/**
 * Activity Item View Model
 *
 * View model for recent activity items.
 *
 * Accepts ActivityItemViewData as input and produces UI-ready data.
 */
import { ActivityItemViewData } from "../view-data/ActivityItemViewData";
import { ViewModel } from "../contracts/view-models/ViewModel";

export class ActivityItemViewModel extends ViewModel {
  private readonly data: ActivityItemViewData;

  constructor(data: ActivityItemViewData) {
    super();
    this.data = data;
  }

  get id(): string { return this.data.id; }
  get type(): string { return this.data.type; }
  get message(): string { return this.data.message; }
  get time(): string { return this.data.time; }
  get impressions(): number | undefined { return this.data.impressions; }

  get typeColor(): string {
    const colors: Record<string, string> = {
      race: 'bg-warning-amber',
      league: 'bg-primary-blue',
      team: 'bg-purple-400',
      driver: 'bg-performance-green',
      platform: 'bg-racing-red',
    };
    return colors[this.type] || 'bg-gray-500';
  }

  get formattedImpressions(): string | null {
    // Client-only formatting
    return this.impressions ? this.impressions.toLocaleString() : null;
  }
}