import { AsyncQueue, createAsyncQueue } from 'common/AsyncQueue'
import { singleton } from 'decorators/singleton'
import { BlockChain } from 'chain/BlockChain'
import logger from 'logger/logger'
import { TaskSvr } from 'service/task.service'

@singleton
export class TaskQueue {
  private queue: AsyncQueue
  private blockChain: BlockChain

  constructor() {
    this.queue = createAsyncQueue()
    this.blockChain = new BlockChain()
  }

  public async addTaskToQueue(spNo: string) {
    this.queue.push(async () => {
      try {
        await new TaskSvr().parseOneTask(spNo)
      } catch (err) {
        logger.error('error add task: ' + err)
      }
    })
  }
}