from urllib import parse

from fastapi import Request
from fastapi.exceptions import HTTPException
from fastapi.responses import RedirectResponse
from starlette import status


def http_exception_handler(request: Request, exc: HTTPException):
    # 非同期API呼び出しの場合、detailにdictが入ってくるため、そのまま流す
    if hasattr(exc, 'detail') is True and type(exc.detail) == dict:
        raise exc
    error_detail = exc.detail if hasattr(exc, 'detail') else ''
    reason = parse.quote(error_detail)
    return RedirectResponse(f'/logout/?reason={reason}', status_code=status.HTTP_303_SEE_OTHER)