from django.http import JsonResponse
from .models import Employee
from .serializers import EmployeeSerializer
from rest_framework.decorators import api_view
from rest_framework.response import Response
from rest_framework import status

@api_view(['GET', 'POST'])
def read_create_employees(request):
    if request.method == 'GET':
        employees = Employee.objects.all()
        serializer = EmployeeSerializer(employees, many=True)
        return JsonResponse(serializer.data, safe=False)

    if request.method == 'POST':
        serializer = EmployeeSerializer(data=request.data)
        if serializer.is_valid():
            serializer.save()
            return Response(serializer.data, status=status.HTTP_201_CREATED)

@api_view(['GET', 'PUT', 'DELETE'])
def detail_employee(request, id):
    try:
        employee = Employee.objects.get(pk=id)
    except Employee.DoesNotExist:
        return Response(status=status.HTTP_404_NOT_FOUND)
    
    if request.method == 'GET':
        serializer = EmployeeSerializer(employee)
        return Response(serializer.data)
    
    elif request.method == 'PUT':
        serializer = EmployeeSerializer(employee, data=request.data)
        if serializer.is_valid():
            serializer.save()
            return Response(serializer.data)
        return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
      
    elif request.method == 'DELETE':
        affected = employee.delete()
        return Response(affected,status=status.HTTP_200_OK)