from formencode import htmlfill

from pylons import request, response, session, tmpl_context as c, url

from pylons.controllers.util import abort, redirect

from pylons_app.lib.base import BaseController, render

import formencode

from pylons_app.model.forms import LoginForm

from pylons_app.lib.auth import AuthUser

log = logging.getLogger(__name__)

class LoginController(BaseController):

    def index(self):

        #redirect if already logged in

        if c.hg_app_user.is_authenticated:

            return redirect(url('hg_home'))

        if request.POST:

            #import Login Form validator class

            login_form = LoginForm()

            try:

                c.form_result = login_form.to_python(dict(request.POST))

                return redirect(url('hg_home'))

            except formencode.Invalid as errors:

                c.form_errors = errors.error_dict

                return htmlfill.render(

                    render('/login.html'),

                    defaults=errors.value,

                    encoding="UTF-8")

        return render('/login.html')

    def logout(self):

        session['hg_app_user'] = AuthUser()

        session.save()

        redirect(url('hg_home'))