Total Interest Payable: ${mec_formatCurrency(totalInterestPayable)}

Total Amount Payable (Principal + Interest): ${mec_formatCurrency(totalAmountPayable)}

`; } let amortizationHTML = ""; let balance = principal; const monthlyRate = (annualRate / 100) / 12; for (let month = 1; month <= termMonths; month++) { let interestForMonth = balance * monthlyRate; if (monthlyRate === 0) interestForMonth = 0; // Handle 0% APR correctly let principalPaidThisMonth = emi - interestForMonth; // Adjust last payment to clear balance exactly if (month === termMonths) { principalPaidThisMonth = balance; // Last principal payment should be the remaining balance const lastEmi = principalPaidThisMonth + interestForMonth; // This could be slightly different from calculated EMI due to rounding. // For simplicity, we usually show the calculated EMI and let the balance clear. // Or, show the adjusted EMI for the last month. Let's stick to consistent EMI. // Balance might be a few cents off, which is acceptable. } balance -= principalPaidThisMonth; if (Math.abs(balance) < 0.01) balance = 0; // Clean up small residuals amortizationHTML += ` ${month} ${mec_formatCurrency(emi)} ${mec_formatCurrency(principalPaidThisMonth)} ${mec_formatCurrency(interestForMonth)} ${mec_formatCurrency(balance)} `; } if(mec_el.amortizationTableBody) mec_el.amortizationTableBody.innerHTML = amortizationHTML; if(mec_el.pdfDownloadBtn && mec_el.pdfDownloadBtn.style) mec_el.pdfDownloadBtn.style.display = 'block'; } function mec_resetForm() { if(mec_el.loanAmount) mec_el.loanAmount.value = "2000"; if(mec_el.annualInterestRate) mec_el.annualInterestRate.value = "9.0"; if(mec_el.loanTenureMonths) mec_el.loanTenureMonths.value = "24"; document.querySelectorAll('#motorcycleEmiCalculator .mec-error-message').forEach(el => el.textContent = ''); if(mec_el.resultsSummary) mec_el.resultsSummary.innerHTML = ""; if(mec_el.amortizationTableBody) mec_el.amortizationTableBody.innerHTML = ""; if(mec_el.pdfDownloadBtn && mec_el.pdfDownloadBtn.style) mec_el.pdfDownloadBtn.style.display = 'none'; if(mec_el.resultsTabButton) mec_el.resultsTabButton.disabled = true; mec_currentTab = 0; mec_openTab(null, 'mec-inputTab'); } function mec_downloadPDF() { if (typeof window.jspdf === 'undefined' || typeof window.jspdf.jsPDF !== 'function' || typeof window.jspdf.jsPDF.API.autoTable !== 'function') { alert("PDF generation library not loaded. Check CDN links & internet connection."); return; } const jsPDFConstructor = window.jspdf.jsPDF; const resultsSummaryContent = mec_el.resultsSummary; const amortizationTableElement = document.getElementById('mec-amortizationTable'); if (!resultsSummaryContent || !resultsSummaryContent.textContent.trim() || !amortizationTableElement) { alert("No results to download. Please calculate EMI first."); return; } try { const pdf = new jsPDFConstructor('p', 'pt', 'a4'); const toolTitle = "Motorcycle Loan EMI Report"; const margins = { top: 40, bottom: 40, left: 30, right: 30 }; let yPos = margins.top; pdf.setFontSize(18); pdf.text(toolTitle, pdf.internal.pageSize.getWidth() / 2, yPos, { align: 'center' }); yPos += 25; pdf.setFontSize(11); pdf.text("Loan Inputs:", margins.left, yPos); yPos += 15; pdf.setFontSize(9); pdf.text(`Loan Amount: ${mec_formatCurrency(parseFloat(mec_el.loanAmount.value))}`, margins.left + 10, yPos); yPos += 13; pdf.text(`Annual Interest Rate: ${mec_el.annualInterestRate.value}%`, margins.left + 10, yPos); yPos += 13; pdf.text(`Loan Tenure: ${mec_el.loanTenureMonths.value} months`, margins.left + 10, yPos); yPos += 20; pdf.setFontSize(11); pdf.text("EMI Summary:", margins.left, yPos); yPos += 15; pdf.setFontSize(9); const summaryLines = pdf.splitTextToSize(resultsSummaryContent.innerText.trim(), pdf.internal.pageSize.getWidth() - margins.left - margins.right - 10); pdf.text(summaryLines, margins.left + 10, yPos); yPos += (summaryLines.length * 12) + 10; // Adjust yPos based on number of lines in summary if (yPos > pdf.internal.pageSize.getHeight() - margins.bottom - 60) { // Check space for table header pdf.addPage(); yPos = margins.top; } pdf.setFontSize(11); pdf.text("Amortization Schedule:", margins.left, yPos); pdf.autoTable({ html: '#mec-amortizationTable', startY: yPos + 15, theme: 'grid', headStyles: { fillColor: [0, 123, 255], textColor: 255, fontSize: 9 }, styles: { fontSize: 8, cellPadding: 3 }, columnStyles: { 0: { halign: 'center' } }, // Month column centered tableWidth: 'auto', margin: { left: margins.left, right: margins.right } }); pdf.save('Motorcycle_EMI_Report.pdf'); } catch (e) { alert("An error occurred during PDF generation: " + e.message + ". Check console."); console.error("PDF Generation Error:", e); } }