import { t } from '../shared/i18n';
import { ServerUnaryCall, sendUnaryData } from '@grpc/grpc-js';
import { DeleteCronRequest, DeleteCronResponse } from '../protos/cron';
import { scheduleStacks } from './data';
import Logger from '../loaders/logger';

const delCron = (
  call: ServerUnaryCall<DeleteCronRequest, DeleteCronResponse>,
  callback: sendUnaryData<DeleteCronResponse>,
) => {
  for (const id of call.request.ids) {
    if (scheduleStacks.has(id)) {
      Logger.info(t('[schedule][取消定时任务] 任务ID: %s'), id);
      // 防御性过滤历史调度栈中的空任务，
      // 否则对 null 调 cancel() 会让整个取消流程抛出 UNKNOWN 错误，
      // 进而导致 HTTP 端的 remove() 跳过 setCrontab()，造成 crontab.list 残留。
      scheduleStacks
        .get(id)
        ?.filter((x) => x != null)
        .forEach((x) => {
          try {
            x.cancel();
          } catch (error: any) {
            Logger.warn(
              t('[schedule][取消任务失败] 任务ID: %s, 错误: %s'),
              id,
              error?.message || error,
            );
          }
        });
      scheduleStacks.delete(id);
    }
  }

  callback(null, null);
};

export { delCron };