from flask import url_for

from bs4 import BeautifulSoup


def test_should_return_verify_template(app_,
                                       api_user_active,
                                       mock_send_verify_code):
    with app_.test_request_context():
        with app_.test_client() as client:
            # TODO this lives here until we work out how to
            # reassign the session after it is lost mid register process
            with client.session_transaction() as session:
                session['user_details'] = {'email_address': api_user_active.email_address, 'id': api_user_active.id}
            response = client.get(url_for('main.verify'))
            assert response.status_code == 200

            page = BeautifulSoup(response.data.decode('utf-8'), 'html.parser')
            assert page.h1.text == 'Check your phone'
            message = page.find_all('p')[1].text
            assert message == "We’ve sent you a text message with a security code."


def test_should_redirect_to_add_service_when_sms_code_is_correct(app_,
                                                                 api_user_active,
                                                                 mock_get_user,
                                                                 mock_update_user,
                                                                 mock_check_verify_code):
    with app_.test_request_context():
        with app_.test_client() as client:
            with client.session_transaction() as session:
                session['user_details'] = {'email_address': api_user_active.email_address, 'id': api_user_active.id}
            response = client.post(url_for('main.verify'),
                                   data={'sms_code': '12345'})
            assert response.status_code == 302
            assert response.location == url_for('main.add_service', first='first', _external=True)

            mock_check_verify_code.assert_called_once_with(api_user_active.id, '12345', 'sms')


def test_should_activate_user_after_verify(app_,
                                           mocker,
                                           api_user_pending,
                                           mock_send_verify_code,
                                           mock_check_verify_code,
                                           mock_update_user):
    mocker.patch('app.user_api_client.get_user', return_value=api_user_pending)
    with app_.test_request_context():
        with app_.test_client() as client:
            with client.session_transaction() as session:
                session['user_details'] = {'email_address': api_user_pending.email_address, 'id': api_user_pending.id}
            client.post(url_for('main.verify'),
                        data={'sms_code': '12345'})
            assert mock_update_user.called


def test_should_return_200_when_sms_code_is_wrong(app_,
                                                  api_user_active,
                                                  mock_get_user,
                                                  mock_check_verify_code_code_not_found):
    with app_.test_request_context():
        with app_.test_client() as client:
            with client.session_transaction() as session:
                session['user_details'] = {'email_address': api_user_active.email_address, 'id': api_user_active.id}
            response = client.post(url_for('main.verify'),
                                   data={'sms_code': '12345'})
            assert response.status_code == 200
            resp_data = response.get_data(as_text=True)
            assert resp_data.count('Code not found') == 1


def test_verify_email_redirects_to_verify_if_token_valid(app_,
                                                         mocker,
                                                         api_user_pending,
                                                         mock_get_user_pending,
                                                         mock_send_verify_code,
                                                         mock_check_verify_code):
    import json
    token_data = {"user_id": api_user_pending.id, "secret_code": 12345}
    mocker.patch('app.main.views.verify.check_token', return_value=json.dumps(token_data))

    with app_.test_request_context():
        with app_.test_client() as client:
            with client.session_transaction() as session:
                session['user_details'] = {'email_address': api_user_pending.email_address, 'id': api_user_pending.id}

            response = client.get(url_for('main.verify_email', token='notreal'))

            assert response.status_code == 302
            assert response.location == url_for('main.verify', _external=True)


def test_verify_email_redirects_to_email_sent_if_token_expired(app_,
                                                               mocker,
                                                               api_user_pending,
                                                               mock_check_verify_code):
    from itsdangerous import SignatureExpired
    mocker.patch('app.main.views.verify.check_token', side_effect=SignatureExpired('expired'))

    with app_.test_request_context():
        with app_.test_client() as client:
            with client.session_transaction() as session:
                session['user_details'] = {'email_address': api_user_pending.email_address, 'id': api_user_pending.id}

            response = client.get(url_for('main.verify_email', token='notreal'))

            assert response.status_code == 302
            assert response.location == url_for('main.resend_email_verification', _external=True)


def test_verify_email_redirects_to_email_sent_if_token_used(app_,
                                                            mocker,
                                                            api_user_pending,
                                                            mock_get_user_pending,
                                                            mock_send_verify_code,
                                                            mock_check_verify_code_code_expired):
    from itsdangerous import SignatureExpired
    mocker.patch('app.main.views.verify.check_token', side_effect=SignatureExpired('expired'))

    with app_.test_request_context():
        with app_.test_client() as client:
            with client.session_transaction() as session:
                session['user_details'] = {'email_address': api_user_pending.email_address, 'id': api_user_pending.id}

            response = client.get(url_for('main.verify_email', token='notreal'))

            assert response.status_code == 302
            assert response.location == url_for('main.resend_email_verification', _external=True)


def test_verify_email_redirects_to_sign_in_if_user_active(app_,
                                                          mocker,
                                                          api_user_active,
                                                          mock_get_user,
                                                          mock_send_verify_code,
                                                          mock_check_verify_code):
    import json
    token_data = {"user_id": api_user_active.id, "secret_code": 12345}
    mocker.patch('app.main.views.verify.check_token', return_value=json.dumps(token_data))

    with app_.test_request_context():
        with app_.test_client() as client:
            with client.session_transaction() as session:
                session['user_details'] = {'email_address': api_user_active.email_address, 'id': api_user_active.id}

            response = client.get(url_for('main.verify_email', token='notreal'), follow_redirects=True)
            page = BeautifulSoup(response.data.decode('utf-8'), 'html.parser')
            assert page.h1.text == 'Sign in'
            flash_banner = page.find('div', class_='banner-dangerous').string.strip()
            assert flash_banner == "That verification link has expired."


def test_verify_redirects_to_sign_in_if_not_logged_in(app_):
    with app_.test_request_context(), app_.test_client() as client:
        response = client.get(url_for('main.verify'))

        assert response.location == url_for('main.sign_in', _external=True)
        assert response.status_code == 302