# coding=utf-8

from django.contrib.auth import get_user_model
from rest_framework_jwt.views import ObtainJSONWebToken, VerifyJSONWebToken, RefreshJSONWebToken
from rest_framework.serializers import ValidationError
from rest_framework.views import APIView
from utils import response_error, response_ok
from utils.permission import IsAdministrator
from utils.empower import checkLicence
from apps.staff.serializers import AdminUserJWTSerializer
from utils.exceptions import CustomError

User = get_user_model()

class AdminUserLoginView(ObtainJSONWebToken):
    serializer_class = AdminUserJWTSerializer

    def post(self, request, *args, **kwargs):

        #if not checkLicence():
        #    raise CustomError(u'授权失败！')

        try:
            ser = self.serializer_class(data=request.data)
            ser.request = request
            if ser.is_valid(raise_exception=True):
                return response_ok(ser.validated_data)
        except ValidationError as e:
            return response_error(e.detail['error'][0])


class AdminUserVerifyTokenView(VerifyJSONWebToken):
    def post(self, request, *args, **kwargs):
        try:
            ser = self.serializer_class(data=request.data)
            if ser.is_valid(raise_exception=True):
                return response_ok({'token': ser.validated_data['token']})
        except ValidationError as e:
            return response_error(u'登录状态失效，请重新登录[' + e.detail['error'][0] + ']')


class AdminUserRefreshTokenView(RefreshJSONWebToken):
    def post(self, request, *args, **kwargs):
        try:
            ser = self.serializer_class(data=request.data)
            if ser.is_valid(raise_exception=True):
                return response_ok({'token': ser.validated_data['token']})
        except ValidationError as e:
            return response_error(u'登录状态失效，请重新登录[' + e.detail['error'][0] + ']')

class LogoutView(APIView):
    permission_classes = [IsAdministrator, ]

    def get(self, request):
        User.objects.filter(pk=request.user.pk).update(status=User.OFFLINE)
        return response_ok()