Recent Reviews
| Customer | Feedback | Sentiment |
|---|
${tableRows}
`;
renderSentimentChart({ positiveCount, neutralCount, negativeCount });
lucide.createIcons();
document.getElementById('download-pdf-btn').addEventListener('click', generatePdf);
};
const renderSentimentChart = ({ positiveCount, neutralCount, negativeCount }) => {
const ctx = document.getElementById('sentiment-chart').getContext('2d');
if (charts.sentiment) charts.sentiment.destroy();
charts.sentiment = new Chart(ctx, {
type: 'doughnut',
data: {
labels: ['Positive', 'Neutral', 'Negative'],
datasets: [{ data: [positiveCount, neutralCount, negativeCount], backgroundColor: ['#16a34a', '#d1d5db', '#dc2626'] }]
},
options: { responsive: true, maintainAspectRatio: false, plugins: { title: { display: true, text: 'Overall Sentiment Breakdown' }, legend: { position: 'bottom' } } }
});
};
const renderDataConfig = () => {
const configContent = document.getElementById('content-data-configuration');
if (!configContent) return;
const reviewsHtml = appData.reviews.map(r => `
`).join('');
configContent.innerHTML = `
Manage Customer Reviews
${reviewsHtml}
`;
lucide.createIcons();
attachConfigListeners();
};
// --- EVENT HANDLERS & LOGIC ---
const attachConfigListeners = () => {
const handler = () => {
document.querySelectorAll('.config-input').forEach(input => {
const id = parseInt(input.dataset.id);
const field = input.dataset.field;
const value = input.value;
const review = appData.reviews.find(r => r.id === id);
if(review) review[field] = value;
});
appData.analysisResults = null;
renderDashboard();
};
document.querySelectorAll('.config-input').forEach(input => input.addEventListener('change', handler));
document.querySelectorAll('.remove-review-btn').forEach(btn => btn.addEventListener('click', e => {
const id = parseInt(e.currentTarget.dataset.id);
appData.reviews = appData.reviews.filter(r => r.id !== id);
appData.analysisResults = null;
renderDataConfig();
renderDashboard();
}));
document.getElementById('add-review-btn').addEventListener('click', () => {
const newId = appData.reviews.length > 0 ? Math.max(...appData.reviews.map(r => r.id)) + 1 : 1;
appData.reviews.push({ id: newId, name: 'New Customer', text: '' });
renderDataConfig();
});
};
const generatePdf = () => {
loadingOverlay.style.display = 'flex';
const { jsPDF } = window.jspdf;
document.getElementById('pdf-generated-date').textContent = new Date().toLocaleString();
const pdfHeader = document.getElementById('pdf-header');
pdfHeader.classList.remove('hidden');
const fullContent = document.getElementById('pdf-content-area');
html2canvas(fullContent, { scale: 2, useCORS: true, logging: false, windowWidth: 1200 })
.then(canvas => {
pdfHeader.classList.add('hidden');
const imgData = canvas.toDataURL('image/jpeg', 0.9);
const pdf = new jsPDF({ orientation: 'landscape', unit: 'px', format: 'a4' });
const pdfWidth = pdf.internal.pageSize.getWidth();
const imgProps = pdf.getImageProperties(imgData);
const imgHeight = (imgProps.height * pdfWidth) / imgProps.width;
pdf.addImage(imgData, 'JPEG', 0, 0, pdfWidth, imgHeight);
pdf.save('Customer-Sentiment-Report.pdf');
loadingOverlay.style.display = 'none';
}).catch(err => {
console.error("PDF generation failed:", err);
pdfHeader.classList.add('hidden');
loadingOverlay.style.display = 'none';
alert('An error occurred generating the PDF.');
});
};
// --- TAB NAVIGATION & INITIALIZATION ---
const switchTab = (tabIndex) => {
activeTabIndex = tabIndex;
document.querySelectorAll('.tab-btn').forEach((btn, i) => btn.classList.toggle('active', i === tabIndex));
document.querySelectorAll('.tab-content').forEach((content, i) => content.classList.toggle('hidden', i !== tabIndex));
updateNavButtons();
};
const updateNavButtons = () => {
prevTabBtn.disabled = activeTabIndex === 0;
nextTabBtn.disabled = activeTabIndex === tabIdentifiers.length - 1;
};
const initializeUI = () => {
const tabs = [
{ name: 'Sentiment Dashboard', id: 'sentiment-dashboard' },
{ name: 'Data Configuration', id: 'data-configuration' }
];
tabIdentifiers = tabs.map(t => t.id);
tabsContainer.innerHTML = tabs.map(tab => `
`).join('');
mainContent.innerHTML = tabs.map(tab => `
`).join('');
tabs.forEach((tab, index) => {
document.getElementById(`tab-${tab.id}`).addEventListener('click', () => switchTab(index));
});
renderDashboard();
renderDataConfig();
switchTab(0);
};
initializeUI();
prevTabBtn.addEventListener('click', () => { if (activeTabIndex > 0) switchTab(activeTabIndex - 1); });
nextTabBtn.addEventListener('click', () => { if (activeTabIndex < tabIdentifiers.length - 1) switchTab(activeTabIndex + 1); });
});
