#!/usr/bin/env python3
"""Verify that a directory exists and contains at least one file."""
import sys
import os

def verify_directory(path):
    if not os.path.exists(path):
        print(f"FAIL: Directory does not exist: {path}")
        return False
    if not os.path.isdir(path):
        print(f"FAIL: Path is not a directory: {path}")
        return False
    
    files = os.listdir(path)
    if len(files) == 0:
        print(f"FAIL: Directory is empty: {path}")
        return False
    
    print(f"OK: Directory exists with {len(files)} item(s): {', '.join(files)}")
    return True

if __name__ == "__main__":
    target = sys.argv[1] if len(sys.argv) > 1 else "/root/.hermes/wizard-outputs/spark"
    success = verify_directory(target)
    sys.exit(0 if success else 1)