const { SlashCommandBuilder, PermissionsBitField } = require('discord.js');
const fetch = require('node-fetch');
const api = require('../api');
const { readDb, writeDb } = require('../../backend/db');

module.exports = {
  name: 'setup-live',
  description: 'Admin: configure Twitch live notifications for this server',
  enabled: true,
  builder: new SlashCommandBuilder()
    .setName('setup-live')
    .setDescription('Configure Twitch live notifications for this server')
    .addStringOption(opt => opt.setName('twitch_user').setDescription('Twitch username to watch').setRequired(true))
    .addChannelOption(opt => opt.setName('channel').setDescription('Channel to send notifications').setRequired(true))
    .addBooleanOption(opt => opt.setName('enabled').setDescription('Enable/disable notifications').setRequired(true)),

  async execute(interaction) {
    if (!interaction.member.permissions.has(PermissionsBitField.Flags.Administrator)) {
      await interaction.reply({ content: 'You must be a server administrator to configure live notifications.', flags: 64 });
      return;
    }

    const twitchUser = interaction.options.getString('twitch_user');
    const channel = interaction.options.getChannel('channel');
    const enabled = interaction.options.getBoolean('enabled');

    try {
      const api = require('../api');
      const existing = (await api.getServerSettings(interaction.guildId)) || {};
      existing.liveNotifications = { enabled: !!enabled, twitchUser, channelId: channel.id };
      await api.upsertServerSettings(interaction.guildId, existing);
      await interaction.reply({ content: `Live notifications ${enabled ? 'enabled' : 'disabled'} for ${twitchUser} -> ${channel.name}`, flags: 64 });
    } catch (e) {
      console.error('Error saving live notifications to backend, falling back to local:', e);
      // fallback to local db
      const db = readDb();
      if (!db[interaction.guildId]) db[interaction.guildId] = {};
      db[interaction.guildId].liveNotifications = { enabled, twitchUser, channelId: channel.id };
      writeDb(db);
      await interaction.reply({ content: `Saved locally: Live notifications ${enabled ? 'enabled' : 'disabled'} for ${twitchUser} -> ${channel.name}`, flags: 64 });
    }
  }
};