`; document.getElementById('pdf-invoice-content').innerHTML = contentHTML; const pdfContainer = document.getElementById('pdf-container'); const { jsPDF } = window.jspdf; const button = document.getElementById('downloadPdfBtn'); button.textContent = 'Generating...'; button.disabled = true; pdfContainer.classList.remove('invisible'); try { const canvas = await html2canvas(pdfContainer, { scale: 2 }); const imgData = canvas.toDataURL('image/png'); const pdf = new jsPDF({ orientation: 'p', unit: 'mm', format: 'a4' }); const pdfWidth = pdf.internal.pageSize.getWidth(); const imgProps = pdf.getImageProperties(imgData); const imgHeight = (imgProps.height * pdfWidth) / imgProps.width; pdf.addImage(imgData, 'PNG', 0, 0, pdfWidth, imgHeight); pdf.save(`Invoice_${invoiceNumber}_${client.name}.pdf`); // Mark entries as invoiced currentInvoiceData.timeEntries.forEach(e => { const entry = state.entries.find(se => se.id === e.id); if(entry) entry.invoiced = true; }); currentInvoiceData.expenseEntries.forEach(e => { const entry = state.entries.find(se => se.id === e.id); if(entry) entry.invoiced = true; }); renderDashboard(); showToast('Invoice downloaded and entries marked as billed.'); } catch(error) { console.error("PDF generation error:", error); showToast('Failed to generate PDF.', false); } finally { button.textContent = 'Download Invoice as PDF'; button.disabled = false; pdfContainer.classList.add('invisible'); document.getElementById('invoice-preview-container').innerHTML = `

Invoice has been processed. Generate a new one.

`; document.getElementById('download-btn-container').style.display = 'none'; currentInvoiceData = null; } } // --- INITIALIZATION --- nextBtn.addEventListener('click', () => changeTab(currentTab + 1)); prevBtn.addEventListener('click', () => changeTab(currentTab - 1)); tabButtons.forEach(button => button.addEventListener('click', () => changeTab(parseInt(button.dataset.tab)))); renderAll(); renderConfigForm(); // Populate config form on load updateTabDisplay(); });