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';
        const btn = document.getElementById('lang-toggle');
        if (btn) btn.textContent = this._current === 'zh' ? 'EN' : '中';
    },

    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;