import pytest
from mqtt_home.mqtt_client import MqttClient
from mqtt_home.config import Settings


@pytest.fixture
def mqtt_client():
    settings = Settings(
        mqtt_host="localhost",
        mqtt_port=1883,
        emqx_api_url="http://localhost:18083/api/v5",
        emqx_api_key="test-key",
        emqx_api_secret="test-secret",
        database_url="sqlite+aiosqlite:///:memory:",
    )
    return MqttClient(settings)


def test_topic_matches_exact():
    assert MqttClient._topic_matches("home/light", "home/light") is True
    assert MqttClient._topic_matches("home/light", "home/switch") is False


def test_topic_matches_single_level_wildcard():
    assert MqttClient._topic_matches("home/light/status", "home/+/status") is True
    assert MqttClient._topic_matches("home/switch/status", "home/+/status") is True
    assert MqttClient._topic_matches("home/light", "home/+") is True
    assert MqttClient._topic_matches("home/light/extra", "home/+") is False


def test_topic_matches_multi_level_wildcard():
    assert MqttClient._topic_matches("homeassistant/light/abc/config", "homeassistant/#") is True
    assert MqttClient._topic_matches("homeassistant/light/abc/config", "homeassistant/light/#") is True
    assert MqttClient._topic_matches("other/topic", "homeassistant/#") is False


def test_register_callback(mqtt_client):
    async def cb(topic, payload):
        pass

    mqtt_client.on_message("home/#", cb)
    assert "home/#" in mqtt_client._callbacks
    assert len(mqtt_client._callbacks["home/#"]) == 1


def test_initial_state(mqtt_client):
    assert mqtt_client.is_connected is False
    assert len(mqtt_client._client_id) > 0