"""Run a typed decision request from a JSON file."""
import argparse
import json

from pydantic import ValidationError

from serve import DecisionRequest, load_model


def main():
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument("request", help="System One request JSON file")
    args = parser.parse_args()
    try:
        with open(args.request) as stream:
            request = DecisionRequest.model_validate(json.load(stream))
    except (OSError, ValueError, ValidationError) as error:
        parser.error(str(error))
    result = load_model().decide(request.state, request.question_dict())
    print(json.dumps(result["answers"], ensure_ascii=False))


if __name__ == "__main__":
    main()