const router = require('express').Router();
const express = require('express');
const path = require('path');
const fs = require('fs');
const configManager = require('../../config/configManager.js');

const kioskPath = path.join(__dirname, '../../tools/kiosk');
const htmlFile = path.join(kioskPath, 'kiosk.html');

router.use('/', express.static(kioskPath));

router.get('/', (req, res) => {
    const apiUrl = process.env.API_URL || 'https://api.mebboat.it';
    const realtimeUrl = process.env.REALTIME_URL || 'https://realtime.mebboat.it';
    const realtimeWsUrl = process.env.REALTIME_SOCKET_URL || 'wss://realtime.mebboat.it';
    const sensorCode = configManager.getSensorCode();
    const sensorName = configManager.getSensorName();

    const esc = (s) => String(s || '').replace(/"/g, '"');
    const metas = `
  <meta name="api-url" content="${esc(apiUrl)}">
  <meta name="realtime-url" content="${esc(realtimeUrl)}">
  <meta name="realtime-ws-url" content="${esc(realtimeWsUrl)}">
  <meta name="sensor-code" content="${esc(sensorCode)}">
  <meta name="sensor-name" content="${esc(sensorName)}">
`;
    let html;
    try { html = fs.readFileSync(htmlFile, 'utf8'); }
    catch (e) { return res.status(500).send('kiosk.html not found'); }
    html = html.replace('</head>', metas + '</head>');
    res.set('Content-Type', 'text/html').send(html);
});

module.exports = router;