`; } function getYouTubeId(url) { const regExp = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/; const match = url.match(regExp); return (match && match[2].length === 11) ? match[2] : null; } function displayVideoPreview(videoId) { elements.videoPreview.innerHTML = ``; } function updateDownloadButton() { const format = elements.captionFormat.value; elements.downloadFormatText.textContent = `Download .${format}`; } // --- File Downloads --- function downloadFormatFile() { const format = elements.captionFormat.value; const content = elements.captionsOutput.value; if (!content) return; const blob = new Blob([content], { type: 'text/plain;charset=utf-8' }); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = `captions.${format}`; document.body.appendChild(a); a.click(); document.body.removeChild(a); URL.revokeObjectURL(url); } function generatePdf() { const captions = elements.captionsOutput.value; if (!captions) return; const { jsPDF } = window.jspdf; const doc = new jsPDF(); doc.setFont('helvetica', 'bold'); doc.setFontSize(18); doc.text('Video Caption Report', doc.internal.pageSize.getWidth() / 2, 20, { align: 'center' }); doc.setFontSize(11); doc.setTextColor(100); doc.text(`Report Date: ${new Date().toLocaleDateString('en-US')}`, 14, 30); doc.text(`Video Topic: ${elements.videoTopic.value}`, 14, 37); doc.autoTable({ startY: 45, head: [['Generated Captions']], body: [[captions]], theme: 'grid', headStyles: { fillColor: '#111827' }, styles: { font: 'courier', cellPadding: 3 }, }); doc.save('video-caption-report.pdf'); } initialize(); });