from django.db.models import Q
from rest_framework.authentication import TokenAuthentication
from rest_framework.parsers import FormParser, JSONParser, MultiPartParser
from rest_framework.permissions import IsAuthenticated
from rest_framework.viewsets import ModelViewSet

from apps.account.permissions import IsSuperAdmin
from utils.pagination import StandardResultsSetPagination

from .models import Video
from .serializers_admin import AdminVideoDetailSerializer, AdminVideoListSerializer


class AdminVideoViewSet(ModelViewSet):
    permission_classes = [IsAuthenticated, IsSuperAdmin]
    authentication_classes = [TokenAuthentication]
    pagination_class = StandardResultsSetPagination
    parser_classes = (MultiPartParser, FormParser, JSONParser)

    def get_serializer_class(self):
        if self.action == "list":
            return AdminVideoListSerializer
        return AdminVideoDetailSerializer

    def get_queryset(self):
        queryset = Video.objects.all()

        search_query = self.request.query_params.get("search")
        if search_query:
            queryset = queryset.filter(
                Q(title__icontains=search_query)
                | Q(slug__icontains=search_query)
                | Q(description__icontains=search_query)
                | Q(video_url__icontains=search_query)
            )

        status_filter = self.request.query_params.get("status")
        if status_filter in {"true", "false"}:
            queryset = queryset.filter(status=status_filter == "true")

        video_type = self.request.query_params.get("video_type")
        if video_type and video_type != "all":
            queryset = queryset.filter(video_type=video_type)

        return queryset.order_by("-created_at")