Shipped
${statusCounts['Shipped']}
Delivered
${statusCounts['Delivered']}
Avg. Fulfillment Time
${avgFulfillmentTime.toFixed(1)} days
Order Log
| Order ID | Customer | Date | Amount | Status |
${tableRows}
`;
renderStatusChart(statusCounts);
document.getElementById('download-pdf-btn').addEventListener('click', generatePdf);
};
const renderStatusChart = (statusCounts) => {
const ctx = document.getElementById('status-chart').getContext('2d');
if (charts.status) charts.status.destroy();
charts.status = new Chart(ctx, {
type: 'doughnut',
data: {
labels: STATUS_OPTIONS,
datasets: [{ data: STATUS_OPTIONS.map(s => statusCounts[s]), backgroundColor: ['#e0e7ff', '#fef3c7', '#bae6fd', '#d1fae5', '#fee2e2'] }]
},
options: { responsive: true, maintainAspectRatio: false, plugins: { title: { display: true, text: 'Orders by Status' }, legend: { position: 'bottom' } } }
});
};
const renderDataConfig = () => {
const configContent = document.getElementById('content-data-configuration');
if (!configContent) return;
const tableRows = appData.orders.map(o => `
|
|
|
|
|
|
`).join('');
configContent.innerHTML = `
Manage Order Records
| Order ID | Customer | Date | Amount | Status | |
${tableRows}
`;
attachConfigListeners();
};
// --- EVENT HANDLERS & LOGIC ---
const attachConfigListeners = () => {
const updateHandler = (e) => {
const id = parseInt(e.target.dataset.id);
const field = e.target.dataset.field;
const value = field === 'amount' ? parseFloat(e.target.value) : e.target.value;
const order = appData.orders.find(o => o.id === id);
if (order) order[field] = value;
appData.analysisResults = null;
renderDashboard();
};
document.querySelectorAll('.config-input').forEach(input => input.addEventListener('change', updateHandler));
document.querySelectorAll('.remove-order-btn').forEach(btn => btn.addEventListener('click', e => {
const id = parseInt(e.currentTarget.dataset.id);
appData.orders = appData.orders.filter(o => o.id !== id);
appData.analysisResults = null;
renderDataConfig();
renderDashboard();
}));
document.getElementById('add-order-btn').addEventListener('click', () => {
const newId = appData.orders.length > 0 ? Math.max(...appData.orders.map(o => o.id)) + 1 : 1;
appData.orders.push({
id: newId, orderId: `US-${Math.floor(Math.random() * 9000) + 1000}`,
customer: 'New Customer', date: new Date().toISOString().split('T')[0], amount: 0,
status: 'Order Received', shippedDate: null, deliveredDate: null
});
renderDataConfig();
});
};
const generatePdf = () => {
loadingOverlay.style.display = 'flex';
const { jsPDF } = window.jspdf;
document.getElementById('pdf-generated-date').textContent = new Date().toLocaleDateString('en-US');
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('Order-Fulfillment-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: 'Fulfillment Dashboard', id: 'fulfillment-dashboard' },
{ name: 'Order Data Configuration', id: 'data-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();
renderDataConfig();
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); });
});
