import pytest
from django.urls import reverse


def test_can_list_settings_via_api(preferences, api_client):
    url = reverse("api:v1:instance:settings")
    all_preferences = preferences.model.objects.all()
    expected_preferences = {
        p.preference.identifier(): p
        for p in all_preferences
        if getattr(p.preference, "show_in_api", False)
    }

    assert len(expected_preferences) > 0

    response = api_client.get(url)
    assert response.status_code == 200
    assert len(response.data) == len(expected_preferences)

    for p in response.data:
        i = "__".join([p["section"], p["name"]])
        assert i in expected_preferences


@pytest.mark.parametrize(
    "pref,value",
    [
        ("instance__name", "My instance"),
        ("instance__short_description", "For music lovers"),
        ("instance__long_description", "For real music lovers"),
    ],
)
def test_instance_settings(pref, value, preferences):
    preferences[pref] = value

    assert preferences[pref] == value


def test_instance_banner_assign_file_properly(preferences, avatar):
    preferences["instance__banner"] = avatar

    avatar.seek(0)
    banner = preferences["instance__banner"].read()

    assert len(banner) > 0
    assert banner == avatar.read()