document.addEventListener('DOMContentLoaded', () => { const pasteId = document.body.dataset.pasteId; // Obtener `pasteId` desde `data-*` const downloadUrl = document.body.dataset.downloadUrl; // `data-download-url` const qrCodeContainer = document.getElementById('qrcode'); if (qrCodeContainer && downloadUrl) { new QRCode(qrCodeContainer, { text: downloadUrl, width: 200, height: 200, colorDark: "#000000", colorLight: "#ffffff", correctLevel: QRCode.CorrectLevel.H }); const downloadQrButton = document.getElementById('download-qr'); if (downloadQrButton) { downloadQrButton.addEventListener('click', () => { const canvas = qrCodeContainer.querySelector('canvas'); if (canvas) { const pngUrl = canvas.toDataURL("image/png").replace("image/png", "image/octet-stream"); const downloadLink = document.createElement('a'); downloadLink.href = pngUrl; downloadLink.download = `qr_code_paste_${pasteId}.png`; document.body.appendChild(downloadLink); downloadLink.click(); document.body.removeChild(downloadLink); showToast('QR descargado exitosamente!', 'bg-success'); } else { showToast('Error al generar el código QR.', 'bg-danger'); } }); } } });