{% extends "base.html" %}

{% block content %}
{% include 'admin_nav.html' %}

<div class="admin-container">
    <div class="admin-content">
        <div class="admin-card">
            <div class="card-header">
                <div class="header-left">
                    <i class="fas fa-users"></i>
                    <h3>用户管理</h3>
                </div>
                <div class="filter-sort">
                    <div class="sort-box">
                        <i class="fas fa-sort"></i>
                        <select class="sort-select" onchange="sortUsers(this)">
                            <option value="created_desc">注册时间 ↓</option>
                            <option value="created_asc">注册时间 ↑</option>
                            <option value="login_desc">最近登录 ↓</option>
                            <option value="login_asc">最近登录 ↑</option>
                            <option value="invite_desc">邀请人数 ↓</option>
                            <option value="invite_asc">邀请人数 ↑</option>
                        </select>
                    </div>
                    <div class="search-box">
                        <input type="text" 
                               class="search-input" 
                               placeholder="搜索用户..." 
                               onkeyup="filterUsers(this)">
                        <i class="fas fa-search"></i>
                    </div>
                </div>
            </div>

            <div class="users-table-container">
                <table class="users-table">
                    <thead>
                        <tr>
                            <th>头像</th>
                            <th>昵称</th>
                            <th>邮箱</th>
                            <th>华为ID</th>
                            <th>邀请人数</th>
                            <th>被邀请者</th>
                            <th>注册时间</th>
                            <th>最近登录</th>
                            <th>登录次数</th>
                            <th>操作</th>
                        </tr>
                    </thead>
                    <tbody>
                        {% for user in users %}
                        <tr>
                            <td>
                                <img src="{{ user.avatar or '/static/images/default-avatar.png' }}" 
                                     alt="{{ user.name }}"
                                     class="user-avatar">
                            </td>
                            <td title="{{ user.name }}">{{ user.name }}</td>
                            <td class="user-email">{{ user.email or '未设置' }}</td>
                            <td class="user-id">{{ user.huawei_id }}</td>
                            <td>
                                <div class="invite-count">
                                    <span>{{ user.invite_count }}</span>
                                    {% if user.invite_count > 0 %}
                                    <button class="btn-view" onclick="viewInvitees('{{ user.id }}')">
                                        <i class="fas fa-eye"></i>
                                    </button>
                                    {% endif %}
                                </div>
                            </td>
                            <td>
                                {% if user.inviter_name %}
                                <span class="inviter-tag">
                                    <i class="fas fa-user-plus"></i>
                                    {{ user.inviter_name }}
                                </span>
                                {% else %}
                                -
                                {% endif %}
                            </td>
                            <td>
                                <div class="time-info">
                                    <span class="time-label">注册时间</span>
                                    <span class="time-value">{{ user.created_at }}</span>
                                </div>
                            </td>
                            <td>
                                <div class="time-info">
                                    <span class="time-label">最近登录</span>
                                    <span class="time-value">{{ user.last_login or '未登录' }}</span>
                                </div>
                            </td>
                            <td>{{ user.login_count }}</td>
                            <td>
                                <div class="action-buttons">
                                    <button class="btn-delete" onclick="deleteUser('{{ user.id }}', '{{ user.name }}')" title="删除">
                                        <i class="fas fa-trash"></i>
                                    </button>
                                </div>
                            </td>
                        </tr>
                        {% endfor %}
                    </tbody>
                </table>
            </div>
        </div>
    </div>
</div>

<!-- 被邀请用户列表弹窗 -->
<div id="inviteesModal" class="modal">
    <div class="modal-content">
        <div class="modal-header">
            <h3>邀请的用户</h3>
            <button class="close-btn" onclick="closeInviteesModal()">
                <i class="fas fa-times"></i>
            </button>
        </div>
        <div id="inviteesList" class="invitees-list"></div>
    </div>
</div>

<!-- Toast 容器 -->
<div id="toast" class="toast"></div>

<style>
/* 容器样式优化 */
.admin-container {
    padding: 0;  /* 移除容器的内边距 */
}

.admin-content {
    padding: 0;  /* 移除内容区的内边距 */
    max-width: none;  /* 移除最大宽度限制 */
}

/* 卡片样式优化 */
.admin-card {
    background: white;
    border-radius: 0;  /* 移除圆角 */
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    overflow: hidden;
    margin: 0;  /* 移除外边距 */
}

/* 表头样式优化 */
.card-header {
    padding: 10px 12px;  /* 减小表头内边距 */
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: white;
    position: sticky;  /* 使表头固定 */
    top: 0;
    z-index: 10;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 8px;  /* 减小间距 */
}

.header-left i {
    font-size: 16px;  /* 减小图标尺寸 */
    color: #1890ff;
}

.header-left h3 {
    margin: 0;
    font-size: 16px;  /* 减小标题字号 */
    font-weight: 500;
}

/* 表格容器样式 */
.users-table-container {
    padding: 0;  /* 移除内边距 */
    overflow-x: auto;
}

.users-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0;
    border: none;  /* 移除表格边框 */
}

.users-table th,
.users-table td {
    padding: 8px 12px;  /* 减小单元格内边距 */
    text-align: left;
    border-bottom: 1px solid #eee;
    white-space: nowrap;
}

.users-table th {
    background: #fafafa;
    font-weight: 600;
    color: #666;
    font-size: 12px;  /* 减小表头字号 */
    text-transform: uppercase;
}

.users-table td {
    font-size: 13px;  /* 减小单元格字号 */
    color: #333;
}

/* 昵称列宽度限制 */
.users-table td:nth-child(2) {  /* 昵称是第二列 */
    max-width: 120px;  /* 限制最大宽度 */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* 鼠标悬停时显示完整昵称 */
.users-table td:nth-child(2):hover {
    position: relative;
}

.users-table td:nth-child(2):hover::after {
    content: attr(title);
    position: absolute;
    left: 0;
    top: 100%;
    background: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    z-index: 1000;
    white-space: normal;
    max-width: 200px;
    word-break: break-all;
}

/* 暗色模式适配 */
[data-theme="dark"] .users-table td:nth-child(2):hover::after {
    background: #333;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

/* 用户头像样式优化 */
.users-table td:first-child {  /* 头像是第一列 */
    width: 40px;  /* 固定宽度 */
    padding: 8px 4px;  /* 减小内边距 */
}

.user-avatar {
    width: 32px;  /* 减小头像尺寸 */
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid #fff;  /* 减小边框 */
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* 邮箱和ID样式 */
.user-email,
.user-id {
    color: #666;
    font-size: 12px;  /* 减小字号 */
}

/* 邀请数量样式 */
.invite-count {
    display: flex;
    align-items: center;
    gap: 4px;  /* 减小间距 */
}

.invite-count span {
    font-weight: 500;
    color: #1890ff;
}

.inviter-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: rgba(24, 144, 255, 0.1);
    color: #1890ff;
    border-radius: 4px;
    font-size: 12px;
    transition: all 0.3s ease;
}

.inviter-tag:hover {
    background: rgba(24, 144, 255, 0.2);
}

.inviter-tag i {
    font-size: 12px;
}

/* 时间显示样式 */
.time-info {
    display: flex;
    flex-direction: column;
    gap: 2px;  /* 减小间距 */
}

.time-label {
    font-size: 12px;
    color: #999;
    line-height: 1.2;  /* 减小行高 */
}

.time-value {
    font-size: 13px;
    color: #333;
    line-height: 1.2;  /* 减小行高 */
}

/* 按钮样式优化 */
.btn-view,
.btn-delete {
    padding: 4px;  /* 减小按钮内边距 */
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 24px;  /* 减小按钮尺寸 */
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-view {
    background: #1890ff;
    color: white;
}

.btn-delete {
    background: #ff4d4f;
    color: white;
}

.btn-view:hover {
    background: #40a9ff;
}

.btn-delete:hover {
    background: #ff7875;
}

/* 暗色模式适配 */
[data-theme="dark"] .admin-card {
    background: #242424;
    box-shadow: none;
}

[data-theme="dark"] .card-header {
    background: #242424;
    border-color: #333;
}

[data-theme="dark"] .users-table th {
    background: #1f1f1f;
    color: #999;
}

[data-theme="dark"] .users-table td {
    color: #ccc;
}

[data-theme="dark"] .user-email,
[data-theme="dark"] .user-id {
    color: #999;
}

[data-theme="dark"] .time-label {
    color: #666;
}

[data-theme="dark"] .time-value {
    color: #ccc;
}

.invitees-list {
    max-height: 400px;
    overflow-y: auto;
    padding: 20px;
}

.invitee-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-bottom: 1px solid #eee;
}

.invitee-info {
    flex: 1;
}

.invitee-name {
    font-weight: 500;
    font-size: 14px;
    margin-bottom: 4px;
}

.invitee-email {
    color: #666;
    font-size: 12px;
    margin-bottom: 4px;
}

.invitee-date {
    color: #999;
    font-size: 12px;
}

[data-theme="dark"] .invitee-item {
    border-color: #333;
}

[data-theme="dark"] .invitee-email {
    color: #999;
}

[data-theme="dark"] .invitee-date {
    color: #666;
}

/* 搜索和排序区域样式 */
.filter-sort {
    display: flex;
    gap: 8px;  /* 减小间距 */
    align-items: center;
}

.sort-box {
    position: relative;
}

.sort-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
    pointer-events: none;
}

.sort-select {
    padding: 6px 10px 6px 30px;  /* 减小内边距 */
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 13px;  /* 减小字号 */
    color: #333;
    background: white;
    cursor: pointer;
    appearance: none;
    min-width: 140px;  /* 减小最小宽度 */
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 300px;
}

.search-input {
    width: 100%;
    padding: 6px 10px 6px 30px;  /* 减小内边距 */
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 13px;  /* 减小字号 */
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: #666;
}

/* 暗色模式适配 */
[data-theme="dark"] .sort-select,
[data-theme="dark"] .search-input {
    background: #333;
    border-color: #444;
    color: #ccc;
}

[data-theme="dark"] .sort-box i,
[data-theme="dark"] .search-box i {
    color: #999;
}

/* 修改滚动条样式 */
.users-table-container::-webkit-scrollbar {
    height: 8px;  /* 水平滚动条高度 */
    background-color: #f5f5f5;
}

.users-table-container::-webkit-scrollbar-thumb {
    background-color: #ddd;
    border-radius: 4px;
}

.users-table-container::-webkit-scrollbar-thumb:hover {
    background-color: #ccc;
}

[data-theme="dark"] .users-table-container::-webkit-scrollbar {
    background-color: #1a1a1a;
}

[data-theme="dark"] .users-table-container::-webkit-scrollbar-thumb {
    background-color: #333;
}

[data-theme="dark"] .users-table-container::-webkit-scrollbar-thumb:hover {
    background-color: #444;
}

/* Modal 默认样式 */
.modal {
    display: none;  /* 默认隐藏 */
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: 8px;
    max-width: 500px;
    width: 90%;
    max-height: 80vh;
    position: relative;
}

[data-theme="dark"] .modal-content {
    background: #242424;
}
</style>

<script>
function showToast(message) {
    const toast = document.getElementById('toast');
    toast.textContent = message;
    toast.style.display = 'block';
    
    setTimeout(() => {
        toast.style.display = 'none';
    }, 3000);
}

function viewInvitees(userId) {
    // 先清空内容
    const inviteesList = document.getElementById('inviteesList');
    inviteesList.innerHTML = '';
    
    fetch(`/admin/users/${userId}/invitees`)
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                inviteesList.innerHTML = data.invitees.map(invitee => `
                    <div class="invitee-item">
                        <img src="${invitee.avatar || '/static/images/default-avatar.png'}" 
                             alt="${invitee.name}" 
                             class="user-avatar">
                        <div class="invitee-info">
                            <div class="invitee-name">${invitee.name}</div>
                            <div class="invitee-email">${invitee.email || '未设置邮箱'}</div>
                            <div class="invitee-date">邀请时间：${invitee.invite_date}</div>
                        </div>
                    </div>
                `).join('');
                
                // 显示 modal
                document.getElementById('inviteesModal').style.display = 'flex';
            } else {
                showToast(data.error || '获取邀请用户列表失败');
            }
        })
        .catch(error => {
            console.error('Failed to get invitees:', error);
            showToast('获取邀请用户列表失败');
        });
}

function closeInviteesModal() {
    const modal = document.getElementById('inviteesModal');
    modal.style.display = 'none';
    // 清空弹窗内容，防止下次打开时显示旧数据
    document.getElementById('inviteesList').innerHTML = '';
}

function deleteUser(userId, userName) {
    if (!confirm(`确定要删除用户"${userName}"吗？此操作不可恢复。`)) return;
    
    fetch(`/admin/users/${userId}/delete`, {
        method: 'POST'
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            location.reload();
        } else {
            showToast(data.error || '删除失败');
        }
    })
    .catch(error => {
        console.error('Delete failed:', error);
        showToast('删除失败，请稍后重试');
    });
}

function sortUsers(select) {
    const [field, order] = select.value.split('_');
    const tbody = document.querySelector('.users-table tbody');
    const rows = Array.from(tbody.querySelectorAll('tr'));
    
    rows.sort((a, b) => {
        let aValue, bValue;
        
        switch(field) {
            case 'created':
                aValue = new Date(a.cells[6].textContent);
                bValue = new Date(b.cells[6].textContent);
                break;
            case 'login':
                aValue = a.cells[7].textContent === '未登录' ? new Date(0) : new Date(a.cells[7].textContent);
                bValue = b.cells[7].textContent === '未登录' ? new Date(0) : new Date(b.cells[7].textContent);
                break;
            case 'invite':
                aValue = parseInt(a.cells[4].textContent);
                bValue = parseInt(b.cells[4].textContent);
                break;
        }
        
        return order === 'asc' ? aValue - bValue : bValue - aValue;
    });
    
    rows.forEach(row => tbody.appendChild(row));
}

function filterUsers(input) {
    const filter = input.value.toLowerCase();
    const rows = document.querySelectorAll('.users-table tbody tr');
    
    rows.forEach(row => {
        const name = row.cells[1].textContent.toLowerCase();
        const email = row.cells[2].textContent.toLowerCase();
        const huaweiId = row.cells[3].textContent.toLowerCase();
        
        const matches = name.includes(filter) || 
                       email.includes(filter) || 
                       huaweiId.includes(filter);
                       
        row.style.display = matches ? '' : 'none';
    });
}

// 点击遮罩层关闭弹窗时也清空内容
document.getElementById('inviteesModal').addEventListener('click', function(e) {
    if (e.target === this) {
        closeInviteesModal();
    }
});
</script>

{% endblock %}