import pool from '../db/index.js';
import { run } from '../db/index.js';

function parseSettingValue(raw) {
  if (typeof raw !== 'string') return raw;
  if (/^-?\d+(\.\d+)?$/.test(raw)) return Number(raw);
  if (raw === 'true') return true;
  if (raw === 'false') return false;
  return raw;
}

export async function getSettings(req, res) {
  try {
    const { rows } = await pool.query('SELECT key, value FROM settings');
    const obj = {};
    for (const r of rows) {
      obj[r.key] = parseSettingValue(r.value);
    }
    res.json(obj);
  } catch (err) {
    res.status(500).json({ error: err.message });
  }
}

export async function updateSettings(req, res) {
  try {
    const updates = req.body || {};
    for (const [key, value] of Object.entries(updates)) {
      await run(
        'INSERT INTO settings (key, value) VALUES ($1, $2) ON CONFLICT(key) DO UPDATE SET value = excluded.value',
        [key, String(value)]
      );
    }
    // Return updated settings
    const { rows } = await pool.query('SELECT key, value FROM settings');
    const obj = {};
    for (const r of rows) {
      obj[r.key] = parseSettingValue(r.value);
    }
    res.json(obj);
  } catch (err) {
    res.status(500).json({ error: err.message });
  }
}