#!/usr/bin/env python3
"""Validate local .env and process settings without importing the application."""

import argparse
import os
import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).resolve().parents[1]))

from dotenv import load_dotenv

from config.validation import ConfigurationError, validate_configuration


def main() -> int:
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument(
        "--development",
        action="store_true",
        help="allow missing secrets and local URLs",
    )
    args = parser.parse_args()
    load_dotenv(Path(__file__).resolve().parents[1] / ".env", override=False)
    try:
        validate_configuration(os.environ, production=not args.development)
    except ConfigurationError as error:
        print(error, file=sys.stderr)
        return 1
    print("Configuration valid.")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())