/** **************************************
 *
 *   Help: Plugin for PokeBot that guides the user on how to use the bot.
 *   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');
  if (!args[0]) {
    const settings = require('../../assets/settings.json');
    const embed = new RichEmbed();
    embed
      .setColor(0x36393e)
      .setTitle('PokeBot Command List')
      .setDescription(`PokeBot prefix is \`${settings.prefix}\`.`)
      .setFooter(`PokeBot v1.0 is on ${bot.guilds.size} servers.`);

    const categories = Array.from(bot.categories.keys());
    categories.forEach(x => {
      let cat = '';
      const commands = bot.categories.get(x);
      commands.forEach(cmd => {
        const command = bot.commands.get(x).get(cmd);
        if (command.checkPermission != null) {
          if (command.checkPermission(bot, msg.member) == true) {
            cat += `**${command.help.name}**\n`;
          }
        } else {
          cat += `**${command.help.name}**\n`;
        }
      });
      if (cat != '') {
        embed.addField(x, cat, true);
      }
    });
    msg.channel.send({embed});
  } else {
    const embed = new RichEmbed();
    embed
      .setColor(0x00ae86)
      .setDescription('Notice: When using a command do not include "<" and ">".\n(Example: p:suggest Test)')
      .setFooter('PokeBot v1.0');

    const categories = Array.from(bot.categories.keys());
    categories.forEach(x => {
      const commands = bot.categories.get(x);
      commands.forEach(cmd => {
        const command = bot.commands.get(x).get(cmd);
        if (command.help.name == args[1]) {
          const usage = command.help.usage ? `*${command.help.usage}* ` : '*none*';
          embed.addField('Name', command.help.name, true);
          embed.addField('Description', command.help.description, true);
          embed.addField('Usage', usage, true);
          embed.addField('Aliases', command.conf.aliases, true);
          msg.channel.send({embed});
        }
      });
    });
  }
};

exports.conf = {
  aliases: [],
  guildOnly: true
};

exports.help = {
  name: 'help',
  description: 'Displays this help message.'
};