from flask import jsonify

from core_notifications.logs import logger
from . import api


@api.errorhandler(422)
@api.errorhandler(400)
def validation_error(err):
    """Webargs validation errors handler."""

    data = {"detail": err.description, "status_code": err.code}
    try:
        data["extra"] = err.data.get("messages")
    except Exception:  # nosec
        pass  # nosec

    return jsonify(data), err.code


@api.errorhandler(Exception)
def generic_error(err):
    """
    Generic errors handler, that may process things like flask abort/exception
    or any generic exception.
    """

    data = {"status_code": 500, "detail": "Internal server error."}
    is_bare = False
    try:
        data["status_code"] = err.code
        data["detail"] = err.description
    except Exception:
        is_bare = True

    if is_bare:
        # logging with stack trace if it is not a response
        # but the bare exception
        logger.exception(err)

    return jsonify(data), data["status_code"]