"""Tests for the configuration module."""

import os
from unittest.mock import patch

from src.config import Settings, load_settings


class TestSettings:
    def test_defaults(self):
        with patch.dict(os.environ, {}, clear=True):
            settings = Settings(
                _env_file=None,  # type: ignore[call-arg]
            )
        assert settings.ticketmaster_key == ""
        assert settings.seatgeek_client_id == ""
        assert settings.telegram_bot_token == ""
        assert settings.telegram_chat_id == ""
        assert settings.airbnb_listing_id == ""
        assert settings.airbnb_base_price == 150
        assert settings.price_increase_pct == 20
        assert settings.search_lat == 43.8083
        assert settings.search_lon == -79.4220
        assert settings.search_radius_km == 30
        assert settings.min_alert_score == 0.0
        assert settings.lookahead_days == 30
        assert settings.log_level == "INFO"

    def test_loads_from_env(self):
        env = {
            "TICKETMASTER_KEY": "tm-key-123",
            "SEATGEEK_CLIENT_ID": "sg-id-456",
            "TELEGRAM_BOT_TOKEN": "bot-token",
            "TELEGRAM_CHAT_ID": "12345",
            "AIRBNB_LISTING_ID": "listing-789",
            "AIRBNB_BASE_PRICE": "200",
            "PRICE_INCREASE_PCT": "30",
            "SEARCH_LAT": "44.0",
            "SEARCH_LON": "-80.0",
            "SEARCH_RADIUS_KM": "50",
            "MIN_ALERT_SCORE": "0.45",
            "LOOKAHEAD_DAYS": "14",
            "LOG_LEVEL": "DEBUG",
        }
        with patch.dict(os.environ, env, clear=True):
            settings = Settings(_env_file=None)  # type: ignore[call-arg]

        assert settings.ticketmaster_key == "tm-key-123"
        assert settings.seatgeek_client_id == "sg-id-456"
        assert settings.telegram_bot_token == "bot-token"
        assert settings.telegram_chat_id == "12345"
        assert settings.airbnb_listing_id == "listing-789"
        assert settings.airbnb_base_price == 200
        assert settings.price_increase_pct == 30
        assert settings.search_lat == 44.0
        assert settings.search_lon == -80.0
        assert settings.search_radius_km == 50
        assert settings.min_alert_score == 0.45
        assert settings.lookahead_days == 14
        assert settings.log_level == "DEBUG"

    def test_load_settings_returns_settings_instance(self):
        settings = load_settings()
        assert isinstance(settings, Settings)