from rest_framework import viewsets
from rest_framework.filters import SearchFilter, OrderingFilter
from django_filters.rest_framework import DjangoFilterBackend
from .models import (
    EventStatus,
    ActivityType,
    Event,
    EventOrganizer,
    EventDetail,
    EventParticipant,
    MethodicalFile,
    RelevantMethodicalFile,
)
from .serializers import (
    EventStatusSerializer,
    ActivityTypeSerializer,
    EventSerializer,
    EventOrganizerSerializer,
    EventDetailSerializer,
    EventParticipantSerializer,
    MethodicalFileSerializer,
    RelevantMethodicalFileSerializer,
)
from .filters import (
    EventFilter,
    EventParticipantFilter,
    MethodicalFileFilter,
)  # Фильтры будут добавлены позже

class EventStatusViewSet(viewsets.ModelViewSet):
    queryset = EventStatus.objects.all()
    serializer_class = EventStatusSerializer
    filter_backends = [SearchFilter, OrderingFilter]
    search_fields = ["name"]
    ordering_fields = ["name"]


class ActivityTypeViewSet(viewsets.ModelViewSet):
    queryset = ActivityType.objects.all()
    serializer_class = ActivityTypeSerializer
    filter_backends = [SearchFilter, OrderingFilter]
    search_fields = ["name"]
    ordering_fields = ["name"]


class EventViewSet(viewsets.ModelViewSet):
    queryset = Event.objects.all()
    serializer_class = EventSerializer
    filter_backends = [DjangoFilterBackend, SearchFilter, OrderingFilter]
    filterset_class = EventFilter
    search_fields = ["name", "location", "description"]
    ordering_fields = ["date", "name"]


class EventOrganizerViewSet(viewsets.ModelViewSet):
    queryset = EventOrganizer.objects.all()
    serializer_class = EventOrganizerSerializer
    filter_backends = [DjangoFilterBackend, SearchFilter, OrderingFilter]
    filterset_fields = ["employee", "event"]
    search_fields = ["employee__account__first_name", "employee__account__last_name"]
    ordering_fields = ["employee", "event"]


class EventDetailViewSet(viewsets.ModelViewSet):
    queryset = EventDetail.objects.all()
    serializer_class = EventDetailSerializer
    filter_backends = [DjangoFilterBackend, SearchFilter, OrderingFilter]
    filterset_fields = ["activity_type", "event"]
    search_fields = ["activity_type__name"]
    ordering_fields = ["activity_type", "event"]


class EventParticipantViewSet(viewsets.ModelViewSet):
    queryset = EventParticipant.objects.all()
    serializer_class = EventParticipantSerializer
    filter_backends = [DjangoFilterBackend, SearchFilter, OrderingFilter]
    filterset_class = EventParticipantFilter
    search_fields = ["student__account__first_name", "student__account__last_name"]
    ordering_fields = ["event", "student", "points"]


class MethodicalFileViewSet(viewsets.ModelViewSet):
    queryset = MethodicalFile.objects.all()
    serializer_class = MethodicalFileSerializer
    filter_backends = [DjangoFilterBackend, SearchFilter, OrderingFilter]
    filterset_class = MethodicalFileFilter
    search_fields = ["name", "specialty__name"]
    ordering_fields = ["specialty", "name", "upload_date"]


class RelevantMethodicalFileViewSet(viewsets.ModelViewSet):
    queryset = RelevantMethodicalFile.objects.all()
    serializer_class = RelevantMethodicalFileSerializer
    filter_backends = [DjangoFilterBackend, SearchFilter, OrderingFilter]
    filterset_fields = ["methodical_file", "activity_type"]
    search_fields = ["methodical_file__name", "activity_type__name"]
    ordering_fields = ["methodical_file", "activity_type"]