/**
 * 多班级版班级管理系统 - 排行榜JS
 * 
 * 开发者: Canglan
 * 版权归属: Sea Network Technology Studio
 * 
 * 版权所有 © Sea Network Technology Studio
 */

(function() {
'use strict';

let currentType = 'conduct';

async function loadRankings(type) {
    const res = await apiGet('/api/admin/rankings', { type: type, limit: 50 });
    if (res && res.success && res.data) {
        const rankings = res.data.ranking || [];
        let html = '';
        if (rankings.length === 0) {
            html = '<tr><td colspan="4" style="text-align:center;">暂无排行数据</td></tr>';
        } else {
            rankings.forEach(function(item, index) {
                let rankClass = '';
                if (index === 0) rankClass = 'rank-gold';
                else if (index === 1) rankClass = 'rank-silver';
                else if (index === 2) rankClass = 'rank-bronze';

                let pointsText = Number(item.points !== undefined ? item.points : (item.total_points || 0));
                if (pointsText > 0) {
                    pointsText = '+' + pointsText;
                }

                html += '<tr>' +
                    '<td><span class="rank-badge ' + rankClass + '">' + (index + 1) + '</span></td>' +
                    '<td>' + escapeHtml(item.student_no || '-') + '</td>' +
                    '<td>' + escapeHtml(item.name || '-') + '</td>' +
                    '<td><span class="record-points ' + (pointsText > 0 ? 'plus' : (pointsText < 0 ? 'minus' : '')) + '">' + pointsText + '</span></td>' +
                '</tr>';
            });
        }
        document.getElementById('rankingList').innerHTML = html;
    } else {
        document.getElementById('rankingList').innerHTML = '<tr><td colspan="4" style="text-align:center;">加载失败</td></tr>';
    }
}

window.switchTab = function(type, btn) {
    currentType = type;
    document.querySelectorAll('.tab-btn').forEach(function(b) { b.classList.remove('active'); });
    btn.classList.add('active');
    loadRankings(type);
};

document.addEventListener('DOMContentLoaded', function() {
    loadRankings(currentType);
});

})();