From 3514612f7a8f8fd44da3c3919cc7364a4331962f Mon Sep 17 00:00:00 2001
From: AskaEth <i@yeij.top>
Date: Sun, 26 Jul 2026 18:45:23 +0800
Subject: [PATCH] feat: #8 i18n support (zh/en toggle)

---
 static/js/app.js        |  2 ++
 static/js/utils/lang.js | 67 +++++++++++++++++++++++++++++++++++++++++
 templates/index.html    |  2 ++
 3 files changed, 71 insertions(+)
 create mode 100644 static/js/utils/lang.js

diff --git a/static/js/app.js b/static/js/app.js
index 119a713..211e7f4 100644
--- a/static/js/app.js
+++ b/static/js/app.js
@@ -1,4 +1,5 @@
 (function () {
+    Lang.init();
     Theme.init();
     WS.init();
     Sidebar.init();
@@ -11,6 +12,7 @@
     Router.init();
 
     document.getElementById('theme-toggle').addEventListener('click', () => Theme.toggle());
+    document.getElementById('lang-toggle').addEventListener('click', () => Lang.toggle());
 
     console.log('%cTurboSu %cReady',
         'color:#667eea;font-size:16px;font-weight:bold;',
diff --git a/static/js/utils/lang.js b/static/js/utils/lang.js
new file mode 100644
index 0000000..99875f4
--- /dev/null
+++ b/static/js/utils/lang.js
@@ -0,0 +1,67 @@
+const Lang = {
+    _current: 'zh',
+    _strings: {
+        zh: {
+            home: '首页', dashboard: '仪表盘', scene: '场景', settings: '设置',
+            debug: '数据测试', selectGame: '选择游戏', collapsed: '折叠侧边栏',
+            connected: '已连接', disconnected: '未连接', speed: '实时速度', rpm: '实时转速',
+            gear: '当前档位', server: '服务器状态', telemetry: '遥测监听',
+            connections: 'WebSocket 连接', packets: '数据包接收', lastPacket: '最后数据包',
+            currentGame: '当前游戏', systemOverview: '系统概览', running: '运行中',
+            stopped: '已停止', notStarted: '未启动', noData: '暂无数据', client: '个客户端',
+            notSelected: '未选择', packetsUnit: '包', secAgo: '秒前',
+            importTsd: '导入 .tsd', importTss: '导入 .tss', importTsp: '导入 .tsp',
+            export: '导出', delete: '删除', edit: '编辑', render: '渲染', save: '保存',
+            cancel: '取消', create: '新建场景', sceneName: '场景名称',
+            search: '搜索仪表盘...', sort: '排序', all: '全部', none: '暂无',
+            forward: '数据转发', addTarget: '+ 添加目标', saveActive: '保存并生效',
+            connectionSettings: '连接设置', telemetryPort: '遥测监听端口',
+            unifiedPort: '统一端口', perGamePort: '各游戏独立端口',
+            restart: '重启监听', pluginSettings: '游戏插件管理',
+            plugins: '游戏插件', reload: '重新加载', backup: '数据备份',
+            exportBackup: '下载 .tsb', importBackup: '导入 .tsb',
+            devTools: '开发工具', testMode: 'UI 测试模式',
+            system: '系统', restartServer: '重启服务',
+            about: '关于', author: 'Yei.J. (AskaEth)',
+        },
+        en: {
+            home: 'Home', dashboard: 'Dashboard', scene: 'Scene', settings: 'Settings',
+            debug: 'Debug', selectGame: 'Select Game', collapsed: 'Collapse',
+            connected: 'Connected', disconnected: 'Disconnected', speed: 'Speed', rpm: 'RPM',
+            gear: 'Gear', server: 'Server', telemetry: 'Telemetry',
+            connections: 'Connections', packets: 'Packets', lastPacket: 'Last Packet',
+            currentGame: 'Game', systemOverview: 'Overview', running: 'Running',
+            stopped: 'Stopped', notStarted: 'Off', noData: 'No Data', client: ' clients',
+            notSelected: 'None', packetsUnit: 'pkt', secAgo: 's ago',
+            importTsd: 'Import .tsd', importTss: 'Import .tss', importTsp: 'Import .tsp',
+            export: 'Export', delete: 'Delete', edit: 'Edit', render: 'Render', save: 'Save',
+            cancel: 'Cancel', create: 'New Scene', sceneName: 'Name',
+            search: 'Search...', sort: 'Sort', all: 'All', none: 'None',
+            forward: 'Forward', addTarget: '+ Add', saveActive: 'Save',
+            connectionSettings: 'Connection', telemetryPort: 'Port',
+            unifiedPort: 'Unified', perGamePort: 'Per Game',
+            restart: 'Restart', pluginSettings: 'Plugins',
+            plugins: 'Plugins', reload: 'Reload', backup: 'Backup',
+            exportBackup: 'Download .tsb', importBackup: 'Import .tsb',
+            devTools: 'Dev Tools', testMode: 'Test Mode',
+            system: 'System', restartServer: 'Restart',
+            about: 'About', author: 'Yei.J. (AskaEth)',
+        }
+    },
+
+    init() {
+        this._current = localStorage.getItem('turbosu-lang') || 'zh';
+    },
+
+    t(key) {
+        return (this._strings[this._current] || this._strings.zh)[key] || key;
+    },
+
+    toggle() {
+        this._current = this._current === 'zh' ? 'en' : 'zh';
+        localStorage.setItem('turbosu-lang', this._current);
+        location.reload();
+    }
+};
+
+window.Lang = Lang;
diff --git a/templates/index.html b/templates/index.html
index bd31ac1..197068a 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -84,6 +84,7 @@
                         <svg class="icon-sun" viewBox="0 0 24 24" width="20" height="20"><path d="M6.76 4.84l-1.8-1.79-1.41 1.41 1.79 1.79zM4 10.5H1v2h3zm9-9.95h-2V3.5h2zm7.45 3.91l-1.41-1.41-1.79 1.79 1.41 1.41zm-3.21 13.7l1.79 1.8 1.41-1.41-1.8-1.79zM20 10.5v2h3v-2zm-8-5c-3.31 0-6 2.69-6 6s2.69 6 6 6 6-2.69 6-6-2.69-6-6-6zm-1 16.95h2V19.5h-2zm-7.45-3.91l1.41 1.41 1.79-1.8-1.41-1.41z" fill="currentColor"/></svg>
                         <svg class="icon-moon" viewBox="0 0 24 24" width="20" height="20"><path d="M9.37 5.51c-.18.64-.27 1.31-.27 1.99 0 4.08 3.32 7.4 7.4 7.4.68 0 1.35-.09 1.99-.27C17.45 17.19 14.93 19 12 19c-3.86 0-7-3.14-7-7 0-2.93 1.81-5.45 4.37-6.49z" fill="currentColor"/></svg>
                     </button>
+                    <button id="lang-toggle" class="icon-btn" title="Language" style="font-size:13px;font-weight:600">中</button>
                 </div>
             </header>
 
@@ -104,6 +105,7 @@
 
     <script src="/static/js/utils/theme.js"></script>
     <script src="/static/js/utils/toast.js"></script>
+    <script src="/static/js/utils/lang.js"></script>
     <script src="/static/js/api.js"></script>
     <script src="/static/js/ws.js"></script>
     <script src="/static/js/components/sidebar.js"></script>