import jwt
from django.conf import settings
from user.models import UserProfile
from django.http import HttpResponse, JsonResponse
from django.utils.deprecation import MiddlewareMixin

import logging

from rest_framework.response import Response

logger = logging.getLogger('mylogger')


class CheckTokenMiddleware(MiddlewareMixin):
    def process_request(self, request):
        # todo 登录时不需要校验token
        path_info = request.path_info
        if path_info.endswith('login') or path_info.endswith('add_user'):
            return
        my_auth = request.META.get('HTTP_TOKEN')
        if not my_auth:
            return JsonResponse(data={'msg': '非法请求,请求头中未携带token'}, status=201)
        try:
            token = my_auth.split(' ')[1]
            res_dict = jwt.decode(token, settings.SECRET_KEY, algorithms=['HS256'])
        except Exception as e:
            logger.info(e)
            return JsonResponse({'msg': f'非法token，{e}'}, status=201)
        # request.user = UserProfile.objects.filter(id=res_dict.get('user_id')).first()
        # logger.info(res_dict)
        return