from freezegun import freeze_time
from flask import url_for
from functools import partial
import pytest

from notifications_utils.template import LetterImageTemplate
from tests.conftest import mock_get_notification, SERVICE_ONE_ID, normalize_spaces


@pytest.mark.parametrize('notification_status, expected_status', [
    ('created', 'Sending'),
    ('sending', 'Sending'),
    ('delivered', 'Delivered'),
    ('failed', 'Failed'),
    ('temporary-failure', 'Phone not accepting messages right now'),
    ('permanent-failure', 'Phone number doesn’t exist'),
    ('technical-failure', 'Technical failure'),
])
@freeze_time("2016-01-01 11:09:00.061258")
def test_notification_status_page_shows_details(
    client_request,
    mocker,
    service_one,
    fake_uuid,
    notification_status,
    expected_status,
):

    _mock_get_notification = mock_get_notification(
        mocker,
        fake_uuid,
        notification_status=notification_status
    )

    page = client_request.get(
        'main.view_notification',
        service_id=service_one['id'],
        notification_id=fake_uuid
    )

    assert normalize_spaces(page.select('.sms-message-recipient')[0].text) == (
        'To: 07123456789'
    )
    assert normalize_spaces(page.select('.sms-message-wrapper')[0].text) == (
        'service one: hello Jo'
    )
    assert normalize_spaces(page.select('.ajax-block-container p')[0].text) == (
        expected_status
    )

    _mock_get_notification.assert_called_with(
        service_one['id'],
        fake_uuid
    )


@pytest.mark.parametrize('template_redaction_setting, expected_content', [
    (False, 'service one: hello Jo'),
    (True, 'service one: hello hidden'),
])
@freeze_time("2016-01-01 11:09:00.061258")
def test_notification_status_page_respects_redaction(
    client_request,
    mocker,
    service_one,
    fake_uuid,
    template_redaction_setting,
    expected_content,
):

    _mock_get_notification = mock_get_notification(
        mocker,
        fake_uuid,
        redact_personalisation=template_redaction_setting,
    )

    page = client_request.get(
        'main.view_notification',
        service_id=service_one['id'],
        notification_id=fake_uuid
    )

    assert normalize_spaces(page.select('.sms-message-wrapper')[0].text) == expected_content

    _mock_get_notification.assert_called_with(
        service_one['id'],
        fake_uuid,
    )


@freeze_time("2012-01-01 01:01")
def test_notification_page_doesnt_link_to_template_in_tour(
    client_request,
    fake_uuid,
    mock_get_notification,
):

    page = client_request.get(
        'main.view_notification',
        service_id=SERVICE_ONE_ID,
        notification_id=fake_uuid,
        help=3,
    )

    assert normalize_spaces(page.select('main p:nth-of-type(1)')[0].text) == (
        'sample template sent by Test User on 1 January at 1:01am'
    )
    assert len(page.select('main p:nth-of-type(1) a')) == 0


@freeze_time("2016-01-01 01:01")
def test_notification_page_shows_page_for_letter_notification(
    client_request,
    mocker,
    fake_uuid,
):

    count_of_pages = 3

    mock_get_notification(mocker, fake_uuid, template_type='letter')
    mocker.patch(
        'app.main.views.notifications.get_page_count_for_letter',
        return_value=count_of_pages
    )

    page = client_request.get(
        'main.view_notification',
        service_id=SERVICE_ONE_ID,
        notification_id=fake_uuid,
    )

    assert normalize_spaces(page.select('main p:nth-of-type(1)')[0].text) == (
        'sample template sent by Test User on 1 January at 1:01am'
    )
    assert normalize_spaces(page.select('main p:nth-of-type(2)')[0].text) == (
        'Estimated delivery date: 6 January'
    )
    assert page.select('p.notification-status') == []

    letter_images = page.select('main img')

    assert len(letter_images) == count_of_pages

    for index in range(1, count_of_pages + 1):
        assert page.select('img')[index]['src'].endswith(
            '.png?page={}'.format(index)
        )


@pytest.mark.parametrize('filetype', [
    'pdf', 'png'
])
def test_should_show_image_of_letter_notification(
    logged_in_client,
    fake_uuid,
    mocker,
    filetype,
):

    mock_get_notification(mocker, fake_uuid, template_type='letter')

    mocked_preview = mocker.patch(
        'app.main.views.templates.TemplatePreview.from_utils_template',
        return_value='foo'
    )

    response = logged_in_client.get(url_for(
        'main.view_letter_notification_as_preview',
        service_id=SERVICE_ONE_ID,
        notification_id=fake_uuid,
        filetype=filetype
    ))

    assert response.status_code == 200
    assert response.get_data(as_text=True) == 'foo'
    assert isinstance(mocked_preview.call_args[0][0], LetterImageTemplate)
    assert mocked_preview.call_args[0][1] == filetype


def test_should_404_for_unknown_extension(
    client_request,
    fake_uuid,
):
    client_request.get(
        'main.view_letter_notification_as_preview',
        service_id=SERVICE_ONE_ID,
        notification_id=fake_uuid,
        filetype='docx',
        _expected_status=404,
    )


@pytest.mark.parametrize('service_permissions, template_type, link_expected', [
    ([], '', False),
    (['inbound_sms'], 'email', False),
    (['inbound_sms'], 'letter', False),
    (['inbound_sms'], 'sms', True),
])
def test_notification_page_has_link_to_send_another_for_sms(
    client_request,
    mocker,
    fake_uuid,
    service_one,
    service_permissions,
    template_type,
    link_expected,
):

    service_one['permissions'] = service_permissions
    mock_get_notification(mocker, fake_uuid, template_type=template_type)
    mocker.patch(
        'app.main.views.notifications.get_page_count_for_letter',
        return_value=1
    )

    page = client_request.get(
        'main.view_notification',
        service_id=SERVICE_ONE_ID,
        notification_id=fake_uuid,
    )

    last_paragraph = page.select('main p')[-1]
    conversation_link = url_for(
        '.conversation',
        service_id=SERVICE_ONE_ID,
        notification_id=fake_uuid,
        _anchor='n{}'.format(fake_uuid),
    )

    if link_expected:
        assert normalize_spaces(last_paragraph.text) == (
            'See all text messages sent to this phone number'
        )
        assert last_paragraph.select_one('a')['href'] == conversation_link
    else:
        assert conversation_link not in str(page.select_one('main'))


@pytest.mark.parametrize('template_type, expected_link', [
    ('email', lambda notification_id: None),
    ('sms', lambda notification_id: None),
    ('letter', partial(
        url_for,
        'main.view_letter_notification_as_preview',
        service_id=SERVICE_ONE_ID,
        filetype='pdf'
    )),
])
def test_notification_page_has_link_to_download_letter(
    client_request,
    mocker,
    fake_uuid,
    service_one,
    template_type,
    expected_link,
):

    mock_get_notification(mocker, fake_uuid, template_type=template_type)
    mocker.patch(
        'app.main.views.notifications.get_page_count_for_letter',
        return_value=1
    )

    page = client_request.get(
        'main.view_notification',
        service_id=SERVICE_ONE_ID,
        notification_id=fake_uuid,
    )

    try:
        download_link = page.select_one('a[download]')['href']
    except TypeError:
        download_link = None

    assert download_link == expected_link(notification_id=fake_uuid)