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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Transformers.js Sentiment Analysis</title>
    <script src="https://cdn.jsdelivr.net/npm/@xenova/[email protected]"></script>
    <style>
        body { font-family: Arial, sans-serif; max-width: 800px; margin: 0 auto; padding: 20px; }
        textarea { width: 100%; height: 100px; }
        button { margin-top: 10px; }
        #result { margin-top: 20px; }
    </style>
</head>
<body>
    <h1>Transformers.js Sentiment Analysis</h1>
    <textarea id="input" placeholder="Enter text for sentiment analysis">I love this movie! It's amazing!</textarea>
    <button onclick="analyzeSentiment()">Analyze Sentiment</button>
    <div id="result"></div>

    <script>
        // Use the pipeline from Xenova's transformers package
        let pipeline;
        
        async function loadPipeline() {
            try {
                pipeline = await transformers.pipeline('sentiment-analysis');
                document.querySelector('button').disabled = false;
            } catch (error) {
                console.error('Error loading pipeline:', error);
                document.getElementById('result').innerHTML = `<p>Error: ${error.message}</p>`;
            }
        }

        async function analyzeSentiment() {
            const input = document.getElementById('input').value;
            const result = document.getElementById('result');

            if (!input.trim()) {
                result.innerHTML = '<p>Please enter some text to analyze.</p>';
                return;
            }

            result.innerHTML = '<p>Analyzing...</p>';

            try {
                if (!pipeline) {
                    throw new Error('Pipeline not loaded. Please wait and try again.');
                }

                // Perform sentiment analysis
                const sentiment = await pipeline(input);

                // Display the result
                result.innerHTML = `
                    <h3>Sentiment Analysis Result:</h3>
                    <p>Label: ${sentiment[0].label}</p>
                    <p>Score: ${sentiment[0].score.toFixed(4)}</p>
                `;
            } catch (error) {
                console.error('Error during sentiment analysis:', error);
                result.innerHTML = `<p>Error: ${error.message}</p>`;
            }
        }

        // Load the pipeline when the page loads
        document.querySelector('button').disabled = true;
        loadPipeline();
    </script>
</body>
</html>