Could not generate AI analysis. Please try again.

"; if (result.candidates && result.candidates[0] && result.candidates[0].content && result.candidates[0].content.parts[0]) { text = result.candidates[0].content.parts[0].text; } aiContainer.innerHTML = text; } catch (error) { console.error("Error fetching AI insights:", error); aiContainer.innerHTML = `

Error generating AI insights.

`; } }; // --- PDF Export Logic --- /** * Exports the visible analysis summary (performance table, chart, and AI insights) to a PDF document. */ window.downloadPDF = async () => { // Make it global for onclick attribute const btn = document.getElementById('pdf-button-container')?.querySelector('button'); if (!btn) return; btn.disabled = true; btn.textContent = 'Generating PDF...'; const content = document.getElementById('summary-for-pdf'); if (!content) { showMessageBox("PDF Error", "Content for PDF not found."); btn.disabled = false; btn.textContent = 'Download Analysis as PDF'; return; } try { // Temporarily adjust chart and table sizes for better PDF rendering const chartCanvas = pnlTrendChartCanvas; const originalChartWidth = chartCanvas.style.width; const originalChartHeight = chartCanvas.style.height; chartCanvas.style.width = '1000px'; // Larger size for better quality capture chartCanvas.style.height = '500px'; if (pnlChartInstance) { pnlChartInstance.resize(); // Trigger Chart.js to redraw with new dimensions } const summaryTable = performanceSummaryTable; const originalTableWidth = summaryTable.style.width; summaryTable.style.width = 'fit-content'; // Allow table to expand naturally for capture const canvas = await html2canvas(content, { scale: 2, // Increase scale for better resolution useCORS: true, logging: false, backgroundColor: '#ffffff' // Ensure the background is white for PDF }); // Restore original chart and table sizes chartCanvas.style.width = originalChartWidth; chartCanvas.style.height = originalChartHeight; if (pnlChartInstance) { pnlChartInstance.resize(); } summaryTable.style.width = originalTableWidth; const imgData = canvas.toDataURL('image/png'); const { jsPDF } = window.jspdf; // Determine orientation based on content width. If the captured canvas is very wide, use landscape. const orientation = canvas.width > canvas.height * 1.5 ? 'landscape' : 'portrait'; const pdf = new jsPDF({ orientation: orientation, unit: 'mm', format: 'a4' }); const pdfWidth = pdf.internal.pageSize.getWidth(); const pdfHeight = pdf.internal.pageSize.getHeight(); const imgWidth = pdfWidth - 20; // 10mm margin on each side let imgHeight = (canvas.height * imgWidth) / canvas.width; let finalImgWidth = imgWidth; let finalImgHeight = imgHeight; if (finalImgHeight > pdfHeight - 20) { // If image is taller than page height finalImgHeight = pdfHeight - 20; finalImgWidth = (canvas.width * finalImgHeight) / canvas.height; } const x = (pdfWidth - finalImgWidth) / 2; const y = (pdfHeight - finalImgHeight) / 2; pdf.addImage(imgData, 'PNG', x, y, finalImgWidth, finalImgHeight); pdf.save(`Market_Making_Simulation_Analysis_${new Date().toISOString().slice(0, 10)}.pdf`); showMessageBox("PDF Generated", "Your Market Making Strategy Simulation analysis PDF has been successfully downloaded."); } catch(e) { console.error("PDF Generation Error: ", e); showMessageBox("PDF Error", "An error occurred while generating the PDF. Please ensure all content is visible and try again."); } finally { btn.disabled = false; btn.textContent = 'Download Analysis as PDF'; } }; // --- Initial Setup --- // No initial simulation run, user explicitly clicks. });