Monthly Cost Breakdown
| Method | Cost/Delivery | Capital | Maintenance | Energy | Labor | Total |
${tableRows}
`;
renderCostChart(breakdown);
attachDashboardListeners();
};
const renderCostChart = (breakdown) => {
const ctx = document.getElementById('cost-comparison-chart').getContext('2d');
if (charts.cost) charts.cost.destroy();
charts.cost = new Chart(ctx, {
type: 'bar',
data: {
labels: Object.keys(breakdown),
datasets: [
{ label: 'Capital', data: Object.values(breakdown).map(d => d.capitalCost), backgroundColor: '#60a5fa' },
{ label: 'Maintenance', data: Object.values(breakdown).map(d => d.maintenanceCost), backgroundColor: '#facc15' },
{ label: 'Energy', data: Object.values(breakdown).map(d => d.energyCost), backgroundColor: '#fb923c' },
{ label: 'Labor', data: Object.values(breakdown).map(d => d.laborCost), backgroundColor: '#f87171' },
]
},
options: { responsive: true, maintainAspectRatio: false, scales: { x: { stacked: true }, y: { stacked: true, ticks: { callback: (v) => formatCurrency(v, 0) } } }, plugins: { title: { display: true, text: 'Total Monthly Cost Comparison' } } }
});
};
const renderDataConfig = () => {
const configContent = document.getElementById('content-data-configuration');
if (!configContent) return;
const methodsHtml = Object.entries(appData.methods).map(([name, data]) => `
`).join('');
configContent.innerHTML = `
Delivery Method Parameters
${methodsHtml}
`;
attachConfigListeners();
};
// --- EVENT HANDLERS & LOGIC ---
const attachDashboardListeners = () => {
const handler = () => {
appData.inputs.deliveriesPerMonth = parseFloat(document.getElementById('deliveries-per-month').value) || 0;
appData.inputs.avgDistance = parseFloat(document.getElementById('avg-distance').value) || 0;
appData.results = null;
renderDashboard();
};
document.getElementById('deliveries-per-month').addEventListener('input', handler);
document.getElementById('avg-distance').addEventListener('input', handler);
document.getElementById('download-pdf-btn').addEventListener('click', generatePdf);
};
const attachConfigListeners = () => {
document.querySelectorAll('.config-input').forEach(input => {
input.addEventListener('change', e => {
const value = parseFloat(e.target.value);
if(e.target.dataset.method) {
const method = e.target.dataset.method;
const field = e.target.dataset.field;
appData.methods[method][field] = value;
} else {
if(e.target.id === 'energy-cost') appData.general.energyCostPerKWh = value;
if(e.target.id === 'labor-cost') appData.general.laborCostPerHour = value;
}
appData.results = null; // force recalculation
renderDashboard();
});
});
};
const generatePdf = () => {
loadingOverlay.style.display = 'flex';
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('Autonomous-Delivery-Cost-Analysis.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: 'Cost Dashboard', id: 'cost-dashboard' },
{ 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));
});
renderDashboard();
renderDataConfig();
switchTab(0);
};
initializeUI();
prevTabBtn.addEventListener('click', () => { if (activeTabIndex > 0) switchTab(activeTabIndex - 1); });
nextTabBtn.addEventListener('click', () => { if (activeTabIndex < tabIdentifiers.length - 1) switchTab(activeTabIndex + 1); });
});
