import pytest

from app.main.forms import get_placeholder_form_instance


def test_form_class_not_mutated(app_):

    with app_.test_request_context(
        method='POST',
        data={'placeholder_value': ''}
    ):
        form1 = get_placeholder_form_instance('name', {}, 'sms', optional_placeholder=False)
        form2 = get_placeholder_form_instance('city', {}, 'sms', optional_placeholder=True)

        assert not form1.validate_on_submit()
        assert form2.validate_on_submit()

        assert str(form1.placeholder_value.label) == '<label for="placeholder_value">name</label>'
        assert str(form2.placeholder_value.label) == '<label for="placeholder_value">city</label>'


@pytest.mark.parametrize('service_can_send_international_sms, placeholder_name, template_type, value, expected_error', [

    (False, 'email address', 'email', '', 'Can’t be empty'),
    (False, 'email address', 'email', '12345', 'Enter a valid email address'),
    (False, 'email address', 'email', '“bad”@email-address.com', 'Enter a valid email address'),
    (False, 'email address', 'email', 'test@example.com', None),
    (False, 'email address', 'email', 'test@example.gov.uk', None),

    (False, 'phone number', 'sms', '', 'Can’t be empty'),
    (False, 'phone number', 'sms', '+1-2345-678890', 'Not a UK mobile number'),
    (False, 'phone number', 'sms', '07900900123', None),
    (False, 'phone number', 'sms', '+44(0)7900 900-123', None),

    (True, 'phone number', 'sms', '+123', 'Not enough digits'),
    (True, 'phone number', 'sms', '+44(0)7900 900-123', None),
    (True, 'phone number', 'sms', '+1-2345-678890', None),

    (False, 'anything else', 'sms', '', 'Can’t be empty'),
    (False, 'anything else', 'email', '', 'Can’t be empty'),

    (True, 'phone number', 'sms', 'invalid', 'Must not contain letters or symbols'),
    (True, 'phone number', 'email', 'invalid', None),
    (True, 'phone number', 'letter', 'invalid', None),
    (True, 'email address', 'sms', 'invalid', None),

])
def test_validates_recipients(
    app_,
    placeholder_name,
    template_type,
    value,
    service_can_send_international_sms,
    expected_error,
):
    with app_.test_request_context(
        method='POST',
        data={'placeholder_value': value}
    ):
        form = get_placeholder_form_instance(
            placeholder_name,
            {},
            template_type,
            allow_international_phone_numbers=service_can_send_international_sms,
        )

        if expected_error:
            assert not form.validate_on_submit()
            assert form.placeholder_value.errors[0] == expected_error
        else:
            assert form.validate_on_submit()