Forecasted Inflation
${data.inflation}
Key Considerations
${data.notes}
`;
}
}
/**
* Displays the stock market forecast based on the selected market.
*/
function displayMarketForecast() {
if (!marketSelect || !marketOutput) return;
const selectedMarket = marketSelect.value;
const data = predictionData.market[selectedMarket];
if (data) {
marketOutput.innerHTML = `
${data.title}
2025 Return Forecast
${data.forecast}
Key Drivers
${data.drivers}
Potential Risks
${data.risks}
`;
}
}
/**
* Generates the final summary report for display and PDF export.
*/
function generateSummary() {
const summaryGdp = document.getElementById('summary-gdp');
const summaryMarket = document.getElementById('summary-market');
const summaryRelationship = document.getElementById('summary-relationship');
if (!summaryGdp || !summaryMarket || !summaryRelationship) return;
const gdpData = predictionData.gdp[regionSelect.value];
const marketData = predictionData.market[marketSelect.value];
const relationshipData = predictionData.relationship;
summaryGdp.innerHTML = `
${gdpData.title}
- GDP Growth Forecast: ${gdpData.gdp}
- Inflation Forecast: ${gdpData.inflation}
- Outlook: ${gdpData.notes}
`;
summaryMarket.innerHTML = `
${marketData.title}
- Return Forecast: ${marketData.forecast}
- Key Drivers: ${marketData.drivers}
- Potential Risks: ${marketData.risks}
`;
summaryRelationship.innerHTML = `
${relationshipData.title}
${relationshipData.summary}
`;
}
/**
* Handles PDF download functionality.
*/
window.downloadPDF = async function() {
// Check if libraries are loaded
if (typeof window.jspdf === 'undefined' || typeof window.html2canvas === 'undefined') {
alert('PDF generation library not loaded. Please try again later.');
console.error("jspdf or html2canvas not found.");
return;
}
const { jsPDF } = window.jspdf;
const pdfContent = document.getElementById('pdf-content');
if (!pdfContent) {
console.error("PDF content area not found.");
return;
}
try {
const canvas = await html2canvas(pdfContent, {
scale: 2, // Improve resolution
backgroundColor: '#ffffff'
});
const imgData = canvas.toDataURL('image/png');
const pdf = new jsPDF({
orientation: 'p',
unit: 'mm',
format: 'a4'
});
const pdfWidth = pdf.internal.pageSize.getWidth();
const pdfHeight = pdf.internal.pageSize.getHeight();
const canvasWidth = canvas.width;
const canvasHeight = canvas.height;
const ratio = canvasWidth / canvasHeight;
const imgWidth = pdfWidth - 20; // with margin
const imgHeight = imgWidth / ratio;
let position = 10;
pdf.addImage(imgData, 'PNG', 10, position, imgWidth, imgHeight);
pdf.save('GDP_Stock_Prediction_Report-2025.pdf');
} catch (error) {
console.error('Error generating PDF:', error);
alert('An error occurred while generating the PDF.');
}
};
// --- INITIALIZATION ---
regionSelect.addEventListener('change', displayGdpForecast);
marketSelect.addEventListener('change', displayMarketForecast);
// Initial content display
changeTab(1);
displayGdpForecast();
displayMarketForecast();
});
