`;
// --- Asset Allocation Heuristic ---
reportRiskProfileEl.textContent = inputs.riskTolerance.charAt(0).toUpperCase() + inputs.riskTolerance.slice(1);
let baseAllocation = {};
const assetRationales = {
tips: "Inflation-Indexed Bonds (TIPS) are designed to protect against inflation by adjusting their principal value.",
commodities: "Commodities (like gold or broad indexes) often rise in price during inflationary periods, acting as a store of value.",
real_estate: "Real Estate (e.g., REITs) can offer an inflation hedge as property values and rents may increase with inflation.",
equities_broad: "Broad Market Equities (Stocks) have historically outpaced inflation over the long term, though with higher volatility.",
equities_resilient: "Inflation-Resilient Sector Equities (e.g., Energy, Materials, Staples) can perform well as they may pass on rising costs or benefit from higher commodity prices.",
crypto: "Cryptocurrencies are considered by some as a potential inflation hedge due to limited supply, but come with very high volatility and regulatory risks.",
cash: "Cash/High-Yield Savings provide liquidity and capital preservation but typically lose purchasing power during inflation unless yields are very high."
};
switch (inputs.riskTolerance) {
case 'conservative':
baseAllocation = { tips: 0.40, commodities: 0.15, real_estate: 0.20, equities_broad: 0.15, cash: 0.10, equities_resilient: 0, crypto: 0 };
break;
case 'moderate':
baseAllocation = { equities_broad: 0.30, real_estate: 0.25, commodities: 0.20, tips: 0.15, crypto: 0.05, cash: 0.05, equities_resilient: 0 };
break;
case 'aggressive':
baseAllocation = { equities_broad: 0.40, equities_resilient: 0.15, real_estate: 0.20, crypto: 0.10, commodities: 0.10, tips: 0.05, cash: 0 };
break;
}
let finalAllocation = {};
let totalSelectedWeight = 0;
inputs.selectedAssets.forEach(asset => {
if (baseAllocation.hasOwnProperty(asset) && baseAllocation[asset] > 0) {
finalAllocation[asset] = baseAllocation[asset];
totalSelectedWeight += baseAllocation[asset];
} else if (baseAllocation.hasOwnProperty(asset) && asset === 'equities_resilient' && inputs.riskTolerance !== 'conservative') {
// Allow resilient if not conservative even if base is 0, take from broad
const resilientShare = inputs.riskTolerance === 'aggressive' ? 0.15 : 0.10;
if (inputs.selectedAssets.includes('equities_broad') && baseAllocation['equities_broad'] >= resilientShare) {
finalAllocation['equities_resilient'] = resilientShare;
baseAllocation['equities_broad'] -= resilientShare; // Adjust broad market share
totalSelectedWeight += resilientShare;
} else { // if broad not selected or too small, just assign resilient a base
finalAllocation['equities_resilient'] = resilientShare;
totalSelectedWeight += resilientShare;
}
} else if (baseAllocation.hasOwnProperty(asset) && asset === 'crypto' && inputs.riskTolerance !== 'conservative') {
const cryptoShare = inputs.riskTolerance === 'aggressive' ? 0.10 : 0.05;
finalAllocation['crypto'] = cryptoShare;
totalSelectedWeight += cryptoShare;
} else if (!baseAllocation.hasOwnProperty(asset)) { // e.g. asset_cash for aggressive might be 0
finalAllocation[asset] = 0.05; // small default for unassigned but selected
totalSelectedWeight += 0.05;
}
});
// Normalize if totalSelectedWeight is not 1 (or if some preferred assets from base were not selected)
if (totalSelectedWeight > 0 && totalSelectedWeight < 1) { // Some base assets were deselected
const missingWeight = 1 - totalSelectedWeight;
for (const asset in finalAllocation) {
finalAllocation[asset] += (finalAllocation[asset] / totalSelectedWeight) * missingWeight;
}
} else if (totalSelectedWeight > 1) { // Due to adding resilient/crypto possibly
for (const asset in finalAllocation) {
finalAllocation[asset] /= totalSelectedWeight; // Normalize
}
}
let allocationHTML = '';
let rationaleHTML = '';
const assetNames = {
tips: "Inflation-Indexed Bonds (TIPS)", commodities: "Commodities (Gold, Broad Index)",
real_estate: "Real Estate (REITs)", equities_broad: "Equities (Broad Market)",
equities_resilient: "Equities (Inflation-Resilient Sectors)", crypto: "Cryptocurrencies",
cash: "Cash / High-Yield Savings"
};
for (const asset in finalAllocation) {
if (finalAllocation[asset] > 0.001) { // Only show if allocation is meaningful
allocationHTML += `
${assetNames[asset] || asset}: ${(finalAllocation[asset] * 100).toFixed(1)}%
`;
if (assetRationales[asset]) {
rationaleHTML += `
${assetNames[asset] || asset}: ${assetRationales[asset]}
`;
}
}
}
assetAllocationResultEl.innerHTML = allocationHTML || "
No specific allocation suggested based on preferences. Please review selected assets and risk tolerance.
";
allocationRationaleEl.innerHTML = rationaleHTML || "
General investment principles apply.
";
// --- Illustrative Portfolio Projection ---
const assumedRealReturns = {
tips: 0.01, commodities: 0.02, real_estate: 0.03,
equities_broad: 0.05, equities_resilient: 0.055, crypto: 0.07, cash: -inputs.inflationRate // Cash loses to inflation
};
let weightedRealReturn = 0;
for (const asset in finalAllocation) {
weightedRealReturn += (finalAllocation[asset] || 0) * (assumedRealReturns[asset] || 0);
}
const targetNominalReturn = weightedRealReturn + inputs.inflationRate + inputs.realReturn; // Add desired real return
let projectionTableHTML = `
| Year |
Nominal Value |
Real Value (Today's $) |
`;
let currentNominalValue = inputs.currentSavings;
projectionTableHTML += `
| 0 |
${formatCurrency(currentNominalValue)} |
${formatCurrency(currentNominalValue)} |
`;
const projectionIntervals = [5, 10, 15, inputs.investmentHorizon].filter((val, idx, self) => self.indexOf(val) === idx && val > 0).sort((a,b) => a-b);
let lastYearProjected = 0;
projectionIntervals.forEach(year => {
if (year > lastYearProjected) {
const yearsToProject = year - lastYearProjected;
currentNominalValue = currentNominalValue * Math.pow(1 + targetNominalReturn, yearsToProject);
const realValue = currentNominalValue / Math.pow(1 + inputs.inflationRate, year);
projectionTableHTML += `
| ${year} |
${formatCurrency(currentNominalValue)} |
${formatCurrency(realValue)} |
`;
lastYearProjected = year;
}
});
projectionTableHTML += `
`;
portfolioProjectionEl.innerHTML = projectionTableHTML;
// --- Next Steps ---
nextStepsEl.innerHTML = `
Consult a Professional: This planner provides illustrative guidance. Always consult with a qualified financial advisor before making investment decisions.
Research Investments: Thoroughly research specific ETFs, mutual funds, or other investment vehicles within your chosen asset classes.
Diversify: Ensure your portfolio is well-diversified within each asset class to manage risk.
Consider Costs: Be mindful of investment fees, taxes, and transaction costs.
Regular Review: Review and rebalance your portfolio periodically (e.g., annually) or when your financial situation or goals change.
Stay Informed: Keep up-to-date with economic news and market trends that could impact inflation and your investments.
`;
strategyTabButton.disabled = false;
updateNavigationButtons();
return true;
}
function validateAndProcess() {
if (validateInputs()) {
if(generateStrategy()){
return true;
} else {
strategyTabButton.disabled = true;
updateNavigationButtons();
return false;
}
} else {
strategyTabButton.disabled = true;
updateNavigationButtons();
return false;
}
}
if (planStrategyButton) {
planStrategyButton.addEventListener('click', () => {
if(validateAndProcess()){
showTab('strategyTab', strategyTabButton); // Use strategyTabButton
}
});
}
if (downloadPdfButton) {
downloadPdfButton.addEventListener('click', () => {
const { jsPDF } = window.jspdf;
const reportContent = document.getElementById('pdfReportContent');
if (!reportContent) {
console.error("PDF report content area not found.");
// Simple user feedback
const strategyTabEl = document.getElementById('strategyTab');
if (strategyTabEl) {
let msgEl = strategyTabEl.querySelector('.pdf-error-msg');
if (!msgEl) {
msgEl = document.createElement('p');
msgEl.className = 'error-message text-center pdf-error-msg mt-4';
strategyTabEl.appendChild(msgEl);
}
msgEl.textContent = "Error: Could not generate PDF. Report content missing.";
setTimeout(() => { if(msgEl) msgEl.remove(); }, 5000);
}
return;
}
html2canvas(reportContent, { scale: 2, useCORS: true, backgroundColor: '#ffffff' })
.then(canvas => {
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 ratio = canvas.width / canvas.height;
let imgWidth = pdfWidth - 20; // 10mm margin each side
let imgHeight = imgWidth / ratio;
if (imgHeight > pdfHeight - 20) { // Check if content is too tall
imgHeight = pdfHeight - 20; // Max height with margin
imgWidth = imgHeight * ratio;
}
const x = (pdfWidth - imgWidth) / 2; // Center horizontally
const y = 10; // 10mm margin from top
pdf.addImage(imgData, 'PNG', x, y, imgWidth, imgHeight);
const plannerNameVal = document.getElementById('plannerName')?.value.trim().replace(/\s+/g, '_') || "inflation_hedge_strategy";
pdf.save(`${plannerNameVal}.pdf`);
}).catch(error => {
console.error("Error generating PDF: ", error);
const strategyTabEl = document.getElementById('strategyTab');
if (strategyTabEl) {
let msgEl = strategyTabEl.querySelector('.pdf-error-msg');
if (!msgEl) {
msgEl = document.createElement('p');
msgEl.className = 'error-message text-center pdf-error-msg mt-4';
strategyTabEl.appendChild(msgEl);
}
msgEl.textContent = "An error occurred generating the PDF. Please try again.";
setTimeout(() => { if(msgEl) msgEl.remove(); }, 5000);
}
});
});
}
updateNavigationButtons();
});
