`; if (estimatorData.affordableMonthlyPayment <= 0 && estimatorData.offPeakMonthlyNetIncome <= 0) { displayError(errorTab4El, "Note: The estimated affordable loan amount is zero because the off-peak monthly net income is not positive. This suggests that based on the provided off-peak figures, covering loan payments might be challenging during those months."); } } if (nextButton) { nextButton.addEventListener('click', () => { let canProceed = false; if (currentTab === 0) { canProceed = validateTab1(); } else if (currentTab === 1) { canProceed = validateAndCalculateTab2(); } else if (currentTab === 2) { canProceed = validateAndCalculateTab3(); if (canProceed) populateSummary(); } if (canProceed && currentTab < tabContents.length - 1) { showTab(currentTab + 1); } }); } if (prevButton) { prevButton.addEventListener('click', () => { if (currentTab > 0) { showTab(currentTab - 1); if (currentTab === 1) clearError(errorTab1El); if (currentTab === 2) clearError(errorTab2El); if (currentTab === 3) clearError(errorTab3El); clearError(errorTab4El); } }); } if (tabButtons) { tabButtons.forEach((button, index) => { button.addEventListener('click', () => { if (index <= currentTab) { showTab(index); } else { let canReachTarget = true; for (let i = currentTab; i < index; i++) { let validationPassed = false; if (i === 0) validationPassed = validateTab1(); else if (i === 1) validationPassed = validateAndCalculateTab2(); else if (i === 2) { validationPassed = validateAndCalculateTab3(); if(validationPassed) populateSummary(); } if (!validationPassed) { showTab(i); // Trigger error display on the failed tab by simulating next button if possible or directly calling displayError if (i === 0 && nextButton) nextButton.click(); else if (i === 1 && nextButton) nextButton.click(); else if (i === 2 && nextButton) nextButton.click(); canReachTarget = false; break; } } if (canReachTarget) { showTab(index); } } }); }); } if (downloadPdfButton) { downloadPdfButton.addEventListener('click', () => { clearError(errorTab4El); if (typeof window.jspdf === 'undefined') { displayError(errorTab4El, 'PDF generation library (jsPDF) is not loaded. Namespace `window.jspdf` undefined. Check internet connection or script loading.'); console.error('window.jspdf is not defined.'); return; } if (typeof window.jspdf.jsPDF === 'undefined') { displayError(errorTab4El, 'PDF constructor (jsPDF.jsPDF) is not found within the library. Script might be corrupted or wrong version.'); console.error('window.jspdf.jsPDF is not defined.'); return; } const JSPDFConstructor = window.jspdf.jsPDF; const doc = new JSPDFConstructor(); if (typeof doc.autoTable !== 'function') { displayError(errorTab4El, 'PDF table plugin (jsPDF-AutoTable) is not functional. `doc.autoTable` is not a function.'); console.error('doc.autoTable is not a function. jsPDF-AutoTable plugin might have failed.'); return; } if (Object.keys(estimatorData).length < 7 || estimatorData.estimatedLoanAmount === undefined) { displayError(errorTab4El, 'Please complete all calculation steps before downloading the PDF.'); return; } const formatCurrencyForPdf = (num) => { if (typeof num !== 'number' || isNaN(num)) return '$0.00'; return `$${num.toFixed(2)}`; }; doc.setFontSize(18); doc.text("Seasonal Business Loan Affordability Estimate", 14, 20); doc.setFontSize(10); doc.setTextColor(100); // Light grey for timestamp doc.text(`Report Generated: ${new Date().toLocaleDateString()} ${new Date().toLocaleTimeString()}`, 14, 27); doc.setTextColor(0); // Reset text color to black const tableColumnStyles = { 0: { cellWidth: 65, fontStyle: 'bold', halign: 'left' }, 1: { cellWidth: 'auto', halign: 'right' } }; const headStyles = { fillColor: [0, 115, 170], textColor: 255, fontStyle: 'bold' }; const theme = 'grid'; const inputData = [ ["Peak Season Monthly Revenue:", formatCurrencyForPdf(estimatorData.peakRevenue)], ["Number of Peak Months:", estimatorData.peakMonths.toString()], ["Off-Peak Season Monthly Revenue:", formatCurrencyForPdf(estimatorData.offPeakRevenue)], ["Number of Off-Peak Months:", estimatorData.offPeakMonths.toString()], ["Peak Season Monthly Expenses:", formatCurrencyForPdf(estimatorData.peakExpenses)], ["Off-Peak Season Monthly Expenses:", formatCurrencyForPdf(estimatorData.offPeakExpenses)], ["Desired Loan Term (Years):", estimatorData.loanTermYears.toString()], ["Annual Interest Rate (%):", estimatorData.annualInterestRate !== undefined ? estimatorData.annualInterestRate.toFixed(2) : 'N/A'] ]; doc.autoTable({ startY: 35, head: [['User Inputs', 'Value']], body: inputData, theme: theme, headStyles: headStyles, columnStyles: tableColumnStyles, tableWidth: 'auto', margin: { left: 14, right: 14 } }); let lastTableY = doc.lastAutoTable.finalY; const financialSummaryData = [ ["Total Annual Revenue:", formatCurrencyForPdf(estimatorData.totalAnnualRevenue)], ["Total Annual Expenses:", formatCurrencyForPdf(estimatorData.totalAnnualExpenses)], ["Net Annual Income:", formatCurrencyForPdf(estimatorData.netAnnualIncome)], ["Average Monthly Net Income:", formatCurrencyForPdf(estimatorData.averageMonthlyNetIncome)], ["Peak Season Monthly Net Income:", formatCurrencyForPdf(estimatorData.peakMonthlyNetIncome)], ["Off-Peak Season Monthly Net Income:", formatCurrencyForPdf(estimatorData.offPeakMonthlyNetIncome)] ]; doc.autoTable({ startY: lastTableY + 8, head: [['Business Financials Summary', 'Value']], body: financialSummaryData, theme: theme, headStyles: headStyles, columnStyles: tableColumnStyles, tableWidth: 'auto', margin: { left: 14, right: 14 } }); lastTableY = doc.lastAutoTable.finalY; const loanAffordabilityData = [ ["Est. Affordable Monthly Payment:", formatCurrencyForPdf(estimatorData.affordableMonthlyPayment)], ["Est. Total Affordable Loan Amount:", formatCurrencyForPdf(estimatorData.estimatedLoanAmount)] ]; doc.autoTable({ startY: lastTableY + 8, head: [['Loan Affordability Estimate', 'Value']], body: loanAffordabilityData, theme: theme, headStyles: headStyles, columnStyles: tableColumnStyles, tableWidth: 'auto', margin: { left: 14, right: 14 } }); lastTableY = doc.lastAutoTable.finalY; doc.setFontSize(9); doc.setTextColor(100); const noteText = "The Estimated Affordable Monthly Loan Payment is conservatively based on your Off-Peak Monthly Net Income to help ensure year-round affordability. This estimator provides guidance and does not constitute financial advice or a guarantee of loan approval. All figures are estimates."; // Calculate text height properly: doc.getTextDimensions(text, { maxWidth: X }).h const noteMaxWidth = doc.internal.pageSize.width - 28; const splitNoteText = doc.splitTextToSize(noteText, noteMaxWidth); const noteTextHeight = doc.getTextDimensions(splitNoteText, {maxWidth: noteMaxWidth}).h; doc.text(splitNoteText, 14, lastTableY + 7); let finalY = lastTableY + 7 + noteTextHeight; if (estimatorData.affordableMonthlyPayment <= 0 && estimatorData.offPeakMonthlyNetIncome <= 0) { doc.setTextColor(200, 0, 0); const warningText = "Warning: The estimated affordable loan amount is zero because the off-peak monthly net income is not positive. This suggests that based on the provided off-peak figures, covering loan payments might be challenging during those months."; const splitWarningText = doc.splitTextToSize(warningText, noteMaxWidth); const warningTextHeight = doc.getTextDimensions(splitWarningText, {maxWidth: noteMaxWidth}).h; doc.text(splitWarningText, 14, finalY + 4); // Add some space after previous note } doc.save("Seasonal_Loan_Affordability_Estimate.pdf"); }); } // Initialize if (tabContents.length > 0 && tabButtons.length > 0) { showTab(0); } updateOffPeakMonthsDisplay(); });