from django.contrib.auth import authenticate, login
from django.core.urlresolvers import reverse
from django import forms
from django.http import HttpResponseRedirect, HttpResponse
from django.shortcuts import render_to_response
from django.template import RequestContext

def login(request):
    if request.method == 'POST':
        form = ContactForm(request.POST)
        if form.is_valid():
            login(request, form.user)
            return HttpResponseRedirect ('/main/') # redirect after post
    else:
        form = ContactForm() # unbound form

    return render_to_response (
        "login.html", {'form' : form, }, context_instance=RequestContext(request))

def main_page(request):
    return HttpResponse("WOOHOO")

class ContactForm(forms.Form):
    username = forms.CharField(max_length=100)
    password = forms.CharField(widget=forms.PasswordInput(render_value=False))

    def clean(self):
        user = self.user
        if user and user.is_active:
            return self.cleaned_data
        raise forms.ValidationError("Username and password do not match")

    @property
    def user(self):
        return authenticate(
            username=self.cleaned_data.get("username"),
            password=self.cleaned_data.get("password"))