from rest_framework.pagination import CursorPagination, PageNumberPagination


class VendorProductCursorPagination(CursorPagination):
    page_size = 20
    ordering = '-created_at'
    cursor_query_param = 'cursor'


class VendorProductPagePagination(PageNumberPagination):
    page_size = 20
    page_size_query_param = 'page_size'
    max_page_size = 100

    def get_paginated_response(self, data):
        from rest_framework.response import Response
        return Response({
            "total_items": self.page.paginator.count,
            "total_pages": self.page.paginator.num_pages,
            "page_size": self.get_page_size(self.request),
            "current_page": self.page.number,
            "links": {
                "next": self.get_next_link(),
                "previous": self.get_previous_link(),
            },
            "results": data,
        })