"""
Debug test to understand why setpoints are returning 0.0
"""

import asyncio
import pytest
import pytest_asyncio
from sqlalchemy import text

from src.database.flexible_client import FlexibleDatabaseClient
from src.core.auto_discovery import AutoDiscovery
from src.core.setpoint_manager import SetpointManager
from src.core.safety import SafetyLimitEnforcer
from src.core.emergency_stop import EmergencyStopManager
from src.monitoring.watchdog import DatabaseWatchdog


class TestDebugSetpoint:
    """Debug test for setpoint issues."""
    
    @pytest_asyncio.fixture
    async def debug_db_client(self):
        """Create database client for debugging."""
        client = FlexibleDatabaseClient("sqlite:///:memory:")
        await client.connect()
        client.create_tables()
        
        # Insert debug test data
        client.execute(
            """INSERT INTO pump_stations (station_id, station_name, location) VALUES
               ('DEBUG_STATION_001', 'Debug Station 1', 'Test Area')"""
        )
        
        client.execute(
            """INSERT INTO pumps (station_id, pump_id, pump_name, control_type, default_setpoint_hz) VALUES
               ('DEBUG_STATION_001', 'DEBUG_PUMP_001', 'Debug Pump 1', 'DIRECT_SPEED', 35.0)"""
        )
        
        client.execute(
            """INSERT INTO pump_safety_limits (station_id, pump_id, hard_min_speed_hz, hard_max_speed_hz, 
                   hard_min_level_m, hard_max_level_m, hard_max_power_kw, hard_max_flow_m3h, 
                   emergency_stop_level_m, dry_run_protection_level_m, max_speed_change_hz_per_min) VALUES
               ('DEBUG_STATION_001', 'DEBUG_PUMP_001', 20.0, 70.0, 0.5, 5.0, 100.0, 500.0, 4.8, 0.6, 10.0)"""
        )
        
        client.execute(
            """INSERT INTO pump_plans (station_id, pump_id, interval_start, interval_end, 
                   suggested_speed_hz, target_flow_m3h, target_power_kw, plan_version, optimization_run_id, plan_status) VALUES
               ('DEBUG_STATION_001', 'DEBUG_PUMP_001', datetime('now', '-1 hour'), datetime('now', '+1 hour'), 
                42.5, 320.0, 65.0, 1, 'DEBUG_OPT_001', 'ACTIVE')"""
        )
        
        return client
    
    @pytest_asyncio.fixture
    async def debug_components(self, debug_db_client):
        """Create components for debugging."""
        discovery = AutoDiscovery(debug_db_client)
        await discovery.discover()
        
        safety_enforcer = SafetyLimitEnforcer(debug_db_client)
        await safety_enforcer.load_safety_limits()
        emergency_stop_manager = EmergencyStopManager(debug_db_client)
        watchdog = DatabaseWatchdog(debug_db_client, alert_manager=None, timeout_seconds=60)
        
        setpoint_manager = SetpointManager(
            db_client=debug_db_client,
            discovery=discovery,
            safety_enforcer=safety_enforcer,
            emergency_stop_manager=emergency_stop_manager,
            watchdog=watchdog
        )
        await setpoint_manager.start()
        
        return {
            'db_client': debug_db_client,
            'discovery': discovery,
            'safety_enforcer': safety_enforcer,
            'emergency_stop_manager': emergency_stop_manager,
            'watchdog': watchdog,
            'setpoint_manager': setpoint_manager
        }
    
    @pytest.mark.asyncio
    async def test_debug_setpoint_reading(self, debug_components):
        """Debug why setpoints are returning 0.0."""
        db_client = debug_components['db_client']
        setpoint_manager = debug_components['setpoint_manager']
        emergency_stop_manager = debug_components['emergency_stop_manager']
        
        # Check if emergency stop is active
        emergency_stop_active = emergency_stop_manager.is_emergency_stop_active('DEBUG_STATION_001', 'DEBUG_PUMP_001')
        print(f"Emergency stop active: {emergency_stop_active}")
        
        # Check what's in the database
        with db_client.engine.connect() as conn:
            plans = conn.execute(
                text("SELECT * FROM pump_plans WHERE station_id = 'DEBUG_STATION_001' AND pump_id = 'DEBUG_PUMP_001'")
            ).fetchall()
            print(f"Pump plans in database: {plans}")
            
            # Check pumps
            pumps = conn.execute(
                text("SELECT * FROM pumps WHERE station_id = 'DEBUG_STATION_001' AND pump_id = 'DEBUG_PUMP_001'")
            ).fetchall()
            print(f"Pump in database: {pumps}")
            
            # Check if there are any optimization plans
            optimization_plans = conn.execute(
                text("SELECT COUNT(*) FROM pump_plans")
            ).fetchone()
            print(f"Total optimization plans: {optimization_plans}")
            
            # Check plan status and time intervals
            plan_details = conn.execute(
                text("SELECT plan_status, interval_start, interval_end, suggested_speed_hz FROM pump_plans")
            ).fetchall()
            print(f"Plan details: {plan_details}")
            
            # Check current time in SQLite
            current_time = conn.execute(
                text("SELECT datetime('now')")
            ).fetchone()
            print(f"Current time in SQLite: {current_time}")
            
            # Check safety limits in database
            safety_limits_in_db = conn.execute(
                text("SELECT * FROM pump_safety_limits WHERE station_id = 'DEBUG_STATION_001' AND pump_id = 'DEBUG_PUMP_001'")
            ).fetchall()
            print(f"Safety limits in database: {safety_limits_in_db}")
            
            # Check all safety limits
            all_safety_limits = conn.execute(
                text("SELECT COUNT(*) FROM pump_safety_limits")
            ).fetchone()
            print(f"Total safety limits in database: {all_safety_limits}")
        
        # Debug safety limits
        safety_enforcer = debug_components['safety_enforcer']
        safety_limits = safety_enforcer.get_safety_limits('DEBUG_STATION_001', 'DEBUG_PUMP_001')
        print(f"Safety limits: {safety_limits}")
        
        # Check safety limits cache by looking at the internal cache
        print(f"Safety limits cache keys: {list(safety_enforcer.safety_limits_cache.keys())}")
        
        # Get setpoint
        setpoint = setpoint_manager.get_current_setpoint('DEBUG_STATION_001', 'DEBUG_PUMP_001')
        print(f"Setpoint returned: {setpoint}")
        
        # Check all setpoints
        all_setpoints = setpoint_manager.get_all_current_setpoints()
        print(f"All setpoints: {all_setpoints}")
        
        # The setpoint should be 42.5 from the optimization plan
        assert setpoint is not None, "Setpoint should not be None"
        assert setpoint > 0, f"Setpoint should be positive, got {setpoint}"
        
        print(f"Debug test completed: setpoint={setpoint}")