from rest_framework import viewsets
from rest_framework.filters import SearchFilter, OrderingFilter
from django_filters.rest_framework import DjangoFilterBackend
from .models import Position, Department, Employee
from .serializers import PositionSerializer, DepartmentSerializer, EmployeeSerializer
from .filters import EmployeeFilter  # Фильтры будут добавлены позже

class PositionViewSet(viewsets.ModelViewSet):
    queryset = Position.objects.all()
    serializer_class = PositionSerializer
    filter_backends = [SearchFilter, OrderingFilter]
    search_fields = ["name"]
    ordering_fields = ["name"]


class DepartmentViewSet(viewsets.ModelViewSet):
    queryset = Department.objects.all()
    serializer_class = DepartmentSerializer
    filter_backends = [SearchFilter, OrderingFilter]
    search_fields = ["name"]
    ordering_fields = ["name"]


class EmployeeViewSet(viewsets.ModelViewSet):
    queryset = Employee.objects.all()
    serializer_class = EmployeeSerializer
    filter_backends = [DjangoFilterBackend, SearchFilter, OrderingFilter]
    filterset_class = EmployeeFilter
    search_fields = ["account__first_name", "account__last_name", "position__name", "department__name"]
    ordering_fields = ["department", "position", "account__last_name"]