`).join('');
}
const renderDataConfig = () => {
const configContent = document.getElementById('content-manage-shipments');
if (!configContent) return;
const cityOptionsHtml = Object.keys(CITIES).map(city => `
`).join('');
const tableRows = appData.shipments.map(s => `
|
|
|
|
|
`).join('');
configContent.innerHTML = `
Manage Shipments
| Tracking ID | Origin | Destination | Status | |
${tableRows}
`;
attachConfigListeners();
};
// --- EVENT HANDLERS & REAL-TIME SIMULATION ---
const attachConfigListeners = () => {
document.querySelectorAll('.config-input').forEach(input => input.addEventListener('change', e => {
const id = parseInt(e.target.dataset.id);
const field = e.target.dataset.field;
const value = e.target.value;
const shipment = appData.shipments.find(s => s.id === id);
if (shipment) shipment[field] = value;
appData.analysisResults = null;
}));
document.querySelectorAll('.remove-shipment-btn').forEach(btn => btn.addEventListener('click', e => {
const id = parseInt(e.currentTarget.dataset.id);
appData.shipments = appData.shipments.filter(s => s.id !== id);
appData.analysisResults = null;
renderDataConfig();
}));
document.getElementById('add-shipment-btn').addEventListener('click', () => {
const newId = appData.shipments.length > 0 ? Math.max(...appData.shipments.map(s => s.id)) + 1 : 1;
appData.shipments.push({ id: newId, trackingId: `1ZNEW${newId}`, origin: 'Los Angeles, CA', destination: 'New York, NY', status: 'Processing', progress: 0 });
renderDataConfig();
});
};
const startSimulation = () => {
if(simulationInterval) clearInterval(simulationInterval);
simulationInterval = setInterval(() => {
appData.shipments.forEach(shipment => {
if (shipment.status === 'In Transit' || shipment.status === 'Out for Delivery') {
shipment.progress += Math.random() * 5;
if (shipment.progress >= 80 && shipment.status === 'In Transit') {
shipment.status = 'Out for Delivery';
}
if (shipment.progress >= 100) {
shipment.progress = 100;
shipment.status = 'Delivered';
}
} else if (shipment.status === 'Processing') {
if (Math.random() < 0.2) shipment.status = 'In Transit';
}
});
appData.analysisResults = null;
if (activeTabIndex === 0) renderDashboard();
}, 2000); // Update every 2 seconds
};
const generatePdf = () => {
loadingOverlay.style.display = 'flex';
// Stop simulation to get a static image for the PDF
if(simulationInterval) clearInterval(simulationInterval);
const { jsPDF } = window.jspdf;
document.getElementById('pdf-generated-date').textContent = new Date().toLocaleString();
const pdfHeader = document.getElementById('pdf-header');
pdfHeader.classList.remove('hidden');
const fullContent = document.getElementById('pdf-content-area');
html2canvas(fullContent, { scale: 2, useCORS: true, logging: false, windowWidth: 1200 })
.then(canvas => {
pdfHeader.classList.add('hidden');
const imgData = canvas.toDataURL('image/jpeg', 0.9);
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('Shipment-Tracking-Report.pdf');
loadingOverlay.style.display = 'none';
startSimulation(); // Restart simulation
}).catch(err => {
console.error("PDF generation failed:", err);
pdfHeader.classList.add('hidden');
loadingOverlay.style.display = 'none';
alert('An error occurred generating the PDF.');
startSimulation(); // Restart simulation
});
};
// --- 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: 'Tracking Map', id: 'tracking-map' },
{ name: 'Manage Shipments', id: 'manage-shipments' }
];
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();
renderDataConfig();
switchTab(0);
startSimulation();
};
initializeUI();
prevTabBtn.addEventListener('click', () => { if (activeTabIndex > 0) switchTab(activeTabIndex - 1); });
nextTabBtn.addEventListener('click', () => { if (activeTabIndex < tabIdentifiers.length - 1) switchTab(activeTabIndex + 1); });
});
