"""Dump the FastAPI OpenAPI schema to apps/api/openapi.json.

This must NOT require a database connection: importing ``app.main`` only builds
the app and routes; the DB engine is created lazily. Run from apps/api:

    python -m scripts.export_openapi
    # or
    python scripts/export_openapi.py
"""

from __future__ import annotations

import json
import sys
from pathlib import Path

# Allow running as a bare script (python scripts/export_openapi.py).
sys.path.insert(0, str(Path(__file__).resolve().parent.parent))

from app.main import app  # noqa: E402


def main() -> None:
    schema = app.openapi()
    out_path = Path(__file__).resolve().parent.parent / "openapi.json"
    out_path.write_text(json.dumps(schema, indent=2, ensure_ascii=False), encoding="utf-8")
    print(f"wrote {out_path}")


if __name__ == "__main__":
    main()