# Copyright 2014 Roberto Brian Sarrionandia
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import webapp2
import jinja2
import os

from google.appengine.ext import ndb
import tusers

from forms import TournamentInfoForm

JINJA_ENVIRONMENT = jinja2.Environment(
    loader=jinja2.FileSystemLoader(os.path.dirname(__file__)),
    extensions=['jinja2.ext.autoescape'],
    autoescape=True)

class TournamentsHandler(webapp2.RequestHandler):
  def get(self):
    user = tusers.get_current_user()

    if user:
      #Get the requested tournament
      tid = self.request.get('t_key')
      key = ndb.Key('Tournament', int(tid))
      t = key.get()

      if (t and user.key in t.owner):

        #Pre-Populate the Tournament Info Form
        form = TournamentInfoForm()
        form.blurb.data = t.blurb
        form.email.data = t.contact_email
        form.homepage.data = t.homepage
        form.facebook.data = t.facebook

        template_values = {
          'user' : user,
          'logout' : tusers.create_logout_url('/'),
          't' : t,
          'form' : form
        }
        template = JINJA_ENVIRONMENT.get_template('view/tournament.html')
        self.response.write(template.render(template_values))

      else:
        self.redirect('/tournaments')
    else:
      self.redirect(tusers.create_login_url(self.request.uri))

class TournamentInfoHandler(webapp2.RequestHandler):
  def post(self):
    user = tusers.get_current_user()

    if user:
      #Get the requested tournament
      tid = self.request.get('t_key')
      key = ndb.Key('Tournament', int(tid))
      t = key.get()

      if (t and user.key in t.owner):
        form = TournamentInfoForm(self.request.POST)

        #Check that the fields are valid
        if form.validate():
          #If they are, update the tournament
          t.blurb = form.blurb.data
          t.contact_email = form.email.data
          t.homepage = form.homepage.data
          t.facebook = form.facebook.data
          t.put()
          self.redirect('/tournament_instance?t_key=' + str(t.key.id()))
        else:
          #Otherwise output the form again
          template_values = {
            'user' : user,
            'logout' : tusers.create_logout_url('/'),
            't' : t,
            'form' : form
          }
          template = JINJA_ENVIRONMENT.get_template('view/tournament.html')
          self.response.write(template.render(template_values))
      else:
        self.redirect('/tournaments')
    else:
      self.redirect(tusers.create_login_url(self.request.uri))

app = webapp2.WSGIApplication([
  ('/tournament_instance', TournamentsHandler),
  ('/tournament_instance/update_info', TournamentInfoHandler)
], debug=True)
