from functools import partial
from unittest.mock import ANY, Mock

import pytest
from flask import url_for
from freezegun import freeze_time
from notifications_python_client.errors import HTTPError

from tests import sample_uuid, template_json, validate_route_permission
from tests.app.main.views.test_template_folders import (
    CHILD_FOLDER_ID,
    FOLDER_TWO_ID,
    PARENT_FOLDER_ID,
    _folder,
    _template,
)
from tests.conftest import (
    SERVICE_ONE_ID,
    SERVICE_TWO_ID,
    TEMPLATE_ONE_ID,
    ElementNotFound,
    create_active_caseworking_user,
    create_active_user_view_permissions,
    create_letter_contact_block,
    create_template,
    normalize_spaces,
)


def test_should_show_empty_page_when_no_templates(
    client_request,
    service_one,
    mock_get_service_templates_when_no_templates_exist,
    mock_get_template_folders,
):

    page = client_request.get(
        'main.choose_template',
        service_id=service_one['id'],
    )

    assert normalize_spaces(page.select_one('h1').text) == (
        'Templates'
    )
    assert normalize_spaces(page.select_one('main p').text) == (
        'You need a template before you can send emails or text messages.'
    )
    assert page.select_one('#add_new_folder_form')
    assert page.select_one('#add_new_template_form')


def test_should_show_add_template_form_if_service_has_folder_permission(
    client_request,
    service_one,
    mock_get_service_templates_when_no_templates_exist,
    mock_get_template_folders,
):
    page = client_request.get(
        'main.choose_template',
        service_id=service_one['id'],
    )

    assert normalize_spaces(page.select_one('h1').text) == (
        'Templates'
    )
    assert normalize_spaces(page.select_one('main p').text) == (
        'You need a template before you can send emails or text messages.'
    )
    assert [
        (item['name'], item['value']) for item in page.select('[type=radio]')
    ] == [
        ('add_template_by_template_type', 'email'),
        ('add_template_by_template_type', 'sms'),
    ]
    assert not page.select('main a')


@pytest.mark.parametrize(
    'user, expected_page_title, extra_args, expected_nav_links, expected_templates',
    [
        (
            create_active_user_view_permissions(),
            'Templates',
            {},
            ['Email', 'Text message', 'Letter'],
            [
                'sms_template_one',
                'sms_template_two',
                'email_template_one',
                'email_template_two',
                'letter_template_one',
                'letter_template_two',
            ]
        ),
        (
            create_active_user_view_permissions(),
            'Templates',
            {'template_type': 'sms'},
            ['All', 'Email', 'Letter'],
            ['sms_template_one', 'sms_template_two'],
        ),
        (
            create_active_user_view_permissions(),
            'Templates',
            {'template_type': 'email'},
            ['All', 'Text message', 'Letter'],
            ['email_template_one', 'email_template_two'],
        ),
        (
            create_active_user_view_permissions(),
            'Templates',
            {'template_type': 'letter'},
            ['All', 'Email', 'Text message'],
            ['letter_template_one', 'letter_template_two'],
        ),
        (
            create_active_caseworking_user(),
            'Templates',
            {},
            ['Email', 'Text message', 'Letter'],
            [
                'sms_template_one',
                'sms_template_two',
                'email_template_one',
                'email_template_two',
                'letter_template_one',
                'letter_template_two',
            ],
        ),
        (
            create_active_caseworking_user(),
            'Templates',
            {'template_type': 'email'},
            ['All', 'Text message', 'Letter'],
            ['email_template_one', 'email_template_two'],
        ),
    ]
)
def test_should_show_page_for_choosing_a_template(
    client_request,
    mock_get_service_templates,
    mock_get_template_folders,
    mock_has_no_jobs,
    extra_args,
    expected_nav_links,
    expected_templates,
    service_one,
    mocker,
    user,
    expected_page_title,
):
    service_one['permissions'].append('letter')
    client_request.login(user)

    page = client_request.get(
        'main.choose_template',
        service_id=service_one['id'],
        **extra_args
    )

    assert normalize_spaces(page.select_one('h1').text) == expected_page_title

    links_in_page = page.select('.pill a')

    assert len(links_in_page) == len(expected_nav_links)

    for index, expected_link in enumerate(expected_nav_links):
        assert links_in_page[index].text.strip() == expected_link

    template_links = page.select('.message-name a')

    assert len(template_links) == len(expected_templates)

    for index, expected_template in enumerate(expected_templates):
        assert template_links[index].text.strip() == expected_template

    mock_get_service_templates.assert_called_once_with(SERVICE_ONE_ID)
    mock_get_template_folders.assert_called_once_with(SERVICE_ONE_ID)


def test_choose_template_can_pass_through_an_initial_state_to_templates_and_folders_selection_form(
    client_request,
    mock_get_template_folders,
    mock_get_service_templates,
):
    page = client_request.get(
        'main.choose_template',
        service_id=SERVICE_ONE_ID,
        initial_state='add-new-template'
    )

    templates_and_folders_form = page.find('form')
    assert templates_and_folders_form['data-prev-state'] == 'add-new-template'


def test_should_not_show_template_nav_if_only_one_type_of_template(
    client_request,
    mock_get_template_folders,
    mock_get_service_templates_with_only_one_template,
):

    page = client_request.get(
        'main.choose_template',
        service_id=SERVICE_ONE_ID,
    )

    assert not page.select('.pill')


def test_should_not_show_live_search_if_list_of_templates_fits_onscreen(
    client_request,
    mock_get_template_folders,
    mock_get_service_templates
):

    page = client_request.get(
        'main.choose_template',
        service_id=SERVICE_ONE_ID,
    )

    assert not page.select('.live-search')


def test_should_show_live_search_if_list_of_templates_taller_than_screen(
    client_request,
    mock_get_template_folders,
    mock_get_more_service_templates_than_can_fit_onscreen
):

    page = client_request.get(
        'main.choose_template',
        service_id=SERVICE_ONE_ID,
    )
    search = page.select_one('.live-search')

    assert search['data-module'] == 'live-search'
    assert search['data-targets'] == '#template-list .template-list-item'

    assert len(page.select(search['data-targets'])) == len(page.select('.message-name')) == 14


def test_should_show_live_search_if_service_has_lots_of_folders(
    client_request,
    mock_get_template_folders,
    mock_get_service_templates,  # returns 4 templates
):

    mock_get_template_folders.return_value = [
        _folder('one', PARENT_FOLDER_ID),
        _folder('two', None, parent=PARENT_FOLDER_ID),
        _folder('three', None, parent=PARENT_FOLDER_ID),
        _folder('four', None, parent=PARENT_FOLDER_ID),
    ]

    page = client_request.get(
        'main.choose_template',
        service_id=SERVICE_ONE_ID,
    )

    count_of_templates_and_folders = len(page.select('.message-name'))
    count_of_folders = len(page.select('.template-list-folder:first-child'))
    count_of_templates = count_of_templates_and_folders - count_of_folders

    assert len(page.select('.live-search')) == 1
    assert count_of_folders == 4
    assert count_of_templates == 4


@pytest.mark.parametrize('extra_permissions, expected_values, expected_labels', (
    pytest.param([], [
        'email',
        'sms',
        'copy-existing',
    ], [
        'Email',
        'Text message',
        'Copy an existing template',
    ]),
    pytest.param(['letter'], [
        'email',
        'sms',
        'letter',
        'copy-existing',
    ], [
        'Email',
        'Text message',
        'Letter',
        'Copy an existing template',
    ]),
))
def test_should_show_new_template_choices_if_service_has_folder_permission(
    client_request,
    service_one,
    mock_get_service_templates,
    mock_get_template_folders,
    extra_permissions,
    expected_values,
    expected_labels,
):
    service_one['permissions'] += extra_permissions

    page = client_request.get(
        'main.choose_template',
        service_id=SERVICE_ONE_ID,
    )

    if not page.select('#add_new_template_form'):
        raise ElementNotFound()

    assert normalize_spaces(page.select_one('#add_new_template_form fieldset legend').text) == (
        'New template'
    )
    assert [
        choice['value'] for choice in page.select('#add_new_template_form input[type=radio]')
    ] == expected_values
    assert [
        normalize_spaces(choice.text) for choice in page.select('#add_new_template_form label')
    ] == expected_labels


def test_should_show_page_for_one_template(
    client_request,
    mock_get_service_template,
    fake_uuid,
):
    template_id = fake_uuid
    page = client_request.get(
        '.edit_service_template',
        service_id=SERVICE_ONE_ID,
        template_id=template_id,
    )

    assert page.select_one('input[type=text]')['value'] == "Two week reminder"
    assert "Template <em>content</em> with & entity" in str(
        page.select_one('textarea')
    )
    assert page.select_one('textarea')['data-module'] == 'enhanced-textbox'
    assert page.select_one('textarea')['data-highlight-placeholders'] == 'true'
    assert "priority" not in str(page.select_one('main'))
    mock_get_service_template.assert_called_with(SERVICE_ONE_ID, template_id, None)


def test_caseworker_redirected_to_one_off(
    client_request,
    mock_get_service_templates,
    mock_get_service_template,
    mocker,
    fake_uuid,
    active_caseworking_user,
):

    mocker.patch('app.user_api_client.get_user', return_value=active_caseworking_user)

    client_request.get(
        'main.view_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _expected_status=302,
        _expected_redirect=url_for(
            'main.send_one_off',
            service_id=SERVICE_ONE_ID,
            template_id=fake_uuid,
            _external=True,
        ),
    )


def test_user_with_only_send_and_view_redirected_to_one_off(
    client_request,
    mock_get_service_templates,
    mock_get_service_template,
    active_user_with_permissions,
    mocker,
    fake_uuid,
):
    active_user_with_permissions['permissions'][SERVICE_ONE_ID] = [
        'send_messages',
        'view_activity',
    ]
    client_request.login(active_user_with_permissions)
    client_request.get(
        'main.view_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _expected_status=302,
        _expected_redirect=url_for(
            'main.send_one_off',
            service_id=SERVICE_ONE_ID,
            template_id=fake_uuid,
            _external=True,
        ),
    )


@pytest.mark.parametrize('permissions', (
    {'send_messages', 'view_activity'},
    {'send_messages'},
    {'view_activity'},
    {},
))
def test_user_with_only_send_and_view_sees_letter_page(
    client_request,
    mock_get_service_templates,
    mock_get_template_folders,
    mock_get_service_letter_template,
    single_letter_contact_block,
    mock_has_jobs,
    active_user_with_permissions,
    mocker,
    fake_uuid,
    permissions,
):
    mocker.patch('app.main.views.templates.get_page_count_for_letter', return_value=1)
    active_user_with_permissions['permissions'][SERVICE_ONE_ID] = permissions
    client_request.login(active_user_with_permissions)
    page = client_request.get(
        'main.view_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _test_page_title=False,
    )
    assert normalize_spaces(page.select_one('h1').text) == (
        'Templates Two week reminder'
    )
    assert normalize_spaces(page.select_one('title').text) == (
        'Two week reminder – Templates – service one – GOV.UK Notify'
    )


@pytest.mark.parametrize('letter_branding, expected_link, expected_link_text', (
    (
        None,
        partial(
            url_for, 'main.branding_request',
            service_id=SERVICE_ONE_ID, branding_type="letter", from_template=TEMPLATE_ONE_ID
        ),
        'Add logo',
    ),
    (
        TEMPLATE_ONE_ID,
        partial(url_for, 'main.edit_template_postage', template_id=TEMPLATE_ONE_ID),
        'Change',
    ),
))
def test_letter_with_default_branding_has_add_logo_button(
    mocker,
    fake_uuid,
    client_request,
    service_one,
    mock_get_template_folders,
    mock_get_service_letter_template,
    single_letter_contact_block,
    letter_branding,
    expected_link,
    expected_link_text,
):
    mocker.patch('app.main.views.templates.get_page_count_for_letter', return_value=1)
    service_one['permissions'] += ['letter']
    service_one['letter_branding'] = letter_branding

    page = client_request.get(
        'main.view_template',
        service_id=SERVICE_ONE_ID,
        template_id=TEMPLATE_ONE_ID,
        _test_page_title=False,
    )

    first_edit_link = page.select_one('.template-container a')
    assert first_edit_link['href'] == expected_link(service_id=SERVICE_ONE_ID)
    assert first_edit_link.text == expected_link_text


@pytest.mark.parametrize("template_postage,expected_result", [
    ("first", "Postage: first class"),
    ("second", "Postage: second class"),
])
def test_view_letter_template_displays_postage(
    client_request,
    service_one,
    mock_get_service_templates,
    mock_get_template_folders,
    single_letter_contact_block,
    mock_has_jobs,
    active_user_with_permissions,
    mocker,
    fake_uuid,
    template_postage,
    expected_result
):
    mocker.patch('app.main.views.templates.get_page_count_for_letter', return_value=1)
    client_request.login(active_user_with_permissions)
    mocker.patch(
        'app.service_api_client.get_service_template',
        return_value={'data': create_template(template_type='letter', postage=template_postage)}
    )

    page = client_request.get(
        'main.view_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _test_page_title=False,
    )

    assert normalize_spaces(page.select_one('.letter-postage').text) == expected_result


def test_view_non_letter_template_does_not_display_postage(
    client_request,
    mock_get_service_template,
    mock_get_template_folders,
    fake_uuid,
):
    page = client_request.get(
        '.view_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _test_page_title=False,
    )
    assert "Postage" not in page.text


def test_view_letter_template_does_not_display_send_button_if_template_over_10_pages_long(
    client_request,
    service_one,
    mock_get_service_templates,
    mock_get_template_folders,
    single_letter_contact_block,
    mock_has_jobs,
    active_user_with_permissions,
    mocker,
    fake_uuid,
):
    mocker.patch('app.main.views.templates.get_page_count_for_letter', return_value=11)
    client_request.login(active_user_with_permissions)
    mocker.patch(
        'app.service_api_client.get_service_template',
        return_value={'data': create_template(template_type='letter', postage='second')}
    )

    page = client_request.get(
        'main.view_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _test_page_title=False,
    )

    assert "Send" not in page.text
    assert page.find('h1', {"data-error-type": "letter-too-long"})


def test_edit_letter_template_postage_page_displays_correctly(
    client_request,
    service_one,
    fake_uuid,
    mocker,
    mock_get_service_letter_template,
):
    page = client_request.get(
        'main.edit_template_postage',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
    )

    assert page.select_one('h1').text.strip() == 'Change postage'
    assert page.select('input[checked]')[0].attrs["value"] == 'second'


def test_edit_letter_template_postage_page_404s_if_template_is_not_a_letter(
    client_request,
    service_one,
    mock_get_service_template,
    active_user_with_permissions,
    mocker,
    fake_uuid,
):
    client_request.login(active_user_with_permissions)
    page = client_request.get(
        'main.edit_template_postage',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _expected_status=404
    )

    assert page.select_one('h1').text.strip() != 'Edit postage'


def test_edit_letter_templates_postage_updates_postage(
    client_request,
    service_one,
    mocker,
    fake_uuid,
    mock_get_service_letter_template,
):
    mock_update_template_postage = mocker.patch(
        'app.main.views.templates.service_api_client.update_service_template_postage'
    )

    client_request.post(
        'main.edit_template_postage',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _data={'postage': 'first'},
    )
    mock_update_template_postage.assert_called_with(
        SERVICE_ONE_ID,
        fake_uuid,
        "first"
    )


@pytest.mark.parametrize('permissions, links_to_be_shown, permissions_warning_to_be_shown', [
    (
        ['view_activity'],
        [],
        'If you need to send this text message or edit this template, contact your manager.'
    ),
    (
        ['manage_api_keys'],
        [],
        None,
    ),
    (
        ['manage_templates'],
        ['.edit_service_template'],
        None,
    ),
    (
        ['send_messages', 'manage_templates'],
        ['.set_sender', '.edit_service_template'],
        None,
    ),
])
def test_should_be_able_to_view_a_template_with_links(
    client_request,
    mock_get_service_template,
    mock_get_template_folders,
    active_user_with_permissions,
    single_letter_contact_block,
    fake_uuid,
    permissions,
    links_to_be_shown,
    permissions_warning_to_be_shown,
):
    active_user_with_permissions['permissions'][SERVICE_ONE_ID] = permissions + ['view_activity']
    client_request.login(active_user_with_permissions)

    page = client_request.get(
        '.view_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _test_page_title=False,
    )

    assert normalize_spaces(page.select_one('h1').text) == (
        'Templates Two week reminder'
    )
    assert normalize_spaces(page.select_one('title').text) == (
        'Two week reminder – Templates – service one – GOV.UK Notify'
    )

    links_in_page = page.select('.pill-separate-item')

    assert len(links_in_page) == len(links_to_be_shown)

    for index, link_to_be_shown in enumerate(links_to_be_shown):
        assert links_in_page[index]['href'] == url_for(
            link_to_be_shown,
            service_id=SERVICE_ONE_ID,
            template_id=fake_uuid,
        )

    assert normalize_spaces(page.select_one('main p').text) == (
        permissions_warning_to_be_shown or 'To: phone number'
    )


def test_should_show_template_id_on_template_page(
    client_request,
    mock_get_service_template,
    mock_get_template_folders,
    fake_uuid,
):
    page = client_request.get(
        '.view_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _test_page_title=False,
    )
    assert page.select('.api-key__key')[0].text == fake_uuid


def test_should_show_sms_template_with_downgraded_unicode_characters(
    client_request,
    mocker,
    service_one,
    single_letter_contact_block,
    mock_get_template_folders,
    fake_uuid,
):
    msg = 'here:\tare some “fancy quotes” and zero\u200Bwidth\u200Bspaces'
    rendered_msg = 'here: are some "fancy quotes" and zerowidthspaces'

    mocker.patch(
        'app.service_api_client.get_service_template',
        return_value={'data': template_json(service_one['id'], fake_uuid, type_='sms', content=msg)}
    )

    page = client_request.get(
        '.view_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _test_page_title=False,
    )

    assert rendered_msg in page.text


@pytest.mark.parametrize('contact_block_data, expected_partial_url', (
    ([], partial(
        url_for, 'main.service_add_letter_contact', from_template=sample_uuid(),
    )),
    ([create_letter_contact_block()], partial(
        url_for, 'main.set_template_sender', template_id=sample_uuid(),
    )),
))
def test_should_let_letter_contact_block_be_changed_for_the_template(
    mocker,
    mock_get_service_letter_template,
    mock_get_template_folders,
    client_request,
    service_one,
    fake_uuid,
    contact_block_data,
    expected_partial_url
):
    mocker.patch('app.main.views.templates.get_page_count_for_letter', return_value=1)
    mocker.patch('app.service_api_client.get_letter_contacts', return_value=contact_block_data)

    page = client_request.get(
        'main.view_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _test_page_title=False,
    )

    assert page.select_one(
        'a.edit-template-link-letter-contact'
    )['href'] == expected_partial_url(service_id=SERVICE_ONE_ID)


def test_should_show_page_template_with_priority_select_if_platform_admin(
    platform_admin_client,
    platform_admin_user,
    mocker,
    mock_get_service_template,
    service_one,
    fake_uuid,
):
    mocker.patch('app.user_api_client.get_users_for_service', return_value=[platform_admin_user])
    template_id = fake_uuid
    response = platform_admin_client.get(url_for(
        '.edit_service_template',
        service_id=service_one['id'],
        template_id=template_id,
    ))

    assert response.status_code == 200
    assert "Two week reminder" in response.get_data(as_text=True)
    assert "Template <em>content</em> with & entity" in response.get_data(as_text=True)
    assert "Use priority queue?" in response.get_data(as_text=True)
    mock_get_service_template.assert_called_with(service_one['id'], template_id, None)


@pytest.mark.parametrize('filetype', ['pdf', 'png'])
@pytest.mark.parametrize('view, extra_view_args', [
    ('no_cookie.view_letter_template_preview', {}),
    ('no_cookie.view_template_version_preview', {'version': 1}),
])
def test_should_show_preview_letter_templates(
    view,
    extra_view_args,
    filetype,
    logged_in_client,
    mock_get_service_email_template,
    service_one,
    fake_uuid,
    mocker
):
    mocked_preview = mocker.patch(
        'app.main.views.templates.TemplatePreview.from_database_object',
        return_value='foo'
    )

    service_id, template_id = service_one['id'], fake_uuid

    response = logged_in_client.get(url_for(
        view,
        service_id=service_id,
        template_id=template_id,
        filetype=filetype,
        **extra_view_args
    ))

    assert response.status_code == 200
    assert response.get_data(as_text=True) == 'foo'
    mock_get_service_email_template.assert_called_with(service_id, template_id, extra_view_args.get('version'))
    assert mocked_preview.call_args[0][0]['id'] == template_id
    assert mocked_preview.call_args[0][0]['service'] == service_id
    assert mocked_preview.call_args[0][1] == filetype


def test_dont_show_preview_letter_templates_for_bad_filetype(
    logged_in_client,
    mock_get_service_template,
    service_one,
    fake_uuid
):
    resp = logged_in_client.get(
        url_for(
            'no_cookie.view_letter_template_preview',
            service_id=service_one['id'],
            template_id=fake_uuid,
            filetype='blah'
        )
    )
    assert resp.status_code == 404
    assert mock_get_service_template.called is False


@pytest.mark.parametrize('original_filename, new_filename', [
    ('geo', 'geo'),
    ('no-branding', None)
])
def test_letter_branding_preview_image(
    mocker,
    platform_admin_client,
    original_filename,
    new_filename,
):
    mocked_preview = mocker.patch(
        'app.main.views.templates.TemplatePreview.from_example_template',
        return_value='foo'
    )
    resp = platform_admin_client.get(
        url_for('no_cookie.letter_branding_preview_image', filename=original_filename)
    )

    mocked_preview.assert_called_with(ANY, new_filename)
    assert resp.get_data(as_text=True) == 'foo'


def test_choosing_to_copy_redirects(
    client_request,
    service_one,
    mock_get_service_templates,
    mock_get_template_folders,
):
    client_request.post(
        'main.choose_template',
        service_id=SERVICE_ONE_ID,
        _data={
            'operation': 'add-new-template',
            'add_template_by_template_type': 'copy-existing'
        },
        _expected_status=302,
        _expected_redirect=url_for(
            'main.choose_template_to_copy',
            service_id=SERVICE_ONE_ID,
            _external=True,
        ),
    )


def test_choose_a_template_to_copy(
    client_request,
    mock_get_service_templates,
    mock_get_template_folders,
    mock_get_just_services_for_user,
):
    page = client_request.get(
        'main.choose_template_to_copy',
        service_id=SERVICE_ONE_ID,
    )

    assert page.select('.folder-heading') == []

    expected = [
        (
            'Service 1 '
            '6 templates'
        ),
        (
            'Service 1 sms_template_one '
            'Text message template'
        ),
        (
            'Service 1 sms_template_two '
            'Text message template'
        ),
        (
            'Service 1 email_template_one '
            'Email template'
        ),
        (
            'Service 1 email_template_two '
            'Email template'
        ),
        (
            'Service 1 letter_template_one '
            'Letter template'
        ),
        (
            'Service 1 letter_template_two '
            'Letter template'
        ),
        (
            'Service 2 '
            '6 templates'
        ),
        (
            'Service 2 sms_template_one '
            'Text message template'
        ),
        (
            'Service 2 sms_template_two '
            'Text message template'
        ),
        (
            'Service 2 email_template_one '
            'Email template'
        ),
        (
            'Service 2 email_template_two '
            'Email template'
        ),
        (
            'Service 2 letter_template_one '
            'Letter template'
        ),
        (
            'Service 2 letter_template_two '
            'Letter template'
        ),
    ]
    actual = page.select('.template-list-item')

    assert len(actual) == len(expected)

    for actual, expected in zip(actual, expected):
        assert normalize_spaces(actual.text) == expected

    links = page.select('main nav a')
    assert links[0]['href'] == url_for(
        'main.choose_template_to_copy',
        service_id=SERVICE_ONE_ID,
        from_service=SERVICE_TWO_ID,
    )
    assert links[1]['href'] == url_for(
        'main.choose_template_to_copy',
        service_id=SERVICE_ONE_ID,
        from_service=SERVICE_TWO_ID,
    )
    assert links[2]['href'] == url_for(
        'main.copy_template',
        service_id=SERVICE_ONE_ID,
        template_id=TEMPLATE_ONE_ID,
        from_service=SERVICE_TWO_ID,
    )


def test_choose_a_template_to_copy_when_user_has_one_service(
    client_request,
    mock_get_service_templates,
    mock_get_template_folders,
    mock_get_empty_organisations_and_one_service_for_user,
):
    page = client_request.get(
        'main.choose_template_to_copy',
        service_id=SERVICE_ONE_ID,
    )

    assert page.select('.folder-heading') == []

    expected = [
        (
            'sms_template_one '
            'Text message template'
        ),
        (
            'sms_template_two '
            'Text message template'
        ),
        (
            'email_template_one '
            'Email template'
        ),
        (
            'email_template_two '
            'Email template'
        ),
        (
            'letter_template_one '
            'Letter template'
        ),
        (
            'letter_template_two '
            'Letter template'
        ),
    ]
    actual = page.select('.template-list-item')

    assert len(actual) == len(expected)

    for actual, expected in zip(actual, expected):
        assert normalize_spaces(actual.text) == expected

    assert page.select('main nav a')[0]['href'] == url_for(
        'main.copy_template',
        service_id=SERVICE_ONE_ID,
        template_id=TEMPLATE_ONE_ID,
        from_service=SERVICE_TWO_ID,
    )


def test_choose_a_template_to_copy_from_folder_within_service(
    mocker,
    client_request,
    mock_get_template_folders,
    mock_get_non_empty_organisations_and_services_for_user,
):
    mock_get_template_folders.return_value = [
        _folder('Parent folder', PARENT_FOLDER_ID),
        _folder('Child folder empty', CHILD_FOLDER_ID, parent=PARENT_FOLDER_ID),
        _folder('Child folder non-empty', FOLDER_TWO_ID, parent=PARENT_FOLDER_ID),
    ]
    mocker.patch(
        'app.service_api_client.get_service_templates',
        return_value={'data': [
            _template(
                'sms',
                'Should not appear in list (at service root)',
            ),
            _template(
                'sms',
                'Should appear in list (at same level)',
                parent=PARENT_FOLDER_ID,
            ),
            _template(
                'sms',
                'Should appear in list (nested)',
                parent=FOLDER_TWO_ID,
                template_id=TEMPLATE_ONE_ID,
            ),
        ]}
    )
    page = client_request.get(
        'main.choose_template_to_copy',
        service_id=SERVICE_ONE_ID,
        from_service=SERVICE_ONE_ID,
        from_folder=PARENT_FOLDER_ID,
    )

    assert normalize_spaces(page.select_one('.folder-heading').text) == (
        'service one Parent folder'
    )
    breadcrumb_links = page.select('.folder-heading a')
    assert len(breadcrumb_links) == 1
    assert breadcrumb_links[0]['href'] == url_for(
        'main.choose_template_to_copy',
        service_id=SERVICE_ONE_ID,
        from_service=SERVICE_ONE_ID,
    )

    expected = [
        (
            'Child folder empty '
            'Empty'
        ),
        (
            'Child folder non-empty '
            '1 template'
        ),
        (
            'Child folder non-empty Should appear in list (nested) '
            'Text message template'
        ),
        (
            'Should appear in list (at same level) '
            'Text message template'
        ),
    ]
    actual = page.select('.template-list-item')

    assert len(actual) == len(expected)

    for actual, expected in zip(actual, expected):
        assert normalize_spaces(actual.text) == expected

    links = page.select('main nav a')
    assert links[0]['href'] == url_for(
        'main.choose_template_to_copy',
        service_id=SERVICE_ONE_ID,
        from_service=SERVICE_ONE_ID,
        from_folder=CHILD_FOLDER_ID,
    )
    assert links[1]['href'] == url_for(
        'main.choose_template_to_copy',
        service_id=SERVICE_ONE_ID,
        from_service=SERVICE_ONE_ID,
        from_folder=FOLDER_TWO_ID,
    )
    assert links[2]['href'] == url_for(
        'main.choose_template_to_copy',
        service_id=SERVICE_ONE_ID,
        from_folder=FOLDER_TWO_ID,
    )
    assert links[3]['href'] == url_for(
        'main.copy_template',
        service_id=SERVICE_ONE_ID,
        template_id=TEMPLATE_ONE_ID,
        from_service=SERVICE_ONE_ID,
    )


@pytest.mark.parametrize('existing_template_names, expected_name', (
    (
        ['Two week reminder'],
        'Two week reminder (copy)'
    ),
    (
        ['Two week reminder (copy)'],
        'Two week reminder (copy 2)'
    ),
    (
        ['Two week reminder', 'Two week reminder (copy)'],
        'Two week reminder (copy 2)'
    ),
    (
        ['Two week reminder (copy 8)', 'Two week reminder (copy 9)'],
        'Two week reminder (copy 10)'
    ),
    (
        ['Two week reminder (copy)', 'Two week reminder (copy 9)'],
        'Two week reminder (copy 10)'
    ),
    (
        ['Two week reminder (copy)', 'Two week reminder (copy 10)'],
        'Two week reminder (copy 2)'
    ),
))
def test_load_edit_template_with_copy_of_template(
    client_request,
    active_user_with_permission_to_two_services,
    mock_get_service_templates,
    mock_get_service_email_template,
    mock_get_non_empty_organisations_and_services_for_user,
    existing_template_names,
    expected_name,
):
    mock_get_service_templates.side_effect = lambda service_id: {'data': [
        {'name': existing_template_name, 'template_type': 'sms'}
        for existing_template_name in existing_template_names
    ]}
    client_request.login(active_user_with_permission_to_two_services)
    page = client_request.get(
        'main.copy_template',
        service_id=SERVICE_ONE_ID,
        template_id=TEMPLATE_ONE_ID,
        from_service=SERVICE_TWO_ID,
    )

    assert page.select_one('form')['method'] == 'post'

    assert page.select_one('input')['value'] == (
        expected_name
    )
    assert page.select_one('textarea').text == (
        'Your ((thing)) is due soon'
    )
    mock_get_service_email_template.assert_called_once_with(
        SERVICE_TWO_ID,
        TEMPLATE_ONE_ID,
    )


def test_copy_template_loads_template_from_within_subfolder(
    client_request,
    active_user_with_permission_to_two_services,
    mock_get_service_templates,
    mock_get_non_empty_organisations_and_services_for_user,
    mocker
):
    template = template_json(
        SERVICE_TWO_ID,
        TEMPLATE_ONE_ID,
        name='foo',
        folder=PARENT_FOLDER_ID
    )

    mock_get_service_template = mocker.patch(
        'app.service_api_client.get_service_template',
        return_value={'data': template}
    )
    mock_get_template_folder = mocker.patch(
        'app.template_folder_api_client.get_template_folder',
        return_value=_folder('Parent folder', PARENT_FOLDER_ID),
    )
    client_request.login(active_user_with_permission_to_two_services)

    page = client_request.get(
        'main.copy_template',
        service_id=SERVICE_ONE_ID,
        template_id=TEMPLATE_ONE_ID,
        from_service=SERVICE_TWO_ID,
    )

    assert page.select_one('input')['value'] == 'foo (copy)'
    mock_get_service_template.assert_called_once_with(SERVICE_TWO_ID, TEMPLATE_ONE_ID)
    mock_get_template_folder.assert_called_once_with(SERVICE_TWO_ID, PARENT_FOLDER_ID)


def test_cant_copy_template_from_non_member_service(
    client_request,
    mock_get_service_email_template,
    mock_get_organisations_and_services_for_user,
):
    client_request.get(
        'main.copy_template',
        service_id=SERVICE_ONE_ID,
        template_id=TEMPLATE_ONE_ID,
        from_service=SERVICE_TWO_ID,
        _expected_status=403,
    )
    assert mock_get_service_email_template.call_args_list == []


@pytest.mark.parametrize('endpoint, data, expected_error', (
    (
        'main.choose_template',
        {
            'operation': 'add-new-template',
            'add_template_by_template_type': 'email',
        },
        "Sending emails has been disabled for your service."
    ),
    (
        'main.choose_template',
        {
            'operation': 'add-new-template',
            'add_template_by_template_type': 'sms',
        },
        "Sending text messages has been disabled for your service."
    ),
))
def test_should_not_allow_creation_of_template_through_form_without_correct_permission(
    client_request,
    service_one,
    mock_get_service_templates,
    mock_get_template_folders,
    endpoint,
    data,
    expected_error,
    fake_uuid,
):
    service_one['permissions'] = []
    page = client_request.post(
        endpoint,
        service_id=SERVICE_ONE_ID,
        _data=data,
        _follow_redirects=True,
    )
    assert normalize_spaces(page.select('main p')[0].text) == expected_error
    assert page.select(".govuk-back-link")[0].text == "Back"
    assert page.select(".govuk-back-link")[0]['href'] == url_for(
        '.choose_template',
        service_id=SERVICE_ONE_ID,
    )


@pytest.mark.parametrize('type_of_template', ['email', 'sms'])
def test_should_not_allow_creation_of_a_template_without_correct_permission(
    client_request,
    service_one,
    mocker,
    type_of_template,
):
    service_one['permissions'] = []
    template_description = {'sms': 'text messages', 'email': 'emails'}

    page = client_request.get(
        '.add_service_template',
        service_id=SERVICE_ONE_ID,
        template_type=type_of_template,
        _follow_redirects=True,
    )
    assert page.select('main p')[0].text.strip() == \
        "Sending {} has been disabled for your service.".format(template_description[type_of_template])
    assert page.select(".govuk-back-link")[0].text == "Back"
    assert page.select(".govuk-back-link")[0]['href'] == url_for(
        '.choose_template',
        service_id=service_one['id'],
    )


@pytest.mark.parametrize('template_type,  expected_status_code', [
    ('email', 200),
    ('sms', 200),
    ('letter', 302),
])
def test_should_redirect_to_one_off_if_template_type_is_letter(
    client_request,
    multiple_reply_to_email_addresses,
    multiple_sms_senders,
    fake_uuid,
    mocker,
    template_type,
    expected_status_code
):
    mocker.patch(
        'app.service_api_client.get_service_template',
        return_value={'data': create_template(template_type=template_type)}
    )
    client_request.get(
        '.set_sender',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _expected_status=expected_status_code,
    )


def test_should_redirect_when_saving_a_template(
    client_request,
    mock_get_service_template,
    mock_get_api_keys,
    mock_update_service_template,
    fake_uuid,
):
    name = "new name"
    content = "template <em>content</em> with & entity"
    client_request.post(
        '.edit_service_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _data={
            'id': fake_uuid,
            'name': name,
            'template_content': content,
            'template_type': 'sms',
            'service': SERVICE_ONE_ID,
            'process_type': 'normal',
        },
        _expected_status=302,
        _expected_redirect=url_for(
            '.view_template',
            service_id=SERVICE_ONE_ID,
            template_id=fake_uuid,
            _external=True,
        ),
    )
    mock_update_service_template.assert_called_with(
        fake_uuid, name, 'sms', content, SERVICE_ONE_ID, None, 'normal',
    )


def test_should_edit_content_when_process_type_is_priority_not_platform_admin(
    client_request,
    mock_get_service_template_with_priority,
    mock_update_service_template,
    fake_uuid,
):
    client_request.post(
        '.edit_service_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _data={
            'id': fake_uuid,
            'name': "new name",
            'template_content': "new template <em>content</em> with & entity",
            'template_type': 'sms',
            'service': SERVICE_ONE_ID,
            'process_type': 'priority',
        },
        _expected_status=302,
        _expected_redirect=url_for(
            '.view_template',
            service_id=SERVICE_ONE_ID,
            template_id=fake_uuid,
            _external=True,
        )
    )
    mock_update_service_template.assert_called_with(
        fake_uuid,
        "new name",
        'sms',
        "new template <em>content</em> with & entity",
        SERVICE_ONE_ID,
        None,
        'priority'
    )


def test_should_not_allow_template_edits_without_correct_permission(
    client_request,
    mock_get_service_template,
    service_one,
    fake_uuid,
):
    service_one['permissions'] = ['email']

    page = client_request.get(
        '.edit_service_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _follow_redirects=True,
    )

    assert page.select('main p')[0].text.strip() == "Sending text messages has been disabled for your service."
    assert page.select(".govuk-back-link")[0].text == "Back"
    assert page.select(".govuk-back-link")[0]['href'] == url_for(
        '.view_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
    )


def test_should_403_when_edit_template_with_process_type_of_priority_for_non_platform_admin(
    client,
    active_user_with_permissions,
    mocker,
    mock_get_service_template,
    mock_update_service_template,
    fake_uuid,
    service_one,
):
    service_one['users'] = [active_user_with_permissions]
    client.login(active_user_with_permissions, mocker, service_one)
    mocker.patch('app.user_api_client.get_users_for_service', return_value=[active_user_with_permissions])
    template_id = fake_uuid
    data = {
        'id': template_id,
        'name': "new name",
        'template_content': "template <em>content</em> with & entity",
        'template_type': 'sms',
        'service': service_one['id'],
        'process_type': 'priority'
    }
    response = client.post(url_for(
        '.edit_service_template',
        service_id=service_one['id'],
        template_id=template_id), data=data)
    assert response.status_code == 403
    mock_update_service_template.called == 0


def test_should_403_when_create_template_with_process_type_of_priority_for_non_platform_admin(
    client,
    active_user_with_permissions,
    mocker,
    mock_get_service_template,
    mock_update_service_template,
    fake_uuid,
    service_one,
):
    service_one['users'] = [active_user_with_permissions]
    client.login(active_user_with_permissions, mocker, service_one)
    mocker.patch('app.user_api_client.get_users_for_service', return_value=[active_user_with_permissions])
    template_id = fake_uuid
    data = {
        'id': template_id,
        'name': "new name",
        'template_content': "template <em>content</em> with & entity",
        'template_type': 'sms',
        'service': service_one['id'],
        'process_type': 'priority'
    }
    response = client.post(url_for(
        '.add_service_template',
        service_id=service_one['id'],
        template_type='sms'), data=data)
    assert response.status_code == 403
    mock_update_service_template.called == 0


@pytest.mark.parametrize('old_content, new_content, expected_paragraphs', [
    (
        "my favourite colour is blue",
        "my favourite colour is ((colour))",
        [
            'You added ((colour))',
            'Before you send any messages, make sure your API calls include colour.',
        ]
    ),
    (
        "hello ((name))",
        "hello ((first name)) ((middle name)) ((last name))",
        [
            'You removed ((name))',
            'You added ((first name)) ((middle name)) and ((last name))',
            'Before you send any messages, make sure your API calls include first name, middle name and last name.',
        ]
    ),
])
def test_should_show_interstitial_when_making_breaking_change(
    client_request,
    mock_update_service_template,
    mock_get_user_by_email,
    mock_get_api_keys,
    fake_uuid,
    mocker,
    new_content,
    old_content,
    expected_paragraphs,
):
    email_template = create_template(
        template_id=fake_uuid,
        template_type='email',
        subject="Your ((thing)) is due soon",
        content=old_content
    )
    mocker.patch('app.service_api_client.get_service_template', return_value={'data': email_template})

    data = {
        'id': fake_uuid,
        'name': "new name",
        'template_content': new_content,
        'template_type': 'email',
        'subject': 'reminder \'" <span> & ((thing))',
        'service': SERVICE_ONE_ID,
        'process_type': 'normal'
    }

    page = client_request.post(
        '.edit_service_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _data=data,
        _expected_status=200,
    )

    assert page.h1.string.strip() == "Confirm changes"
    assert page.find('a', {'class': 'govuk-back-link'})['href'] == url_for(
        ".edit_service_template",
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
    )
    assert [
        normalize_spaces(paragraph.text) for paragraph in page.select('main p')
    ] == expected_paragraphs

    for key, value in {
        'name': 'new name',
        'subject': 'reminder \'" <span> & ((thing))',
        'template_content': new_content,
        'confirm': 'true'
    }.items():
        assert page.find('input', {'name': key})['value'] == value

    # BeautifulSoup returns the value attribute as unencoded, let’s make
    # sure that it is properly encoded in the HTML
    assert str(page.find('input', {'name': 'subject'})) == (
        """<input name="subject" type="hidden" value="reminder '&quot; &lt;span&gt; &amp; ((thing))"/>"""
    )


def test_removing_placeholders_is_not_a_breaking_change(
    client_request,
    mock_get_service_email_template,
    mock_update_service_template,
    fake_uuid,
):
    existing_template = mock_get_service_email_template(0, 0)['data']
    client_request.post(
        '.edit_service_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _data={
            'name': existing_template['name'],
            'template_content': "no placeholders",
            'subject': existing_template['subject'],
        },
        _expected_status=302,
        _expected_redirect=url_for(
            'main.view_template',
            service_id=SERVICE_ONE_ID,
            template_id=fake_uuid,
            _external=True,
        ),
    )
    assert mock_update_service_template.called is True


def test_should_not_create_too_big_template(
    client_request,
    mock_get_service_template,
    mock_create_service_template_content_too_big,
    fake_uuid,
):
    page = client_request.post(
        '.add_service_template',
        service_id=SERVICE_ONE_ID,
        template_type='sms',
        _data={
            'name': "new name",
            'template_content': "template content",
            'template_type': 'sms',
            'service': SERVICE_ONE_ID,
            'process_type': 'normal'
        },
        _expected_status=200,
    )
    assert "Content has a character count greater than the limit of 459" in page.text


def test_should_not_update_too_big_template(
    client_request,
    mock_get_service_template,
    mock_update_service_template_400_content_too_big,
    fake_uuid,
):
    page = client_request.post(
        '.edit_service_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _data={
            'id': fake_uuid,
            'name': "new name",
            'template_content': "template content",
            'service': SERVICE_ONE_ID,
            'template_type': 'sms',
            'process_type': 'normal',
        },
        _expected_status=200,
    )
    assert "Content has a character count greater than the limit of 459" in page.text


def test_should_redirect_when_saving_a_template_email(
    client_request,
    mock_get_service_email_template,
    mock_update_service_template,
    mock_get_user_by_email,
    fake_uuid,
):
    name = "new name"
    content = "template <em>content</em> with & entity ((thing)) ((date))"
    subject = "subject & entity"
    client_request.post(
        '.edit_service_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _data={
            'id': fake_uuid,
            'name': name,
            'template_content': content,
            'template_type': 'email',
            'service': SERVICE_ONE_ID,
            'subject': subject,
            'process_type': 'normal'
        },
        _expected_status=302,
        _expected_redirect=url_for(
            '.view_template',
            service_id=SERVICE_ONE_ID,
            template_id=fake_uuid,
            _external=True,
        ),
    )
    mock_update_service_template.assert_called_with(
        fake_uuid, name, 'email', content, SERVICE_ONE_ID, subject, 'normal',
    )


def test_should_show_delete_template_page_with_time_block(
    client_request,
    mock_get_service_template,
    mock_get_template_folders,
    mocker,
    fake_uuid
):
    mocker.patch('app.template_statistics_client.get_last_used_date_for_template',
                 return_value='2012-01-01 12:00:00')

    with freeze_time('2012-01-01 12:10:00'):
        page = client_request.get(
            '.delete_service_template',
            service_id=SERVICE_ONE_ID,
            template_id=fake_uuid,
            _test_page_title=False,
        )
    assert "Are you sure you want to delete ‘Two week reminder’?" in page.select('.banner-dangerous')[0].text
    assert normalize_spaces(page.select('.banner-dangerous p')[0].text) == (
        'This template was last used 10 minutes ago.'
    )
    assert normalize_spaces(page.select('.sms-message-wrapper')[0].text) == (
        'service one: Template <em>content</em> with & entity'
    )
    mock_get_service_template.assert_called_with(SERVICE_ONE_ID, fake_uuid, None)


def test_should_show_delete_template_page_with_time_block_for_empty_notification(
    client_request,
    mock_get_service_template,
    mock_get_template_folders,
    mocker,
    fake_uuid
):
    mocker.patch('app.template_statistics_client.get_last_used_date_for_template',
                 return_value=None)

    with freeze_time('2012-01-01 11:00:00'):
        page = client_request.get(
            '.delete_service_template',
            service_id=SERVICE_ONE_ID,
            template_id=fake_uuid,
            _test_page_title=False,
        )
    assert "Are you sure you want to delete ‘Two week reminder’?" in page.select('.banner-dangerous')[0].text
    assert normalize_spaces(page.select('.banner-dangerous p')[0].text) == (
        'This template has never been used.'
    )
    assert normalize_spaces(page.select('.sms-message-wrapper')[0].text) == (
        'service one: Template <em>content</em> with & entity'
    )
    mock_get_service_template.assert_called_with(SERVICE_ONE_ID, fake_uuid, None)


def test_should_show_delete_template_page_with_never_used_block(
    client_request,
    mock_get_service_template,
    mock_get_template_folders,
    fake_uuid,
    mocker,
):
    mocker.patch(
        'app.template_statistics_client.get_last_used_date_for_template',
        side_effect=HTTPError(response=Mock(status_code=404), message="Default message")
    )
    page = client_request.get(
        '.delete_service_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _test_page_title=False,
    )
    assert "Are you sure you want to delete ‘Two week reminder’?" in page.select('.banner-dangerous')[0].text
    assert not page.select('.banner-dangerous p')
    assert normalize_spaces(page.select('.sms-message-wrapper')[0].text) == (
        'service one: Template <em>content</em> with & entity'
    )
    mock_get_service_template.assert_called_with(SERVICE_ONE_ID, fake_uuid, None)


@pytest.mark.parametrize('parent', (
    PARENT_FOLDER_ID, None
))
def test_should_redirect_when_deleting_a_template(
    mocker,
    client_request,
    mock_delete_service_template,
    mock_get_template_folders,
    parent,
):

    mock_get_template_folders.return_value = [
        {'id': PARENT_FOLDER_ID, 'name': 'Folder', 'parent': None, 'users_with_permission': [ANY]}
    ]
    mock_get_service_template = mocker.patch(
        'app.service_api_client.get_service_template',
        return_value={'data': _template(
            'sms', 'Hello', parent=parent,
        )},
    )

    client_request.post(
        '.delete_service_template',
        service_id=SERVICE_ONE_ID,
        template_id=TEMPLATE_ONE_ID,
        _expected_status=302,
        _expected_redirect=url_for(
            '.choose_template',
            service_id=SERVICE_ONE_ID,
            template_folder_id=parent,
            _external=True,
        )
    )

    mock_get_service_template.assert_called_with(
        SERVICE_ONE_ID, TEMPLATE_ONE_ID, None
    )
    mock_delete_service_template.assert_called_with(
        SERVICE_ONE_ID, TEMPLATE_ONE_ID
    )


@freeze_time('2016-01-01T15:00')
def test_should_show_page_for_a_deleted_template(
    client_request,
    mock_get_template_folders,
    mock_get_deleted_template,
    single_letter_contact_block,
    mock_get_user,
    mock_get_user_by_email,
    mock_has_permissions,
    fake_uuid,
):
    template_id = fake_uuid
    page = client_request.get(
        '.view_template',
        service_id=SERVICE_ONE_ID,
        template_id=template_id,
        _test_page_title=False,
    )

    content = str(page)
    assert url_for("main.edit_service_template", service_id=SERVICE_ONE_ID, template_id=fake_uuid) not in content
    assert url_for("main.send_test", service_id=SERVICE_ONE_ID, template_id=fake_uuid) not in content
    assert page.select('p.hint')[0].text.strip() == 'This template was deleted today at 3:00pm.'
    assert 'Delete this template' not in page.select_one('main').text

    mock_get_deleted_template.assert_called_with(SERVICE_ONE_ID, template_id, None)


@pytest.mark.parametrize('route', [
    'main.add_service_template',
    'main.edit_service_template',
    'main.delete_service_template'
])
def test_route_permissions(
    route,
    mocker,
    app_,
    client,
    api_user_active,
    service_one,
    mock_get_service_template,
    mock_get_template_folders,
    fake_uuid,
):
    mocker.patch('app.template_statistics_client.get_last_used_date_for_template',
                 return_value='2012-01-01 12:00:00')
    validate_route_permission(
        mocker,
        app_,
        "GET",
        200,
        url_for(
            route,
            service_id=service_one['id'],
            template_type='sms',
            template_id=fake_uuid),
        ['manage_templates'],
        api_user_active,
        service_one)


def test_route_permissions_for_choose_template(
    mocker,
    app_,
    client,
    api_user_active,
    mock_get_template_folders,
    service_one,
    mock_get_service_templates
):
    mocker.patch('app.job_api_client.get_job')
    validate_route_permission(
        mocker,
        app_,
        "GET",
        200,
        url_for(
            'main.choose_template',
            service_id=service_one['id'],
        ),
        [],
        api_user_active,
        service_one)


@pytest.mark.parametrize('route', [
    'main.add_service_template',
    'main.edit_service_template',
    'main.delete_service_template'
])
def test_route_invalid_permissions(
    route,
    mocker,
    app_,
    client,
    api_user_active,
    service_one,
    mock_get_service_template,
    fake_uuid,
):
    validate_route_permission(
        mocker,
        app_,
        "GET",
        403,
        url_for(
            route,
            service_id=service_one['id'],
            template_type='sms',
            template_id=fake_uuid),
        ['view_activity'],
        api_user_active,
        service_one)


def test_can_create_email_template_with_emoji(
    client_request,
    mock_create_service_template
):
    client_request.post(
        '.add_service_template',
        service_id=SERVICE_ONE_ID,
        template_type='email',
        _data={
            'name': "new name",
            'subject': "Food incoming!",
            'template_content': "here's a burrito 🌯",
            'template_type': 'email',
            'service': SERVICE_ONE_ID,
            'process_type': 'normal'
        },
        _expected_status=302,
    )
    assert mock_create_service_template.called is True


def test_should_not_create_sms_template_with_emoji(
    client_request,
    service_one,
    mock_create_service_template,
):
    page = client_request.post(
        '.add_service_template',
        service_id=SERVICE_ONE_ID,
        template_type='sms',
        _data={
            'name': "new name",
            'template_content': "here are some noodles 🍜",
            'template_type': 'sms',
            'service': SERVICE_ONE_ID,
            'process_type': 'normal',
        },
        _expected_status=200,
    )
    assert "You cannot use 🍜 in text messages." in page.text
    assert mock_create_service_template.called is False


def test_should_not_update_sms_template_with_emoji(
    client_request,
    mock_get_service_template,
    mock_update_service_template,
    fake_uuid,
):
    page = client_request.post(
        '.edit_service_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _data={
            'id': fake_uuid,
            'name': "new name",
            'template_content': "here's a burger 🍔",
            'service': SERVICE_ONE_ID,
            'template_type': 'sms',
            'process_type': 'normal'
        },
        _expected_status=200,
    )
    assert "You cannot use 🍔 in text messages." in page.text
    assert mock_update_service_template.called is False


def test_should_create_sms_template_without_downgrading_unicode_characters(
    client_request,
    mock_create_service_template
):
    msg = 'here:\tare some “fancy quotes” and non\u200Bbreaking\u200Bspaces'

    client_request.post(
        '.add_service_template',
        service_id=SERVICE_ONE_ID,
        template_type='sms',
        _data={
            'name': "new name",
            'template_content': msg,
            'template_type': 'sms',
            'service': SERVICE_ONE_ID,
            'process_type': 'normal'
        },
        expected_status=302,
    )

    mock_create_service_template.assert_called_with(
        ANY,  # name
        ANY,  # type
        msg,  # content
        ANY,  # service_id
        ANY,  # subject
        ANY,  # process_type
        ANY,  # parent_folder_id
    )


def test_should_show_template_as_first_page_of_tour(
    client_request,
    mock_get_service_template,
    service_one,
    fake_uuid,
):

    page = client_request.get(
        'main.start_tour',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
    )

    assert normalize_spaces(
        page.select('.banner-tour .heading-medium')[0].text
    ) == (
        'Try sending yourself this example'
    )

    assert normalize_spaces(
        page.select('.sms-message-wrapper')[0].text
    ) == (
        'service one: Template <em>content</em> with & entity'
    )

    assert page.select('a.govuk-button')[0]['href'] == url_for(
        '.send_test', service_id=SERVICE_ONE_ID, template_id=fake_uuid, help=2
    )


@pytest.mark.parametrize('template_type', ['email', 'letter'])
def test_cant_see_email_template_in_tour(
    client_request,
    fake_uuid,
    mocker,
    template_type,
):
    mocker.patch(
        'app.service_api_client.get_service_template',
        return_value={'data': create_template(template_type=template_type)}
    )

    client_request.get(
        'main.start_tour',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _expected_status=404,
    )


def test_should_show_message_before_redacting_template(
    client_request,
    mock_get_service_template,
    service_one,
    fake_uuid,
):

    page = client_request.get(
        'main.redact_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _test_page_title=False,
    )

    assert (
        'Are you sure you want to hide personalisation after sending?'
    ) in page.select('.banner-dangerous')[0].text

    form = page.select('.banner-dangerous form')[0]

    assert 'action' not in form
    assert form['method'] == 'post'


def test_should_show_redact_template(
    client_request,
    mock_get_service_template,
    mock_get_template_folders,
    mock_redact_template,
    single_letter_contact_block,
    service_one,
    fake_uuid,
):

    page = client_request.post(
        'main.redact_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _follow_redirects=True,
    )

    assert normalize_spaces(page.select('.banner-default-with-tick')[0].text) == (
        'Personalised content will be hidden for messages sent with this template'
    )

    mock_redact_template.assert_called_once_with(SERVICE_ONE_ID, fake_uuid)


def test_should_show_hint_once_template_redacted(
    client_request,
    mocker,
    service_one,
    mock_get_template_folders,
    fake_uuid,
):
    template = create_template(template_type='email', content='hi ((name))', redact_personalisation=True)
    mocker.patch('app.service_api_client.get_service_template', return_value={'data': template})

    page = client_request.get(
        'main.view_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _test_page_title=False,
    )

    assert page.select('.hint')[0].text == 'Personalisation is hidden after sending'


def test_should_not_show_redaction_stuff_for_letters(
    client_request,
    mocker,
    fake_uuid,
    mock_get_service_letter_template,
    mock_get_template_folders,
    single_letter_contact_block,
):

    mocker.patch('app.main.views.templates.get_page_count_for_letter', return_value=1)

    page = client_request.get(
        'main.view_template',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _test_page_title=False,
    )

    assert page.select('.hint') == []
    assert 'personalisation' not in ' '.join(
        link.text.lower() for link in page.select('a')
    )


def test_set_template_sender(
    client_request,
    fake_uuid,
    mock_update_service_template_sender,
    mock_get_service_letter_template,
    single_letter_contact_block
):
    data = {
        'sender': '1234',
    }

    client_request.post(
        'main.set_template_sender',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
        _data=data,
    )

    mock_update_service_template_sender.assert_called_once_with(
        SERVICE_ONE_ID,
        fake_uuid,
        '1234',
    )


@pytest.mark.parametrize('contact_block_data', [
    [],  # no letter contact blocks
    [create_letter_contact_block()],
])
def test_add_sender_link_only_appears_on_services_with_no_senders(
    client_request,
    fake_uuid,
    mocker,
    contact_block_data,
    mock_get_service_letter_template,
):
    mocker.patch('app.service_api_client.get_letter_contacts', return_value=contact_block_data)
    page = client_request.get(
        'main.set_template_sender',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
    )

    assert page.select_one('.column-three-quarters form > a')['href'] == url_for(
        'main.service_add_letter_contact',
        service_id=SERVICE_ONE_ID,
        from_template=fake_uuid,
    )


def test_set_template_sender_escapes_letter_contact_block_names(
    client_request,
    fake_uuid,
    mocker,
    mock_get_service_letter_template,
):
    letter_contact_block = create_letter_contact_block(contact_block='foo\n\n<script>\n\nbar')
    mocker.patch('app.service_api_client.get_letter_contacts', return_value=[letter_contact_block])
    page = client_request.get(
        'main.set_template_sender',
        service_id=SERVICE_ONE_ID,
        template_id=fake_uuid,
    )

    # use decode_contents, which returns the raw html, rather than text, which sanitises it and makes
    # testing confusing
    radio_text = page.select_one('.column-three-quarters label[for="sender-1"]').decode_contents()
    assert "&lt;script&gt;" in radio_text
    assert "<script>" not in radio_text