__main__.py

"""
Entry point for Cal-Bridge when invoked as a Python module:

    python -m cal_bridge [--config PATH] [--week-mapping PATH] [--output DIR]

Run from the project root directory (F:\\Code\\Cal-Bridge).
"""

import argparse
import sys
import os

# Ensure the project root is on sys.path so 'src' is importable as a package.
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))

from src.main import main


def cli():
    parser = argparse.ArgumentParser(
        prog='python -m cal_bridge',
        description=(
            'Cal-Bridge: Convert XJTLU TimetablePlus timetable data '
            'into an ICS calendar file importable by Google Calendar, '
            'Outlook, Apple Calendar, and others.'
        ),
    )
    parser.add_argument(
        '--config',
        default='config.json',
        metavar='PATH',
        help='Path to the configuration file (default: config.json)',
    )
    parser.add_argument(
        '--week-mapping',
        default='week_mapping.json',
        metavar='PATH',
        help='Path to the week mapping file (default: week_mapping.json)',
    )
    parser.add_argument(
        '--output',
        default=None,
        metavar='DIR',
        help='Output directory for the generated ICS file (default: output/)',
    )
    args = parser.parse_args()

    main(
        config_path=args.config,
        week_mapping_path=args.week_mapping,
        output_dir=args.output,
    )


if __name__ == '__main__':
    cli()