`;
function renderChart(chartData) {
if (inflationChart) inflationChart.destroy();
inflationChart = new Chart(document.getElementById('inflation-chart'), {
type: 'bar',
data: {
labels: chartData.map(d => d.category),
datasets: [{
label: 'Inflation Rate (%)',
data: chartData.map(d => d.inflation),
backgroundColor: chartData.map(d => d.inflation > 0 ? 'rgba(220, 38, 38, 0.6)' : 'rgba(21, 128, 61, 0.6)'),
borderColor: chartData.map(d => d.inflation > 0 ? 'rgb(220, 38, 38)' : 'rgb(21, 128, 61)'),
borderWidth: 1
}]
},
options: { indexAxis: 'y' }
});
}
// --- PDF GENERATION ---
async function generatePdfReport() {
const result = state.analysisResult;
if (!result) return alert("Please run an analysis first.");
downloadPdfBtn.disabled = true;
downloadPdfBtn.textContent = 'Generating...';
const chartImg = inflationChart.toBase64Image();
const { kpis } = result;
const reportHtml = `
`;
const pdfTemplate = document.getElementById('pdf-template');
pdfTemplate.innerHTML = reportHtml;
pdfTemplate.classList.remove('invisible');
try {
const { jsPDF } = window.jspdf;
const canvas = await html2canvas(pdfTemplate.querySelector('.pdf-report-container'), { scale: 2 });
const imgData = canvas.toDataURL('image/png');
const pdf = new jsPDF({ orientation: 'p', unit: 'pt', format: 'a4' });
pdf.addImage(imgData, 'PNG', 0, 0, pdf.internal.pageSize.getWidth(), (canvas.height * pdf.internal.pageSize.getWidth()) / canvas.width);
pdf.save(`${state.settings.analysisName.replace(/\s+/g, '_')}_Inflation_Report.pdf`);
} catch(e) { console.error('PDF Generation Error:', e);
} finally {
downloadPdfBtn.disabled = false;
downloadPdfBtn.textContent = 'Download Inflation Report';
pdfTemplate.classList.add('invisible');
}
}
downloadPdfBtn.addEventListener('click', generatePdfReport);
// --- INITIALIZATION ---
populateSettingsUI();
renderDataTable();
attachDataListeners();
runAnalysis();
switchTab(0);
});
Personal Inflation Report
${state.settings.analysisName}: Comparing ${state.settings.startPeriod} to ${state.settings.endPeriod}
Summary of Findings
Overall Inflation Rate
${kpis.overallInflation.toFixed(2)}%
Total Cost Change
$${kpis.costChange.toFixed(2)}
Highest Inflation Category
${kpis.biggestMover.category}
