"""Test page views and helper methods."""
import re

from incorporealcms.pages import generate_parent_navs, resolve_page_file


def test_resolve_page_file_dir_to_index():
    """Test that a request to a directory path results in the dir's index.md."""
    assert resolve_page_file('foo/') == 'pages/foo/index.md'


def test_resolve_page_file_subdir_to_index():
    """Test that a request to a dir's subdir path results in the subdir's index.md."""
    assert resolve_page_file('foo/bar/') == 'pages/foo/bar/index.md'


def test_resolve_page_file_other_requests_fine():
    """Test that a request to non-dir path results in a Markdown file."""
    assert resolve_page_file('foo/baz') == 'pages/foo/baz.md'


def test_page_that_exists(client):
    """Test that the app can serve a basic file at the index."""
    response = client.get('/')
    assert response.status_code == 200
    assert b'<h1>test index</h1>' in response.data


def test_page_that_doesnt_exist(client):
    """Test that the app returns 404 for nonsense requests."""
    response = client.get('/ohuesthaoeusth')
    assert response.status_code == 404


def test_page_with_title_metadata(client):
    """Test that a page with title metadata has its title written."""
    response = client.get('/')
    assert response.status_code == 200
    assert b'<title>Index - incorporeal.org</title>' in response.data


def test_page_without_title_metadata(client):
    """Test that a page without title metadata gets the default title."""
    response = client.get('/no-title')
    assert response.status_code == 200
    assert b'<title>incorporeal.org</title>' in response.data
    assert b'<h1>this page doesn\'t have a title!</h1>' in response.data


def test_page_has_modified_timestamp(client):
    """Test that pages have modified timestamps in them."""
    response = client.get('/')
    assert response.status_code == 200
    assert re.search(r'Last modified: ....-..-.. ..:..:.. ...', response.data.decode()) is not None


def test_generate_page_navs_index(app):
    """Test that the index page has navs to the root (itself)."""
    with app.app_context():
        assert generate_parent_navs('/') == [('incorporeal.org', '/')]


def test_generate_page_navs_alternate_index(app):
    """Test that the index page (as a page, not a path) also has navs only to the root (by path)."""
    with app.app_context():
        assert generate_parent_navs('index') == [('incorporeal.org', '/')]


def test_generate_page_navs_subdir_index(app):
    """Test that dir pages have navs to the root and themselves."""
    with app.app_context():
        assert generate_parent_navs('subdir/') == [('incorporeal.org', '/'), ('/subdir/', '/subdir/')]


def test_generate_page_navs_subdir_real_page(app):
    """Test that real pages have navs to the root, their parent, and themselves."""
    with app.app_context():
        assert generate_parent_navs('subdir/page') == [('incorporeal.org', '/'), ('/subdir/', '/subdir/'),
                                                       ('Page', '/subdir/page')]


def test_generate_page_navs_subdir_with_title_parsing_real_page(app):
    """Test that title metadata is used in the nav text."""
    with app.app_context():
        assert generate_parent_navs('subdir-with-title/page') == [
            ('incorporeal.org', '/'),
            ('SUB!', '/subdir-with-title/'),
            ('/subdir-with-title/page', '/subdir-with-title/page')
        ]