import { useState, type ComponentProps } from 'react';
import { createRoot } from 'react-dom/client';
import { TeacherCompanion } from '../../../src/pages/Chat/TeacherCompanion';
import { AgentBrowserPanel } from '../../../src/pages/Chat/AgentBrowserPanel';
import '../../../src/styles/globals.css';
import '../../../src/pages/Chat/classroom-workspace.css';

// Render the production bubble and preview in an isolated browser. No Electron
// window is launched, and no user project, provider, or live Host API is used.
export function Layout() {
  const [bubble, setBubble] = useState<HTMLDivElement | null>(null);
  const [introduction, setIntroduction] = useState<HTMLDivElement | null>(null);
  const [visible, setVisible] = useState(!new URLSearchParams(location.search).has('quiet'));
  const [open, setOpen] = useState(false);
  const [width, setWidth] = useState(508);
  const [long, setLong] = useState(true);
  const [count, setCount] = useState(Number(new URLSearchParams(location.search).get('agents') ?? 0));
  const [refreshing, setRefreshing] = useState(false);
  const [refreshStatus, setRefreshStatus] = useState<'idle' | 'success' | 'error'>('idle');
  const [selected, setSelected] = useState(0);
  const welcomeMode = new URLSearchParams(location.search).has('welcomes');
  const [dismissed, setDismissed] = useState<string[]>([]);
  const agents = Array.from({ length: count }, (_, index) => ({
    teacher_id: `agent-${index}`, version: index + 1, is_default: index === 0,
    definition: { config_id: `agent-${index}`, name: `智能体${index + 1}`, avatar_id: 'avatar-06',
      description: `我是智能体${index + 1}，陪你把脑洞变成小作品。一起发现有趣的问题，也一起想清楚下一步怎么做。`,
      icon_url: new URLSearchParams(location.search).has('icons') ? `https://yuxi.example.test/api/storage/public/images/agent-${index}.png` : undefined },
  }));
  const companion = {
    agents, unreadAgentIds: [], selectedAgent: agents[selected],
    definition: agents[selected]?.definition ?? { name: '编程老师', avatar_id: 'avatar-06' },
    invitation: !welcomeMode && visible ? { response: long ? '你刚才说想做一个宠物游戏。我们一起想想，什么样的小动作，会让你愿意一直陪它玩下去？可以先挑一个最想试的想法。' : '有什么编程问题想一起讨论？' } : null,
    welcome: null, enabled: true, loading: false, checking: false, error: null,
    welcomes: welcomeMode && !open ? agents.flatMap((agent, index) => dismissed.includes(agent.teacher_id) ? [] : [{ agentId: agent.teacher_id, definition: agent.definition, text: agent.definition.description, tone: index % 3 }]) : [],
    dismissWelcome: (id: string) => setDismissed(ids => [...new Set([...ids, id])]),
    dismissWelcomes: () => setDismissed(agents.map(agent => agent.teacher_id)),
    refreshing, refreshStatus,
    refresh: async () => {
      setRefreshing(true);
      setRefreshStatus('idle');
      await new Promise((resolve) => window.setTimeout(resolve, 100));
      setCount((current) => current + 1);
      setRefreshStatus('success');
      setRefreshing(false);
    },
    reloadCatalog: async () => {},
    dismiss: () => setVisible(false),
  } as ComponentProps<typeof TeacherCompanion>['companion'];
  return <div className="classroom-workspace flex h-screen flex-col bg-white">
    <header className="relative z-50 flex h-10 shrink-0 items-center justify-end border-b px-3" data-testid="coding-conversation-header">
      <span className="mr-auto min-w-0 truncate text-xs">布局测试项目 › hello</span>
      <TeacherCompanion companion={companion} open={open}
        onOpen={(id) => { if (id) setSelected(agents.findIndex((item) => item.teacher_id === id)); setOpen(true); }}
        onToggle={(id) => { if (!id || id === agents[selected]?.teacher_id) setOpen(!open); else { setSelected(agents.findIndex((item) => item.teacher_id === id)); setOpen(true); } }}
        bubbleRef={setBubble} introductionRef={setIntroduction} />
      <span data-testid="window-controls" className="w-[132px] shrink-0 text-center text-xs">— □ ×</span>
    </header>
    <div className="relative flex min-h-0 flex-1" data-testid="coding-chat-panel" data-consultation-open={open}>
      <main className="flex min-w-0 flex-1 flex-col">
        <div className="classroom-tabs" role="tablist"><button role="tab">操作对话</button><button role="tab" aria-selected="true">作品</button></div>
        <div className="classroom-work-view flex min-h-0 flex-1 flex-col p-5" data-testid="work-view">
          <AgentBrowserPanel projectId="layout-fixture" embedded open teacherBubble={bubble} teacherIntroduction={introduction} onOpenChange={() => {}} />
        </div>
      </main>
      {open && <aside id="coding-consultation-dock" className="classroom-consultation-dock consultation-pane shrink-0 border-l p-5" style={{ width }}>
        <p className="mb-8 text-sm">老师对话（布局测试）</p>
        <label className="block text-xs">智能体栏宽度<input aria-label="智能体栏宽度" type="range" min="320" max="640" value={width} onChange={(event) => setWidth(Number(event.target.value))} /></label>
        <button className="mt-6 text-xs" onClick={() => setOpen(false)}>关闭智能体栏</button>
      </aside>}
    </div>
    <footer className="flex shrink-0 gap-5 border-t p-2 text-xs">
      <button onClick={() => { setVisible(true); setLong(!long); }}>切换消息长度</button>
      <span>隔离布局测试：作品区域仅为占位，不连接真实项目</span>
    </footer>
  </div>;
}
createRoot(document.getElementById('root')!).render(<Layout />);