from django.contrib.auth import authenticate, login, logout

from django.contrib.auth.decorators import login_required

from django.core.urlresolvers import reverse

from django.http import HttpResponse, HttpResponseRedirect

from django.shortcuts import render_to_response

from django.template import RequestContext, loader

from django.utils import simplejson

from django.utils.translation import ugettext as _

from forms import EmailChangeForm

from ldt.management import test_cms, test_ldt

# from django.contrib.sites.models import Site, RequestSite

def home(request):

    return render_to_response('ldt/user/home.html', context_instance=RequestContext(request))

@login_required   

def profile(request):

    return render_to_response('ldt/user/profile.html', context_instance=RequestContext(request))

@login_required     

def space(request, page_id=None, slug=None):

    cms = test_cms()

    ldt = test_ldt()

    context = {

        'cms': cms,

        'ldt': ldt

    }

    return render_to_response('ldt/user/space.html', context, context_instance=RequestContext(request))

def logout_view(request):

    logout(request)

    return HttpResponseRedirect(request.META.get('HTTP_REFERER', '/'))

    #return HttpResponseRedirect(settings.LOGOUT_URL)

def loginAjax(request, loginstate_template_name='ldt/user/login_form.html'):

    if request.method == "POST":

        username = request.POST["username"]

        password = request.POST["password"]

        user = authenticate(username=username, password=password)

        error_message = _(u"Sorry, that's not a valid username or password.")

        if user is not None:

            if user.is_active:

                login(request, user)

                context = RequestContext(request, { 'username': user.username, })

                template = loader.get_template(loginstate_template_name)

                html = template.render(context)

                return HttpResponse(simplejson.dumps({'message': u'successful', 'username': user.username, 'html': html, 'reload': request.POST["reload"], }))               

            else:

                return HttpResponse(simplejson.dumps({'message': error_message, }))

        else:

            return HttpResponse(simplejson.dumps({'message': error_message, }))

    return render_to_response('ldt/user/login_ajax.html', context_instance=RequestContext(request))

@login_required              

def change_email(request, post_change_redirect=None):

    if post_change_redirect is None:

        post_change_redirect = reverse('ldt.user.views.change_email_done')

    if request.method == "POST":

        form = EmailChangeForm(request.user, request.POST)

        if form.is_valid():

            form.save()

            return HttpResponseRedirect(post_change_redirect)

    else:

        form = EmailChangeForm(request.user)

    return render_to_response('ldt/user/change_email.html', {'form': form, }, context_instance=RequestContext(request))

@login_required    

def change_email_done(request, template_name='ldt/user/change_email_done.html'):

    return render_to_response(template_name, context_instance=RequestContext(request))