import { spawn } from 'cross-spawn';
import { runWithCpuLimit } from "./pLimit";
import Logger from '../loaders/logger';

export function runCron(cmd: string): Promise<number> {
  return runWithCpuLimit(() => {
    return new Promise(async (resolve: any) => {
      Logger.silly('运行命令: ' + cmd);

      const cp = spawn(cmd, { shell: '/bin/bash' });

      cp.stderr.on('data', (data) => {
        Logger.info(
          '[执行任务失败] %s，时间：%s, 错误信息：%j',
          cmd,
          new Date().toLocaleString(),
          data.toString(),
        );
      });
      cp.on('error', (err) => {
        Logger.error(
          '[创建任务失败] %s，时间：%s, 错误信息：%j',
          cmd,
          new Date().toLocaleString(),
          err,
        );
      });

      cp.on('close', async (code) => {
        Logger.info(
          `[任务退出] ${cmd} 进程id: ${cp.pid} 退出，退出码 ${code}`,
        );
        resolve();
      });
    });
  })
}