const scenarios = require('../scenario/scenario.js');
const _ = require('underscore');

const helptext = `The \`!alias\` command can be used to find alternative commands that cannot be found with \`!help\``;

function alias(context) {
  return new Promise((resolve, reject) => {
    if(context.isHelpRequest) {
      context.message.reply(helptext)
        .then(() => {
          console.info(`[${context.id}] ? alias`);
          resolve();
        }).catch(err => reject(err));
    } else {
      let text = 'Listing aliases\n```';
      _.each(_.keys(context.alias), key => text += `\n${key}`);
      text += '\n```'
      context.message.reply(text)
        .then(() => {
          console.info(`[${context.id}] List alias -> [${context.message.author.id}]`)
          resolve();
        }).catch(err => reject(err));
    }
  });
}

module.exports = commands => {
  commands.alias = alias;
};