from __future__ import annotations

import logging
from typing import Any

import tornado
from tornado import httputil
from tornado.web import Application

from core.utils import safe_json_dumps

logger = logging.getLogger(__name__)


class APIStatusHandler(tornado.web.RequestHandler):
    """API request handler for /api/v2/status"""

    def __init__(
        self,
        application: Application,
        request: httputil.HTTPServerRequest,
        **kwargs: Any,
    ) -> None:
        self._status_data: dict[str, Any] | None = None
        super().__init__(application, request, **kwargs)

    def initialize(self, status_data: dict[str, Any]) -> None:
        self._status_data = status_data

    def get(self) -> None:
        try:
            self.write(safe_json_dumps(self._status_data))
            self.set_status(200)
            self.set_header("Cache-Control", "no-store")
            self.set_header("Content-Type", "application/json")

        except Exception:
            logger.exception("Exception when handling client request to status API")
            self.write(safe_json_dumps("Error - an internal server error occurred."))
            self.set_status(500)