// server/InfoServer.js
const fs = require('fs');
const https = require('https');

function createInfoServer(httpsOptions, sharedState, robot, GCode, senders) {
  return https.createServer(httpsOptions, (req, res) => {

    if (req.url === '/') {
      return serveFile(res, './public/index.html', 'text/html');
    }

    if (req.url === '/app.js') {
      return serveFile(res, './public/app.js', 'application/javascript');
    }

    if (req.url === '/style.css') {
      return serveFile(res, './public/style.css', 'text/css');
    }

    if (req.url === '/allApps.css') {
      return serveFile(res, './public/allApps.css', 'text/css');
    }

    /* ---------- API ---------- */
    if (req.url === '/api/status') {
      const status = {
        clients: sharedState.connectedClients,
        senders: senders.map(s => ({
          name: s.name,
          status: s.instance?.tSocket ? 'connected' : 'disconnected'
        })),
        lastCommands: sharedState.lastCommands,
        lastPings: sharedState.lastPings
      };

      res.writeHead(200, {'Content-Type': 'application/json'});
      return res.end(JSON.stringify(status));
    }

    if (req.url === '/api/position') {
      res.writeHead(200, {'Content-Type': 'application/json'});
      return res.end(GCode.getM114(robot));
    }

    res.writeHead(404);
    res.end('Not found');
  });
}

/* ---------- Helper ---------- */

function serveFile(res, path, type) {
  fs.readFile(path, (err, data) => {
    if (err) {
      res.writeHead(404);
      return res.end('Not found');
    }
    res.writeHead(200, {'Content-Type': type});
    res.end(data);
  });
}

module.exports = createInfoServer;