95 lines
2.6 KiB
JavaScript
95 lines
2.6 KiB
JavaScript
const express = require('express');
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const http = require('http');
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const ws = require('ws');
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const path = require('path');
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const fs = require('fs');
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// --- Server Setup ---
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const app = express();
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const server = http.createServer(app);
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const wss = new ws.Server({ server });
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// Statisches Hosting von /public
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app.use(express.static(path.join(__dirname, 'public')));
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// --- Spirits laden ---
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const SPIRITS_PATH = path.join(__dirname, '.', 'spirits', 'spirit_list.json');
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let spirits = [];
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try {
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spirits = JSON.parse(fs.readFileSync(SPIRITS_PATH, 'utf8'));
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if (!Array.isArray(spirits) || spirits.length === 0) throw 'Spirit-Liste leer oder ungültig!';
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} catch (e) {
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console.error('Fehler beim Laden der Spirits:', e);
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process.exit(1);
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}
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// --- WebSocket Logik mit Timer-Steuerung ---
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let spiritTimer = null;
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let currentSpiritIndex = Math.floor(Math.random() * spirits.length);
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function pushSpiritToAllClients() {
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const spirit = spirits[currentSpiritIndex];
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const payload = JSON.stringify({ type: 'spirit', data: spirit });
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wss.clients.forEach(client => {
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if (client.readyState === ws.OPEN) {
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client.send(payload);
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}
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});
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console.log(`Spirit "${spirit.Name}" wurde an alle Clients gepusht.`);
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}
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// Timer starten, falls noch nicht läuft
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function startSpiritTimer() {
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if (!spiritTimer) {
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spiritTimer = setInterval(() => {
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currentSpiritIndex = Math.floor(Math.random() * spirits.length);
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pushSpiritToAllClients();
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}, 20000);
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console.log('Spirit-Timer gestartet');
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}
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}
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// Timer stoppen
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function stopSpiritTimer() {
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if (spiritTimer) {
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clearInterval(spiritTimer);
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spiritTimer = null;
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console.log('Spirit-Timer gestoppt');
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}
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}
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// Helper: Gibt es noch offene Clients?
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function hasOpenClients() {
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let found = false;
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wss.clients.forEach(client => {
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if (client.readyState === ws.OPEN) found = true;
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});
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return found;
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}
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// --- WebSocket Logik ---
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wss.on('connection', (socket) => {
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console.log('Neuer Client verbunden');
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// Starte Timer falls das der erste Client ist
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if (wss.clients.size === 1) {
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startSpiritTimer();
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// Sende sofort einen Spirit an den neuen Client
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socket.send(JSON.stringify({ type: 'spirit', data: spirits[currentSpiritIndex] }));
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}
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// Verbindung verloren: Timer ggf. stoppen
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socket.on('close', () => {
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setTimeout(() => {
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if (!hasOpenClients()) {
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stopSpiritTimer();
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}
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}, 100); // etwas warten, falls kurzzeitig mehrere Clients disconnecten/reconnecten
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});
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});
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// --- Server Start ---
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const PORT = process.env.PORT || 3000;
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server.listen(PORT, () => {
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console.log(`Server läuft auf http://localhost:${PORT}`);
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}); |