/**
 * Minimal zh/en copy for the sidebar. The plugin renders outside the slot
 * system's locale seat, so it reads the browser language directly (the DSH
 * locale preference and the browser language agree in practice; both default
 * from navigator.language anyway).
 */

const zh = {
  explorer: '资源管理器',
  git: '源代码管理',
  terminal: '终端',
  editor: '编辑器',
  newTab: '新建标签页',
  openExplorer: '资源管理器',
  openGit: 'Git 面板',
  newTerminal: '新终端',
  terminalLimit: '终端数量已达上限 (3)',
  close: '关闭',
  collapse: '折叠侧边栏',
  expand: '展开侧边栏',
  expandFullscreen: '展开为全屏',
  restoreFullscreen: '还原宽度',
  terminalError: '终端连接失败',
  terminalConnectFailed: '终端多次连接失败',
  terminalRetry: '重试',
  preview: '预览',
  edit: '编辑',
  refresh: '刷新',
  save: '保存',
  saved: '已保存',
  unsaved: '未保存',
  saveFailed: '保存失败',
  truncation: '文件过大，仅显示前 512KB',
  binary: '二进制文件，无法预览',
  loading: '加载中…',
  error: '加载失败',
  retry: '重试',
  splitLeft: '向左分栏',
  splitRight: '向右分栏',
  splitUp: '向上分栏',
  splitDown: '向下分栏',
  notRepo: '当前目录不是 git 仓库',
  noChanges: '没有变更',
  stage: '暂存',
  unstage: '取消暂存',
  stageAll: '全部暂存',
  unstageAll: '全部取消暂存',
  commitPlaceholder: '提交信息 (Ctrl+Enter)',
  commit: '提交',
  commitError: '提交失败',
  branch: '分支',
  checkoutError: '切换分支失败',
  history: '历史',
  changes: '变更',
  staged: '已暂存',
  unstaged: '未暂存',
  produced: '本次产出',
  producedOpen: '在侧边栏中打开',
  disconnected: '终端连接断开，重连中…',
  exited: '终端进程已退出',
  noSession: '选择一个会话以使用侧边栏',
  hiddenFiles: '隐藏文件',
  parent: '上级目录',
  copied: '已复制',
  copy: '复制',
  newFile: '新文件',
  openEditor: '打开编辑器',
  gitDetail: '查看变更详情',
  referenceFile: '@文件',
  copyRelative: '复制相对地址',
  copyAbsolute: '复制绝对地址',
}

const en: Record<keyof typeof zh, string> = {
  explorer: 'Explorer',
  git: 'Source Control',
  terminal: 'Terminal',
  editor: 'Editor',
  newTab: 'New tab',
  openExplorer: 'Explorer',
  openGit: 'Git panel',
  newTerminal: 'New terminal',
  terminalLimit: 'Terminal limit reached (3)',
  close: 'Close',
  collapse: 'Collapse sidebar',
  expand: 'Expand sidebar',
  expandFullscreen: 'Expand to full width',
  restoreFullscreen: 'Restore width',
  terminalError: 'Terminal connection failed',
  terminalConnectFailed: 'Terminal failed to connect repeatedly',
  terminalRetry: 'Retry',
  preview: 'Preview',
  edit: 'Edit',
  refresh: 'Refresh',
  save: 'Save',
  saved: 'Saved',
  unsaved: 'Unsaved',
  saveFailed: 'Save failed',
  truncation: 'File too large — showing the first 512KB',
  binary: 'Binary file, preview unavailable',
  loading: 'Loading…',
  error: 'Failed to load',
  retry: 'Retry',
  splitLeft: 'Split left',
  splitRight: 'Split right',
  splitUp: 'Split up',
  splitDown: 'Split down',
  notRepo: 'This directory is not a git repository',
  noChanges: 'No changes',
  stage: 'Stage',
  unstage: 'Unstage',
  stageAll: 'Stage all',
  unstageAll: 'Unstage all',
  commitPlaceholder: 'Commit message (Ctrl+Enter)',
  commit: 'Commit',
  commitError: 'Commit failed',
  branch: 'Branch',
  checkoutError: 'Branch switch failed',
  history: 'History',
  changes: 'Changes',
  staged: 'Staged',
  unstaged: 'Unstaged',
  produced: 'Produced',
  producedOpen: 'Open in sidebar',
  disconnected: 'Terminal disconnected, reconnecting…',
  exited: 'Terminal process exited',
  noSession: 'Select a conversation to use the sidebar',
  hiddenFiles: 'Hidden files',
  parent: 'Parent directory',
  copied: 'Copied',
  copy: 'Copy',
  newFile: 'New file',
  openEditor: 'Open editor',
  gitDetail: 'View change details',
  referenceFile: '@file',
  copyRelative: 'Copy relative path',
  copyAbsolute: 'Copy absolute path',
}

/** Translate a copy key in the browser's language (zh → zh, else en). */
export type CopyKey = keyof typeof zh

export function t(key: CopyKey): string {
  const lang = typeof navigator !== 'undefined' ? navigator.language : 'en'
  const dict = lang.toLowerCase().startsWith('zh') ? zh : en
  return dict[key]
}

/** Whether the browser language is Chinese (used for selectors). */
export function isZh(): boolean {
  return typeof navigator !== 'undefined' && navigator.language.toLowerCase().startsWith('zh')
}