index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Chord Progression Generator</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            text-align: center;
            margin-top: 50px;
        }
    </style>
</head>
<body>
    <h1>Chord Progression Generator</h1>
    <label for="genre">Select Genre:</label>
    <select id="genre">
        <option value="pop">Pop</option>
        <option value="rock">Rock</option>
        <option value="jazz">Jazz</option>
    </select>
    <button onclick="getChordProgression()">Generate Chord Progression</button>

    <div id="result">
        <!-- The chord progression will be displayed here -->
    </div>
 
    <script>
        async function getChordProgression() {
            const genre = document.getElementById('genre').value;

            try {
                const response = await fetch('/generate-chords', {
                    method: 'POST',
                    headers: {
                        'Content-Type': 'application/json'
                    },
                    body: JSON.stringify({ genre: genre })
                });

                const data = await response.text();
                // https://www.geeksforgeeks.org/how-to-handle-newlines-in-json/
                document.getElementById('result').innerText = JSON.parse(data);
            } catch (error) {
                console.error('Error:', error);
            }
        }
    </script>
</body>
</html>