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"; } else { console.log("BVE DOM elements loaded successfully."); } }); function formatCurrencyBVE(value) { const num = Number(value); if (isNaN(num)) return "0.00"; // For depreciation, it's possible value could be negative if model allows appreciation for age 0 + excellent. // However, our model is for depreciation. Let's ensure value is non-negative for currency. // Math.abs() will be applied to value before formatting if negative values are not desired in output. // For this tool, estimated value can be positive, depreciation also. return num.toLocaleString('en-US', { minimumFractionDigits: 2, maximumFractionDigits: 2 }); } function calculateValueBVE() { console.log("BVE calculateValueBVE called"); if (!originalPriceInBVE || !vehicleAgeInBVE || !vehicleConditionInBVE || !estimatedValueOutBVE || !totalDepreciationOutBVE || !resultsSectionBVE) { console.error("BVE: Missing one or more elements for calculation."); alert("Error: Calculator elements not found. Please refresh."); return; } const originalPrice = parseFloat(originalPriceInBVE.value); const age = parseInt(vehicleAgeInBVE.value); const condition = vehicleConditionInBVE.value; if (isNaN(originalPrice) || originalPrice <= 0) { alert("Please enter a valid Original Purchase Price greater than 0."); return; } if (isNaN(age) || age < 0) { alert("Please enter a valid Vehicle Age (0 or positive)."); return; } let currentValue = originalPrice; // 1. Age-based Depreciation if (age > 0) { // Year 1 depreciation currentValue -= originalPrice * 0.20; if (currentValue < 0) currentValue = 0; // Years 2 through age for (let i = 2; i <= age; i++) { if (currentValue === 0) break; // No more value to depreciate let yearlyDepreciationRate = 0.10; // Default for year 6+ if (i <= 5) { // Year 2-5 yearlyDepreciationRate = 0.15; } currentValue -= currentValue * yearlyDepreciationRate; if (currentValue < 0) currentValue = 0; } } // Ensure currentValue isn't negative after loops, though individual steps try to cap at 0. if (currentValue < 0) currentValue = 0; // 2. Condition Adjustment let conditionMultiplier = 1.0; switch (condition) { case "Excellent": conditionMultiplier = 1.10; break; case "Good": conditionMultiplier = 1.00; break; case "Fair": conditionMultiplier = 0.90; break; case "Poor": conditionMultiplier = 0.75; break; } let estimatedValue = currentValue * conditionMultiplier; if (estimatedValue < 0) estimatedValue = 0; // Final safety check // If age is 0 and condition is Excellent, estimatedValue might exceed originalPrice. // For an "estimator", this is an edge case of the illustrative model. // Let's cap estimatedValue at originalPrice if age is 0 and multiplier would cause "appreciation". // Or, alternative: allow it to show, as it's purely illustrative. // For a depreciation estimator, value shouldn't really go above original. // Let's ensure estimated value is not more than original price if age is 0, unless specifically modeled as appreciation. // Our model doesn't include appreciation. So, if age = 0, estValue = originalPrice * conditionMultiplier. // If condition "Excellent" (1.10), estValue > originalPrice. // This might be confusing. Let's cap it for age 0: if (age === 0 && estimatedValue > originalPrice) { //estimatedValue = originalPrice; // Cap at original for "Excellent" age 0. // OR, for a depreciation tool, if Excellent condition at Age 0, it means it RETAINED value. // The note clarifies it's illustrative. Allow the model to show this outcome. } const totalDepreciation = originalPrice - estimatedValue; // Ensure totalDepreciation is not negative if estimatedValue > originalPrice. const finalTotalDepreciation = (totalDepreciation >= 0) ? totalDepreciation : 0; // And if totalDepreciation is 0 due to appreciation, estimatedValue should reflect originalPrice + appreciation for consistency. // However, it's a depreciation calculator. If estValue > originalPrice, it means negative depreciation. // The simplest is to display calculated `totalDepreciation` as is (can be negative for age 0 + Excellent). // Or state "Appreciation" if negative. Let's stick to the calculation. estimatedValueOutBVE.textContent = `$${formatCurrencyBVE(estimatedValue)}`; totalDepreciationOutBVE.textContent = `$${formatCurrencyBVE(totalDepreciation)}`; // This can be negative calculatedValuesBVE = { originalPrice, age, condition, estimatedValue, totalDepreciation // Store potentially negative depreciation }; resultsSectionBVE.style.display = "block"; console.log("BVE Calculation successful:", calculatedValuesBVE); } function generatePdfBVE() { console.log("BVE generatePdfBVE called"); if (Object.keys(calculatedValuesBVE).length === 0 || !resultsSectionBVE || resultsSectionBVE.style.display === 'none') { alert('Please estimate the value first to generate a PDF summary.'); return; } if (typeof window.jspdf === 'undefined' || typeof window.jspdf.jsPDF === 'undefined') { alert('PDF generation library (jsPDF) is not loaded.'); console.error("BVE PDF: jsPDF library not found."); return; } const { jsPDF } = window.jspdf; const doc = new jsPDF(); if (typeof doc.autoTable !== 'function') { alert('PDF generation plugin (jsPDF-AutoTable) is not loaded.'); console.error("BVE PDF: doc.autoTable is not a function."); return; } try { doc.setFontSize(18); doc.setTextColor(54, 69, 79); // #36454F doc.text("Basic Vehicle Value Estimator Summary", 14, 22); doc.setFontSize(10); doc.setTextColor(108, 117, 125); doc.text(`Report Generated: ${new Date().toLocaleDateString()}`, 14, 28); let startY = 38; const tableTheme = 'grid'; const headFillColor = [112, 128, 144]; // Slate Gray #708090 const headTextColor = [255, 255, 255]; // White doc.setFontSize(12); doc.setTextColor(95, 111, 127); // Darker Slate Gray #5f6f7f doc.text("Inputs", 14, startY); startY += 7; doc.autoTable({ head: [['Parameter', 'Value']], body: [ ['Original Purchase Price', `$${formatCurrencyBVE(calculatedValuesBVE.originalPrice)}`], ['Vehicle Age', `${calculatedValuesBVE.age} Years`], ['Vehicle Condition', calculatedValuesBVE.condition] ], startY: startY, theme: tableTheme, headStyles: { fillColor: headFillColor, textColor: headTextColor }, styles: { fontSize: 10 } }); startY = doc.lastAutoTable.finalY + 12; doc.setFontSize(12); doc.setTextColor(95, 111, 127); doc.text("Illustrative Estimated Values", 14, startY); startY += 7; let depreciationText = `$${formatCurrencyBVE(calculatedValuesBVE.totalDepreciation)}`; if (calculatedValuesBVE.totalDepreciation < 0) { depreciationText += ` (Illustrative Appreciation)`; } doc.autoTable({ head: [['Description', 'Amount']], body: [ ['Estimated Current Value', `$${formatCurrencyBVE(calculatedValuesBVE.estimatedValue)}`], ['Total Depreciation', depreciationText] ], startY: startY, theme: tableTheme, headStyles: { fillColor: headFillColor, textColor: headTextColor }, styles: { fontSize: 10 }, columnStyles: { 1: { fontStyle: 'bold' } } }); startY = doc.lastAutoTable.finalY + 10; doc.setFontSize(9); doc.setTextColor(100); const noteText = "This is a highly simplified, illustrative estimate based on a generic depreciation model. It does not reflect actual market trade-in values, which vary significantly by make, model, mileage, region, and other factors."; const splitNote = doc.splitTextToSize(noteText, doc.internal.pageSize.getWidth() - 28); // 14 margin on each side doc.text(splitNote, 14, startY); doc.save("Basic_Vehicle_Value_Estimation.pdf"); console.log("BVE PDF generated and download initiated."); } catch (error) { console.error("BVE PDF Error:", error); alert("An error occurred while generating the PDF: " + error.message + "\nPlease check the console for more details (F12)."); } }