<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Fast-DetectGPT</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 20px;
            background-color: #f9f9f9;
        }
        .container {
            max-width: 700px;
            margin: auto;
            background: #ffffff;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
        }
        h1 {
            text-align: center;
            color: #333;
        }
        textarea {
            width: 100%;
            height: 150px;
            margin: 15px 0;
            padding: 10px;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 16px;
        }
        button {
            display: block;
            width: 100%;
            padding: 10px;
            background-color: #007bff;
            color: white;
            border: none;
            border-radius: 5px;
            font-size: 16px;
            cursor: pointer;
        }
        button:hover {
            background-color: #0056b3;
        }
        #result {
            margin-top: 20px;
            padding: 15px;
            background-color: #f1f1f1;
            border: 1px solid #ddd;
            border-radius: 5px;
        }
        .error {
            color: red;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>Fast-DetectGPT</h1>
        <form id="analyzeForm">
            <textarea name="text" placeholder="Enter your text here..." required></textarea>
            <button type="submit">Analyze</button>
        </form>
        <div id="result"></div>
    </div>

    <script>
        document.getElementById('analyzeForm').addEventListener('submit', function (e) {
            e.preventDefault(); // Formun varsayılan davranışını durdurur.
            const formData = new FormData(this);
            const resultDiv = document.getElementById('result');

            // Önce sonucu temizle
            resultDiv.textContent = '';

            // POST isteği gönder
            fetch('/analyze', {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json',
                },
                body: JSON.stringify({
                    text: formData.get('text'),
                }),
            })
                .then(response => response.json())
                .then(data => {
                    if (data.error) {
                        resultDiv.innerHTML = `<p class="error">Error: ${data.error}</p>`;
                    } else {
                        resultDiv.innerHTML = `
                            <p><strong>Criterion:</strong> ${data.criterion}</p>
                            <p><strong>Probability of being machine-generated:</strong> ${data.probability_machine_generated}</p>
                        `;
                    }
                })
                .catch(err => {
                    resultDiv.innerHTML = `<p class="error">An error occurred: ${err.message}</p>`;
                });
        });
    </script>
</body>
</html>