import type { CreateLeagueViewData } from '../view-data/CreateLeagueViewData';
import { ViewModel } from "../contracts/view-models/ViewModel";
import { LeagueCreationStatusDisplay } from '../display-objects/LeagueCreationStatusDisplay';

/**
 * View Model for Create League Result
 *
 * Represents the result of creating a league in a UI-ready format.
 * Composes Display Objects and transforms ViewData for UI consumption.
 */
export class CreateLeagueViewModel extends ViewModel {
  readonly leagueId: string;
  readonly success: boolean;

  // UI-specific derived fields (primitive outputs only)
  readonly successMessage: string;

  constructor(viewData: CreateLeagueViewData) {
    super();
    this.leagueId = viewData.leagueId;
    this.success = viewData.success;

    // Derive UI-specific fields using Display Object
    this.successMessage = LeagueCreationStatusDisplay.statusMessage(this.success);
  }

  /** UI-specific: Whether league creation was successful */
  get isSuccessful(): boolean {
    return this.success;
  }
}