index.js

require("dotenv").config();
const discord = require("discord.js");
const mongoose = require("mongoose");
const fs = require("node:fs");
const path = require("node:path");

const client = new discord.Client({
    intents: [
        discord.GatewayIntentBits.Guilds,
        discord.GatewayIntentBits.GuildMessages,
        discord.GatewayIntentBits.MessageContent
    ],
});

mongoose.connect(process.env.MONGODB_URI)
    .then(() => console.log('Connected to MongoDB!'))
    .catch((err) => console.error('Failed to connect to MongoDB:', err));

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

client.commands = new discord.Collection();

const commandsPath = path.join(__dirname, "commands");
const commandFiles = fs
  .readdirSync(commandsPath)
  .filter((file) => file.endsWith(".js"));

for (const file of commandFiles) {
  const filePath = path.join(commandsPath, file);
  const command = require(filePath);

  if ('data' in command && 'execute' in command) {
    client.commands.set(command.data.name, command);
  } else {
    console.log(`[WARNING] The command at ${file} is missing a required "data" or "execute" property. Skipping...`);
  }
}

client.on("interactionCreate", async (interaction) => {
  if (!interaction.isChatInputCommand()) return;

  const command = client.commands.get(interaction.commandName);

  if (!command) return;

  try {
    await command.execute(client, interaction);
  } catch (err) {
    console.error(err);

    if (interaction.replied || interaction.deferred) {
        await interaction.followUp({ content: 'There was an error while executing this command!', ephemeral: true });
    } else {
        await interaction.reply({ content: 'There was an error while executing this command!', ephemeral: true });
    }
  }
});

client.login(process.env.BOT_TOKEN);