from django_core.mixins import BaseViewSetMixin
from django_filters.rest_framework import DjangoFilterBackend
from drf_spectacular.utils import OpenApiParameter, extend_schema
from rest_framework.filters import OrderingFilter
from rest_framework.permissions import AllowAny
from rest_framework.response import Response
from rest_framework.viewsets import ReadOnlyModelViewSet

from core.apps.evaluation.filters.history import (
    AutoevaluationhistoryFilter,
    QuickevaluationhistoryFilter,
)
from core.apps.evaluation.models import AutoevaluationhistoryModel, QuickevaluationhistoryModel
from core.apps.evaluation.serializers.history import (
    CreateAutoevaluationhistorySerializer,
    CreateQuickevaluationhistorySerializer,
    ListAutoevaluationhistorySerializer,
    ListQuickevaluationhistorySerializer,
    RetrieveAutoevaluationhistorySerializer,
    RetrieveQuickevaluationhistorySerializer,
)


@extend_schema(
    tags=["AutoEvaluationHistory"],
    parameters=[
        OpenApiParameter("auto_evaluation", int, description="AutoEvaluation ID bo'yicha filter"),
        OpenApiParameter("event_type", str, description="Event turi bo'yicha filter"),
        OpenApiParameter("created_from", str, description="Boshlanish sanasi (ISO 8601)"),
        OpenApiParameter("created_to", str, description="Tugash sanasi (ISO 8601)"),
    ],
)
class AutoEvaluationHistoryView(BaseViewSetMixin, ReadOnlyModelViewSet):
    # select_related("auto_evaluation") faqat retrieve uchun — list uchun kerak emas
    queryset = AutoevaluationhistoryModel.objects.only(
        "id", "auto_evaluation_id", "event_type",
        "actor_id", "actor_full_name", "actor_role",
        "meta", "created_at",
    )
    serializer_class = ListAutoevaluationhistorySerializer
    permission_classes = [AllowAny]
    pagination_class = None

    filter_backends = [DjangoFilterBackend, OrderingFilter]
    filterset_class = AutoevaluationhistoryFilter
    ordering_fields = ["created_at"]
    ordering = ["created_at"]

    action_permission_classes = {}
    action_serializer_class = {
        "list": ListAutoevaluationhistorySerializer,
        "retrieve": RetrieveAutoevaluationhistorySerializer,
        "create": CreateAutoevaluationhistorySerializer,
    }

    def list(self, request, *args, **kwargs):
        queryset = self.filter_queryset(self.get_queryset())
        # Queryset bir marta evaluate qilinadi — COUNT uchun alohida query yo'q
        results = list(queryset)
        serializer = self.get_serializer(results, many=True)
        return Response({
            "count": len(results),
            "next": None,
            "previous": None,
            "results": serializer.data,
        })


@extend_schema(
    tags=["QuickEvaluationHistory"],
    parameters=[
        OpenApiParameter("quick_evaluation", int, description="QuickEvaluation ID bo'yicha filter"),
        OpenApiParameter("event_type", str, description="Event turi bo'yicha filter"),
        OpenApiParameter("created_from", str, description="Boshlanish sanasi (ISO 8601)"),
        OpenApiParameter("created_to", str, description="Tugash sanasi (ISO 8601)"),
    ],
)
class QuickEvaluationHistoryView(BaseViewSetMixin, ReadOnlyModelViewSet):
    queryset = QuickevaluationhistoryModel.objects.only(
        "id", "quick_evaluation_id", "event_type",
        "actor_id", "actor_full_name", "actor_role",
        "meta", "created_at",
    )
    serializer_class = ListQuickevaluationhistorySerializer
    permission_classes = [AllowAny]
    pagination_class = None

    filter_backends = [DjangoFilterBackend, OrderingFilter]
    filterset_class = QuickevaluationhistoryFilter
    ordering_fields = ["created_at"]
    ordering = ["created_at"]

    action_permission_classes = {}
    action_serializer_class = {
        "list": ListQuickevaluationhistorySerializer,
        "retrieve": RetrieveQuickevaluationhistorySerializer,
        "create": CreateQuickevaluationhistorySerializer,
    }

    def list(self, request, *args, **kwargs):
        queryset = self.filter_queryset(self.get_queryset())
        results = list(queryset)
        serializer = self.get_serializer(results, many=True)
        return Response({
            "count": len(results),
            "next": None,
            "previous": None,
            "results": serializer.data,
        })