`; pdfButtonContainer.classList.remove('hidden'); } async function handlePdfDownload() { if (!lastResult) return; const { jsPDF } = window.jspdf; // 1. Populate the hidden PDF template document.getElementById('pdf-report-date').textContent = `Analysis Date: ${new Date().toLocaleDateString()}`; document.getElementById('pdf-risk-level-container').innerHTML = `

OVERALL RISK ASSESSMENT

${lastResult.level.toUpperCase()}

`; document.getElementById('pdf-input-summary').innerHTML = `

Investment Type: ${lastResult.inputs.type}

Expected Return: ${lastResult.inputs.promisedReturn}%

Description: ${lastResult.inputs.description}

`; let factorsHtml = ''; if (lastResult.factors.length > 0) { lastResult.factors.forEach(factor => { const data = riskKeywords[factor]; factorsHtml += ` `; }); } else { factorsHtml += `

No specific keyword-based risk factors were detected. Standard market risks still apply.

`; } document.getElementById('pdf-detected-risks').innerHTML = factorsHtml; try { // 2. Render the populated template to a canvas const canvas = await html2canvas(document.getElementById('pdf-content'), { scale: 2, useCORS: true }); const imgData = canvas.toDataURL('image/png'); // 3. Create PDF const pdf = new jsPDF({ orientation: 'portrait', unit: 'pt', format: 'a4' }); const pdfWidth = pdf.internal.pageSize.getWidth(); const imgProps = pdf.getImageProperties(imgData); const pdfHeight = (imgProps.height * pdfWidth) / imgProps.width; pdf.addImage(imgData, 'PNG', 0, 0, pdfWidth, pdfHeight); pdf.save('Investment_Risk_Report.pdf'); } catch (error) { console.error("Failed to generate PDF:", error); alert("An error occurred while generating the PDF."); } } // --- Event Listeners --- tabs.forEach((tab, index) => tab.btn.addEventListener('click', () => switchTab(index))); prevBtn.addEventListener('click', () => switchTab(currentTab - 1)); nextBtn.addEventListener('click', () => switchTab(currentTab + 1)); detectRiskBtn.addEventListener('click', detectRisk); downloadPdfBtn.addEventListener('click', handlePdfDownload); // --- Initialization --- updateNavButtons(); });