`;
const ctx = document.getElementById('activity-chart').getContext('2d');
if (activityChart) activityChart.destroy();
activityChart = new Chart(ctx, {
type: 'bar',
data: {
labels: ['Buy Volume', 'Sell Volume'],
datasets: [{
label: 'Shares Traded',
data: [analysisResults.buyShares, analysisResults.sellShares],
backgroundColor: ['#16a34a', '#dc2626'],
}]
},
options: { responsive: true, maintainAspectRatio: false, plugins: { legend: { display: false } } }
});
}
function renderTradesTable() {
document.getElementById('trades-title').textContent = `Recent Trades for ${currentTicker}`;
const container = document.getElementById('trades-table-container');
if (analysisResults.trades.length === 0) {
container.innerHTML = `
No insider trading data found for ${currentTicker}.
`;
return;
}
const rows = analysisResults.trades.map(t => `
| ${t.date} |
${t.insider} (${t.relationship}) |
${t.type} |
${t.shares.toLocaleString()} |
$${t.value.toLocaleString()} |
`).join('');
container.innerHTML = `
| Date | Insider | Type | Shares | Value |
|---|
${rows}
`;
}
// --- EVENT LISTENERS ---
analyzeBtn.addEventListener('click', () => {
const ticker = tickerInput.value.trim().toUpperCase();
if (ticker) {
currentTicker = ticker;
analyzeData();
switchTab(0);
}
});
// --- PDF GENERATION ---
async function generatePdfReport() {
downloadPdfBtn.disabled = true;
downloadPdfBtn.textContent = 'Generating...';
const tableRows = analysisResults.trades.map(t => `
| ${t.date} | ${t.insider} (${t.relationship}) |
${t.type} |
${t.shares.toLocaleString()} |
$${t.value.toLocaleString()} |
`).join('');
const reportHtml = `
NET SHARES (3 MO)
${analysisResults.netShares.toLocaleString()}
TOTAL VALUE
$${(analysisResults.totalValue / 1_000_000).toFixed(2)}M
ACTIVE INSIDERS
${analysisResults.insiders}
RECENT TRANSACTIONS
| Date | Insider | Type | Shares | Value |
|---|
${tableRows}
`;
const pdfTemplate = document.getElementById('pdf-template');
pdfTemplate.innerHTML = reportHtml;
pdfTemplate.classList.remove('invisible');
setTimeout(async () => {
try {
const { jsPDF } = window.jspdf;
const canvas = await html2canvas(pdfTemplate.querySelector('.pdf-report-container'), { scale: 2 });
const imgData = canvas.toDataURL('image/png');
const pdf = new jsPDF({ orientation: 'p', unit: 'pt', format: 'a4' });
const pdfWidth = pdf.internal.pageSize.getWidth(), pdfHeight = (canvas.height * pdfWidth) / canvas.width;
pdf.addImage(imgData, 'PNG', 0, 0, pdfWidth, pdfHeight);
pdf.save(`Insider_Trading_Report_${currentTicker}.pdf`);
} catch (e) { console.error('PDF Generation Error:', e); } finally {
downloadPdfBtn.disabled = false;
downloadPdfBtn.textContent = 'Download PDF Report';
pdfTemplate.classList.add('invisible');
pdfTemplate.innerHTML = '';
}
}, 500);
}
downloadPdfBtn.addEventListener('click', generatePdfReport);
// --- INITIALIZATION ---
analyzeData();
switchTab(0);
});
