const LoggerKit = require('../kit/logger-kit')
const log4js = require('log4js')

class Task {
  context
  delayTime
  name
  logger
  fileLogger

  constructor(taskName, delayTime, initFun, onTickFun) {
    this.name = taskName
    this.delayTime = delayTime

    this.init = initFun
    this.onTick = onTickFun

    this.consoleLoggerInit()
    this.fileLoggerInit(this.name.concat('Task.log'))
  }

  consoleLoggerInit() {
    this.logger = LoggerKit.getLogger(this.name)
  }

  fileLoggerInit(logFilePath) {
    const logFileCategoryName = this.name.concat('FileLog')
    const appender = { type: 'file', filename: logFilePath }
    const category = { appenders: [logFileCategoryName], level: log4js.levels.TRACE }

    LoggerKit.pushAppender(logFileCategoryName, appender)

    this.fileLogger = LoggerKit.pushCategory(logFileCategoryName, category)

    this.fileLogger.info('File logger has init.')
  }

  async Start() {
    const task = this

    this.logger.info(`Init context or others.`)
    await this.init()

    this.logger.info(`Dida dida dida, on tick, on tick...`)
    this.interval = setInterval(async () => {
      try {
        await task.onTick()
      } catch (e) {
        task.logger.error(e)
      }
    }, this.delayTime)
  }

  async Stop() {
    clearInterval(this.interval)
  }
}

module.exports = Task