"""views for the accounts application"""

import datetime
from django.shortcuts import render_to_response
from django.template import RequestContext
from django.contrib import auth
from django.http import HttpResponseRedirect
from django.core.urlresolvers import reverse
from django.conf import settings

from accounts.models import PendingUser
from accounts.forms import RegisterForm


#######################################################################

def register(request):
   if request.user.is_authenticated():
      return HttpResponseRedirect(settings.LOGIN_REDIRECT_URL)

   if request.method == 'POST':
      form = RegisterForm(request.POST)
      if form.is_valid():
         form.save()
         return HttpResponseRedirect(reverse('accounts.views.register_thanks'))
   else:
      form = RegisterForm()

   return render_to_response('accounts/register.html', {
            'form': form,
         },
         context_instance = RequestContext(request))

#######################################################################

def register_thanks(request):
   if request.user.is_authenticated():
      return HttpResponseRedirect(settings.LOGIN_REDIRECT_URL)

   return render_to_response('accounts/register_thanks.html',
         context_instance = RequestContext(request))

#######################################################################

def register_confirm(request, username, key):
   if request.user.is_authenticated():
      return HttpResponseRedirect(settings.LOGIN_REDIRECT_URL)
   
   # purge expired users

   PendingUser.objects.purge_expired()

   try:
      pending_user = PendingUser.objects.get(username = username)
   except PendingUser.DoesNotExist:
      return render_to_response('accounts/register_failure.html', {
         'username': username,
         },
         context_instance = RequestContext(request))

   if pending_user.key != key:
      return render_to_response('accounts/register_failure.html', {
         'username': username,
         },
         context_instance = RequestContext(request))

   new_user = auth.models.User()

   new_user.username = pending_user.username
   new_user.first_name = ''
   new_user.last_name = ''
   new_user.email = pending_user.email
   new_user.password = pending_user.password    # already been hashed
   new_user.is_staff = False
   new_user.is_active = True
   new_user.is_superuser = False
   new_user.last_login = datetime.datetime.now()
   new_user.date_joined = new_user.last_login

   new_user.save()
   pending_user.delete()

   return render_to_response('accounts/register_success.html', {
      'username': username,
      },
      context_instance = RequestContext(request))