/**
 * Guild-specific settings (e.g. email ticket routing).
 */
const { mongoose } = require('../db-connection');
const { CONFIG } = require('../config');

const GuildSettings = mongoose.model('GuildSettings');

/**
 * Get email ticket routing for a guild. Returns 'thread' or 'category'.
 * If not set, defaults from CONFIG: thread if EMAIL_THREAD_CHANNEL_ID is set, else category.
 * @param {string} guildId
 * @returns {Promise<'thread'|'category'>}
 */
async function getEmailRouting(guildId) {
  const doc = await GuildSettings.findOne({ guildId }).select('emailRouting').lean();
  if (doc && doc.emailRouting) return doc.emailRouting;
  return CONFIG.EMAIL_THREAD_CHANNEL_ID ? 'thread' : 'category';
}

/**
 * Set email ticket routing for a guild.
 * @param {string} guildId
 * @param {'thread'|'category'} value
 */
async function setEmailRouting(guildId, value) {
  await GuildSettings.findOneAndUpdate(
    { guildId },
    { $set: { emailRouting: value, updatedAt: new Date() } },
    { upsert: true, new: true }
  );
}

module.exports = { getEmailRouting, setEmailRouting };