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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>FürElise Dataset Visualizer</title>
	<!-- Bootstrap CSS -->
	<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
	<!-- Font Awesome for Icons -->
	<link href='https://fonts.googleapis.com/css?family=Source+Sans+Pro' rel='stylesheet' type='text/css'>
	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0-beta3/css/all.min.css">

	<style>
	body {
	font-family: 'Source Sans Pro', sans-serif;
	margin: 20px;
	}
	th {
	cursor: pointer;
	}
	tr:hover {
	background-color: #f1f1f1;
	}
	th i {
	margin-left: 10px;
	}
	</style>
	</head>
	<body>

	<div class="container">
	<h1 class="my-4 text-center">FürElise Dataset Visualizer</h1>
	Click any piece to start.

	<!-- Search Input -->
	<div class="row">
	<div class="col-md-6 mx-auto">
	<input type="text" class="form-control" id="searchInput" placeholder="Search by piece ID, name, or composer" onkeyup="searchTable()">
	</div>
	</div>

	<!-- Table -->
	<table class="table table-hover mt-4">
	<thead class="table-dark">
	<tr>
	<th scope="col" onclick="sortTable(0)">Piece ID <i class="fas fa-sort"></i></th>
	<th scope="col" onclick="sortTable(1)">Piece Name <i class="fas fa-sort"></i></th>
	<th scope="col" onclick="sortTable(2)">Composer <i class="fas fa-sort"></i></th>
	</tr>
	</thead>
	<tbody id="piecesTable"></tbody>
	</table>
	</div>

	<!-- Bootstrap JS (for responsive elements) -->
	<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/js/bootstrap.bundle.min.js"></script>

	<script>
	let sortDirections = [true, true, true]; // True for ascending, false for descending for each column

	// Load the JSON data from a local file
	async function loadJSON() {
	const response = await fetch('/pieces_metadata'); // Ensure 'pieces_metadata.json' is in the same directory
	const pieces = await response.json();
	return pieces;
	}

	// Generate the table rows from the fetched JSON data
	function loadTable(pieces) {
	const table = document.getElementById('piecesTable');
	pieces.forEach(piece => {
	let row = document.createElement('tr');
	row.innerHTML = `
	<td>${piece.piece_id}</td>
	<td><a href="/vis?id=${piece.piece_id}" class="text-decoration-none">${piece.name}</a></td>
	<td>${piece.composer}</td>
	`;
	table.appendChild(row);
	});
	}

	// Sort table based on columns
	function sortTable(columnIndex) {
	const table = document.getElementById('piecesTable');
	let rows = Array.from(table.getElementsByTagName('tr'));

	const ascending = sortDirections[columnIndex];
	rows.sort((a, b) => {
	const aText = a.cells[columnIndex].textContent.trim();
	const bText = b.cells[columnIndex].textContent.trim();

	// Sort piece_id as numbers
	if (columnIndex === 0) {
	return ascending ? aText - bText : bText - aText;
	}
	// Sort by text for other columns
	return ascending ? aText.localeCompare(bText) : bText.localeCompare(aText);
	});

	// Toggle the sort direction for next click
	sortDirections[columnIndex] = !ascending;

	// Clear the table and re-append the sorted rows
	table.innerHTML = '';
	rows.forEach(row => table.appendChild(row));

	// Update sort icons
	updateSortIcons(columnIndex, ascending);
	}

	// Update the sort icons
	function updateSortIcons(columnIndex, ascending) {
	const ths = document.querySelectorAll('th');
	ths.forEach((th, i) => {
	const icon = th.querySelector('i');
	if (i === columnIndex) {
	icon.className = ascending ? 'fas fa-sort-up' : 'fas fa-sort-down'; // Show up or down arrow
	} else {
	icon.className = 'fas fa-sort'; // Reset other columns to neutral
	}
	});
	}

	// Search function for filtering rows
	function searchTable() {
	const input = document.getElementById('searchInput').value.toLowerCase();
	const rows = document.querySelectorAll('#piecesTable tr');

	rows.forEach(row => {
	const pieceID = row.cells[0].textContent.toLowerCase();
	const name = row.cells[1].textContent.toLowerCase();
	const composer = row.cells[2].textContent.toLowerCase();
	row.style.display = pieceID.includes(input) \|\| name.includes(input) \|\| composer.includes(input) ? '' : 'none';
	});
	}

	// Initialize the table on page load
	loadJSON().then(pieces => {
	loadTable(pieces);
	});
	</script>

	</body>
	</html>