from rest_framework.pagination import PageNumberPagination
from rest_framework.response import Response
from rest_framework import status

class TransactionPagination(PageNumberPagination):
    page_size = 10
    page_size_query_param = 'page_size'
    max_page_size = 100

    def get_paginated_response(self, data):
        return Response({
            "count": self.page.paginator.count,
            "current_page": self.page.number,
            "next_page": self.page.number + 1 if self.page.has_next() else None,
            "previous_page": self.page.number - 1 if self.page.has_previous() else None,
            "total_pages": self.page.paginator.num_pages,
            "data": data,
            "success": True,
            "statusCode": status.HTTP_200_OK,
            "message": "Transactions retrieved successfully."
        })