from decimal import Decimal as D

from django.core.urlresolvers import reverse

from oscar.apps.dashboard.views import IndexView
from oscar.test import ClientTestCase
from oscar.test.helpers import create_order


class AnonymousUserTests(ClientTestCase):
    is_anonymous = True

    def test_login_form_is_displayed_for_anon_user(self):
        response = self.client.get(reverse('dashboard:index'), follow=True)
        self.assertContains(response, 'login-username', status_code=200)


class DashboardViewTests(ClientTestCase):
    is_staff = True

    def test_dashboard_index_is_for_staff_only(self):
        urls = ('dashboard:index',
                'dashboard:order-list',
                'dashboard:users-index',)
        for name in urls:
            response = self.client.get(reverse(name))
            self.assertTrue('Password' not in response.content)

    def test_dashboard_hourly_report_with_no_orders(self):
        report = IndexView().get_hourly_report()
        self.assertItemsEqual(report, ['order_total_hourly', 'max_revenue',
                                       'y_range'])
        self.assertEquals(len(report['order_total_hourly']), 24)
        self.assertEquals(len(report['y_range']), 0)
        self.assertEquals(report['max_revenue'], 0)

    def test_dashboard_hourly_report_with_orders(self):
        create_order(total_incl_tax=D('34.05'), total_excl_tax=D('34.05'))
        create_order(total_incl_tax=D('21.90'), total_excl_tax=D('21.90'))
        report = IndexView().get_hourly_report()

        self.assertEquals(len(report['order_total_hourly']), 24)
        self.assertEquals(len(report['y_range']), 11)
        self.assertEquals(report['max_revenue'], D('60'))

    def test_dashboard_index_has_stats_vars_in_context(self):
        response = self.client.get(reverse('dashboard:index'))

        self.assertInContext(response, 'total_orders_last_day')
        self.assertInContext(response, 'total_lines_last_day')
        self.assertInContext(response, 'average_order_costs')
        self.assertInContext(response, 'total_revenue_last_day')
        self.assertInContext(response, 'hourly_report_dict')

        self.assertInContext(response, 'total_products')
        self.assertInContext(response, 'total_open_stock_alerts')
        self.assertInContext(response, 'total_closed_stock_alerts')

        self.assertInContext(response, 'total_site_offers')
        self.assertInContext(response, 'total_vouchers')

        self.assertInContext(response, 'total_orders')
        self.assertInContext(response, 'total_lines')
        self.assertInContext(response, 'total_revenue')
        self.assertInContext(response, 'order_status_breakdown')