import tornado.httpserver
import tornado.ioloop
import tornado.web
import json
import cgi

from server_config import account, storage
from weave_handler import WeaveHandler
		
XML_BOILERPLATE = "<?xml version='1.0' encoding='UTF-8'?>\n"
XRD_NS = "http://docs.oasis-open.org/ns/xri/xrd-1.0"
				
class XRDPageHandler(WeaveHandler):
	def get(self, name):
		ctx = storage.get_context(name)
		wbo = storage.get(ctx, 'services', 'root')
		self.set_header('Content-Type', 'text/xml')
		self.write(XML_BOILERPLATE)
		self.write("<XRD xmlns='%s'>\n" % XRD_NS)
		if wbo:
			list = json.loads(wbo.payload)
			self.write("\t<Subject>acct:%s@id.mozilla.com</Subject>\n" % name)
			for l in list:
				rel = l['rel']
				uri = l['uri']
				self.write("<Link>\n<Rel>%s</Rel>\n<URI>%s</URI>\n</Link>\n" % (cgi.escape(rel), cgi.escape(uri)))
		self.write("</XRD>")