import argparse
import asyncio
import logging
import sys
from pathlib import Path
from typing import Any, Optional

from logging_utils import GridFormatter, set_source
from stream.proxy_server import ProxyServer


def parse_args() -> argparse.Namespace:
    """Parse command line arguments"""
    parser = argparse.ArgumentParser(
        description="HTTPS Proxy Server with SSL Inspection"
    )

    parser.add_argument(
        "--host", default="127.0.0.1", help="Host to bind the proxy server"
    )
    parser.add_argument(
        "--port", type=int, default=3120, help="Port to bind the proxy server"
    )
    parser.add_argument(
        "--domains",
        nargs="+",
        default=["*.google.com"],
        help="List of domain patterns to intercept (regex)",
    )
    parser.add_argument(
        "--proxy", help="Upstream proxy URL (e.g., http://user:pass@host:port)"
    )

    return parser.parse_args()


async def main() -> None:
    """Main entry point"""
    args = parse_args()

    # Set up logging with GridFormatter for consistent output
    set_source("PROXY")

    console_handler = logging.StreamHandler(sys.stderr)
    console_handler.setFormatter(GridFormatter(show_tree=True, colorize=True))
    console_handler.setLevel(logging.INFO)

    # Configure proxy_server logger specifically (not root)
    logger = logging.getLogger("proxy_server")
    logger.handlers.clear()  # Remove any existing handlers
    logger.addHandler(console_handler)
    logger.setLevel(logging.INFO)
    logger.propagate = False  # Prevent double logging

    logging.getLogger("asyncio").setLevel(logging.ERROR)
    logging.getLogger("websockets").setLevel(logging.ERROR)

    # Create certs directory
    cert_dir = Path("certs")
    cert_dir.mkdir(exist_ok=True)

    # Print startup information
    logger.info(f"Starting proxy server on {args.host}:{args.port}")
    logger.info(f"Intercepting domains: {args.domains}")
    if args.proxy:
        logger.info(f"Using upstream proxy: {args.proxy}")

    # Create and start the proxy server
    proxy_server = ProxyServer(
        host=args.host,
        port=args.port,
        intercept_domains=args.domains,
        upstream_proxy=args.proxy,
        queue=None,
    )

    try:
        await proxy_server.start()
    except KeyboardInterrupt:
        logger.info("Shutting down proxy server")
    except asyncio.CancelledError:
        raise
    except Exception as e:
        logger.error(f"Error starting proxy server: {e}", exc_info=True)
        sys.exit(1)


async def builtin(
    queue: Optional[Any] = None, port: Optional[int] = None, proxy: Optional[str] = None
) -> None:
    # Set up logging with GridFormatter for consistent output
    set_source("PROXY")

    console_handler = logging.StreamHandler(sys.stderr)
    console_handler.setFormatter(GridFormatter(show_tree=True, colorize=True))
    console_handler.setLevel(logging.INFO)

    # Configure proxy_server logger specifically (not root)
    logger = logging.getLogger("proxy_server")
    logger.handlers.clear()  # Remove any existing handlers
    logger.addHandler(console_handler)
    logger.setLevel(logging.INFO)
    logger.propagate = False  # Prevent double logging

    # Create certs directory
    cert_dir = Path("certs")
    cert_dir.mkdir(exist_ok=True)

    if port is None:
        port = 3120

    # Create and start the proxy server
    proxy_server = ProxyServer(
        host="127.0.0.1",
        port=port,
        intercept_domains=["*.google.com"],
        upstream_proxy=proxy,
        queue=queue,
    )

    try:
        await proxy_server.start()
    except KeyboardInterrupt:
        logger.info("Shutting down proxy server")
    except asyncio.CancelledError:
        raise
    except Exception as e:
        logger.error(f"Error starting proxy server: {e}", exc_info=True)
        sys.exit(1)


if __name__ == "__main__":
    asyncio.run(main())