import { PaginationDto, PaginationMetaDto } from '../dto/pagination.dto';

export function createPaginationMeta(
  paginationDto: PaginationDto,
  total: number,
): PaginationMetaDto {
  const { page = 1, limit = 10 } = paginationDto;
  const totalPages = Math.ceil(total / limit);

  return {
    page,
    limit,
    total,
    totalPages,
    hasNext: page < totalPages,
    hasPrev: page > 1,
  };
}

export function paginate<T>(
  data: T[],
  paginationDto: PaginationDto,
  total: number,
) {
  const meta = createPaginationMeta(paginationDto, total);
  
  return {
    data,
    meta,
  };
}