import pytest

from dynamic_preferences.registries import global_preferences_registry
from funkwhale_api.common import preferences as common_preferences


@pytest.fixture
def string_list_pref(preferences):

    @global_preferences_registry.register
    class P(common_preferences.StringListPreference):
        default = ['hello']
        section = 'test'
        name = 'string_list'
    yield
    del global_preferences_registry['test']['string_list']


@pytest.mark.parametrize('input,output', [
    (['a', 'b', 'c'], 'a,b,c'),
    (['a', 'c', 'b'], 'a,b,c'),
    (('a', 'c', 'b'), 'a,b,c'),
    ([], None),
])
def test_string_list_serializer_to_db(input, output):
    s = common_preferences.StringListSerializer.to_db(input) == output


@pytest.mark.parametrize('input,output', [
    ('a,b,c', ['a', 'b', 'c'], ),
    (None, []),
    ('', []),
])
def test_string_list_serializer_to_python(input, output):
    s = common_preferences.StringListSerializer.to_python(input) == output


def test_string_list_pref_default(string_list_pref, preferences):
    assert preferences['test__string_list'] == ['hello']


def test_string_list_pref_set(string_list_pref, preferences):
    preferences['test__string_list'] = ['world', 'hello']
    assert preferences['test__string_list'] == ['hello', 'world']