import { accountService } from '../core/AccountService';

export class StaleLockCleanup {
  private intervalId: NodeJS.Timeout | null = null;
  private isRunning = false;

  start(intervalMinutes: number = 1): void {
    if (this.isRunning) {
      console.log('Stale lock cleanup job is already running');
      return;
    }

    this.isRunning = true;
    const intervalMs = intervalMinutes * 60 * 1000;

    console.log(`Starting stale lock cleanup job with ${intervalMinutes} minute(s) interval`);

    this.intervalId = setInterval(async () => {
      try {
        const cleanedCount = await accountService.cleanupStaleLocks();
        if (cleanedCount > 0) {
          console.log(`Stale lock cleanup: Released ${cleanedCount} locked accounts`);
        }
      } catch (error) {
        console.error('Error during stale lock cleanup:', error);
      }
    }, intervalMs);

    this.runOnce();
  }

  stop(): void {
    if (this.intervalId) {
      clearInterval(this.intervalId);
      this.intervalId = null;
    }
    this.isRunning = false;
    console.log('Stale lock cleanup job stopped');
  }

  async runOnce(): Promise<number> {
    try {
      const cleanedCount = await accountService.cleanupStaleLocks();
      if (cleanedCount > 0) {
        console.log(`Manual stale lock cleanup: Released ${cleanedCount} locked accounts`);
      }
      return cleanedCount;
    } catch (error) {
      console.error('Error during manual stale lock cleanup:', error);
      throw error;
    }
  }

  isJobRunning(): boolean {
    return this.isRunning;
  }
}

export const staleLockCleanup = new StaleLockCleanup();