import os
import boto3
from botocore.exceptions import ClientError

def test_minio_connection():
    minio_server_url = os.environ.get('MINIO_SERVER_URL')
    access_key = os.environ.get('MINIO_ACCESS_KEY')
    secret_key = os.environ.get('MINIO_SECRET_KEY')
    secure = os.environ.get('MINIO_SECURE', 'False').lower() == 'true'

    print(f"Attempting to connect to MinIO at: {minio_server_url}")
    print(f"Using Access Key: {access_key}")
    print(f"Secure connection: {secure}")

    try:
        s3_client = boto3.client(
            's3',
            endpoint_url=minio_server_url,
            aws_access_key_id=access_key,
            aws_secret_access_key=secret_key,
            use_ssl=secure,
            verify=False # For self-signed certs or local testing
        )

        print("Attempting to list buckets...")
        response = s3_client.list_buckets()
        print("Successfully listed buckets!")
        print("Buckets:")
        for bucket in response['Buckets']:
            print(f"  - {bucket['Name']}")

    except ClientError as e:
        print(f"MinIO ClientError: {e}")
        print(f"Error Code: {e.response.get('Error', {}).get('Code')}")
        print(f"Error Message: {e.response.get('Error', {}).get('Message')}")
    except Exception as e:
        print(f"An unexpected error occurred: {e}")

if __name__ == "__main__":
    test_minio_connection()