user=username)
	for album in albums.entry:
		photos = client.GetFeed( '/data/feed/api/user/%s/albumid/%s?kind=photo' % ( username, album.gphoto_id.text))
		for photo in photos.entry:
			photolist.append( photo.media.thumbnail[2].url )
		
	return photolist


class MainPage(webapp.RequestHandler):

	def get(self):
		self.response.headers['Content-Type'] = 'text/html'

		user = users.get_current_user()
		if user==None:
			self.redirect(users.create_login_url(self.request.uri))
			return 



		client = gdata.photos.service.PhotosService()
		gdata.alt.appengine.run_on_appengine(client)

		photolist=getPhotolist(client,user)


		url=None
		url_linktext=None
    		if users.get_current_user(): 
			url = users.create_logout_url(self.request.uri) 
			url_linktext = 'Logout' 
		else: 
			url = users.create_login_url(self.request.uri) 
			url_linktext = 'Login'


		template_values={
				'user':user,
				'photolist': photolist,
				'url': url,
				'url_linktext': url_linktext,
			}
		path = os.path.join(os.path.dirname(__file__), 'photo.html')
		self.response.out.write(template.render(path, template_values))



def main():
	application = webapp.WSGIApplication([('/', MainPage)], debug=True)
	wsgiref.handlers.CGIHandler().run(application)

if __name__ == "__main__":
	main()