text: const fs = require('fs')
  const path = require('path')
  const locale_message = require('../../config').locale_message
  const debug = require('debug')
  
  module.exports = (controller) => {
    controller.hears('help', ['direct_mention', 'direct_message'], (bot, message) => {
      bot.reply(message, locale_message.help);
      const exp_file = "okimochi_explanation.png";
      bot.api.files.upload({
        file: fs.createReadStream(path.join(__dirname, '..', '..', "static", "images", exp_file)),
        filename: exp_file,
        title: exp_file,
        channels: message.channel
      }, (err, res) => {
        if (err) bot.reply(err)
        debug("result is ", res);
      })
    })
  }
  