import { CallHandler, ExecutionContext, Injectable, Logger, NestInterceptor } from '@nestjs/common';
import { Observable } from 'rxjs';
import { tap } from 'rxjs/operators';
import { FeatureAnalyticsService } from 'modules/feaature-analytics/analytics.service';

@Injectable()
export class AnalyticsInterceptor implements NestInterceptor {
  private readonly logger = new Logger(AnalyticsInterceptor.name);
  constructor(private readonly analyticsService: FeatureAnalyticsService) {}

  intercept(context: ExecutionContext, next: CallHandler): Observable<any> {
    const request = context.switchToHttp().getRequest();
    const analyticsData = request['analyticsData'];

    return next.handle().pipe(
      tap(async () => {
        if (analyticsData) {
          // Store analytics data in the database asynchronously
          await this.analyticsService.createAnalytics(analyticsData);
        }
      }),
    );
  }
}