# This file contains all the views that concern the user model
from django.shortcuts import render, redirect, get_object_or_404
from django.contrib.auth import logout as auth_logout, views
from django.core.urlresolvers import reverse
from django.core.exceptions import PermissionDenied, ObjectDoesNotExist
from django.views.generic.edit import UpdateView
from django.views.generic import ListView, DetailView, TemplateView
import logging

from core.views import CanViewMixin, CanEditMixin, CanEditPropMixin
from core.views.forms import RegisteringForm, UserPropForm
from core.models import User

def login(request):
    """
    The login view

    Needs to be improve with correct handling of form exceptions
    """
    return views.login(request, template_name="core/login.jinja")

def logout(request):
    """
    The logout view
    """
    return views.logout_then_login(request)

def password_change(request):
    """
    Allows a user to change its password
    """
    return views.password_change(request, template_name="core/password_change.jinja", post_change_redirect=reverse("core:password_change_done"))

def password_change_done(request):
    """
    Allows a user to change its password
    """
    return views.password_change_done(request, template_name="core/password_change_done.jinja")

def password_reset(request):
    """
    Allows someone to enter an email adresse for resetting password
    """
    return views.password_reset(request,
                                template_name="core/password_reset.jinja",
                                email_template_name="core/password_reset_email.jinja",
                                post_reset_redirect="core:password_reset_done",
                               )

def password_reset_done(request):
    """
    Confirm that the reset email has been sent
    """
    return views.password_reset_done(request, template_name="core/password_reset_done.jinja")

def password_reset_confirm(request, uidb64=None, token=None):
    """
    Provide a reset password formular
    """
    return views.password_reset_confirm(request, uidb64=uidb64, token=token,
                                        post_reset_redirect="core:password_reset_complete",
                                        template_name="core/password_reset_confirm.jinja",
                                       )

def password_reset_complete(request):
    """
    Confirm the password has sucessfully been reset
    """
    return views.password_reset_complete(request,
                                         template_name="core/password_reset_complete.jinja",
                                        )


def register(request):
    context = {'title': 'Register a user'}
    if request.method == 'POST':
        form = RegisteringForm(request.POST)
        if form.is_valid():
            logging.debug("Registering "+form.cleaned_data['first_name']+form.cleaned_data['last_name'])
            u = form.save()
            context['user_registered'] = u
            context['tests'] = 'TEST_REGISTER_USER_FORM_OK'
            form = RegisteringForm()
        else:
            context['error'] = 'Erreur'
            context['tests'] = 'TEST_REGISTER_USER_FORM_FAIL'
    else:
        form = RegisteringForm()
    context['form'] = form.as_p()
    return render(request, "core/register.jinja", context)

class UserView(CanViewMixin, DetailView):
    """
    Display a user's profile
    """
    model = User
    pk_url_kwarg = "user_id"
    context_object_name = "profile"
    template_name = "core/user_detail.jinja"

class UserListView(ListView):
    """
    Displays the user list
    """
    model = User
    template_name = "core/user_list.jinja"

class UserUpdateProfileView(CanEditMixin, UpdateView):
    """
    Edit a user's profile
    """
    model = User
    pk_url_kwarg = "user_id"
    template_name = "core/user_edit.jinja"
    fields = ('first_name', 'last_name', 'nick_name', 'email', 'date_of_birth', )

class UserUpdatePropView(CanEditPropMixin, UpdateView):
    """
    Edit a user's groups
    """
    model = User
    pk_url_kwarg = "user_id"
    template_name = "core/user_prop.jinja"
    form_class = UserPropForm
    context_object_name = "profile"

class UserToolsView(TemplateView):
    """
    Displays the logged user's tools
    """
    template_name = "core/user_tools.jinja"