#!/usr/bin/env python3
"""Main entry point for compliance-scan."""

import sys

from .cli import parse_arguments
from .commands import (
    handle_report_command,
    handle_scan_command,
    handle_update_iana_command,
)
from .output import print_error


def main() -> int:
    """Main entry point for compliance-scan.

    Returns:
        Exit code (0 for success, 1 for error).

    """
    args = parse_arguments()

    if args.command == "scan":
        return handle_scan_command(args)
    if args.command == "report":
        return handle_report_command(args)
    if args.command == "update-iana":
        return handle_update_iana_command(args)
    print_error(f"Unknown command: {args.command}")
    return 1


if __name__ == "__main__":
    sys.exit(main())