import os
import sys
import json
from pathlib import Path

# Add project root to path to ensure imports work
sys.path.append(os.path.dirname(os.path.abspath(__file__)))

try:
    from app.main import app
    print("Successfully imported FastAPI app.")
except ImportError as e:
    print(f"Error importing app: {e}")
    sys.exit(1)

def generate_openapi_json():
    openapi_schema = app.openapi()
    
    output_path = Path("openapi.json")
    
    with open(output_path, "w", encoding="utf-8") as f:
        json.dump(openapi_schema, f, indent=2, ensure_ascii=False)
    
    print(f"OpenAPI documentation generated at: {output_path.absolute()}")

if __name__ == "__main__":
    generate_openapi_json()