from django.shortcuts import render
from django.contrib.auth import logout
from django.views.generic.list import ListView
from django.views.generic.detail import DetailView
from rest_framework.authentication import TokenAuthentication
from rest_framework.views import APIView
from rest_framework.response import Response
from rest_framework.permissions import IsAuthenticated
from rest_framework import status, permissions
from django.contrib.auth.models import User
from .models import sistemas_por_cliente, DeviceHistory,Device
from .serializers import DeviceSerializer
from .permissions import HasAuthorizationHeader
from django.utils import timezone
import re

class SistemasXCliente_ListView(ListView):
    model = sistemas_por_cliente
    paginate_by = 5
    template_name = 'Sistemas/Xclientes/lista.html'

class SistemasXCliente_DetailView(DetailView):
    model = sistemas_por_cliente
    template_name= 'Sistemas/Xclientes/detail.html'


class RegisterDeviceView(APIView):
    permissions_classes = (permissions.AllowAny,)

    def post(self,request):
        try:
            serializer = DeviceSerializer(data=request.data,context={'request':request})
            if serializer.is_valid():
                serializer.save()
                return Response(serializer.data, status=status.HTTP_200_OK)
            else:                
                return Response({'Error':f'{serializer.errors}','isError':True}, status=status.HTTP_200_OK) 
        except Exception as e:
            return Response(
                    {'Error':f'{e}','isError':True}
                    , status=status.HTTP_200_OK)



class AuthenticateDeviceView(APIView):
    authentication_classes= [TokenAuthentication]
    permissions_classes=[IsAuthenticated]

    def get(self, request):
        try:
            obj, created = DeviceHistory.objects.get_or_create(
                device=request.user.device,
                ip_address=request.META.get('REMOTE_ADDR'),
            )
            obj.last_authentication=timezone.now()
            obj.save()
            device_data=DeviceSerializer(request.user.device).data
            if device_data.serializer.is_valid:
                return Response(device_data.serializer.data, status=status.HTTP_200_OK)
            else:
                return Response(
                    {'Error':f'{device_data.serializer.errors}','isError':True}
                    , status=status.HTTP_200_OK)
        except Exception as e:
            return Response(
                    {'Error':f'{e}','isError':True}
                    , status=status.HTTP_200_OK)

class LogoutView(APIView):
    authentication_classes = (TokenAuthentication,)
    permission_classes = (IsAuthenticated,HasAuthorizationHeader,)

    def post(self, request):
        logout(request)
        return Response({'OK':'Dispositivo desautenticado'},status=200)