import { Link, LinkQueryParams, PaginatedResponse } from '../types';
import { findLinkById, findLinkDetailsById, findLinks } from './repository';

/**
 * Get links with pagination information
 */
export async function getLinks(params: LinkQueryParams): Promise<PaginatedResponse<Link>> {
  // Convert page number to offset
  const { page, limit = 10, ...otherParams } = params;
  const offset = page ? (page - 1) * limit : params.offset || 0;
  
  const result = await findLinks({
    ...otherParams,
    limit,
    offset
  });
  
  return {
    data: result.links,
    pagination: {
      total: result.total,
      limit: result.limit,
      offset: result.offset,
      page: result.page,
      totalPages: result.totalPages
    }
  };
}

/**
 * Get a single link by ID with full details (including statistics)
 */
export async function getLinkById(linkId: string): Promise<Link | null> {
  return await findLinkById(linkId);
}

/**
 * Get a single link by ID - only basic info without statistics
 */
export async function getLinkDetailsById(linkId: string): Promise<Omit<Link, 'visits' | 'unique_visits'> | null> {
  return await findLinkDetailsById(linkId);
}