import { Injectable, Logger, OnModuleDestroy, OnModuleInit } from '@nestjs/common';
import { SendChainService } from './send-chain.service';

@Injectable()
export class DrainageReceiptRecoveryService implements OnModuleInit, OnModuleDestroy {
  private timer?: ReturnType<typeof setInterval>;
  private running = false;
  private readonly logger = new Logger(DrainageReceiptRecoveryService.name);
  constructor(private readonly sendChain: SendChainService) {}
  onModuleInit() {
    if (['api', 'callback', 'outbox'].includes(process.env.CMPP_PROCESS_ROLE ?? 'all')) return;
    this.timer = setInterval(() => void this.scan(), 10000);
    this.timer.unref?.();
  }
  async scan() {
    if (this.running) return;
    this.running = true;
    try {
      await this.sendChain.recoverDrainageFailureReceipts();
    } catch (error) {
      this.logger.error(`选路拦截回执恢复失败: ${String(error)}`);
    } finally {
      this.running = false;
    }
  }
  onModuleDestroy() {
    if (this.timer) clearInterval(this.timer);
  }
}