import { Injectable } from '@nestjs/common';
import type { DailyEvaluationStep } from '../jobs/daily-evaluation-steps';
import type { JobResult } from '../jobs/job';
import { SuggestionsService } from '../suggestions/suggestions.service';

/**
 * Step "suggestions-expiry": OPEN suggestions past their expiry day become
 * EXPIRED (one statement, which also frees their dedupe key). Running it
 * twice for one day changes nothing the second time.
 */
@Injectable()
export class SuggestionsExpiryStep implements DailyEvaluationStep {
  readonly name = 'suggestions-expiry';

  constructor(private readonly suggestions: SuggestionsService) {}

  async run(today: string): Promise<JobResult> {
    return { suggestionsExpired: await this.suggestions.expireDue(today) };
  }
}