Input NFT & Market Data

NFT Traits

Collection Name

Rarity Score (1-100)

Creator Reputation

Market Data

7-Day Average Price ($)

7-Day Trading Volume

Prediction Analysis

Key Factor Importance

Export Valuation Report

Generate a professional PDF of the simulated valuation for your records.

Confidence Score

${predictionResults.confidence}%

`; const ctx = document.getElementById('factors-chart').getContext('2d'); const chartData = { labels: Object.keys(predictionResults.factors), datasets: [{ label: 'Price Impact ($)', data: Object.values(predictionResults.factors).map(v => Math.max(0,v)), backgroundColor: ['#38bdf8', '#34d399', '#a78bfa', '#facc15'], borderColor: '#475569', borderWidth: 1, }] }; if (factorsChart) factorsChart.destroy(); factorsChart = new Chart(ctx, { type: 'bar', data: chartData, options: { indexAxis: 'y', responsive: true, plugins: { legend: { display: false } }, scales: { x: { ticks: { color: '#9ca3af' } }, y: { ticks: { color: '#9ca3af' } } } } }); } // --- PDF GENERATION --- async function generatePdfReport() { downloadPdfBtn.disabled = true; downloadPdfBtn.textContent = 'Generating...'; const factorRows = Object.entries(predictionResults.factors) .map(([key, value]) => `${key}$${value.toLocaleString(undefined, {maximumFractionDigits:0})}`).join(''); const reportHtml = `

NFT Valuation Report

Simulated Price Analysis for: ${nftData.collectionName}

PREDICTED PRICE RANGE

$${predictionResults.priceRange[0].toLocaleString(undefined,{maximumFractionDigits:0})} - $${predictionResults.priceRange[1].toLocaleString(undefined,{maximumFractionDigits:0})}

INPUT DATA

Rarity Score	${nftData.rarityScore}/100
Creator Reputation	${nftData.creatorRep}
7d Avg Price	$${nftData.avgPrice.toLocaleString()}
7d Volume	${nftData.tradingVolume.toLocaleString()}

CONFIDENCE

${predictionResults.confidence}%

FACTOR ANALYSIS

`; const pdfTemplate = document.getElementById('pdf-template'); pdfTemplate.innerHTML = reportHtml; pdfTemplate.classList.remove('invisible'); new Chart(document.getElementById('pdf-factors-chart').getContext('2d'), { type: 'bar', data: factorsChart.data, options: { ...factorsChart.options, animation: { duration: 0 }, plugins: { legend: { display: false } } } }); setTimeout(async () => { try { const { jsPDF } = window.jspdf; const canvas = await html2canvas(pdfTemplate.querySelector('.pdf-page'), { scale: 2, backgroundColor: '#030712' }); const imgData = canvas.toDataURL('image/png'); const pdf = new jsPDF({ orientation: 'p', unit: 'pt', format: 'a4' }); const pdfWidth = pdf.internal.pageSize.getWidth(), pdfHeight = (canvas.height * pdfWidth) / canvas.width; pdf.addImage(imgData, 'PNG', 0, 0, pdfWidth, pdfHeight); pdf.save('NFT_Valuation_Report.pdf'); } catch (e) { console.error('PDF Generation Error:', e); } finally { downloadPdfBtn.disabled = false; downloadPdfBtn.textContent = 'Download PDF Report'; pdfTemplate.classList.add('invisible'); pdfTemplate.innerHTML = ''; } }, 500); } downloadPdfBtn.addEventListener('click', generatePdfReport); // --- INITIALIZATION --- switchTab(0); });