from django.core.urlresolvers import reverse

from oscar.test.testcases import WebTestCase
from oscar.apps.catalogue.models import Category
from oscar.apps.catalogue.categories import create_from_breadcrumbs
from oscar.test.factories import UserFactory


class TestCategoryDashboard(WebTestCase):

    def setUp(self):
        self.staff = UserFactory(is_staff=True)
        create_from_breadcrumbs('A > B > C')

    def test_redirects_to_main_dashboard_after_creating_top_level_category(self):
        a = Category.objects.get(name='A')
        category_add = self.app.get(reverse('dashboard:catalogue-category-create'),
                                    user=self.staff)
        form = category_add.form
        form['name'] = 'Top-level category'
        form['_position'] = 'right'
        form['_ref_node_id'] = a.id
        response = form.submit()
        self.assertRedirects(response,
                             reverse('dashboard:catalogue-category-list'))

    def test_redirects_to_parent_list_after_creating_child_category(self):
        b = Category.objects.get(name='B')
        c = Category.objects.get(name='C')
        category_add = self.app.get(reverse('dashboard:catalogue-category-create'),
                                    user=self.staff)
        form = category_add.form
        form['name'] = 'Child category'
        form['_position'] = 'left'
        form['_ref_node_id'] = c.id
        response = form.submit()
        self.assertRedirects(response,
                             reverse('dashboard:catalogue-category-detail-list',
                                    args=(b.pk,)))

    def test_handles_invalid_form_gracefully(self):
        dashboard_index = self.app.get(reverse('dashboard:index'),
                                       user=self.staff)
        category_index = dashboard_index.click("Categories")
        category_add = category_index.click("Create new category")
        response = category_add.form.submit()
        self.assertEqual(200, response.status_code)
