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

import { CommonModule } from '../common/common.module';
import { PondsModule } from '../ponds/ponds.module';
import { QuotasModule } from '../quotas/quotas.module';
import { SchedulerModule } from '../scheduler/scheduler.module';
import { SchedulerService } from '../scheduler/scheduler.service';

import { FileStorageService } from './file-storage.service';
import { FilesController } from './files.controller';
import { FilesService } from './files.service';
import { OrphanSweepService } from './orphan-sweep.service';

/** Nightly, per operations.md's maintenance-jobs table (issue #194). */
const ORPHAN_SWEEP_CADENCE_SECONDS = 24 * 60 * 60;

@Module({
  imports: [CommonModule, PondsModule, QuotasModule, SchedulerModule],
  controllers: [FilesController],
  providers: [FilesService, FileStorageService, OrphanSweepService],
  exports: [FileStorageService, FilesService],
})
export class FilesModule implements OnModuleInit {
  constructor(
    private readonly scheduler: SchedulerService,
    private readonly sweep: OrphanSweepService,
  ) {}

  onModuleInit(): void {
    this.scheduler.register({
      name: 'orphan-file-sweep',
      cadenceSeconds: ORPHAN_SWEEP_CADENCE_SECONDS,
      run: async () => {
        await this.sweep.sweep();
      },
    });
  }
}