from rest_framework import filters, generics, permissions
from django.contrib.auth import get_user_model
from user_profile.permissions import TargetIsStaff
from user_profile import serializers
from django_filters.rest_framework import DjangoFilterBackend

User = get_user_model()

class UserList(generics.ListCreateAPIView):
    queryset = User.objects.all()
    serializer_class = serializers.UserCreateSerializer
    permission_classes = [TargetIsStaff]
    filter_backends = [filters.SearchFilter, filters.OrderingFilter, DjangoFilterBackend]
    search_fields = ['username', 'email', 'first_name', 'last_name']
    filterset_fields = ['username', 'email', 'first_name', 'last_name']
    ordering_fields = '__all__'

    def get_serializer_class(self):
        serializer_class = self.serializer_class

        if self.request.method == 'GET':
            serializer_class = serializers.UserRetrieveSerializer

        return serializer_class

class UserDetail(generics.RetrieveUpdateDestroyAPIView):
    queryset = User.objects.all()
    serializer_class = serializers.UserUpdateSerializer
    permission_classes = [TargetIsStaff]
    def get_serializer_class(self):
        serializer_class = self.serializer_class

        if self.request.method == 'GET':
            serializer_class = serializers.UserRetrieveSerializer

        return serializer_class
    
class UserPasswordUpdate(generics.UpdateAPIView):
    queryset = User.objects.all()
    serializer_class = serializers.UserUpdatePasswordSerializer
    permission_classes = [TargetIsStaff]