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<!DOCTYPE html>
<html lang="en" data-bs-theme="dark">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Sentiment Analysis</title>
<link href="https://cdn.replit.com/agent/bootstrap-agent-dark-theme.min.css" rel="stylesheet">
<link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.7.2/font/bootstrap-icons.css" rel="stylesheet">
</head>
<body>
<div class="container py-5">
<div class="row justify-content-center">
<div class="col-md-8">
<div class="card shadow-sm">
<div class="card-body">
<h1 class="card-title text-center mb-4">
<i class="bi bi-emoji-smile me-2"></i>
Sentiment Analysis
</h1>
<div class="alert alert-info mb-4" role="alert">
<i class="bi bi-info-circle me-2"></i>
Enter your text below to analyze its sentiment. Our AI model will determine if the text expresses a positive or negative sentiment.
</div>
<form id="sentimentForm" class="mb-4">
<div class="mb-3">
<label for="textInput" class="form-label">Text to Analyze</label>
<textarea
class="form-control"
id="textInput"
rows="4"
placeholder="Enter your text here..."
required></textarea>
</div>
<div class="d-grid">
<button type="submit" class="btn btn-primary" id="analyzeBtn">
<span class="spinner-border spinner-border-sm d-none me-2" role="status" aria-hidden="true"></span>
Analyze Sentiment
</button>
</div>
</form>
<div id="result" class="card d-none">
<div class="card-body text-center">
<h5 class="card-title mb-3">Analysis Result</h5>
<div class="result-content">
<i class="bi bi-emoji-smile-fill result-icon fs-1 mb-3"></i>
<p class="result-text fs-4 mb-0"></p>
<p class="confidence-text text-muted mt-2"></p>
</div>
</div>
</div>
<div id="errorAlert" class="alert alert-danger d-none" role="alert">
<i class="bi bi-exclamation-triangle me-2"></i>
<span class="error-message"></span>
</div>
</div>
</div>
</div>
</div>
</div>
<script>
document.addEventListener('DOMContentLoaded', () => {
const form = document.getElementById('sentimentForm');
const analyzeBtn = document.getElementById('analyzeBtn');
const spinner = analyzeBtn.querySelector('.spinner-border');
const resultCard = document.getElementById('result');
const resultIcon = resultCard.querySelector('.result-icon');
const resultText = resultCard.querySelector('.result-text');
const confidenceText = resultCard.querySelector('.confidence-text');
const errorAlert = document.getElementById('errorAlert');
const errorMessage = errorAlert.querySelector('.error-message');
form.addEventListener('submit', async (e) => {
e.preventDefault();
// Reset previous results
resultCard.classList.add('d-none');
errorAlert.classList.add('d-none');
// Show loading state
analyzeBtn.disabled = true;
spinner.classList.remove('d-none');
try {
const text = document.getElementById('textInput').value.trim();
if (!text) {
throw new Error('Please enter some text to analyze.');
}
const response = await fetch('/predict', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({ text }),
});
if (!response.ok) {
const error = await response.json();
throw new Error(error.error || 'Failed to analyze sentiment.');
}
const result = await response.json();
// Update result display
resultIcon.className = `bi ${result.sentiment === 'positive' ? 'bi-emoji-smile-fill' : 'bi-emoji-frown-fill'} result-icon fs-1 mb-3`;
resultText.textContent = `${result.sentiment.charAt(0).toUpperCase() + result.sentiment.slice(1)} Sentiment`;
confidenceText.textContent = `Confidence: ${Math.round(result.confidence * 100)}%`;
resultCard.classList.remove('d-none');
} catch (error) {
errorMessage.textContent = error.message;
errorAlert.classList.remove('d-none');
} finally {
// Reset loading state
analyzeBtn.disabled = false;
spinner.classList.add('d-none');
}
});
});
</script>
</body>
</html>
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