AI-Powered Recommendation
${recommendation}
`;
renderImpactChart(classTotals);
}
function renderImpactChart(classTotals) {
const ctx = document.getElementById('impactChart')?.getContext('2d');
if (!ctx) return;
if (chartInstance) chartInstance.destroy();
const labels = Object.keys(classTotals);
const preData = labels.map(l => classTotals[l].pre);
const postData = labels.map(l => classTotals[l].post);
chartInstance = new Chart(ctx, {
type: 'bar',
data: {
labels: labels,
datasets: [
{
label: 'Pre-Stress Value',
data: preData,
backgroundColor: '#9ca3af', // gray-400
},
{
label: 'Post-Stress Value',
data: postData,
backgroundColor: '#3b82f6', // blue-500
}
]
},
options: {
responsive: true,
maintainAspectRatio: false,
scales: {
y: {
beginAtZero: true,
ticks: { callback: value => '$' + (value / 1000) + 'k' }
}
},
plugins: {
title: { display: true, text: 'Asset Class Value: Pre- vs. Post-Stress' },
tooltip: { callbacks: { label: c => `${c.dataset.label}: $${c.raw.toLocaleString()}`}}
}
}
});
}
// --- PDF Download ---
function downloadPDF() {
const pdfElement = document.getElementById('pdf-output');
if (!pdfElement) return alert("Could not find content to download.");
const originalBg = pdfElement.style.backgroundColor;
pdfElement.style.backgroundColor = 'white';
const { jsPDF } = window.jspdf;
html2canvas(pdfElement, { scale: 2, useCORS: true, backgroundColor: '#ffffff' })
.then(canvas => {
pdfElement.style.backgroundColor = originalBg;
const imgData = canvas.toDataURL('image/png');
const pdf = new jsPDF({ orientation: 'p', unit: 'px', format: [canvas.width, canvas.height] });
pdf.addImage(imgData, 'PNG', 0, 0, canvas.width, canvas.height);
pdf.save('Portfolio-Stress-Test-Report.pdf');
}).catch(err => {
pdfElement.style.backgroundColor = originalBg;
console.error("PDF Generation Error:", err);
alert("An error occurred while generating the PDF.");
});
}
