from __future__ import annotations

import logging
import time
import uuid

from fastapi import Request
from starlette.middleware.base import BaseHTTPMiddleware
from starlette.responses import Response


logger = logging.getLogger("fastcheck.request")


class RequestLoggingMiddleware(BaseHTTPMiddleware):
    async def dispatch(self, request: Request, call_next):
        request_id = request.headers.get("x-request-id") or str(uuid.uuid4())
        request.state.request_id = request_id
        start = time.perf_counter()
        status_code = None
        try:
            response: Response = await call_next(request)
            status_code = response.status_code
        finally:
            duration_ms = int((time.perf_counter() - start) * 1000)
            logger.info(
                "request",
                extra={
                    "request_id": request_id,
                    "method": request.method,
                    "path": request.url.path,
                    "status_code": status_code,
                    "duration_ms": duration_ms,
                },
            )
        response.headers["x-request-id"] = request_id
        return response