Unplaced Items
${unplacedItems.reduce((s,i) => s + i.quantity, 0)}
Wasted Space (cu in)
${formatNumber(wastedSpace)}
Optimized Warehouse Layout
A-Items
B-Items
C-Items
Empty
${warehouseHtml}
`;
document.getElementById('download-pdf-btn').addEventListener('click', generatePdf);
};
const renderConfig = () => {
const configContent = document.getElementById('content-configuration');
if (!configContent) return;
const productsHtml = appData.products.map((p, i) => `
|
|
|
|
|
|
|
`).join('');
configContent.innerHTML = `
`;
attachConfigListeners();
};
const attachConfigListeners = () => {
document.getElementById('add-product-btn').addEventListener('click', () => {
appData.products.push({ id: Date.now(), name: '', w: 0, d: 0, h: 0, velocity: 'C', quantity: 0 });
renderConfig();
lucide.createIcons();
});
document.getElementById('products-container').addEventListener('click', e => {
const removeBtn = e.target.closest('.remove-product-btn');
if (removeBtn) {
appData.products.splice(parseInt(removeBtn.dataset.index), 1);
renderConfig();
lucide.createIcons();
}
});
document.getElementById('update-btn').addEventListener('click', handleConfigUpdate);
};
const handleConfigUpdate = () => {
appData.warehouse = {
aisles: parseInt(document.getElementById('wh-aisles').value) || 1,
racksPerAisle: parseInt(document.getElementById('wh-racks').value) || 1,
shelvesPerRack: parseInt(document.getElementById('wh-shelves').value) || 1,
binCapacity: parseInt(document.getElementById('wh-capacity').value) || 1,
};
appData.products = Array.from(document.querySelectorAll('.product-row')).map((row, i) => ({
id: appData.products[i].id,
name: row.querySelector('[data-field="name"]').value,
w: parseInt(row.querySelector('[data-field="w"]').value) || 0,
d: parseInt(row.querySelector('[data-field="d"]').value) || 0,
h: parseInt(row.querySelector('[data-field="h"]').value) || 0,
quantity: parseInt(row.querySelector('[data-field="quantity"]').value) || 0,
velocity: row.querySelector('[data-field="velocity"]').value
}));
optimizationResult = null;
renderDashboard();
alert('Configuration saved and optimization re-run!');
switchTab(0);
};
const generatePdf = () => {
if (!optimizationResult) return;
loadingOverlay.style.display = 'flex';
const { jsPDF } = window.jspdf;
const pdfContent = document.getElementById('pdf-content-area');
const pdfHeader = document.getElementById('pdf-header');
pdfHeader.classList.remove('hidden');
html2canvas(pdfContent, { scale: 2, useCORS: true, logging: false })
.then(canvas => {
pdfHeader.classList.add('hidden');
const imgData = canvas.toDataURL('image/jpeg', 0.95);
const pdf = new jsPDF({ orientation: 'landscape', unit: 'px', format: 'a4' });
const pdfWidth = pdf.internal.pageSize.getWidth();
const imgProps = pdf.getImageProperties(imgData);
const imgHeight = (imgProps.height * pdfWidth) / imgProps.width;
pdf.addImage(imgData, 'JPEG', 0, 0, pdfWidth, imgHeight);
pdf.save('Warehouse-Optimization-Report.pdf');
loadingOverlay.style.display = 'none';
}).catch(err => {
console.error("PDF generation failed:", err);
pdfHeader.classList.add('hidden');
loadingOverlay.style.display = 'none';
alert('An error occurred generating the PDF.');
});
};
// --- TAB NAVIGATION & INITIALIZATION ---
const switchTab = (tabIndex) => {
activeTabIndex = tabIndex;
document.querySelectorAll('.tab-btn').forEach((btn, i) => btn.classList.toggle('active', i === tabIndex));
document.querySelectorAll('.tab-content').forEach((content, i) => content.classList.toggle('hidden', i !== tabIndex));
updateNavButtons();
};
const updateNavButtons = () => {
prevTabBtn.disabled = activeTabIndex === 0;
nextTabBtn.disabled = activeTabIndex === tabIdentifiers.length - 1;
};
const initializeUI = () => {
const tabs = [ { name: 'Optimization Dashboard', id: 'dashboard' }, { name: 'Configuration', id: 'configuration' } ];
tabIdentifiers = tabs.map(t => t.id);
tabsContainer.innerHTML = tabs.map(tab => `
`).join('');
mainContent.innerHTML = tabs.map(tab => `
`).join('');
tabs.forEach((tab, index) => document.getElementById(`tab-${tab.id}`).addEventListener('click', () => switchTab(index)));
renderDashboard();
renderConfig();
switchTab(0);
lucide.createIcons();
};
initializeUI();
prevTabBtn.addEventListener('click', () => { if (activeTabIndex > 0) switchTab(activeTabIndex - 1); });
nextTabBtn.addEventListener('click', () => { if (activeTabIndex < tabIdentifiers.length - 1) switchTab(activeTabIndex + 1); });
});
