"""
Pytest configuration and fixtures for Calejo Control Adapter tests.
"""

import asyncio
import pytest
import pytest_asyncio
from typing import Dict, Any, AsyncGenerator

from src.database.client import DatabaseClient
from src.core.auto_discovery import AutoDiscovery
from src.core.safety import SafetyLimitEnforcer
from src.core.logging import setup_logging
from config.settings import settings


@pytest.fixture(scope="session")
def event_loop():
    """Create an instance of the default event loop for the test session."""
    loop = asyncio.get_event_loop_policy().new_event_loop()
    yield loop
    loop.close()


@pytest.fixture(scope="session")
def test_settings():
    """Test settings with test database configuration."""
    # Override settings for testing
    settings.db_name = "calejo_test"
    settings.db_user = "control_reader_test"
    settings.environment = "testing"
    settings.log_level = "WARNING"  # Reduce log noise during tests
    return settings


@pytest_asyncio.fixture(scope="session")
async def test_db_client(test_settings) -> AsyncGenerator[DatabaseClient, None]:
    """Test database client with test database."""
    client = DatabaseClient(
        database_url=test_settings.database_url,
        min_connections=1,
        max_connections=3
    )
    await client.connect()
    yield client
    await client.disconnect()


@pytest.fixture
def mock_pump_data() -> Dict[str, Any]:
    """Mock pump data for testing."""
    return {
        "station_id": "TEST_STATION",
        "pump_id": "TEST_PUMP",
        "pump_name": "Test Pump",
        "pump_type": "SUBMERSIBLE",
        "control_type": "DIRECT_SPEED",
        "manufacturer": "Test Manufacturer",
        "model": "Test Model",
        "rated_power_kw": 50.0,
        "min_speed_hz": 20.0,
        "max_speed_hz": 50.0,
        "default_setpoint_hz": 35.0,
        "control_parameters": {"speed_ramp_rate": 5.0},
        "active": True
    }


@pytest.fixture
def mock_safety_limits() -> Dict[str, Any]:
    """Mock safety limits for testing."""
    return {
        "station_id": "TEST_STATION",
        "pump_id": "TEST_PUMP",
        "hard_min_speed_hz": 20.0,
        "hard_max_speed_hz": 50.0,
        "hard_min_level_m": 1.0,
        "hard_max_level_m": 4.0,
        "emergency_stop_level_m": 4.5,
        "dry_run_protection_level_m": 0.8,
        "hard_max_power_kw": 60.0,
        "hard_max_flow_m3h": 300.0,
        "max_speed_change_hz_per_min": 5.0
    }


@pytest.fixture
def mock_station_data() -> Dict[str, Any]:
    """Mock station data for testing."""
    return {
        "station_id": "TEST_STATION",
        "station_name": "Test Station",
        "location": "Test Location",
        "latitude": 45.4642035,
        "longitude": 9.189982,
        "timezone": "Europe/Rome",
        "active": True
    }


@pytest.fixture
def mock_pump_plan() -> Dict[str, Any]:
    """Mock pump plan for testing."""
    return {
        "station_id": "TEST_STATION",
        "pump_id": "TEST_PUMP",
        "target_flow_m3h": 250.0,
        "target_power_kw": 45.0,
        "target_level_m": 2.5,
        "suggested_speed_hz": 40.0
    }


@pytest.fixture
def mock_feedback_data() -> Dict[str, Any]:
    """Mock feedback data for testing."""
    return {
        "station_id": "TEST_STATION",
        "pump_id": "TEST_PUMP",
        "actual_speed_hz": 39.5,
        "actual_power_kw": 44.2,
        "actual_flow_m3h": 248.5,
        "wet_well_level_m": 2.48,
        "pump_running": True,
        "alarm_active": False,
        "alarm_code": None
    }