Add products from the dashboard to compare prices across airports.

'; return; } const productsToCompare = dutyFreeData.filter(d => comparisonList.includes(d.id)); const uniqueProductNames = [...new Set(productsToCompare.map(p => p.name))]; let tableHTML = ''; const airports = [...new Set(productsToCompare.map(p => p.airport))].sort(); airports.forEach(a => { tableHTML += ``; }); tableHTML += ''; uniqueProductNames.forEach(name => { tableHTML += ``; airports.forEach(airport => { const product = productsToCompare.find(p => p.name === name && p.airport === airport); tableHTML += ``; }); tableHTML += ''; }); tableHTML += '

Product	${a}
${name}	${product ? `$${product.price}` : 'N/A'}

'; comparisonTableContainer.innerHTML = tableHTML; } function renderConfigTable() { configTbody.innerHTML = dutyFreeData.map(d => ` `).join(''); } window.updateConfig = function(element) { const { id, prop } = element.dataset; const value = prop === 'price' ? parseFloat(element.value) : element.value; const deal = dutyFreeData.find(d => d.id == id); if (deal) { deal[prop] = value; applyFilters(); populateFilters(); } } // --- TAB & NAVIGATION --- window.openTab = function(evt, tabName) { if (tabName === 'comparison') renderComparisonTable(); const tabContents = document.getElementsByClassName("tab-content"); Array.from(tabContents).forEach(tab => tab.style.display = "none"); const tabButtons = document.getElementsByClassName("tab-btn"); Array.from(tabButtons).forEach(btn => btn.classList.remove("active")); document.getElementById(tabName).style.display = "block"; if (evt) { evt.currentTarget.classList.add("active"); } else { const btnToActivate = Array.from(tabButtons).find(btn => btn.getAttribute('onclick').includes(`'${tabName}'`)); if (btnToActivate) btnToActivate.classList.add("active"); } updateNavButtons(); } window.navigateTabs = function(direction) { const tabs = Array.from(document.querySelectorAll('.tab-btn')); const activeTabIndex = tabs.findIndex(tab => tab.classList.contains('active')); let newIndex = (direction === 'next') ? (activeTabIndex + 1) % tabs.length : (activeTabIndex - 1 + tabs.length) % tabs.length; tabs[newIndex].click(); } function updateNavButtons() { const tabs = Array.from(document.querySelectorAll('.tab-btn')); const activeTabIndex = tabs.findIndex(tab => tab.classList.contains('active')); document.getElementById('prev-btn').style.visibility = activeTabIndex === 0 ? 'hidden' : 'visible'; document.getElementById('next-btn').style.visibility = activeTabIndex === tabs.length - 1 ? 'hidden' : 'visible'; } // --- PDF DOWNLOAD --- if(downloadPdfBtn) { downloadPdfBtn.addEventListener('click', function() { const { jsPDF } = window.jspdf; const contentToDownload = document.getElementById('comparison-to-download'); if (!contentToDownload || comparisonList.length === 0) { console.warn("Please select products to compare before downloading."); return; } const originalButtonText = downloadPdfBtn.innerHTML; downloadPdfBtn.innerHTML = 'Generating...'; downloadPdfBtn.disabled = true; html2canvas(contentToDownload, { scale: 2, useCORS: true }).then(canvas => { const imgData = canvas.toDataURL('image/png'); const pdf = new jsPDF({ orientation: 'l', unit: 'mm', format: 'a4' }); const pdfWidth = pdf.internal.pageSize.getWidth(); const imgProps = pdf.getImageProperties(imgData); const imgHeight = (imgProps.height * pdfWidth) / imgProps.width; pdf.addImage(imgData, 'PNG', 10, 10, pdfWidth - 20, imgHeight > 0 ? imgHeight - 20 : 0); pdf.save('Duty-Free-Price-Comparison.pdf'); }).catch(err => { console.error("Error generating PDF:", err); }).finally(() => { downloadPdfBtn.innerHTML = originalButtonText; downloadPdfBtn.disabled = false; }); }); } // --- INITIALIZATION --- function initializeTool() { populateFilters(); applyFilters(); renderConfigTable(); updateNavButtons(); } initializeTool(); });