from flask import url_for
from bs4 import BeautifulSoup


def test_render_register_returns_template_with_form(app_):
    response = app_.test_client().get('/register')

    assert response.status_code == 200
    assert 'Create an account' in response.get_data(as_text=True)


def test_logged_in_user_redirects_to_choose_service(app_,
                                                    api_user_active,
                                                    mock_get_user_by_email,
                                                    mock_send_verify_code,
                                                    mock_login):
    with app_.test_request_context():
        with app_.test_client() as client:
            client.login(api_user_active)
            response = client.get(url_for('main.register'))
            assert response.status_code == 302

            response = client.get(url_for('main.sign_in', follow_redirects=True))
            assert response.location == url_for('main.choose_service', _external=True)


def test_process_register_creates_new_user(app_,
                                           mock_send_verify_code,
                                           mock_register_user,
                                           mock_get_user_by_email_not_found,
                                           mock_login):
    user_data = {
        'name': 'Some One Valid',
        'email_address': 'notfound@example.gov.uk',
        'mobile_number': '+4407700900460',
        'password': 'validPassword!'
    }

    with app_.test_request_context():
        response = app_.test_client().post(url_for('main.register'),
                                           data=user_data)
        assert response.status_code == 302
        assert response.location == url_for('main.verify', _external=True)
        assert mock_register_user.called


def test_process_register_returns_400_when_mobile_number_is_invalid(app_,
                                                                    mock_send_verify_code,
                                                                    mock_get_user_by_email_not_found,
                                                                    mock_login):
    with app_.test_request_context():
        response = app_.test_client().post(url_for('main.register'),
                                           data={'name': 'Bad Mobile',
                                                 'email_address': 'bad_mobile@example.gov.uk',
                                                 'mobile_number': 'not good',
                                                 'password': 'validPassword!'})

    assert response.status_code == 200
    assert 'Must not contain letters or symbols' in response.get_data(as_text=True)


def test_should_return_400_when_email_is_not_gov_uk(app_,
                                                    mock_send_verify_code,
                                                    mock_get_user_by_email,
                                                    mock_login):
    with app_.test_request_context():
        response = app_.test_client().post(url_for('main.register'),
                                           data={'name': 'Bad Mobile',
                                                 'email_address': 'bad_mobile@example.not.right',
                                                 'mobile_number': '+44123412345',
                                                 'password': 'validPassword!'})

    assert response.status_code == 200
    assert 'Enter a gov.uk email address' in response.get_data(as_text=True)


def test_should_add_verify_codes_on_session(app_,
                                            mock_send_verify_code,
                                            mock_register_user,
                                            mock_get_user,
                                            mock_get_user_by_email_not_found,
                                            mock_login):
    user_data = {
        'name': 'Test Codes',
        'email_address': 'notfound@example.gov.uk',
        'mobile_number': '+4407700900460',
        'password': 'validPassword!'
    }

    with app_.test_request_context():
        with app_.test_client() as client:
            response = client.post(url_for('main.register'),
                                   data=user_data)
            assert response.status_code == 302
            assert 'notify_admin_session' in response.headers.get('Set-Cookie')


def test_should_return_400_if_password_is_blacklisted(app_,
                                                      mock_get_user_by_email,
                                                      mock_login):
    with app_.test_request_context():
        response = app_.test_client().post(url_for('main.register'),
                                           data={'name': 'Bad Mobile',
                                                 'email_address': 'bad_mobile@example.not.right',
                                                 'mobile_number': '+44123412345',
                                                 'password': 'password1234'})

    response.status_code == 200
    assert 'That password is blacklisted, too common' in response.get_data(as_text=True)


def test_register_with_existing_email_returns_error(app_,
                                                    api_user_active,
                                                    mock_get_user_by_email):
    user_data = {
        'name': 'Already Hasaccount',
        'email_address': api_user_active.email_address,
        'mobile_number': '+4407700900460',
        'password': 'validPassword!'
    }

    with app_.test_request_context():
        response = app_.test_client().post(url_for('main.register'),
                                           data=user_data)
        assert response.status_code == 200
        page = BeautifulSoup(response.data.decode('utf-8'), 'html.parser')
        element = page.find('h1')
        assert element.text == 'Create an account'
        flash_banner = page.find('div', class_='banner-dangerous').string.strip()
        assert flash_banner == 'There was an error registering your account'