const fs = require('fs')

const command = require('./command.js')

class commandAddException extends command {
  constructor() {
    super('off', [
      ['string'],
      []
    ])
  }

  execute(sender, parameter) {
    let target = null

    let i = 0
    for (const compare of this.parameter) {
      const receive = parameter.map(e => {
        return typeof e
      })
      
      if (compare.sort().toString() === receive.sort().toString()) {
        switch(i) {
          case 0:
            target = parameter[0]
            break
          case 1:
            target = sender
            break
        }
      }

      i++
    }
    
    return new Promise((resolve, reject) => {
      fs.readFile('./exception.txt', (err, data) => {
        if (err) {
          reject(err)
        }

        const line = (data + '').split('\r\n')
        for (const l of line) {
          if (l == target) {
            reject(target)

            return
          }
        }

        fs.writeFile('./exception.txt', data + target + '\r\n', err => {
          if (err)
            reject(err)

          resolve(target)
        })
      })
    })
  }
}

module.exports = commandAddException