"""Maigret utils test functions"""
import itertools
import re

from maigret.utils import CaseConverter, is_country_tag, enrich_link_str, URLMatcher


def test_case_convert_camel_to_snake():
    a = 'SnakeCasedString'
    b = CaseConverter.camel_to_snake(a)

    assert b == 'snake_cased_string'


def test_case_convert_snake_to_camel():
    a = 'camel_cased_string'
    b = CaseConverter.snake_to_camel(a)

    assert b == 'camelCasedString'


def test_case_convert_snake_to_title():
    a = 'camel_cased_string'
    b = CaseConverter.snake_to_title(a)

    assert b == 'Camel cased string'


def test_is_country_tag():
    assert is_country_tag('ru') == True
    assert is_country_tag('FR') == True

    assert is_country_tag('a1') == False
    assert is_country_tag('dating') == False

    assert is_country_tag('global') == True


def test_enrich_link_str():
    assert enrich_link_str('test') == 'test'
    assert enrich_link_str(
        ' www.flickr.com/photos/alexaimephotography/') == '<a class="auto-link" href="www.flickr.com/photos/alexaimephotography/">www.flickr.com/photos/alexaimephotography/</a>'


def test_url_extract_main_part():
    url_main_part = 'flickr.com/photos/alexaimephotography'

    parts = [
        ['http://', 'https://'],
        ['www.', ''],
        [url_main_part],
        ['/', ''],
    ]

    url_regexp = re.compile('^https?://(www.)?flickr.com/photos/(.+?)$')
    for url_parts in itertools.product(*parts):
        url = ''.join(url_parts)
        assert URLMatcher.extract_main_part(url) == url_main_part
        assert not url_regexp.match(url) is None


def test_url_make_profile_url_regexp():
    url_main_part = 'flickr.com/photos/{username}'

    parts = [
        ['http://', 'https://'],
        ['www.', ''],
        [url_main_part],
        ['/', ''],
    ]

    for url_parts in itertools.product(*parts):
        url = ''.join(url_parts)
        assert URLMatcher.make_profile_url_regexp(url).pattern == r'^https?://(www.)?flickr\.com/photos/(.+?)$'