import os
import sys
from openai import OpenAI


def main():
    api_key = os.getenv("OPENAI_API_KEY")
    if not api_key:
        print("ERROR: OPENAI_API_KEY environment variable is not set.", file=sys.stderr)
        sys.exit(1)

    # Az új OpenAI kliens automatikusan az OPENAI_API_KEY env-ből dolgozik
    client = OpenAI()

    prompt = "Please respond with exactly the string: hello world"

    try:
        response = client.responses.create(
            model="gpt-4.1-mini",
            input=prompt,
        )

        # Egyszerű, „naivan” kiszedjük a szöveget
        msg = response.output[0].content[0].text

        print("Model response:", msg)

    except Exception as e:
        print(f"ERROR while calling OpenAI API: {e}", file=sys.stderr)
        sys.exit(1)


if __name__ == "__main__":
    main()