Please enter a valid number of months for coverage.

`; if (downloadPdfBtn) downloadPdfBtn.disabled = true; return; } const emergencyFundGoal = totalMonthlyExpenses * monthsCoverage; calculationDataForPdf = { inputs: { expenseDetails, monthsCoverage }, results: { totalMonthlyExpenses, emergencyFundGoal } }; displayFundGoalResults(calculationDataForPdf); if (downloadPdfBtn) downloadPdfBtn.disabled = false; if (pdfButtonContainer) pdfButtonContainer.style.display = 'block'; } return totalMonthlyExpenses; // Return for intermediate use (e.g., before tab switch) } function displayFundGoalResults(data) { if (!fundGoalSummaryDiv || !data) return; let html = `

Your Emergency Fund Goal:

`; html += `

Total Estimated Monthly Expenses: ${formatCurrency(data.results.totalMonthlyExpenses)}

`; html += `

Desired Months of Coverage: ${data.inputs.monthsCoverage} months

`; html += `

Recommended Emergency Fund: ${formatCurrency(data.results.emergencyFundGoal)}

`; html += `

Having an emergency fund can provide financial security during unexpected events like job loss, medical emergencies, or urgent repairs. Aim to build this fund in a readily accessible, safe account (e.g., high-yield savings).

`; fundGoalSummaryDiv.innerHTML = html; } if (calculateGoalBtn) { calculateGoalBtn.addEventListener('click', () => calculateTotalMonthlyExpenses(true)); } // --- PDF Download --- function loadJsPdfIfNeeded(callback) { if (jsPdfLoaded) { if (callback) callback(); return; } const script = document.createElement('script'); script.src = 'https://cdnjs.cloudflare.com/ajax/libs/jspdf/2.5.1/jspdf.umd.min.js'; script.onload = () => { jsPdfLoaded = true; console.log("jsPDF loaded dynamically."); if (callback) callback(); }; script.onerror = () => { console.error("Failed to load jsPDF."); alert("Error: Could not load PDF library."); }; document.head.appendChild(script); } function downloadReportAsPdf() { if (!jsPdfLoaded) { alert("PDF library not loaded."); return; } if (!calculationDataForPdf) { alert("No calculation data to download. Please calculate your fund goal first."); return; } const { jsPDF } = window.jspdf; const doc = new jsPDF({ unit: 'pt', format: 'a4' }); const data = calculationDataForPdf; const pageMargin = 40; const pageWidth = doc.internal.pageSize.getWidth() - 2 * pageMargin; let y = pageMargin; function addMainTitle(text) { doc.setFontSize(18); doc.setFont(undefined, 'bold'); doc.setTextColor(0, 123, 255); // Primary doc.text(text, doc.internal.pageSize.getWidth() / 2, y, { align: 'center' }); y += 35; } function addSectionTitle(text) { if (y > doc.internal.pageSize.getHeight() - 70) { doc.addPage(); y = pageMargin; } doc.setFontSize(14); doc.setFont(undefined, 'bold'); doc.setTextColor(0, 86, 179); // Secondary doc.text(text, pageMargin, y); y += 25; } function addLine(key, value, valueIsHighlight = false) { if (y > doc.internal.pageSize.getHeight() - 40) { doc.addPage(); y = pageMargin; } doc.setFontSize(10); doc.setFont(undefined, 'bold'); doc.setTextColor(33,37,41); doc.text(key, pageMargin, y); doc.setFont(undefined, valueIsHighlight ? 'bold' : 'normal'); doc.setTextColor(valueIsHighlight ? 255 : 33, valueIsHighlight ? 193 : 37, valueIsHighlight ? 7 : 41); // Highlight or normal if (valueIsHighlight) { // Background for highlighted value const valueTextWidth = doc.getTextWidth(String(value)) + 10; // Add padding doc.setFillColor(255, 243, 205); // Light yellow doc.rect(pageMargin + 200 - 5, y - 10, valueTextWidth, 14, 'F'); } const valueText = String(value); doc.text(valueText, pageMargin + 200, y, { align: 'left', maxWidth: pageWidth - 200 - 5 }); y += 18; } function addInfo(text) { if (y > doc.internal.pageSize.getHeight() - 60) { doc.addPage(); y = pageMargin; } doc.setFontSize(9); doc.setFont(undefined, 'italic'); doc.setTextColor(108, 117, 125); const splitText = doc.splitTextToSize(text, pageWidth); doc.setFillColor(248,249,250); doc.rect(pageMargin -5, y - (doc.getTextDimensions(splitText).h / 2) - 2 , pageWidth + 10, doc.getTextDimensions(splitText).h + 10, 'F'); doc.text(splitText, pageMargin, y); y += (doc.getTextDimensions(splitText).h) + 15; } addMainTitle("Emergency Fund Calculation Report"); addInfo(`Report Generated: ${new Date().toLocaleString()}`); y += 10; addSectionTitle("Estimated Monthly Expenses"); for (const expenseName in data.inputs.expenseDetails) { addLine(`${expenseName}:`, formatCurrency(data.inputs.expenseDetails[expenseName])); } y += 5; addLine("Total Estimated Monthly Expenses:", formatCurrency(data.results.totalMonthlyExpenses), true); y += 10; addSectionTitle("Emergency Fund Goal"); addLine("Desired Months of Coverage:", `${data.inputs.monthsCoverage} months`); addLine("Recommended Emergency Fund Goal:", formatCurrency(data.results.emergencyFundGoal), true); y += 15; addInfo("An emergency fund is a crucial part of financial stability. It provides a safety net for unexpected events, preventing the need to derail long-term investments or incur debt. Aim to keep this fund in a liquid and easily accessible account."); const pageCount = doc.internal.getNumberOfPages(); for (let i = 1; i <= pageCount; i++) { doc.setPage(i); doc.setFontSize(8); doc.setTextColor(150); doc.text(`Page ${i} of ${pageCount} - Emergency Fund Calculator`, pageMargin, doc.internal.pageSize.getHeight() - 20); } doc.save('Emergency_Fund_Calculation.pdf'); } if (downloadPdfBtn) { downloadPdfBtn.addEventListener('click', () => loadJsPdfIfNeeded(downloadReportAsPdf)); } // --- Initialization --- showTab(0); if (downloadPdfBtn) downloadPdfBtn.disabled = true; if (pdfButtonContainer) pdfButtonContainer.style.display = 'block'; loadJsPdfIfNeeded(); });