{% extends "base.html" %}

{% block nav_dashboard %}nav-item-active{% endblock %}
{% block page_title %}仪表盘{% endblock %}

{% block content %}
<div class="dashboard-grid" style="margin-top: 0; padding-top: 8px;">
    <!-- 系统状态卡片 -->
    <div class="card">
        <div class="card-header">
            <i class="icons10-windows"></i>
            <h3>系统状态</h3>
        </div>
        <div class="card-content">
            <div class="status-item">
                <span class="status-label">插件状态:</span>
                <span class="status-value status-{{ 'success' if plugin_status.enabled else 'error' }}">
                    {{ '已启用' if plugin_status.enabled else '已禁用' }}
                </span>
            </div>
            <div class="status-item">
                <span class="status-label">QQ连接:</span>
                <span class="status-value status-{{ 'success' if websocket_status.connected else 'error' }}">
                    {{ '已连接' if websocket_status.connected else '断开连接' }}
                </span>
            </div>
            <div class="status-item">
                <span class="status-label">在线玩家:</span>
                <span class="status-value">{{ online_players_count }}</span>
            </div>
            <div class="status-item">
                <span class="status-label">绑定用户:</span>
                <span class="status-value">{{ bound_users_count }}</span>
            </div>
        </div>
    </div>

    <!-- 快速操作卡片 -->
    <div class="card">
        <div class="card-header">
            <i class="win-icon win-icon-Play"></i>
            <h3>快速操作</h3>
        </div>
        <div class="card-content">
            <div class="action-buttons">
                <button class="button button-primary" onclick="restartWebSocket()">
                    <i class="icons10-refresh"></i>
                    QQ重连
                </button>
                <button class="button button-accent" onclick="openConfig()">
                    <i class="icons10-services"></i>
                    配置管理
                </button>
                <button class="button button-secondary" onclick="window.location.href='/users'">
                    <i class="icons10-user-settings"></i>
                    用户管理
                </button>
                <button class="button button-secondary" onclick="window.location.href='https://qq.msfxp.top'">
                    <i class="icons10-idea"></i>
                    用户交流
                </button>
            </div>
        </div>
    </div>

    <!-- 消息统计卡片 -->
    <div class="card">
        <div class="card-header">
            <i class="win-icon win-icon-BarChart4"></i>
            <h3>消息统计</h3>
            <div class="chart-controls">
                <select id="chartPeriod" onchange="changeChartPeriod(this.value)">
                    <option value="7">7天</option>
                    <option value="30">30天</option>
                    <option value="90">90天</option>
                </select>
            </div>
        </div>
        <div class="card-content">
            <div class="chart-stats">
                <div class="stat-mini">
                    <span class="stat-label">今日消息:</span>
                    <span class="stat-value" id="todayMessages">0</span>
                </div>
                <div class="stat-mini">
                    <span class="stat-label">昨日消息:</span>
                    <span class="stat-value" id="yesterdayMessages">0</span>
                </div>
                <div class="stat-mini">
                    <span class="stat-label">周平均:</span>
                    <span class="stat-value" id="weeklyAverage">0</span>
                </div>
            </div>
            <div class="chart-container">
                <canvas id="messageChart" width="400" height="200"></canvas>
            </div>
        </div>
    </div>

    <!-- 历史消息 -->
    <div class="card card-wide">
        <div class="card-header">
            <i class="icons10-terminal"></i>
            <h3>历史消息</h3>
            <button class="button button-ghost" onclick="clearMessages()">
                <i class="icons10-trash"></i>
            </button>
        </div>
        <!-- 发送消息/命令表单 -->
        <div class="send-message-form card" style="margin-top: 24px; box-shadow: var(--shadow-card);">
            <div class="card-content">
                <form id="sendMessageForm" onsubmit="return sendMessageOrCommand(event)">
                    <div style="display: flex; gap: 12px; align-items: center; flex-wrap: wrap;">
                        <input type="text" id="messageInput" placeholder="输入消息或命令..." class="input" style="flex:1; min-width:180px;" required>
                        <select id="messageTarget" class="input" style="min-width:120px;">
                            <option value="game">发送到游戏</option>
                            <option value="qq">发送到QQ群</option>
                            <option value="console">控制台命令</option>
                        </select>
                        <button type="submit" class="button button-primary" style="min-width:100px;">
                            <i class="win-icon win-icon-Send"></i> 发送
                        </button>
                    </div>
                </form>
                <div class="form-tip" style="margin-top:10px; color:var(--text-secondary); font-size:12px;">
                    <span><i class="win-icon win-icon-Info"></i> 可直接发送聊天消息到游戏/QQ群，或输入控制台命令（如 <code>list</code>、<code>say hello</code>）。</span>
                </div>
            </div>
        </div>
        <div class="card-content">
            <div class="message-list" id="recentMessages">
                {% if recent_messages and recent_messages|length > 0 %}
                    {% for msg in recent_messages %}
                    <div class="message-item">
                        <div class="message-avatar">
                            <div class="avatar-placeholder">{{ msg.sender[0]|upper }}</div>
                        </div>
                        <div class="message-content">
                            <div class="message-header">
                                <span class="message-sender">{{ msg.sender }}</span>
                                <span class="message-time">{{ msg.timestamp|datetime('zh-CN') }}</span>
                            </div>
                            <div class="message-text">{{ msg.content }}</div>
                        </div>
                    </div>
                    {% endfor %}
                {% else %}
                    <div class="message-item empty-message"><div class="message-content"><div class="message-text" style="text-align: center; color: var(--text-secondary); font-style: italic; padding: 20px 0;">暂无消息</div></div></div>
                {% endif %}
            </div>
        </div>
    </div>
</div>
{% endblock %}

{% block scripts %}
<script>
// 仪表板相关的JavaScript代码
function restartWebSocket() {
    fetch('/api/websocket/restart', { method: 'POST' })
        .then(response => response.json())
        .then(data => {
            showNotification(data.success ? '重启成功' : '重启失败', data.success ? 'success' : 'error');
        });
}

function openConfig() {
    window.location.href = '/config';
}

function loadDashboardData() {
    fetch('/api/dashboard')
        .then(response => response.json())
        .then(data => {
            updateDashboardStats(data.stats);
            updateSystemStatus(data);
        })
        .catch(error => {
            console.error('加载仪表板数据失败:', error);
        });
}

function loadRecentMessagesOnly() {
    fetch('/api/dashboard')
        .then(response => response.json())
        .then(data => {
            updateRecentMessages(data.recent_messages);
        })
        .catch(error => {
            console.error('加载历史消息失败:', error);
        });
}

function updateDashboardStats(stats) {
    // 更新统计数字
    const statsElements = {
        'online-players': stats.online_players,
        'bound-users': stats.bound_users,
        'total-messages': stats.total_messages,
        'uptime': stats.uptime
    };
    
    Object.entries(statsElements).forEach(([id, value]) => {
        const element = document.getElementById(id);
        if (element) {
            element.textContent = value;
        }
    });
    
    // 更新WebSocket状态指示器
    const wsStatusElement = document.querySelector('.status-indicator');
    if (wsStatusElement) {
        wsStatusElement.className = `status-indicator ${stats.websocket_status === 'connected' ? 'status-online' : 'status-offline'}`;
    }
}

function updateSystemStatus(data) {
    // 更新配置状态
    if (data.config_status) {
        const configComplete = data.config_status.target_group_set && 
                             data.config_status.bot_qq_set && 
                             data.config_status.websocket_configured;
        
        const configStatusElement = document.querySelector('.config-status');
        if (configStatusElement) {
            configStatusElement.textContent = configComplete ? '已配置' : '待配置';
            configStatusElement.className = `config-status ${configComplete ? 'status-ok' : 'status-warning'}`;
        }
    }
    
    // 更新在线玩家列表
    if (data.online_players_list) {
        const playersElement = document.querySelector('.online-players-list');
        if (playersElement) {
            playersElement.innerHTML = data.online_players_list.length > 0 
                ? data.online_players_list.map(name => `<span class="player-tag">${name}</span>`).join('')
                : '<span class="no-players">暂无在线玩家</span>';
        }
    }
}

function updateRecentMessages(messages) {
    const container = document.getElementById('recentMessages');
    if (!messages || messages.length === 0) {
        container.innerHTML = '<div class="message-item empty-message"><div class="message-content"><div class="message-text" style="text-align: center; color: var(--text-secondary); font-style: italic; padding: 20px 0;">暂无消息</div></div></div>';
        return;
    }
    
    container.innerHTML = messages.map(msg => `
        <div class="message-item">
            <div class="message-avatar">
                <div class="avatar-placeholder">${getInitials(msg.sender)}</div>
            </div>
            <div class="message-content">
                <div class="message-header">
                    <span class="message-sender">${escapeHtml(msg.sender)}</span>
                    <span class="message-time">${formatMessageTime(msg.timestamp)}</span>
                </div>
                <div class="message-text">${formatMessageContent(msg.content)}</div>
            </div>
        </div>
    `).join('');
}

function addRealtimeMessage(message) {
    const container = document.getElementById('recentMessages');
    
    // 创建新消息元素
    const messageElement = document.createElement('div');
    messageElement.className = 'message-item';
    messageElement.innerHTML = `
        <div class="message-avatar">
            <div class="avatar-placeholder">${getInitials(message.sender)}</div>
        </div>
        <div class="message-content">
            <div class="message-header">
                <span class="message-sender">${escapeHtml(message.sender)}</span>
                <span class="message-time">${formatMessageTime(message.timestamp)}</span>
            </div>
            <div class="message-text">${formatMessageContent(message.content)}</div>
        </div>
    `;
    
    // 添加到容器顶部
    container.insertBefore(messageElement, container.firstChild);
    
    // 限制消息数量，保持最新的50条
    while (container.children.length > 50) {
        container.removeChild(container.lastChild);
    }
}

function formatMessageTime(timestamp) {
    const date = new Date(timestamp * 1000);
    const now = new Date();
    const diff = now - date;
    
    if (diff < 60000) { // 1分钟内
        return '刚刚';
    } else if (diff < 3600000) { // 1小时内
        return `${Math.floor(diff / 60000)}分钟前`;
    } else if (diff < 86400000) { // 24小时内
        return `${Math.floor(diff / 3600000)}小时前`;
    } else {
        return date.toLocaleString('zh-CN');
    }
}

// HTML转义函数，防止XSS攻击
function escapeHtml(text) {
    const div = document.createElement('div');
    div.textContent = text;
    return div.innerHTML;
}

// 获取用户名的首字母用于头像显示
function getInitials(name) {
    if (!name) return '?';
    return name.charAt(0).toUpperCase();
}

// 格式化消息内容，支持简单的换行和链接识别
function formatMessageContent(content) {
    if (!content) return '';
    
    // 先转义HTML
    let formatted = escapeHtml(content);
    
    // 处理换行
    formatted = formatted.replace(/\n/g, '<br>');
    
    // 简单的URL识别和链接化
    formatted = formatted.replace(
        /(https?:\/\/[^\s]+)/g,
        '<a href="$1" target="_blank" rel="noopener noreferrer" style="color: var(--primary-color); text-decoration: underline;">$1</a>'
    );
    
    return formatted;
}

function clearMessages() {
    const container = document.getElementById('recentMessages');
    container.innerHTML = '<div class="message-item"><div class="message-content"><div class="message-text" style="text-align: center; color: var(--text-secondary); font-style: italic;">消息已清空</div></div></div>';
}

// 消息统计图表相关变量
let messageChart = null;

function loadMessageStats(days = 7) {
    fetch(`/api/messages/stats?days=${days}`)
        .then(response => response.json())
        .then(data => {
            if (data.success) {
                updateMessageChart(data.data);
                updateChartStats(data.data);
            } else {
                console.error('获取消息统计失败:', data.error);
            }
        })
        .catch(error => {
            console.error('加载消息统计失败:', error);
        });
}

function changeChartPeriod(days) {
    loadMessageStats(parseInt(days));
}

function updateChartStats(stats) {
    const dailyStats = stats.daily_stats || {};
    const dates = Object.keys(dailyStats).sort();
    
    if (dates.length > 0) {
        // 今日消息（最后一天）
        const todayMessages = dailyStats[dates[dates.length - 1]] || 0;
        document.getElementById('todayMessages').textContent = todayMessages;
        
        // 昨日消息（倒数第二天）
        const yesterdayMessages = dates.length > 1 ? (dailyStats[dates[dates.length - 2]] || 0) : 0;
        document.getElementById('yesterdayMessages').textContent = yesterdayMessages;
        
        // 周平均
        const totalMessages = Object.values(dailyStats).reduce((sum, val) => sum + val, 0);
        const weeklyAverage = dates.length > 0 ? Math.round(totalMessages / dates.length) : 0;
        document.getElementById('weeklyAverage').textContent = weeklyAverage;
    }
}

function updateMessageChart(stats) {
    const ctx = document.getElementById('messageChart');
    if (!ctx) return;
    
    // 如果图表已存在，先销毁
    if (messageChart) {
        messageChart.destroy();
    }
    
    // 准备数据
    const dailyLabels = Object.keys(stats.daily_stats || {});
    const dailyData = Object.values(stats.daily_stats || {});
    
    // 创建混合图表：柱状图 + 折线图
    messageChart = new Chart(ctx, {
        type: 'bar',
        data: {
            labels: dailyLabels,
            datasets: [{
                type: 'bar',
                label: '每日消息数',
                data: dailyData,
                backgroundColor: 'rgba(0, 120, 212, 0.6)',
                borderColor: 'rgba(0, 120, 212, 1)',
                borderWidth: 1,
                yAxisID: 'y'
            }, {
                type: 'line',
                label: '累计趋势',
                data: dailyData.map((val, index) => 
                    dailyData.slice(0, index + 1).reduce((sum, v) => sum + v, 0)
                ),
                borderColor: 'rgba(16, 124, 16, 1)',
                backgroundColor: 'rgba(16, 124, 16, 0.1)',
                borderWidth: 2,
                fill: false,
                yAxisID: 'y1'
            }]
        },
        options: {
            responsive: true,
            maintainAspectRatio: false,
            plugins: {
                title: {
                    display: true,
                    text: `消息统计 (总计: ${stats.total_messages || 0})`,
                    font: {
                        size: 14
                    }
                },
                legend: {
                    display: true,
                    position: 'top'
                },
                tooltip: {
                    mode: 'index',
                    intersect: false
                }
            },
            scales: {
                x: {
                    display: true,
                    title: {
                        display: true,
                        text: '日期'
                    }
                },
                y: {
                    type: 'linear',
                    display: true,
                    position: 'left',
                    title: {
                        display: true,
                        text: '消息数量'
                    },
                    beginAtZero: true
                },
                y1: {
                    type: 'linear',
                    display: true,
                    position: 'right',
                    title: {
                        display: true,
                        text: '累计数量'
                    },
                    beginAtZero: true,
                    grid: {
                        drawOnChartArea: false
                    }
                }
            },
            interaction: {
                mode: 'index',
                intersect: false
            }
        }
    });
}

// 页面加载时初始化
document.addEventListener('DOMContentLoaded', function() {
    // 初始加载仪表盘数据和统计
    loadDashboardData();
    loadMessageStats();
    // 每30秒刷新仪表盘和统计
    setInterval(() => {
        loadDashboardData();
        loadMessageStats();
    }, 30000);
    // 每1秒只刷新历史消息
    setInterval(() => {
        loadRecentMessagesOnly();
    }, 1000);
});

        
// 发送消息/命令到后端
function sendMessageOrCommand(event) {
    event.preventDefault();
    const input = document.getElementById('messageInput');
    const target = document.getElementById('messageTarget').value;
    const value = input.value.trim();
    if (!value) return false;

    let url = '';
    let payload = {};
    if (target === 'game') {
        url = '/api/messages/send_game';
        payload = { message: value };
    } else if (target === 'qq') {
        url = '/api/messages/send';
        payload = { message: value };
    } else if (target === 'console') {
        url = '/api/messages/console';
        payload = { command: value };
    }

    fetch(url, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify(payload)
    })
    .then(response => response.json())
    .then(data => {
        if (data.success) {
            showNotification('操作成功', 'success');
            input.value = '';
        } else {
            showNotification(data.message || data.error || '操作失败', 'error');
        }
        // 刷新历史消息
        loadDashboardData();
    })
    .catch(err => {
        showNotification('请求失败', 'error');
    });
    return false;
}

</script>

<style>
/* 消息统计卡片样式 */
.dashboard-grid {
    margin-top: -16px !important;
    padding-top: 0 !important;
}
.card, .card-wide, .send-message-form.card {
    margin-top: 12px !important;
}
.chart-controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

.chart-controls select {
    padding: 4px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background: var(--surface-color);
    color: var(--text-primary);
    font-size: 12px;
}

.chart-stats {
    display: flex;
    justify-content: space-between;
    margin-bottom: 16px;
    padding: 12px;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.stat-mini {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.stat-mini .stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-mini .stat-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.chart-container {
    position: relative;
    height: 200px;
    width: 100%;
}

/* 图表悬停效果 */
.chart-container:hover {
    transform: scale(1.01);
    transition: transform 0.2s ease;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .chart-stats {
        flex-direction: column;
        gap: 12px;
    }
    
    .stat-mini {
        flex-direction: row;
        justify-content: space-between;
        width: 100%;
    }
    
    .chart-container {
        height: 180px;
    }
}

/* 消息列表样式 */
.message-list {
    height: calc(5 * 64px + 4 * 12px); /* 5条消息高度+4个间隔 */
    min-height: 0;
    max-height: none;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.message-item {
    min-height: 64px;
}

.message-item {
    display: flex;
    gap: 12px;
    padding: 12px;
    background: var(--surface-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.message-item:hover {
    background: rgba(0, 0, 0, 0.02);
    border-color: var(--primary-color);
}

.message-avatar {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.message-content {
    flex: 1;
    min-width: 0;
}

.message-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.message-sender {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 14px;
}

.message-time {
    font-size: 12px;
    color: var(--text-secondary);
}

.message-text {
    color: var(--text-primary);
    line-height: 1.4;
    word-wrap: break-word;
    word-break: break-word;
}

/* 消息列表滚动条样式 */
.message-list::-webkit-scrollbar {
    width: 6px;
}

.message-list::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 3px;
}

.message-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.message-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* 空状态消息样式 */
.message-item.empty-message {
    justify-content: center;
    background: rgba(0, 0, 0, 0.01);
    border: 1px dashed var(--border-color);
}

.message-item.empty-message:hover {
    background: rgba(0, 0, 0, 0.01);
    border-color: var(--border-color);
}

/* 响应式消息列表 */
@media (max-width: 768px) {
    .message-list {
        max-height: 300px;
        gap: 8px;
    }
    
    .message-item {
        padding: 10px;
        gap: 10px;
    }
    
    .message-avatar {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    
    .message-sender {
        font-size: 13px;
    }
    
    .message-time {
        font-size: 11px;
    }
    
    .message-text {
        font-size: 14px;
    }
}

/* 发送消息/命令表单美化 */
.send-message-form.card {
    margin-top: 24px;
    border-radius: 10px;
    box-shadow: var(--shadow-card);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 0;
}
.send-message-form .card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 18px 10px 18px;
    background: none;
    border-bottom: 1px solid var(--border-color);
}
.send-message-form .card-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}
.send-message-form .card-content {
    padding: 18px;
}
.send-message-form .input {
    border-radius: 6px;
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    font-size: 14px;
    background: var(--surface-color);
    color: var(--text-primary);
    transition: border-color 0.2s;
}
.send-message-form .input:focus {
    border-color: var(--primary-color);
    outline: none;
}
.send-message-form button {
    border-radius: 6px;
    font-size: 14px;
    padding: 8px 18px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.send-message-form .form-tip {
    margin-top: 10px;
    color: var(--text-secondary);
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}
</style>
{% endblock %}