Down Payment Percent must be between 0 and 100.

"; reibDownloadPdfButtonElem.style.display = 'none'; return null; } const loanInterestRate = reibGetNumValue('reibLoanInterestRate', true); // Allow zero interest for cash or creative scenarios const loanTermYears = reibGetNumValue('reibLoanTermYears'); if ((downPaymentPercent < 100) && (isNaN(loanInterestRate) || isNaN(loanTermYears) || loanTermYears <=0 || loanInterestRate < 0 )) { reibBudgetSummaryOutputDiv.innerHTML = "

Loan Interest Rate and Term must be valid if not paying 100% down.

"; reibDownloadPdfButtonElem.style.display = 'none'; return null; } const downPaymentAmount = purchasePrice * (downPaymentPercent / 100); const loanAmount = purchasePrice - downPaymentAmount; const annualPropertyTaxes = reibGetNumValue('reibAnnualPropertyTaxes', true); const annualInsurance = reibGetNumValue('reibAnnualInsurance', true); const loanClosingCosts = reibGetNumValue('reibLoanClosingCosts', true); const inspectionFees = reibGetNumValue('reibInspectionFees', true); const initialRepairs = reibGetNumValue('reibInitialRepairs', true); const legalFees = reibGetNumValue('reibLegalFees', true); const utilitySetupFees = reibGetNumValue('reibUtilitySetupFees', true); const furnishingCosts = reibGetNumValue('reibFurnishingCosts', true); const otherAcquisitionCosts = reibGetNumValue('reibOtherAcquisitionCosts', true); const totalOtherUpfrontCosts = inspectionFees + initialRepairs + legalFees + utilitySetupFees + furnishingCosts + otherAcquisitionCosts + (loanAmount > 0 ? loanClosingCosts : 0); const totalUpfrontCapitalNeeded = downPaymentAmount + totalOtherUpfrontCosts; // Monthly Costs const monthlyPI = loanAmount > 0 ? calculateMortgage(loanAmount, loanInterestRate, loanTermYears) : 0; const monthlyTaxes = annualPropertyTaxes / 12; const monthlyInsurance = annualInsurance / 12; const hoaFeesMonthly = reibGetNumValue('reibHOAFeesMonthly', true); const utilitiesMonthly = reibGetNumValue('reibUtilitiesMonthly', true); const maintenanceReserveMonthly = reibGetNumValue('reibMaintenanceReserveMonthly', true); const totalMonthlyHoldingCosts = monthlyPI + monthlyTaxes + monthlyInsurance + hoaFeesMonthly + utilitiesMonthly + maintenanceReserveMonthly; const monthsOperatingReserve = reibGetNumValue('reibMonthsOperatingReserve', true); const operatingReserveAmount = totalMonthlyHoldingCosts * monthsOperatingReserve; const totalCapitalWithReserve = totalUpfrontCapitalNeeded + operatingReserveAmount; return { purchasePrice, downPaymentPercent, downPaymentAmount, loanAmount, loanInterestRate, loanTermYears, annualPropertyTaxes, annualInsurance, loanClosingCosts, inspectionFees, initialRepairs, legalFees, utilitySetupFees, furnishingCosts, otherAcquisitionCosts, totalOtherUpfrontCosts, totalUpfrontCapitalNeeded, monthlyPI, monthlyTaxes, monthlyInsurance, hoaFeesMonthly, utilitiesMonthly, maintenanceReserveMonthly, totalMonthlyHoldingCosts, monthsOperatingReserve, operatingReserveAmount, totalCapitalWithReserve }; } function reibCalculateAndDisplay() { if (!reibBudgetSummaryOutputDiv || !reibDownloadPdfButtonElem) { console.error("REIB: Summary output elements not found."); return; } const budget = reibCalculateBudget(); if (!budget) return; // Error message already handled in reibCalculateBudget reibBudgetSummaryOutputDiv.innerHTML = ` `; reibDownloadPdfButtonElem.style.display = 'inline-block'; } async function reibDownloadPDF() { const { jsPDF } = window.jspdf; if (typeof html2canvas === 'undefined' || typeof jsPDF === 'undefined') { alert('Error: PDF generation libraries not loaded.'); return; } const budget = reibCalculateBudget(); if (!budget) { alert("Cannot generate PDF: please ensure all inputs are valid and budget is calculated."); return; } const pdfContentWrapper = document.createElement('div'); pdfContentWrapper.className = 'reib-pdf-content-wrapper'; let inputsHTML = `

Property & Loan Details

`; inputsHTML += ``; inputsHTML += ``; inputsHTML += ``; inputsHTML += ``; inputsHTML += ``; inputsHTML += ``; inputsHTML += ``; let upfrontCostsHTML = `

Acquisition & Other Upfront Costs

`; if (budget.loanAmount > 0) upfrontCostsHTML += ``; upfrontCostsHTML += ``; upfrontCostsHTML += ``; upfrontCostsHTML += ``; upfrontCostsHTML += ``; upfrontCostsHTML += ``; upfrontCostsHTML += ``; upfrontCostsHTML += ``; let monthlyCostsHTML = `

Estimated Monthly Holding Costs

`; if (budget.loanAmount > 0) monthlyCostsHTML += ``; monthlyCostsHTML += ``; monthlyCostsHTML += ``; monthlyCostsHTML += ``; monthlyCostsHTML += ``; monthlyCostsHTML += ``; monthlyCostsHTML += ``; let summaryHTML = `

Budget Summary

`; summaryHTML += ``; summaryHTML += ``; summaryHTML += ``; pdfContentWrapper.innerHTML = `

Real Estate Investment Budget Plan

${inputsHTML} ${upfrontCostsHTML} ${monthlyCostsHTML} ${summaryHTML}

Report generated on: ${new Date().toLocaleDateString()} ${new Date().toLocaleTimeString()}

`; document.body.appendChild(pdfContentWrapper); try { const canvas = await html2canvas(pdfContentWrapper, { scale: 2, useCORS: true, backgroundColor: '#ffffff' }); const imgData = canvas.toDataURL('image/png'); const pdf = new jsPDF({ orientation: 'p', unit: 'pt', format: 'a4' }); const pdfWidth = pdf.internal.pageSize.getWidth(); const pdfHeight = pdf.internal.pageSize.getHeight(); const imgProps = pdf.getImageProperties(imgData); const ratio = Math.min((pdfWidth - 40) / imgProps.width, (pdfHeight - 40) / imgProps.height); pdf.addImage(imgData, 'PNG', (pdfWidth - imgProps.width * ratio) / 2, 20, imgProps.width * ratio, imgProps.height * ratio); pdf.save('Real_Estate_Investment_Budget.pdf'); } catch (error) { console.error("Error during PDF generation:", error); alert("An error occurred while generating the PDF."); } finally { document.body.removeChild(pdfContentWrapper); } }