from rest_framework import permissions, status
from rest_framework.response import Response
from rest_framework.views import APIView

from .serializers import LoginSerializer, LogoutSerializer, RegistrationSerializer


class RegisterView(APIView):
    permission_classes = [permissions.AllowAny]
    throttle_scope = "auth"

    def post(self, request):
        serializer = RegistrationSerializer(data=request.data)
        if not serializer.is_valid():
            return Response(
                {"errors": serializer.errors},
                status=status.HTTP_400_BAD_REQUEST,
            )
        user = serializer.save()
        login_serializer = LoginSerializer(
            data={
                "email": user.email,
                "password": request.data.get("password"),
            },
            context={"request": request},
        )
        login_serializer.is_valid(raise_exception=True)
        tokens = login_serializer.save()
        return Response(
            {
                "user": {
                    "id": user.id,
                    "email": user.email,
                },
                "tokens": tokens,
            },
            status=status.HTTP_201_CREATED,
        )


class LoginView(APIView):
    permission_classes = [permissions.AllowAny]
    throttle_scope = "auth"

    def post(self, request):
        serializer = LoginSerializer(data=request.data, context={"request": request})
        if not serializer.is_valid():
            return Response(
                {"errors": serializer.errors},
                status=status.HTTP_400_BAD_REQUEST,
            )
        tokens = serializer.save()
        return Response({"tokens": tokens}, status=status.HTTP_200_OK)


class LogoutView(APIView):
    permission_classes = [permissions.IsAuthenticated]

    def post(self, request):
        serializer = LogoutSerializer(data=request.data)
        if not serializer.is_valid():
            return Response(
                {"errors": serializer.errors},
                status=status.HTTP_400_BAD_REQUEST,
            )
        serializer.save()
        return Response({"detail": "Logged out."}, status=status.HTTP_200_OK)