index.js

const config = require("config");
const Redis = require("ioredis");
const redis = new Redis(config.get("redis"));

if (!config.get("server")) {
  console.error("Please configure a server");
  process.exit(-1);
}

// Discord.js
const { Client, Intents } = require("discord.js");
const client = new Client({
  intents: [
    Intents.FLAGS.GUILDS,
    Intents.FLAGS.GUILD_MESSAGES,
    Intents.FLAGS.GUILD_VOICE_STATES,
  ],
});

// Background jobs
const deployed = require("./jobs/deployed");
const fund = require("./jobs/fund");
const plurRadio = require("./jobs/plur-radio");

// Requires bot and applications.commands
const commands = {
  faucet: require("./commands/faucet"),
  cleaner: require("./commands/cleaner"),
};

// Requires Manage Messages
const messages = [
  require("./messages/cleaner"),
  require("./messages/foreign-languages"),
];

// Jobs
const jobs = {};

// Functions
async function startJobs() {
  jobs.deployed = await deployed.create(redis);
  jobs.deployed.start();

  jobs.fund = await fund.create({ redis, discord: client });
  jobs.fund.start();

  jobs.plurRadio = await plurRadio.create({ discord: client });
  jobs.plurRadio.start();
}

client.on("ready", async () => {
  console.log(`Logged in as ${client.user.tag}`);

  const app = client.guilds.cache.get(config.get("server"));

  // Delete old commands
  const oldCommands = await app.commands.fetch();
  await Promise.all(
    [...oldCommands.keys()].map((id) => app.commands.delete(id))
  );

  // Add new commands
  await Object.values(commands).map((command) =>
    app.commands.create(command.CONFIG)
  );

  console.log(`Commands set up`);

  await startJobs();

  console.log("Jobs started");
});

client.on("interaction", (interaction) => {
  if (
    !interaction.isCommand() ||
    interaction.guildID !== config.get("server")
  ) {
    return;
  }

  const command = commands[interaction.commandName];
  if (!command) {
    return;
  }

  command.execute(interaction, { redis });
});

client.on("message", (message) => {
  for (const { execute } of messages) {
    execute(message, { redis });
  }
});

// Log into the bot
client.login(config.get("bot.token"));

// Graceful shutdown
const events = ["SIGINT", "SIGTERM", "SIGQUIT"];
const gracefulShutdown = async () => {
  console.log("Stopping jobs...");
  for (const job of Object.values(jobs)) {
    if (job.stop) {
      await job.stop();
    }
  }

  console.log("Closing redis and Discord...");
  client.destroy();
  redis.disconnect();
};

events.map((event) => process.on(event, gracefulShutdown));