import uuid
from rest_framework.views import exception_handler
from rest_framework.response import Response


def custom_exception_handler(exc, context):
    response = exception_handler(exc, context)
    if response is None:
        return None

    request = context.get("request")
    request_id = (
        getattr(request, "META", {}).get("HTTP_X_REQUEST_ID") or str(uuid.uuid4())
    )

    code = getattr(exc, "default_code", "error")
    message = str(exc.detail) if hasattr(exc, "detail") else str(exc)
    details = exc.detail if isinstance(getattr(exc, "detail", None), dict) else {}

    response.data = {
        "error": {
            "code": code,
            "message": message,
            "details": details,
            "request_id": request_id,
        }
    }
    return response