import { Global, Module, OnModuleInit } from '@nestjs/common';

import { CommonModule } from '../common/common.module';
import { SchedulerModule } from '../scheduler/scheduler.module';
import { SchedulerService } from '../scheduler/scheduler.service';
import { SettingsModule } from '../settings/settings.module';

import { AuditRetentionService } from './audit-retention.service';
import { AuditService } from './audit.service';

/** Daily, per operations.md's maintenance-jobs table (issue #196). */
const AUDIT_RETENTION_CADENCE_SECONDS = 24 * 60 * 60;

/**
 * Global because the audit trail cuts across nearly every feature module
 * (auth, grants, members, admin, plugins, setup) — like PrismaModule, one
 * import list entry per consumer would only add noise.
 */
@Global()
@Module({
  imports: [CommonModule, SchedulerModule, SettingsModule],
  providers: [AuditService, AuditRetentionService],
  exports: [AuditService],
})
export class AuditModule implements OnModuleInit {
  constructor(
    private readonly scheduler: SchedulerService,
    private readonly retention: AuditRetentionService,
  ) {}

  onModuleInit(): void {
    this.scheduler.register({
      name: 'audit-retention',
      cadenceSeconds: AUDIT_RETENTION_CADENCE_SECONDS,
      run: async () => {
        await this.retention.pruneExpired();
      },
    });
  }
}