# -*- coding: utf-8 -*-
from __future__ import absolute_import, unicode_literals

from django.conf import settings
from .utils import generate_random_token
from django.contrib.auth import logout
import json
from django.contrib.auth.mixins import LoginRequiredMixin
from django.contrib.auth.models import User
from django.http.response import HttpResponse, HttpResponseRedirect, JsonResponse
from django.urls import reverse
from django.views.decorators.csrf import csrf_exempt
from django.views.generic import DetailView, ListView, RedirectView, UpdateView, View
from rest_framework.authtoken.models import Token
from rest_framework.authtoken.views import ObtainAuthToken
from rest_framework.permissions import AllowAny
from rest_framework.response import Response
from rest_framework import status
from django.shortcuts import redirect

from .models import User


class UserDetailView(LoginRequiredMixin, DetailView):
    model = User
    # These next two lines tell the view to index lookups by username
    slug_field = 'username'
    slug_url_kwarg = 'username'


class UserRedirectView(LoginRequiredMixin, RedirectView):
    permanent = False

    def get_redirect_url(self):
        return reverse('users:detail',
                       kwargs={'username': self.request.user.username})


class UserUpdateView(LoginRequiredMixin, UpdateView):

    fields = ['username', ]

    # we already imported User in the view code above, remember?
    model = User

    # send the user back to their own page after a successful update
    def get_success_url(self):
        return reverse('users:detail',
                       kwargs={'username': self.request.user.username})

    def get_object(self):
        # Only get the User record for the user making the request
        return User.objects.get(username=self.request.user.username)


class UserListView(LoginRequiredMixin, ListView):
    model = User
    # These next two lines tell the view to index lookups by username
    slug_field = 'username'
    slug_url_kwarg = 'username'


class CustomAuthToken(ObtainAuthToken):
    permission_classes = [AllowAny,]

    def post(self, request, *args, **kwargs):
        serializer = self.serializer_class(data=request.data,
                                           context={'request': request})
        serializer.is_valid(raise_exception=True)
        user = serializer.validated_data['user']
        token, created = Token.objects.get_or_create(user=user)
        return Response({
            'token': token.key,
            'user_id': user.pk,
            'email': user.email,
            'username': user.username
        })