"""FastApi error handlers."""

import logging

from fastapi import status
from fastapi.exceptions import HTTPException
from fastapi.requests import Request
from fastapi.responses import JSONResponse, Response

logger = logging.getLogger(__name__)

DEFAULT_ERROR_MSG = (
    "The server encountered an internal error and was unable to complete your request."
)


def default_error_handler(_request: Request, exc: Exception) -> Response:
    """Handle error when uncaught exception is raised.

    Default exception handler

    Args:
        _request: fastapi.Request (required by FastAPI protocol, not used directly)
        exc: Exception object with error and trace info

    Returns:
        Response: A 500 response with JSON 'code' & 'message' payload.
    """
    logger.exception(exc)
    return JSONResponse(
        content={
            "code": "internal_error",
            "message": DEFAULT_ERROR_MSG,
        },
        status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
    )


def http_error_handler(_request: Request, exc: HTTPException) -> Response:
    """Handle error when HTTPException exception is raised.

    Default exception handler

    Args:
        _request: fastapi.Request (required by FastAPI protocol, not used directly)
        exc: Exception object with error and trace info

    Returns:
        Response: A 4xx response with JSON 'code' & 'message' payload.
    """
    logger.info(exc.detail, extra={"code": exc.status_code})
    return JSONResponse(
        content={
            "code": "bad_request",
            "message": exc.detail,
        },
        status_code=exc.status_code,
    )