# services/external/app/jobs/initialize_data.py
"""
Kubernetes Init Job - Initialize 24-month historical data
"""

import asyncio
import argparse
import sys
import logging
import structlog

from app.ingestion.ingestion_manager import DataIngestionManager
from app.core.database import database_manager

logger = structlog.get_logger()


async def main(months: int = 24):
    """Initialize historical data for all enabled cities and seed calendars"""
    logger.info("Starting data initialization job", months=months)

    try:
        manager = DataIngestionManager()

        # Initialize weather and traffic data
        weather_traffic_success = await manager.initialize_all_cities(months=months)

        # Seed school calendars
        logger.info("Proceeding to seed school calendars...")
        calendar_success = await manager.seed_school_calendars()

        # Calendar seeding is critical, but weather/traffic can have partial success
        overall_success = calendar_success and weather_traffic_success

        if overall_success:
            logger.info("✅ Data initialization completed successfully (weather, traffic, calendars)")
            sys.exit(0)
        else:
            if not calendar_success:
                logger.error("❌ Calendar seeding failed - this is critical")
                sys.exit(1)
            elif not weather_traffic_success:
                # Log as warning instead of error if some data was retrieved
                logger.warning("⚠️  Weather/traffic initialization had partial failures, but system can continue")
                logger.info("✅ Calendar seeding completed - system can operate with available data")
                sys.exit(0)  # Allow partial success for weather/traffic

    except Exception as e:
        logger.error("❌ Fatal error during initialization", error=str(e))
        sys.exit(1)
    finally:
        await database_manager.close_connections()


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="Initialize historical data")
    parser.add_argument("--months", type=int, default=24, help="Number of months to load")
    parser.add_argument("--log-level", default="INFO", help="Log level")

    args = parser.parse_args()

    # Convert string log level to logging constant
    log_level = getattr(logging, args.log_level.upper(), logging.INFO)

    structlog.configure(
        wrapper_class=structlog.make_filtering_bound_logger(log_level)
    )

    asyncio.run(main(months=args.months))