from fastapi import APIRouter, Form, Request,Depends,HTTPException
from service import ChatService
from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
from request import RequestChat
from typing import Optional
from fastapi.requests import Request
from fastapi.responses import JSONResponse

router = APIRouter()

class JWTBearer(HTTPBearer):
    def __init__(self, auto_error: bool = True):
        super(JWTBearer, self).__init__(auto_error=auto_error)

    async def __call__(self, request: Request):
        credentials: HTTPAuthorizationCredentials = await super(JWTBearer, self).__call__(request)
        if credentials:
            if credentials.scheme != "Bearer":
                raise HTTPException(status_code=401, detail="Invalid authentication scheme.")
            return credentials.credentials
        else:
            raise HTTPException(status_code=401, detail="Invalid authorization code.")

jwt_bearer = JWTBearer()
import decode_token