main.py

#!/usr/bin/env python3
"""VS Code Discord RPC — Advanced Rich Presence with smart activity detection.

Usage:
    python main.py                  # start with default config.toml
    python main.py -c my_config.toml  # use a custom config file
    python main.py --help           # show all options
"""

from __future__ import annotations

import argparse
import sys
from pathlib import Path


def main() -> None:
    parser = argparse.ArgumentParser(
        description="Advanced Discord Rich Presence for VS Code",
        formatter_class=argparse.RawDescriptionHelpFormatter,
        epilog=(
            "Template variables for config.toml:\n"
            "  {workspace}      project name\n"
            "  {filename}       current file\n"
            "  {language}       detected language\n"
            "  {language_icon}  Discord asset key\n"
            "  {activity}       auto-detected activity\n"
            "  {branch}         git branch\n"
            "  {file_size}      file size\n"
            "  {line_count}     line count\n"
        ),
    )
    parser.add_argument(
        "-c", "--config",
        type=Path,
        default=None,
        help="path to config.toml (default: ./config.toml)",
    )
    parser.add_argument(
        "--version",
        action="version",
        version="vscode-discord-rpc 1.0.0",
    )

    args = parser.parse_args()

    # validate Python version
    if sys.version_info < (3, 11):
        print("Error: Python 3.11+ is required (for tomllib).", file=sys.stderr)
        sys.exit(1)

    from rpc.app import App

    app = App(config_path=args.config)

    if not app.config.client_id:
        print(
            "Error: No Discord client_id set.\n"
            "  1. Go to https://discord.com/developers/applications\n"
            "  2. Create an application (or use an existing one)\n"
            "  3. Copy the Application ID\n"
            "  4. Set it in config.toml under [discord] client_id\n",
            file=sys.stderr,
        )
        sys.exit(1)

    app.run()


if __name__ == "__main__":
    main()