const Command = require("../../src/structures/Command");
const { MessageEmbed } = require("discord.js");

module.exports = class Help extends Command {
  constructor() {
    super({
      name: "help",
      description:
        "View a list of available commands, or view information on a specific command.",
      aliases: ["h"],
      module: "General",
      cooldown: 0,
      guildOnly: false,
      developerOnly: false
    });
  }

  async command(ctx) {
    if (!ctx.args.length) {
      const commands = [
        [
          "General",
          ctx.client.commands
            .filter(command => command.module == "General")
            .map(command => `**${command.name}** - ${command.description}`)
            .join("\n")
        ]
      ];

      if (ctx.isDeveloper)
        commands.push([
          "Developers",
          ctx.client.commands
            .filter(command => command.module == "Developers")
            .map(command => command.name)
            .join(", ")
        ]);

      return ctx.send({
        embed: {
          fields: commands.map(group => {
            return new Object({
              name: group[0],
              value: group[1]
            });
          }),
          color: 0xff873f
        }
      });
    } else {
      const command = ctx.client.commands.find(
        c =>
          c.name == ctx.args[0].toLowerCase() ||
          (c.aliases && c.aliases.includes(ctx.args[0].toLowerCase()))
      );

      let fields = [
        {
          name: "Module",
          value: command.module,
          inline: true
        },
        {
          name: "Aliases",
          value:
            command.aliases.length == 0
              ? "No aliases"
              : command.aliases.join(", "),
          inline: true
        },
        {
          name: "Cooldown",
          value: command.cooldown == 0 ? "No cooldown" : `${command.cooldown}s`,
          inline: true
        },
        {
          name: "Server only?",
          value: command.guildOnly ? "Yes" : "No",
          inline: true
        },
        {
          name: "Developers only?",
          value: command.developerOnly ? "Yes" : "No",
          inline: true
        }
      ];

      if (!command)
        return ctx.send(
          `That command couldn't be found. See the \`help\` command for valid commands.`
        );

      let embed = new MessageEmbed()
        .setTitle(command.name)
        .setDescription(command.description)
        .setColor(0xff873f);
      fields.forEach(i => {
        embed.addField(i.name, i.value, i.inline);
      });

      return ctx.send(embed);
    }
  }
};