#!/usr/bin/env python3
import json
import os
import sys

from config_model import load_config


def main() -> int:
    path = sys.argv[1] if len(sys.argv) > 1 else os.getenv("CONFIG_PATH", "config.json")
    config = load_config(path)
    json.dump(config, sys.stdout, indent=2)
    sys.stdout.write("\n")
    return 0


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