`;
container.appendChild(el);
});
};
// --- EVENT HANDLERS ---
taxForm.addEventListener('submit', (e) => {
e.preventDefault();
const id = document.getElementById('record-id').value;
const newRecord = {
formName: document.getElementById('record-form-name').value,
period: document.getElementById('record-period').value,
dueDate: document.getElementById('record-due-date').value,
filingDate: document.getElementById('record-filing-date').value,
amount: parseFloat(document.getElementById('record-amount').value) || 0,
status: document.getElementById('record-status').value,
};
if (id) {
const index = taxRecords.findIndex(r => r.id == id);
taxRecords[index] = { ...taxRecords[index], ...newRecord };
} else {
newRecord.id = taxRecords.length > 0 ? Math.max(...taxRecords.map(r => r.id)) + 1 : 1;
taxRecords.push(newRecord);
}
resetForm();
renderAll();
});
recordListEditor.addEventListener('click', (e) => {
if (e.target.classList.contains('edit-btn')) {
const id = e.target.dataset.recordId;
const record = taxRecords.find(r => r.id == id);
if (record) populateFormForEdit(record);
}
if (e.target.classList.contains('delete-btn')) {
const id = e.target.dataset.recordId;
if (confirm('Are you sure you want to delete this record?')) {
taxRecords = taxRecords.filter(r => r.id != id);
renderAll();
}
}
});
cancelEditBtn.addEventListener('click', resetForm);
downloadPdfBtn.addEventListener('click', () => {
const exportArea = document.getElementById('dashboard-export-area');
const mainTitleEl = document.querySelector('#tax-tool-container h1');
if (!exportArea || !mainTitleEl) return;
const originalBtnText = downloadPdfBtn.innerHTML;
downloadPdfBtn.disabled = true;
downloadPdfBtn.innerHTML = `
Processing...`;
html2canvas(exportArea, { scale: 2, useCORS: true, windowWidth: exportArea.scrollWidth, windowHeight: exportArea.scrollHeight })
.then(canvas => {
const { jsPDF } = window.jspdf;
const imgData = canvas.toDataURL('image/png');
const pdf = new jsPDF({ orientation: 'landscape', unit: 'mm', format: 'a4' });
const pageMargin = 15;
const pdfPageWidth = pdf.internal.pageSize.getWidth();
const pdfPageHeight = pdf.internal.pageSize.getHeight();
const pdfContentWidth = pdfPageWidth - (2 * pageMargin);
const canvasAspectRatio = canvas.width / canvas.height;
const pdfImgHeight = pdfContentWidth / canvasAspectRatio;
let yPos = pageMargin;
pdf.setFontSize(18).setFont('helvetica', 'bold');
pdf.text(mainTitleEl.innerText, pdfPageWidth / 2, yPos, { align: 'center' });
yPos += 12;
let heightLeft = pdfImgHeight;
let positionOnCanvas = 0;
pdf.addImage(imgData, 'PNG', pageMargin, yPos, pdfContentWidth, pdfImgHeight);
heightLeft -= (pdfPageHeight - yPos - pageMargin);
while (heightLeft > 0) {
positionOnCanvas -= (pdfPageHeight - (2 * pageMargin));
pdf.addPage();
pdf.addImage(imgData, 'PNG', pageMargin, positionOnCanvas + pageMargin, pdfContentWidth, pdfImgHeight);
heightLeft -= (pdfPageHeight - (2 * pageMargin));
}
pdf.save(`tax-compliance-dashboard-${new Date().toISOString().slice(0,10)}.pdf`);
})
.catch(err => { console.error("PDF generation failed:", err); alert("Error generating PDF."); })
.finally(() => {
downloadPdfBtn.disabled = false;
downloadPdfBtn.innerHTML = originalBtnText;
});
});
// --- HELPER FUNCTIONS ---
function populateFormForEdit(record) {
document.getElementById('record-id').value = record.id;
document.getElementById('record-form-name').value = record.formName;
document.getElementById('record-period').value = record.period;
document.getElementById('record-due-date').value = record.dueDate;
document.getElementById('record-filing-date').value = record.filingDate;
document.getElementById('record-amount').value = record.amount;
document.getElementById('record-status').value = record.status;
taxForm.querySelector('button[type="submit"]').textContent = 'Update Record';
cancelEditBtn.classList.remove('hidden');
taxForm.scrollIntoView({ behavior: 'smooth' });
}
function resetForm() {
taxForm.reset();
document.getElementById('record-id').value = '';
taxForm.querySelector('button[type="submit"]').textContent = 'Add Record';
cancelEditBtn.classList.add('hidden');
}
// --- INITIALIZATION ---
const switchTab = (tabName) => {
if (tabName === 'dashboard') {
tabDashboardBtn.classList.add('active');
tabConfigBtn.classList.remove('active');
tabDashboardContent.classList.remove('hidden');
tabConfigContent.classList.add('hidden');
prevTabBtn.disabled = true;
nextTabBtn.disabled = false;
} else {
tabDashboardBtn.classList.remove('active');
tabConfigBtn.classList.add('active');
tabDashboardContent.classList.add('hidden');
tabConfigContent.classList.remove('hidden');
prevTabBtn.disabled = false;
nextTabBtn.disabled = true;
}
};
tabDashboardBtn.addEventListener('click', () => switchTab('dashboard'));
tabConfigBtn.addEventListener('click', () => switchTab('config'));
prevTabBtn.addEventListener('click', () => switchTab('dashboard'));
nextTabBtn.addEventListener('click', () => switchTab('config'));
switchTab('dashboard');
renderAll();
});
