const { SlashCommandBuilder } = require('discord.js');
const { readDb, writeDb } = require('../../backend/db.js');

module.exports = {
  name: 'config-leave',
  description: 'Configure the leave message for this server.',
  enabled: true,
  builder: new SlashCommandBuilder()
    .setName('config-leave')
    .setDescription('Configure the leave message for this server.')
    .addSubcommand(subcommand =>
      subcommand
        .setName('set-channel')
        .setDescription('Set the channel for leave messages.')
        .addChannelOption(option =>
          option.setName('channel')
            .setDescription('The channel to send leave messages to.')
            .setRequired(true)
        )
    )
    .addSubcommand(subcommand =>
      subcommand
        .setName('set-message')
        .setDescription('Set the leave message.')
        .addStringOption(option =>
          option.setName('message')
            .setDescription('The leave message. Use {user} for username and {server} for server name.')
            .setRequired(true)
        )
    )
    .addSubcommand(subcommand =>
      subcommand
        .setName('disable')
        .setDescription('Disable leave messages.')
    ),
  async execute(interaction) {
    const db = readDb();
    const guildId = interaction.guildId;
    const subcommand = interaction.options.getSubcommand();

    if (!db[guildId]) {
      db[guildId] = {};
    }

    if (subcommand === 'set-channel') {
      const channel = interaction.options.getChannel('channel');
      db[guildId].leaveChannel = channel.id;
      db[guildId].leaveEnabled = true;
      writeDb(db);
      await interaction.reply(`Leave channel set to ${channel}.`);
    } else if (subcommand === 'set-message') {
      const message = interaction.options.getString('message');
      db[guildId].leaveMessage = message;
      db[guildId].leaveEnabled = true;
      writeDb(db);
      await interaction.reply(`Leave message set to: "${message}"`);
    } else if (subcommand === 'disable') {
      db[guildId].leaveEnabled = false;
      writeDb(db);
      await interaction.reply('Leave messages disabled.');
    }
  },
};