AI is thinking...

'; const prompt = `Summarize the following notes in a clear, concise, and easy-to-read format. Use bullet points for key takeaways if appropriate:\n\n---\n\n${originalText}`; const payload = { contents: [{ role: "user", parts: [{ text: prompt }] }] }; try { const response = await fetch(API_URL, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify(payload) }); if (!response.ok) { throw new Error(`API request failed with status ${response.status}`); } const result = await response.json(); if (result.candidates && result.candidates.length > 0) { const summaryText = result.candidates[0].content.parts[0].text; displaySummary(summaryText); lastResult = { original: originalText, summary: summaryText }; } else { throw new Error("No summary was returned from the AI."); } } catch (error) { console.error("Error during summarization:", error); errorMessage.textContent = `An error occurred: ${error.message}. Please try again.`; summaryOutputDiv.innerHTML = '

Failed to generate summary.

'; } finally { setLoadingState(false); } }; /** * Renders the summary in the UI. * @param {string} summaryText - The AI-generated summary. */ const displaySummary = (summaryText) => { // A simple conversion of markdown-like lists to HTML const htmlText = summaryText .replace(/^\* (.*$)/gm, '

$1

') .replace(/^(?! `

${match}

`); summaryOutputDiv.innerHTML = `

${htmlText}

`; downloadSection.classList.remove('hidden'); }; /** * Generates and triggers the download of a PDF report. */ const generatePdf = () => { if (!lastResult) return; const { jsPDF } = window.jspdf; const doc = new jsPDF({ unit: 'pt', format: 'a4' }); const margin = 40; const usableWidth = doc.internal.pageSize.getWidth() - margin * 2; let currentY = margin; const addSection = (title, text, isSummary = false) => { doc.setFontSize(isSummary ? 16 : 14); doc.setFont('helvetica', 'bold'); doc.text(title, margin, currentY); currentY += 20; doc.setFontSize(11); doc.setFont('helvetica', 'normal'); const lines = doc.splitTextToSize(text, usableWidth); doc.text(lines, margin, currentY); currentY += (lines.length * 12) + 25; }; addSection("Original Notes", lastResult.original); doc.addPage(); currentY = margin; addSection("AI-Generated Summary", lastResult.summary, true); doc.save('AI_Summary_Report.pdf'); }; // --- EVENT LISTENERS --- summarizeBtn.addEventListener('click', handleSummarization); downloadPdfBtn.addEventListener('click', generatePdf); });