import { AnalyticsApiClient } from '../../api/analytics/AnalyticsApiClient';
import { RecordPageViewOutputViewModel } from '../../view-models/RecordPageViewOutputViewModel';
import { RecordEngagementOutputViewModel } from '../../view-models/RecordEngagementOutputViewModel';

// TODO: Create proper DTOs in generated types
interface RecordPageViewInputDTO {
  path: string;
  userId?: string;
}

interface RecordEngagementInputDTO {
  eventType: string;
  userId?: string;
  metadata?: Record<string, unknown>;
}

/**
 * Analytics Service
 *
 * Orchestrates analytics operations by coordinating API calls.
 * All dependencies are injected via constructor.
 */
export class AnalyticsService {
  constructor(
    private readonly apiClient: AnalyticsApiClient
  ) {}

  /**
    * Record a page view
    */
   async recordPageView(input: RecordPageViewInputDTO): Promise<RecordPageViewOutputViewModel> {
     const result = await this.apiClient.recordPageView(input);
     return new RecordPageViewOutputViewModel(result);
   }

  /**
    * Record an engagement event
    */
   async recordEngagement(input: RecordEngagementInputDTO): Promise<RecordEngagementOutputViewModel> {
     const result = await this.apiClient.recordEngagement(input);
     return new RecordEngagementOutputViewModel(result);
   }
}