# -*- coding: utf-8 -*-
"""
End-to-end tests for the main LMS Dashboard (aka, Student Dashboard).
"""
import datetime
from nose.plugins.attrib import attr

from ..helpers import UniqueCourseTest
from ...fixtures.course import CourseFixture
from ...pages.lms.auto_auth import AutoAuthPage
from ...pages.lms.dashboard import DashboardPage

DEFAULT_SHORT_DATE_FORMAT = "%b %d, %Y"
DEFAULT_DAY_AND_TIME_FORMAT = "%A at %-I%P"


class BaseLmsDashboardTest(UniqueCourseTest):
    """ Base test suite for the LMS Student Dashboard """

    def setUp(self):
        """
        Initializes the components (page objects, courses, users) for this test suite
        """
        # Some parameters are provided by the parent setUp() routine, such as the following:
        # self.course_id, self.course_info, self.unique_id
        super(BaseLmsDashboardTest, self).setUp()

        # Load page objects for use by the tests
        self.dashboard_page = DashboardPage(self.browser)

        # Configure some aspects of the test course and install the settings into the course
        self.course_fixture = CourseFixture(
            self.course_info["org"],
            self.course_info["number"],
            self.course_info["run"],
            self.course_info["display_name"],
        )
        self.course_fixture.add_advanced_settings({
            u"social_sharing_url": {u"value": "http://custom/course/url"}
        })
        self.course_fixture.install()

        # Create the test user, register them for the course, and authenticate
        self.username = "test_{uuid}".format(uuid=self.unique_id[0:6])
        self.email = "{user}@example.com".format(user=self.username)
        AutoAuthPage(
            self.browser,
            username=self.username,
            email=self.email,
            course_id=self.course_id
        ).visit()

        # Navigate the authenticated, enrolled user to the dashboard page and get testing!
        self.dashboard_page.visit()


class LmsDashboardPageTest(BaseLmsDashboardTest):
    """ Test suite for the LMS Student Dashboard page """

    def setUp(self):
        super(LmsDashboardPageTest, self).setUp()

        # now datetime for usage in tests
        self.now = datetime.datetime.now()

    def test_dashboard_course_listings(self):
        """
        Perform a general validation of the course listings section
        """
        course_listings = self.dashboard_page.get_course_listings()
        self.assertEqual(len(course_listings), 1)

    def test_dashboard_social_sharing_feature(self):
        """
        Validate the behavior of the social sharing feature
        """
        twitter_widget = self.dashboard_page.get_course_social_sharing_widget('twitter')
        twitter_url = "https://twitter.com/intent/tweet?text=Testing+feature%3A%20http%3A%2F%2Fcustom%2Fcourse%2Furl"
        self.assertEqual(twitter_widget.attrs('title')[0], 'Share on Twitter')
        self.assertEqual(twitter_widget.attrs('data-tooltip')[0], 'Share on Twitter')
        self.assertEqual(twitter_widget.attrs('aria-haspopup')[0], 'true')
        self.assertEqual(twitter_widget.attrs('aria-expanded')[0], 'false')
        self.assertEqual(twitter_widget.attrs('target')[0], '_blank')
        self.assertIn(twitter_url, twitter_widget.attrs('href')[0])
        self.assertIn(twitter_url, twitter_widget.attrs('onclick')[0])

        facebook_widget = self.dashboard_page.get_course_social_sharing_widget('facebook')
        facebook_url = "https://www.facebook.com/sharer/sharer.php?u=http%3A%2F%2Fcustom%2Fcourse%2Furl"
        self.assertEqual(facebook_widget.attrs('title')[0], 'Share on Facebook')
        self.assertEqual(facebook_widget.attrs('data-tooltip')[0], 'Share on Facebook')
        self.assertEqual(facebook_widget.attrs('aria-haspopup')[0], 'true')
        self.assertEqual(facebook_widget.attrs('aria-expanded')[0], 'false')
        self.assertEqual(facebook_widget.attrs('target')[0], '_blank')
        self.assertIn(facebook_url, facebook_widget.attrs('href')[0])
        self.assertIn(facebook_url, facebook_widget.attrs('onclick')[0])

    def test_ended_course_date(self):
        """
        Scenario:
            Course Date should have the format 'Ended - Sep 23, 2015'
            if the course on student dashboard has ended.

        As a Student,
        Given that I have enrolled to a course
        And the course has ended in the past
        When I visit dashboard page
        Then the course date should have the following format "Ended - %b %d, %Y" e.g. "Ended - Sep 23, 2015"
        """
        course_start_date = datetime.datetime(1970, 1, 1)
        course_end_date = self.now - datetime.timedelta(days=90)

        self.course_fixture.add_course_details({'start_date': course_start_date,
                                                'end_date': course_end_date})
        self.course_fixture.configure_course()

        end_date = course_end_date.strftime(DEFAULT_SHORT_DATE_FORMAT)
        expected_course_date = "Ended - {end_date}".format(end_date=end_date)

        # reload the page for changes to course date changes to appear in dashboard
        self.dashboard_page.visit()

        course_date = self.dashboard_page.get_course_date()

        # Test that proper course date with 'ended' message is displayed if a course has already ended
        self.assertEqual(course_date, expected_course_date)

    def test_running_course_date(self):
        """
        Scenario:
            Course Date should have the format 'Started - Sep 23, 2015'
            if the course on student dashboard is running.

        As a Student,
        Given that I have enrolled to a course
        And the course has started
        And the course is in progress
        When I visit dashboard page
        Then the course date should have the following format "Started - %b %d, %Y" e.g. "Started - Sep 23, 2015"
        """
        course_start_date = datetime.datetime(1970, 1, 1)
        course_end_date = self.now + datetime.timedelta(days=90)

        self.course_fixture.add_course_details({'start_date': course_start_date,
                                                'end_date': course_end_date})
        self.course_fixture.configure_course()

        start_date = course_start_date.strftime(DEFAULT_SHORT_DATE_FORMAT)
        expected_course_date = "Started - {start_date}".format(start_date=start_date)

        # reload the page for changes to course date changes to appear in dashboard
        self.dashboard_page.visit()

        course_date = self.dashboard_page.get_course_date()

        # Test that proper course date with 'started' message is displayed if a course is in running state
        self.assertEqual(course_date, expected_course_date)

    def test_future_course_date(self):
        """
        Scenario:
            Course Date should have the format 'Starts - Sep 23, 2015'
            if the course on student dashboard starts in future.

        As a Student,
        Given that I have enrolled to a course
        And the course starts in future
        And the course does not start within 5 days
        When I visit dashboard page
        Then the course date should have the following format "Starts - %b %d, %Y" e.g. "Starts - Sep 23, 2015"
        """
        course_start_date = self.now + datetime.timedelta(days=30)
        course_end_date = self.now + datetime.timedelta(days=365)

        self.course_fixture.add_course_details({'start_date': course_start_date,
                                                'end_date': course_end_date})
        self.course_fixture.configure_course()

        start_date = course_start_date.strftime(DEFAULT_SHORT_DATE_FORMAT)
        expected_course_date = "Starts - {start_date}".format(start_date=start_date)

        # reload the page for changes to course date changes to appear in dashboard
        self.dashboard_page.visit()

        course_date = self.dashboard_page.get_course_date()

        # Test that proper course date with 'starts' message is displayed if a course is about to start in future,
        # and course does not start within 5 days
        self.assertEqual(course_date, expected_course_date)

    def test_near_future_course_date(self):
        """
        Scenario:
            Course Date should have the format 'Starts - Wednesday at 5am UTC'
            if the course on student dashboard starts within 5 days.

        As a Student,
        Given that I have enrolled to a course
        And the course starts within 5 days
        When I visit dashboard page
        Then the course date should have the following format "Starts - %A at %-I%P UTC"
            e.g. "Starts - Wednesday at 5am UTC"
        """
        course_start_date = self.now + datetime.timedelta(days=2)
        course_end_date = self.now + datetime.timedelta(days=365)

        self.course_fixture.add_course_details({'start_date': course_start_date,
                                                'end_date': course_end_date})
        self.course_fixture.configure_course()

        start_date = course_start_date.strftime(DEFAULT_DAY_AND_TIME_FORMAT)
        expected_course_date = "Starts - {start_date} UTC".format(start_date=start_date)

        # reload the page for changes to course date changes to appear in dashboard
        self.dashboard_page.visit()

        course_date = self.dashboard_page.get_course_date()

        # Test that proper course date with 'starts' message is displayed if a course is about to start in future,
        # and course starts within 5 days
        self.assertEqual(course_date, expected_course_date)


@attr('a11y')
class LmsDashboardA11yTest(BaseLmsDashboardTest):
    """
    Class to test lms student dashboard accessibility.
    """

    def test_dashboard_course_listings_a11y(self):
        """
        Test the accessibility of the course listings
        """
        course_listings = self.dashboard_page.get_course_listings()
        self.assertEqual(len(course_listings), 1)

        self.dashboard_page.a11y_audit.config.set_rules({
            "ignore": [
                'link-href',  # TODO: AC-238
            ],
        })

        self.dashboard_page.a11y_audit.check_for_accessibility_errors()
