${createSummaryCard(summary.bestValue, 'Best Value', 'star', 'best-value-card')}
${createSummaryCard(summary.fastest, 'Fastest', 'zap', 'fastest-card')}
${createSummaryCard(summary.cheapest, 'Cheapest', 'dollar-sign', 'cheapest-card')}
All Options
| Carrier | Est. Delivery | Shipping Cost | Est. Duties | Total Cost |
${options.map(o => `| ${o.name} | ${o.deliveryTime.toFixed(1)} days | ${formatCurrency(o.shippingCost)} | ${formatCurrency(o.estimatedDuties)} | ${formatCurrency(o.totalCost)} |
`).join('')}
`;
document.getElementById('origin-country').value = appData.inputs.origin;
document.getElementById('dest-country').value = appData.inputs.destination;
lucide.createIcons();
attachOptimizerListeners();
};
const createSummaryCard = (option, title, icon, cardClass) => {
if(!option) return '
';
return `
${title}
${option.name}
${formatCurrency(option.totalCost)}
${option.deliveryTime.toFixed(1)} days
`;
};
const renderDataConfig = () => {
const configContent = document.getElementById('content-data-configuration');
if (!configContent) return;
const carriersHtml = appData.carriers.map(c => `
|
|
|
|
`).join('');
configContent.innerHTML = `
Configure Carrier Rates
| Carrier | Base ($) | Per kg ($) | Time Factor |
${carriersHtml}
`;
attachConfigListeners();
};
// --- EVENT HANDLERS & LOGIC ---
const attachOptimizerListeners = () => {
const handler = () => {
appData.inputs.origin = document.getElementById('origin-country').value;
appData.inputs.destination = document.getElementById('dest-country').value;
appData.inputs.weight = parseFloat(document.getElementById('package-weight').value) || 0;
appData.inputs.value = parseFloat(document.getElementById('package-value').value) || 0;
calculateOptions();
renderOptimizer();
};
document.querySelectorAll('.input-field').forEach(input => input.addEventListener('change', handler));
document.getElementById('download-pdf-btn').addEventListener('click', generatePdf);
};
const attachConfigListeners = () => {
document.querySelectorAll('.carrier-input').forEach(input => {
input.addEventListener('change', e => {
const name = e.target.dataset.name;
const field = e.target.dataset.field;
const value = e.target.type === 'number' ? parseFloat(e.target.value) : e.target.value;
const carrier = appData.carriers.find(c => c.name === name);
if (carrier) carrier[field] = value;
appData.results = null; // force recalculation
renderOptimizer();
});
});
};
const generatePdf = () => {
loadingOverlay.style.display = 'flex';
const { jsPDF } = window.jspdf;
document.getElementById('pdf-generated-date').textContent = new Date().toLocaleDateString('en-US');
document.getElementById('pdf-subheader').textContent = `From ${appData.inputs.origin} to ${appData.inputs.destination} for a ${appData.inputs.weight}kg package valued at ${formatCurrency(appData.inputs.value)}.`;
const pdfHeader = document.getElementById('pdf-header');
pdfHeader.classList.remove('hidden');
const fullContent = document.getElementById('pdf-content-area');
html2canvas(fullContent, { scale: 2, useCORS: true, logging: false, windowWidth: 1200 })
.then(canvas => {
pdfHeader.classList.add('hidden');
const imgData = canvas.toDataURL('image/jpeg', 0.9);
const pdf = new jsPDF({ orientation: 'portrait', unit: 'px', format: 'a4' });
const pdfWidth = pdf.internal.pageSize.getWidth();
const imgProps = pdf.getImageProperties(imgData);
const imgHeight = (imgProps.height * pdfWidth) / imgProps.width;
pdf.addImage(imgData, 'JPEG', 0, 0, pdfWidth, imgHeight);
pdf.save('Shipping-Quote.pdf');
loadingOverlay.style.display = 'none';
}).catch(err => {
console.error("PDF generation failed:", err);
pdfHeader.classList.add('hidden');
loadingOverlay.style.display = 'none';
alert('An error occurred generating the PDF.');
});
};
// --- TAB NAVIGATION & INITIALIZATION ---
const switchTab = (tabIndex) => {
activeTabIndex = tabIndex;
document.querySelectorAll('.tab-btn').forEach((btn, i) => btn.classList.toggle('active', i === tabIndex));
document.querySelectorAll('.tab-content').forEach((content, i) => content.classList.toggle('hidden', i !== tabIndex));
updateNavButtons();
};
const updateNavButtons = () => {
prevTabBtn.disabled = activeTabIndex === 0;
nextTabBtn.disabled = activeTabIndex === tabIdentifiers.length - 1;
};
const initializeUI = () => {
const tabs = [
{ name: 'Shipping Optimizer', id: 'shipping-optimizer' },
{ name: 'Data Configuration', id: 'data-configuration' }
];
tabIdentifiers = tabs.map(t => t.id);
tabsContainer.innerHTML = tabs.map(tab => `
`).join('');
mainContent.innerHTML = tabs.map(tab => `
`).join('');
tabs.forEach((tab, index) => {
document.getElementById(`tab-${tab.id}`).addEventListener('click', () => switchTab(index));
});
renderOptimizer();
renderDataConfig();
switchTab(0);
};
initializeUI();
prevTabBtn.addEventListener('click', () => { if (activeTabIndex > 0) switchTab(activeTabIndex - 1); });
nextTabBtn.addEventListener('click', () => { if (activeTabIndex < tabIdentifiers.length - 1) switchTab(activeTabIndex + 1); });
});
