import time
import uuid

from starlette.middleware.base import BaseHTTPMiddleware, RequestResponseEndpoint
from starlette.requests import Request
from starlette.responses import Response

from src.core.logging import get_logger

logger = get_logger("request_logging")


class RequestLoggingMiddleware(BaseHTTPMiddleware):
    async def dispatch(self, request: Request, call_next: RequestResponseEndpoint) -> Response:
        request_id = request.headers.get("X-Request-ID", str(uuid.uuid4()))
        request.state.request_id = request_id

        start = time.perf_counter()
        response = await call_next(request)
        duration_ms = (time.perf_counter() - start) * 1000

        logger.info(
            "request_completed",
            extra={
                "request_id": request_id,
                "method": request.method,
                "path": request.url.path,
                "status_code": response.status_code,
                "duration_ms": round(duration_ms, 2),
                "client_ip": request.client.host if request.client else None,
                "user_agent": request.headers.get("user-agent", ""),
            },
        )

        response.headers["X-Request-ID"] = request_id
        return response