import { Injectable, Inject } from '@nestjs/common';
import { RecordEngagementInput, RecordEngagementOutput, RecordPageViewInput, RecordPageViewOutput } from './dto/AnalyticsDto';
import { Logger } from '@core/shared/logging/Logger';
import { RecordPageViewUseCase } from './use-cases/RecordPageViewUseCase';
import { RecordEngagementUseCase } from './use-cases/RecordEngagementUseCase';

const Logger_TOKEN = 'Logger_TOKEN';
const RECORD_PAGE_VIEW_USE_CASE_TOKEN = 'RecordPageViewUseCase_TOKEN';
const RECORD_ENGAGEMENT_USE_CASE_TOKEN = 'RecordEngagementUseCase_TOKEN';

@Injectable()
export class AnalyticsService {
  constructor(
    @Inject(RECORD_PAGE_VIEW_USE_CASE_TOKEN) private readonly recordPageViewUseCase: RecordPageViewUseCase,
    @Inject(RECORD_ENGAGEMENT_USE_CASE_TOKEN) private readonly recordEngagementUseCase: RecordEngagementUseCase,
    @Inject(Logger_TOKEN) private readonly logger: Logger,
  ) {}

  async recordPageView(input: RecordPageViewInput): Promise<RecordPageViewOutput> {
    return await this.recordPageViewUseCase.execute(input);
  }

  async recordEngagement(input: RecordEngagementInput): Promise<RecordEngagementOutput> {
    return await this.recordEngagementUseCase.execute(input);
  }
}