# Create your views here.

from django.shortcuts import render, redirect
from django.contrib.auth import authenticate, login, logout

from django.core.urlresolvers import reverse
from django.http import HttpResponse

from django.utils import simplejson


def home_view(request):
    return render( request, 'website/mainpage.html' )




def logout_view(request):
    logout( request )
    return redirect( login_view )


def login_view(request):
    if request.method == 'POST': # If the form has been submitted...
        username = request.POST['username']
        password = request.POST['password']
        user = authenticate(username=username, password=password)
        result = dict()
        result['err']      = ""
        result['redirect'] = ""
        if user is not None:
            if user.is_active:
                if not request.POST.get('remember', None):
                    request.session.set_expiry( 0 )
                login(request, user)
                result['redirect'] = reverse( home_view )
            else:
                result['err'] = "Dein Account wurde deaktiviert."
                # Return a 'disabled account' error message
        else:
            result['err'] = "Falscher Benutzername oder falsches Kennwort."
            
        return HttpResponse( simplejson.dumps(result), mimetype='application/json' )
    
    else:
        # TODO check if already logged in --------------------!!!!
        return render( request, 'website/login.html' )