from rest_framework import status
from rest_framework.decorators import api_view
from rest_framework.response import Response

from .services import parse_upload_file, import_contacts_from_rows


@api_view(['POST'])
def import_contacts(request):
    file = request.FILES.get('file')
    if not file:
        return Response({'error': 'Файл не передан.'}, status=status.HTTP_400_BAD_REQUEST)
    try:
        rows, error = parse_upload_file(file)
        if error:
            return Response({'error': error}, status=status.HTTP_400_BAD_REQUEST)
        return Response(import_contacts_from_rows(rows))
    except Exception as e:
        return Response({'error': f'Ошибка разбора файла: {e}'}, status=status.HTTP_400_BAD_REQUEST)