Est. Potential Liability
${formatCurrency(potentialLiability)}
State-by-State Analysis
| State | Your Sales | Your Transactions | Nexus Status | Reason |
${tableRows}
`;
document.getElementById('download-pdf-btn').addEventListener('click', generatePdf);
};
const renderDataConfig = () => {
const configContent = document.getElementById('content-data-configuration');
if (!configContent) return;
const tableRows = Object.entries(stateNexusData).map(([code, state]) => `
| ${state.name} |
|
|
`).join('');
configContent.innerHTML = `
`;
attachConfigListeners();
};
// --- EVENT HANDLERS & LOGIC ---
const attachConfigListeners = () => {
const handler = () => {
document.querySelectorAll('.config-input').forEach(input => {
const state = input.dataset.state;
const field = input.dataset.field;
if (!appData.salesData[state]) appData.salesData[state] = { sales: 0, transactions: 0 };
appData.salesData[state][field] = parseFloat(input.value) || 0;
});
const physicalStates = document.getElementById('physical-nexus-states').value.split(',').map(s => s.trim().toUpperCase()).filter(Boolean);
appData.physicalNexusStates = physicalStates;
appData.analysisResults = null;
renderDashboard();
};
document.querySelectorAll('.config-input').forEach(input => input.addEventListener('change', handler));
document.getElementById('physical-nexus-states').addEventListener('change', handler);
};
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: 'portrait', unit: 'px', format: 'a4' });
const pdfWidth = pdf.internal.pageSize.getWidth();
const imgProps = pdf.getImageProperties(imgData);
const imgHeight = (imgProps.height * pdfWidth) / imgProps.width;
let heightLeft = imgHeight;
let position = 0;
pdf.addImage(imgData, 'JPEG', 0, 0, pdfWidth, imgHeight);
heightLeft -= pdf.internal.pageSize.getHeight();
while(heightLeft > 0) {
position = heightLeft - imgHeight;
pdf.addPage();
pdf.addImage(imgData, 'JPEG', 0, position, pdfWidth, imgHeight);
heightLeft -= pdf.internal.pageSize.getHeight();
}
pdf.save('Tax-Compliance-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: 'Compliance Dashboard', id: 'compliance-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);
lucide.createIcons();
};
initializeUI();
prevTabBtn.addEventListener('click', () => { if (activeTabIndex > 0) switchTab(activeTabIndex - 1); });
nextTabBtn.addEventListener('click', () => { if (activeTabIndex < tabIdentifiers.length - 1) switchTab(activeTabIndex + 1); });
});
