Please complete the previous tabs to see the estimate.

'; } blbpe_domElements.pdfDownloadBtn.classList.add('blbpe-hidden'); if (tabId !== 'blbpe-tab2') { // Hide regular payment if not on tab2 or tab3 calculation pending blbpe_domElements.regularPaymentResult.classList.add('blbpe-hidden'); } } } function blbpe_navigateToTab(targetTabId) { const currentActiveTabContent = document.querySelector('.blbpe-tab-content.blbpe-active'); let proceed = false; if (currentActiveTabContent.id === 'blbpe-tab1') { if (targetTabId === 'blbpe-tab2' || targetTabId === 'blbpe-tab3') { proceed = blbpe_validateTab1(); } else { proceed = true; } } else if (currentActiveTabContent.id === 'blbpe-tab2') { if (targetTabId === 'blbpe-tab3') { if (blbpe_validateTab1()) { // First ensure tab 1 is valid proceed = blbpe_validateTab2AndCalcRegularPayment(); // Validates tab 2 and calculates payment } else { // If tab 1 is not valid, switch to tab 1 const tab1Button = document.querySelector('.blbpe-tab-link[data-tab="blbpe-tab1"]'); if (tab1Button) tab1Button.click(); return; } } else { proceed = true; } } else { proceed = true; } if (proceed) { const targetTabButton = document.querySelector(`.blbpe-tab-link[data-tab="${targetTabId}"]`); if (targetTabButton) targetTabButton.click(); } } function blbpe_performFinalCalculationsAndDisplay() { if (!blbpe_validateTab1()) { blbpe_domElements.resultsContainer.innerHTML = '

Please correct errors in Tab 1: Loan Details.

'; blbpe_domElements.pdfDownloadBtn.classList.add('blbpe-hidden'); return; } if (!blbpe_validateTab2AndCalcRegularPayment()) { blbpe_domElements.resultsContainer.innerHTML = '

Please correct errors in Tab 2: Loan Structure.

'; blbpe_domElements.pdfDownloadBtn.classList.add('blbpe-hidden'); return; } // All data should now be in blbpe_calculatedData, including regularPeriodicPayment blbpe_calculatedData.balloonPayment = blbpe_calculateBalloonPaymentB( blbpe_calculatedData.loanAmount, blbpe_calculatedData.annualInterestRate, blbpe_calculatedData.loanTermYears, blbpe_calculatedData.regularPeriodicPayment, blbpe_calculatedData.paymentsPerYear ); blbpe_calculatedData.actualNumPayments = blbpe_calculatedData.loanTermYears * blbpe_calculatedData.paymentsPerYear; blbpe_calculatedData.totalRegularPaymentsMade = blbpe_calculatedData.regularPeriodicPayment * blbpe_calculatedData.actualNumPayments; const totalRepaid = blbpe_calculatedData.totalRegularPaymentsMade + blbpe_calculatedData.balloonPayment; blbpe_calculatedData.totalInterestPaid = totalRepaid - blbpe_calculatedData.loanAmount; blbpe_calculatedData.periodicInterestRate = (blbpe_calculatedData.annualInterestRate / 100) / blbpe_calculatedData.paymentsPerYear; blbpe_domElements.resultsContainer.innerHTML = ` `; blbpe_domElements.pdfDownloadBtn.classList.remove('blbpe-hidden'); } function blbpe_hexToRgb(hex) { if (!hex || typeof hex !== 'string') return null; const shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i; hex = hex.replace(shorthandRegex, function(m, r, g, b) { return r + r + g + g + b + b; }); const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex); return result ? { r: parseInt(result[1], 16), g: parseInt(result[2], 16), b: parseInt(result[3], 16) } : null; } function blbpe_generatePdf() { if (typeof window.jspdf === 'undefined' || typeof window.jspdf.jsPDF === 'undefined') { console.error("jsPDF library not loaded."); alert("PDF generation unavailable: jsPDF library not loaded."); return; } if (typeof window.jspdf.jsPDF.API === 'undefined' || typeof window.jspdf.jsPDF.API.autoTable === 'undefined') { console.error("jsPDF-AutoTable plugin not loaded."); alert("PDF generation unavailable: AutoTable plugin not loaded."); return; } // Ensure data is calculated and valid before PDF generation if (!blbpe_validateTab1() || !blbpe_validateTab2AndCalcRegularPayment()) { alert("Please ensure all inputs are correctly filled and calculations are up to date before generating PDF."); if (!blbpe_validateTab1()) { const tab1Button = document.querySelector('.blbpe-tab-link[data-tab="blbpe-tab1"]'); if (tab1Button) tab1Button.click(); } else if (!blbpe_validateTab2AndCalcRegularPayment()) { const tab2Button = document.querySelector('.blbpe-tab-link[data-tab="blbpe-tab2"]'); if (tab2Button) tab2Button.click(); } return; } // Re-run final calc to ensure blbpe_calculatedData is fresh for PDF blbpe_performFinalCalculationsAndDisplay(); // Check if resultsContainer shows an error message after trying to calculate if (blbpe_domElements.resultsContainer.innerHTML.includes("blbpe-error-message")) { alert("Cannot generate PDF due to errors in input. Please correct them."); return; } const ActualJsPDF = window.jspdf.jsPDF; const doc = new ActualJsPDF(); const { loanAmount, annualInterestRate, paymentsPerYear, loanTermYears, amortizationPeriodYears, regularPeriodicPayment, balloonPayment, totalRegularPaymentsMade, totalInterestPaid, periodicInterestRate, actualNumPayments } = blbpe_calculatedData; const totalRepaid = totalRegularPaymentsMade + balloonPayment; doc.setFontSize(18); const primaryColorRGB = blbpe_hexToRgb(getComputedStyle(document.documentElement).getPropertyValue('--blbpe-primary-color').trim()); const secondaryColorRGB = blbpe_hexToRgb(getComputedStyle(document.documentElement).getPropertyValue('--blbpe-secondary-color').trim()); if (primaryColorRGB) doc.setTextColor(primaryColorRGB.r, primaryColorRGB.g, primaryColorRGB.b); else doc.setTextColor(0,90,156); doc.text("Business Loan Balloon Payment Estimate", 105, 20, null, null, "center"); doc.setFontSize(12); doc.setTextColor(51, 51, 51); let startY = 35; const tableHeadFillColor = secondaryColorRGB ? [secondaryColorRGB.r, secondaryColorRGB.g, secondaryColorRGB.b] : [0,51,102]; // Section 1: Loan Inputs doc.setFontSize(14); if (secondaryColorRGB) doc.setTextColor(secondaryColorRGB.r, secondaryColorRGB.g, secondaryColorRGB.b); else doc.setTextColor(0,51,102); doc.text("Loan Input Summary", 14, startY); startY += 7; doc.autoTable({ startY: startY, theme: 'grid', headStyles: { fillColor: tableHeadFillColor }, body: [ ["Loan Amount:", blbpe_formatCurrency(loanAmount)], ["Annual Interest Rate:", `${annualInterestRate.toFixed(2)}%`], ["Payments Per Year:", `${paymentsPerYear}`], ["Loan Term (until balloon):", `${loanTermYears} years`], ["Amortization Period:", `${amortizationPeriodYears} years`], ], margin: { left: 14, right: 14 } }); startY = doc.autoTable.previous.finalY + 10; // Section 2: Payment Details doc.setFontSize(14); if (secondaryColorRGB) doc.setTextColor(secondaryColorRGB.r, secondaryColorRGB.g, secondaryColorRGB.b); else doc.setTextColor(0,51,102); doc.text("Payment Details", 14, startY); startY += 7; doc.autoTable({ startY: startY, theme: 'grid', headStyles: { fillColor: tableHeadFillColor }, body: [ ["Periodic Interest Rate:", `${(periodicInterestRate * 100).toFixed(4)}%`], ["Regular Periodic Payment:", blbpe_formatCurrency(regularPeriodicPayment)], ["Total Number of Regular Payments:", `${actualNumPayments}`], ["Total Paid via Regular Payments:", blbpe_formatCurrency(totalRegularPaymentsMade)], ], margin: { left: 14, right: 14 } }); startY = doc.autoTable.previous.finalY + 10; // Section 3: Balloon Payment doc.setFontSize(14); if (secondaryColorRGB) doc.setTextColor(secondaryColorRGB.r, secondaryColorRGB.g, secondaryColorRGB.b); else doc.setTextColor(0,51,102); doc.text("Estimated Balloon Payment", 14, startY); startY += 7; doc.autoTable({ startY: startY, theme: 'grid', headStyles: { fillColor: tableHeadFillColor }, body: [ [{content: "Estimated Balloon Payment Due:", styles: {fontStyle: 'bold'}}, {content: blbpe_formatCurrency(balloonPayment), styles: {fontStyle: 'bold', fontSize: 12, textColor: primaryColorRGB ? [primaryColorRGB.r, primaryColorRGB.g, primaryColorRGB.b] : [0,90,156] }}], ], margin: { left: 14, right: 14 } }); startY = doc.autoTable.previous.finalY + 10; // Section 4: Overall Cost doc.setFontSize(14); if (secondaryColorRGB) doc.setTextColor(secondaryColorRGB.r, secondaryColorRGB.g, secondaryColorRGB.b); else doc.setTextColor(0,51,102); doc.text("Overall Loan Cost", 14, startY); startY += 7; doc.autoTable({ startY: startY, theme: 'grid', headStyles: { fillColor: tableHeadFillColor }, body: [ ["Total Repaid (Regular Payments + Balloon):", blbpe_formatCurrency(totalRepaid)], ["Total Interest Paid:", blbpe_formatCurrency(totalInterestPaid)], ], margin: { left: 14, right: 14 } }); startY = doc.autoTable.previous.finalY + 10; doc.setFontSize(10); doc.setTextColor(150); doc.text(`Report generated on: ${new Date().toLocaleDateString()} ${new Date().toLocaleTimeString()}`, 14, doc.internal.pageSize.height - 10); doc.save("Loan_Balloon_Payment_Estimate.pdf"); } window.blbpe_switchTab = blbpe_switchTab; window.blbpe_navigateToTab = blbpe_navigateToTab; window.blbpe_generatePdf = blbpe_generatePdf;