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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>Image to Sketch</title>
</head>
<body>
    <h1>Image to Sketch</h1>
    <form action="/upload/" method="post" enctype="multipart/form-data">
        <input type="file" name="file">
        <button type="submit">Upload</button>
    </form>
    <div id="result"></div>

    <script>
        async function uploadFile() {
            const formData = new FormData();
            const fileInput = document.querySelector('input[type="file"]');
            formData.append('file', fileInput.files[0]);

            const response = await fetch('/upload/', {
                method: 'POST',
                body: formData
            });

            const data = await response.json();
            document.getElementById('result').innerHTML = `<img src="data:image/png;base64,${data.sketch_image}" />`;
        }

        document.querySelector('form').addEventListener('submit', function(event) {
            event.preventDefault();
            uploadFile();
        });
    </script>
</body>
</html>