/** **************************************
 *
 *   Eval / Exec: Plugin for PokeBot that provides diagnostic information.
 *   Copyright (C) 2018 TheEdge, jtsshieh, Alee
 *
 *   Licensed under the Open Software License version 3.0
 *
 * *************************************/

exports.run = (bot, msg, args) => {
  const {RichEmbed} = require('discord.js');
  const code = args.join(' ');

  let evaled;
  let remove;

  try {
    remove = text => {
      if (typeof(text) === 'string') {
        return text.replace(/`/g, `\`${String.fromCharCode(8203)}`).replace(/@/g, `@${ String.fromCharCode(8203)}`);
      } else {
        return text;
      }
    };

    evaled = eval(code);

    if (typeof evaled !== 'string') {
      evaled = require('util').inspect(evaled);
    }

  } catch (err) {
    const embed = new RichEmbed()
      .setAuthor('Eval Error')
      .setDescription('Eval\'s result')
      .addField(':inbox_tray: Input:', `\`\`\`js\n${code}\n\`\`\``)
      .addField(':outbox_tray: Output:', `\`\`\`${err}\`\`\``)
      .setFooter('Eval', bot.user.avatarURL)
      .setColor('RED');
    return msg.channel.send({embed});
  }

  try {
    const embed = new RichEmbed()
      .setAuthor('Eval Success')
      .setDescription('Eval\'s result')
      .addField(':inbox_tray: Input:', `\`\`\`js\n${code}\n\`\`\``)
      .addField(':outbox_tray: Output:', `\`\`\`js\n${remove(evaled)}\n\`\`\``)
      .setFooter('Eval', bot.user.avatarURL)
      .setColor('GREEN');

    return msg.channel.send({embed});
  } catch (err) {
    const embed = new RichEmbed()
      .setAuthor('Eval Error')
      .setDescription('Eval\'s result')
      .addField(':inbox_tray: Input:', `\`\`\`js\n${code}\n\`\`\``)
      .addField(':outbox_tray: Output:', `\`\`\`${err}\`\`\``)
      .setFooter('Eval', bot.user.avatarURL)
      .setColor('RED');
    return msg.channel.send({embed});
  }
};

exports.checkPermission = (bot, member) => {
  if (!['242775871059001344', '247221105515823104', '236279900728721409'].includes(member.id)) {
    return false;
  }
  return true;
};

exports.conf = {
  aliases: ['exec'],
  guildOnly: false
};

exports.help = {
  name: 'eval',
  description: 'Evaluates Javascript Code',
  usage: '<code>'
};