// bot.js - Discord bot for moderation and utilities
// Copyright (C) 2025  Luis Bauza
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

require('dotenv').config();
const fs = require('node:fs');
const path = require('node:path');
const { Client, Collection, Events, GatewayIntentBits } = require('discord.js');
const Logger = require('./logger');

const logger = new Logger('bot');

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

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

await Promise.all(
  commandFiles.map(async file => {
    const filePath = path.join(commandsPath, file);
    const command = await import(filePath);
    if ('data' in command && 'execute' in command) {
      client.commands.set(command.data.name, command);
    } else {
      logger.warn(
        `[WARNING] The command at ${filePath} is missing a required "data" or "execute" property.`,
      );
    }
  }),
);

client.once(Events.ClientReady, () => {
  logger.log(`Ready! Logged in as ${client.user.tag}`);
});

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

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

  if (!command) {
    logger.error(`No command matching ${interaction.commandName} was found.`);
    return;
  }

  try {
    await command.execute(interaction);
  } catch (error) {
    logger.error(error);
    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.DISCORD_TOKEN);