server.js

const express = require('express');
const fetch = require('node-fetch');
const app = express();

app.use(express.json());

app.use((req, res, next) => {
  res.header("Access-Control-Allow-Origin", "*");
  res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
  next();
});

const YOUR_API_KEY = "2Thu70XL4YNc3gMmiPjr";

app.post('/generate', async (req, res) => {
  try {
    const body = {
      apikey: YOUR_API_KEY,
      data: req.body.url,
      qrtype: 'static',
      title: req.body.title,
      transparent: req.body.transparent,
      backcolor: req.body.backcolor,
      frontcolor: req.body.frontcolor,
      marker_out_color: req.body.marker_out_color,
      marker_in_color: req.body.marker_in_color,
      pattern: req.body.pattern,
      marker: req.body.marker,
      marker_in: req.body.marker_in
    };

    const qrRes = await fetch('https://api.qr.io/v1/create', {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify(body)
    });

    const qrData = await qrRes.json();
    res.json(qrData);
  } catch (err) {
    console.error("Error generating QR code:", err);
    res.status(500).send("QR generation failed.");
  }
});

app.post('/fetch-svg', async (req, res) => {
  try {
    const svgRes = await fetch(req.body.url);
    const svgText = await svgRes.text();
    res.send(svgText);
  } catch (err) {
    console.error("Error fetching SVG:", err);
    res.status(500).send("Failed to fetch SVG.");
  }
});

const PORT = process.env.PORT || 3000;
app.listen(PORT, () => console.log(`Server running on port ${PORT}`));