"""Production ASGI entrypoint: wraps app.main:app and hides API docs by default.

Serve with:  python -m uvicorn app.asgi:application --port 8000
Set RESUME_AGENT_API_DOCS=1 to expose /docs, /redoc and /openapi.json.
"""

from __future__ import annotations

import os
from typing import Any

from .main import app

_DOC_PATHS = {"/docs", "/docs/oauth2-redirect", "/redoc", "/openapi.json"}


def _docs_enabled() -> bool:
    return os.getenv("RESUME_AGENT_API_DOCS", "").strip().lower() in {"1", "true", "on"}


class _DocsGate:
    """ASGI wrapper returning 404 for API-doc routes unless explicitly enabled."""

    def __init__(self, wrapped: Any) -> None:
        self.wrapped = wrapped

    async def __call__(self, scope: dict[str, Any], receive: Any, send: Any) -> None:
        if scope.get("type") == "http" and scope.get("path") in _DOC_PATHS and not _docs_enabled():
            payload = b'{"detail":"Not Found"}'
            await send({
                "type": "http.response.start",
                "status": 404,
                "headers": [(b"content-type", b"application/json"), (b"content-length", str(len(payload)).encode())],
            })
            await send({"type": "http.response.body", "body": payload})
            return
        await self.wrapped(scope, receive, send)


application = _DocsGate(app)