"""
Open Source Garden

An exercise based on:
Building Cloud Applications with Google AppEngine
Charles Severance et al (a work in progress)

CSS buttons courtesy of Alex Griffioen:
http://www.oscaralexander.com/tutorials/how-to-make-sexy-buttons-with-css.html

I Ching consultant:
Glenn Stockton (CSO)
http://controlroom.blogspot.com/2009/01/more-school-business.html
"""

import os
import logging
import wsgiref.handlers
from google.appengine.ext import webapp
from google.appengine.ext.webapp import template
import iching

def doRender(self, tname = 'index.htm', values = { }):
  temp = os.path.join(os.path.dirname(__file__), 
         'templates/' + tname)
  if not os.path.isfile(temp):
    return False

  # Make a copy of the dictionary and add the path
  newval = dict(values)
  newval['path'] = self.request.path

  outstr = template.render(temp, newval)
  self.response.out.write(outstr)
  return True

class MainHandler(webapp.RequestHandler):

    def get(self):
        thedata = iching.throw()
        self.response.encoding = "UTF-8"
        doRender(self, "iching.html", thedata)

class MotdHandler(webapp.RequestHandler):

    def get(self):
        self.response.encoding = "UTF-8"
        path = self.request.path
        if doRender(self,path) : 
          return
        if doRender(self,'index.htm') : 
          return
        self.response.out.write('Error - unable to find index.htm')

def main():
    application = webapp.WSGIApplication(
        [('/motd.html', MotdHandler),
         ('/.*', MainHandler)], debug=True)
    wsgiref.handlers.CGIHandler().run(application)

main()