base.js

const Math = require('mathjs');
const {
  Client,
  GatewayIntentBits,
  Collection,
  Interaction,
  SlashCommandBuilder,
} = require('discord.js');
class SlashCommand extends SlashCommandBuilder {
  constructor() {
    super();
    this.execute = null;
    this.per = null;
  }

  setCooldown(per) {
    this.per = per;
    client.cooldowns.set(this.name, new Array());
    return this;
  }

  /**
   *
   * @param {(interaction: Interaction)} coro
   */
  callback(coro) {
    this.execute = coro;
    client.slashcommands.set(this.name, this);
  }
}

/**
 *
 * @param {number} min
 * @param {number | null} max
 * @returns
 */
function randint(min, max = null) {
  if (max === null) return Math.floor(Math.random() * min);

  return Math.floor(Math.random() * (max - min + 1) + min);
}

/**
 *
 * @param {Array} array
 * @returns
 */
function shuffle(array) {
  return array.sort(() => Math.random() - 0.5);
}

/**
 *
 * @param {number} milliseconds
 * @returns
 */
function time_convertor(milliseconds) {
  const secs_ = Math.floor(milliseconds / 1000);
  let secs = secs_;

  const days = Math.floor(secs / (24 * 3600));
  secs %= 3600 * 24;

  const hours = Math.floor(secs / 3600);
  secs %= 3600;

  const minutes = Math.floor(secs / 60);
  secs %= 60;

  const seconds = secs;
  if (secs_ <= 3600) return `${minutes}:${seconds}`;
  if (secs_ < 24 * 3600) return `${hours}:${minutes}:${seconds}`;
  return `${days} day(s)`;
}

async function getImage(givenMessage, subredditName) {
  sub = subreddits[Math.round(Math.random() * (subreddits.length - 1))];
  let subr = await trev.getCustomSubreddit(sub);
  if (!subr || !subr.media) {
    subr = await trev.getCustomSubreddit(sub);
  }
  const image = subr.media;
  // console.log(image);
  if (
    image.toString().includes('.png') ||
    image.toString().includes('.jpg') ||
    image.toString().includes('.jpeg') ||
    image.toString().includes('.gif')
  ) {
    const imageEmbed = new EmbedBuilder()
      .setColor(Math.floor(Math.random() * 16777215).toString(16))
      .setTitle(`Random Image from r/${sub}`)
      .setURL(image)
      .setImage(image);
    givenMessage.reply({ embeds: [imageEmbed] });
  } else {
    getImage(givenMessage, sub).catch((e) => getImage(givenMessage, sub));
  }
  // givenMessage.delete({timeout: delay}).catch(console.error);
}

// another idea, we can have a function calculate uptime of the bot and return a string
// we have multiple commands that can utilize this

module.exports = {
  SlashCommand,
  randint,
  shuffle,
  time_convertor,
  getImage,
};