No sessions logged yet. Add one from the 'Log Session' tab.

`; return; } let tableHTML = ``; [...data].reverse().slice(0, 10).forEach(entry => { // Show 10 most recent tableHTML += ``; }); tableHTML += `

Date	Type	Duration (min)	Temp (°F)
${new Date(entry.date).toLocaleDateString()}	${entry.type}	${entry.duration}	${entry.temp !== null ? entry.temp : '-'}

`; container.innerHTML = tableHTML; } function downloadPdf() { if (exposureData.length === 0) { alert("No data to download. Please log at least one session."); return; } const { jsPDF } = window.jspdf; const doc = new jsPDF(); // Header doc.setFontSize(22); doc.setFont('helvetica', 'bold'); doc.text('Cold Exposure Progress Report', 105, 20, { align: 'center' }); // Charts if (durationChart && tempChart) { doc.setFontSize(16); doc.text('Visual Overview (Last 30 Sessions)', 14, 40); const durationImg = durationChart.toBase64Image(); const tempImg = tempChart.toBase64Image(); doc.addImage(durationImg, 'PNG', 14, 45, 90, 60); doc.addImage(tempImg, 'PNG', 108, 45, 90, 60); } // Log Table doc.addPage(); doc.setFontSize(16); doc.text('Detailed Session Log', 14, 20); const tableData = exposureData.map(entry => [ new Date(entry.date).toLocaleDateString(), entry.type, entry.duration, entry.temp !== null ? entry.temp : '-' ]); doc.autoTable({ startY: 25, head: [['Date', 'Type', 'Duration (min)', 'Temp (°F)']], body: tableData, theme: 'grid', headStyles: { fillColor: [14, 165, 233] } // sky-500 }); doc.save('Cold-Exposure-Report.pdf'); } // --- EVENT LISTENERS --- Object.keys(tabButtons).forEach(key => { tabButtons[key].addEventListener('click', () => switchTab(key)); }); saveBtn.addEventListener('click', saveEntry); downloadBtn.addEventListener('click', downloadPdf); // --- INITIALIZATION --- document.getElementById('entry-date').valueAsDate = new Date(); });