import { RequestAvatarGenerationOutputDTO } from '../types/generated/RequestAvatarGenerationOutputDTO';

/**
 * Request Avatar Generation View Model
 *
 * Represents the result of an avatar generation request
 */
export class RequestAvatarGenerationViewModel {
  success: boolean;
  requestId?: string;
  avatarUrls?: string[];
  errorMessage?: string;

  constructor(dto: RequestAvatarGenerationOutputDTO) {
    this.success = dto.success;
    if (dto.requestId !== undefined) this.requestId = dto.requestId;
    if (dto.avatarUrls !== undefined) this.avatarUrls = dto.avatarUrls;
    if (dto.errorMessage !== undefined) this.errorMessage = dto.errorMessage;
  }

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

  /** UI-specific: Whether there was an error */
  get hasError(): boolean {
    return !!this.errorMessage;
  }

  /** UI-specific: Get first avatar URL */
  get firstAvatarUrl(): string | undefined {
    return this.avatarUrls?.[0];
  }
}