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import logging

from datetime import datetime

from django.conf import settings
from django.http import HttpResponseBadRequest
from django.contrib.auth import authenticate

from astakos.im.models import Invitation
from astakos.im.target.util import prepare_response
from astakos.im.util import get_or_create_user

def login(request):
    code = request.GET.get('code')
    try:
        invitation = Invitation.objects.get(code=code)
    except Invitation.DoesNotExist:
        return HttpResponseBadRequest('Wrong invitation code')
    
    if not invitation.is_accepted:
        invitation.is_accepted = True
        invitation.accepted = datetime.now()
        invitation.save()
        logging.info('Accepted invitation %s', invitation)
    
    user = get_or_create_user(invitation.uniq,
                              realname = invitation.realname,
                              affiliation = 'Invitation',
                              provider = 'invitation',
                              level = invitation.inviter.level + 1)
    
    # in order to login the user we must call authenticate first 
    authenticate(email=user.email, auth_token=user.auth_token)
    next = request.GET.get('next')
    
    return prepare_response(request, user, next, 'renew' in request.GET)