const { SlashCommandBuilder, PermissionsBitField } = require('discord.js');
const api = require('../api');

module.exports = {
  name: 'add-twitchuser',
  description: 'Admin: add a Twitch username to watch for this server',
  enabled: true,
  builder: new SlashCommandBuilder()
    .setName('add-twitchuser')
    .setDescription('Add a Twitch username to watch for live notifications')
    .addStringOption(opt => opt.setName('username').setDescription('Twitch username').setRequired(true)),
  async execute(interaction) {
    if (!interaction.member.permissions.has(PermissionsBitField.Flags.Administrator)) {
      await interaction.reply({ content: 'You must be an administrator to use this command.', flags: 64 });
      return;
    }
    const username = interaction.options.getString('username').toLowerCase().trim();
    try {
      const success = await api.addTwitchUser(interaction.guildId, username);
      if (success) {
        await interaction.reply({ content: `Added ${username} to watch list.`, flags: 64 });
        // Refresh cached settings from backend so watcher sees new user immediately
        try {
          const settings = await api.getServerSettings(interaction.guildId);
          const bot = require('..');
          if (bot && bot.setGuildSettings) bot.setGuildSettings(interaction.guildId, settings);
        } catch (_) {}
      } else {
        await interaction.reply({ content: 'Failed to add user via backend.', flags: 64 });
      }
    } catch (e) {
      console.error('Error adding twitch user:', e);
      await interaction.reply({ content: 'Internal error adding twitch user.', flags: 64 });
    }
  }
};