import { OlympiansFactory } from '../factories/olympians.factory.js';
import { OlympicsCommittee } from '../providers/olympics-committee.js';

export class ListOlympiansTask {
  #defaultKey = 'firstname';
  #defaultOrder = 'asc';
  #orderDirection = {
    asc: 1,
    desc: -1,
  };

  #factory = OlympiansFactory;
  #committee = OlympicsCommittee;

  run(key = this.#defaultKey, order = this.#defaultOrder) {
    if (this.#committee.olympians.length === 0) {
      return 'No olympians added!';
    }
    const final = [...this.#committee.olympians];
    if(this.#orderDirection[order] === 1) {
      final.sort((a, b) => a[key] > b[key] ? 1 : -1);
    }
    if(this.#orderDirection[order] === 1) {
      final.sort((a, b) => b[key] < a[key] ? 1 : -1);
    }

    let result = '';
    for(const el of final) {
      result += `${el.print()}\n`;
    }
    return `Sorted by [key: ${key}] in [order: ${order}]
    ${result}
    `;

    // this should return the sorted olympians info instead
  }
}