import type { ChangeEvent, ReactNode } from 'react';
import {
  CircleHelp,
  Code2,
  Expand,
  FolderOpen,
  Minimize,
  PanelLeft,
  PanelRight,
  Pause,
  Play,
  RotateCcw,
  Search,
  StepForward,
  Sun,
  Moon,
  Upload,
} from 'lucide-react';
import { Button, IconButton, Select } from '../../components/ui';
const fileActionClass =
  'inline-flex h-7 cursor-pointer items-center gap-1.5 rounded-md border border-border bg-surface px-2 text-xs font-medium text-text-primary transition-colors hover:bg-element-hover focus-within:ring-2 focus-within:ring-accent/30';
const fileActionLabelClass = 'hidden sm:inline';
export function WorkbenchHeader({
  paused,
  ready,
  speed,
  theme,
  loading,
  leftOpen,
  rightOpen,
  fullscreen,
  hasProject,
  center,
  endActions,
  compactMenu,
  onFiles,
  onFolder,
  onOpenSource,
  onTogglePause,
  onStep,
  onReset,
  onSpeed,
  onToggleLeft,
  onToggleRight,
  onToggleTheme,
  onHelp,
  onCommands,
  onToggleFullscreen,
}: {
  paused: boolean;
  ready: boolean;
  speed: number;
  theme: 'light' | 'dark';
  loading: boolean;
  leftOpen: boolean;
  rightOpen: boolean;
  fullscreen: boolean;
  hasProject?: boolean;
  center: ReactNode;
  endActions?: ReactNode;
  compactMenu?: ReactNode;
  onFiles: (event: ChangeEvent<HTMLInputElement>) => void;
  onFolder: (event: ChangeEvent<HTMLInputElement>) => void;
  onOpenSource?: () => void;
  onTogglePause: () => void;
  onStep: () => void;
  onReset: () => void;
  onSpeed: (value: number) => void;
  onToggleLeft: () => void;
  onToggleRight: () => void;
  onToggleTheme: () => void;
  onHelp: () => void;
  onCommands: () => void;
  onToggleFullscreen: () => void;
}) {
  return (
    <header className="relative z-40 grid h-10 shrink-0 grid-cols-[minmax(0,1fr)_auto_minmax(max-content,1fr)] items-center gap-2 border-b border-border bg-panel px-2.5">
      <div className="flex min-w-0 items-center gap-1">
        <h1 className="mr-2 hidden truncate border-r border-border pr-3 text-sm font-semibold text-text-primary xl:block">
          MuJoCo Web 仿真平台
        </h1>
        <label
          aria-disabled={loading}
          className={`${fileActionClass} ${loading ? 'pointer-events-none opacity-40' : ''}`}
        >
          <Upload className="h-3.5 w-3.5" />
          <span className={fileActionLabelClass}>打开文件</span>
          <input
            id="mujoco-project-files"
            aria-label="打开文件"
            className="sr-only"
            type="file"
            disabled={loading}
            multiple
            accept=".xml,.urdf,.zip,.obj,.stl,.dae,.msh,.png,.jpg,.jpeg,.bmp,.tga,.hdr"
            onChange={onFiles}
          />
        </label>
        <label
          aria-disabled={loading}
          className={`${fileActionClass} ${loading ? 'pointer-events-none opacity-40' : ''}`}
        >
          <FolderOpen className="h-3.5 w-3.5" />
          <span className={fileActionLabelClass}>文件夹</span>
          <input
            id="mujoco-project-folder"
            aria-label="打开文件夹"
            className="sr-only"
            type="file"
            disabled={loading}
            multiple
            {...({ webkitdirectory: '', directory: '' } as object)}
            onChange={onFolder}
          />
        </label>
        <IconButton
          tooltip="查看和修改缓存源代码"
          aria-label="源代码"
          disabled={!hasProject || loading}
          onClick={onOpenSource}
        >
          <Code2 className="h-4 w-4" />
        </IconButton>
      </div>
      <div className="flex items-center justify-center">{center}</div>
      <div className="flex min-w-0 items-center justify-end gap-0.5">
        <Button
          variant="ghost"
          onClick={onTogglePause}
          disabled={!ready}
          aria-label={paused ? '▶ 播放' : '⏸ 暂停'}
          icon={paused ? <Play className="h-3.5 w-3.5" /> : <Pause className="h-3.5 w-3.5" />}
        >
          {paused ? '播放' : '暂停'}
        </Button>
        <IconButton tooltip="单步" aria-label="单步" onClick={onStep} disabled={!ready || !paused}>
          <StepForward className="h-3.5 w-3.5" />
        </IconButton>
        <IconButton tooltip="重置" aria-label="重置" onClick={onReset} disabled={!ready}>
          <RotateCcw className="h-3.5 w-3.5" />
        </IconButton>
        <Select
          aria-label="仿真速度"
          value={speed}
          disabled={loading}
          onChange={(event) => onSpeed(Number(event.target.value))}
          className="w-[70px]"
        >
          <option value={0.25}>0.25×</option>
          <option value={0.5}>0.5×</option>
          <option value={1}>1×</option>
          <option value={2}>2×</option>
          <option value={4}>4×</option>
        </Select>
        <span className="mx-1 h-5 border-l border-border" />
        <IconButton
          tooltip={leftOpen ? '隐藏工程面板' : '显示工程面板'}
          aria-label={leftOpen ? '隐藏工程面板' : '显示工程面板'}
          aria-expanded={leftOpen}
          onClick={onToggleLeft}
        >
          <PanelLeft className="h-4 w-4" />
        </IconButton>
        <IconButton
          tooltip={rightOpen ? '隐藏属性面板' : '显示属性面板'}
          aria-label={rightOpen ? '隐藏属性面板' : '显示属性面板'}
          aria-expanded={rightOpen}
          onClick={onToggleRight}
        >
          <PanelRight className="h-4 w-4" />
        </IconButton>
        {endActions}
        {compactMenu}
        <IconButton
          className="hidden xl:inline-flex"
          tooltip="命令面板（Ctrl+K）"
          aria-label="打开命令面板"
          onClick={onCommands}
        >
          <Search className="h-4 w-4" />
        </IconButton>
        <IconButton
          className="hidden xl:inline-flex"
          tooltip={fullscreen ? '退出全屏' : '进入全屏'}
          aria-label={fullscreen ? '退出全屏' : '进入全屏'}
          onClick={onToggleFullscreen}
        >
          {fullscreen ? <Minimize className="h-4 w-4" /> : <Expand className="h-4 w-4" />}
        </IconButton>
        <IconButton
          className="hidden xl:inline-flex"
          tooltip="快捷键帮助"
          aria-label="快捷键帮助"
          onClick={onHelp}
        >
          <CircleHelp className="h-4 w-4" />
        </IconButton>
        <IconButton
          className="hidden xl:inline-flex"
          tooltip={theme === 'dark' ? '切换到白天主题' : '切换到黑夜主题'}
          aria-label={theme === 'dark' ? '切换到白天主题' : '切换到黑夜主题'}
          onClick={onToggleTheme}
        >
          {theme === 'dark' ? <Sun className="h-4 w-4" /> : <Moon className="h-4 w-4" />}
        </IconButton>
      </div>
    </header>
  );
}