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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>AutoFS Leaderboard</title>

    <script src="https://cdn.jsdelivr.net/npm/chart.js"></script>

    <style>
        body {
            font-family: Arial, sans-serif;
            margin: 40px;
        }

        table {
            border-collapse: collapse;
            width: 100%;
        }

        th, td {
            border: 1px solid #ddd;
            padding: 10px;
            text-align: center;
        }

        th {
            cursor: pointer;
            background-color: #f5f5f5;
            user-select: none;
        }

        th span {
            margin-left: 6px;
            font-size: 12px;
            opacity: 0.7;
        }

        tr:nth-child(even) {
            background-color: #fafafa;
        }

        .chart-row {
            display: flex;
            gap: 40px;
            margin-top: 40px;
        }

        .chart-container {
            width: 50%;
        }

        .chart-row-single {
            display: flex;
            justify-content: center;
            margin-top: 40px;
        }

        .chart-container-single {
            width: 60%;
        }
    </style>
</head>
<body>

<h1>Feature Selection Leaderboard</h1>

<table>
    <thead>
    <tr>
        <th>Rank</th>
        <th onclick="sortTable('algorithm')">Algorithm <span id="arrow-algorithm"></span></th>
        <th onclick="sortTable('num_features')">#Features <span id="arrow-num_features"></span></th>
        <th onclick="sortTable('mean_f1')">Mean F1 <span id="arrow-mean_f1"></span></th>
        <th onclick="sortTable('mean_auc')">Mean AUC <span id="arrow-mean_auc"></span></th>
        <th onclick="sortTable('time')">Time (s) <span id="arrow-time"></span></th>
    </tr>
    </thead>
    <tbody id="tbody"></tbody>
</table>

<!-- F1 & AUC -->
<div class="chart-row">
    <div class="chart-container">
        <canvas id="f1Chart"></canvas>
    </div>
    <div class="chart-container">
        <canvas id="aucChart"></canvas>
    </div>
</div>

<!-- Time -->
<div class="chart-row-single">
    <div class="chart-container-single">
        <canvas id="timeChart"></canvas>
    </div>
</div>

<script>
    let leaderboardData = {{ leaderboard | tojson }};
    let sortKey = null;
    let sortAsc = true;
    let f1Chart, aucChart, timeChart;

    const metricOrder = {
        algorithm: "asc",     // 字符串
        num_features: "asc",  // 少特征更好(你也可以改)
        mean_f1: "desc",      // 越大越好
        mean_auc: "desc",     // 越大越好
        time: "asc"           // 越小越好 ✅
    };

    function renderTable() {
        const tbody = document.getElementById("tbody");
        tbody.innerHTML = "";

        const n = leaderboardData.length;

        const isBestFirst =
            (metricOrder[sortKey] === "desc" && !sortAsc) ||
            (metricOrder[sortKey] === "asc" && sortAsc);

        leaderboardData.forEach((r, i) => {
            const rank = isBestFirst ? i + 1 : n - i;

            tbody.insertAdjacentHTML("beforeend", `
                <tr>
                    <td>${rank}</td>
                    <td>${r.algorithm}</td>
                    <td>${r.num_features}</td>
                    <td>${r.mean_f1.toFixed(4)}</td>
                    <td>${r.mean_auc.toFixed(4)}</td>
                    <td>${r.time.toFixed(2)}</td>
                </tr>
            `);
        });
    }

    function sortTable(key) {
        if (sortKey === key) {
            sortAsc = !sortAsc;
        } else {
            sortKey = key;
            sortAsc = metricOrder[key] === "asc";
        }

        leaderboardData.sort((a, b) => {
            if (typeof a[key] === "string") {
                return sortAsc
                    ? a[key].localeCompare(b[key])
                    : b[key].localeCompare(a[key]);
            }
            return sortAsc ? a[key] - b[key] : b[key] - a[key];
        });

        updateArrows();
        renderTable();
        updateCharts();
    }

    function updateArrows() {
        document.querySelectorAll("th span").forEach(s => s.textContent = "↕");
        document.getElementById("arrow-" + sortKey).textContent = sortAsc ? "↑" : "↓";
    }

    function updateCharts() {
        const labels = leaderboardData.map(r => r.algorithm);

        if (f1Chart) f1Chart.destroy();
        if (aucChart) aucChart.destroy();
        if (timeChart) timeChart.destroy();

        const baseOptions = title => ({
            responsive: true,
            maintainAspectRatio: true,
            aspectRatio: 2,
            plugins: { title: { display: true, text: title } }
        });

        f1Chart = new Chart(document.getElementById("f1Chart"), {
            type: "line",
            data: {
                labels,
                datasets: [{ label: "Mean F1", data: leaderboardData.map(r => r.mean_f1) }]
            },
            options: baseOptions("Mean F1 Curve")
        });

        aucChart = new Chart(document.getElementById("aucChart"), {
            type: "line",
            data: {
                labels,
                datasets: [{ label: "Mean AUC", data: leaderboardData.map(r => r.mean_auc) }]
            },
            options: baseOptions("Mean AUC Curve")
        });

        timeChart = new Chart(document.getElementById("timeChart"), {
            type: "line",
            data: {
                labels,
                datasets: [{ label: "Time (s)", data: leaderboardData.map(r => r.time) }]
            },
            options: baseOptions("Runtime Curve")
        });
    }

    renderTable();
    updateCharts();
</script>

</body>
</html>