/* Ready-made prompts use reviewed local clips; clicks never create generation jobs. */
(function(){
'use strict';
const stage=document.querySelector('#stage'),panel=document.querySelector('#menu-presets'),chatPanel=document.querySelector('#chat-presets');
if(!stage||!panel||document.documentElement.classList.contains('content-reader'))return;
const presets=[
  {
    "id": "greeting",
    "label": "打个招呼吧",
    "title": "打个招呼",
    "script": "你好呀，我是知微，很高兴见到你。想了解什么，或是随便聊聊，都可以告诉我。",
    "width": 1920,
    "height": 1080,
    "render_profile": "scene-seedance25-v2",
    "url": "static/assets/zhiwei-menu-presets-20261023-v1/greeting.mp4"
  },
  {
    "id": "introduction",
    "label": "认识一下知微",
    "title": "认识知微",
    "script": "我是知微，你的虚拟工场 AI 向导。我可以陪你浏览新闻、产品、案例和服务，也可以和你聊聊新想法。",
    "width": 1920,
    "height": 1080,
    "render_profile": "scene-seedance25-v2",
    "url": "static/assets/zhiwei-menu-presets-20261023-v1/introduction.mp4"
  },
  {
    "id": "how-to",
    "label": "教我怎么用",
    "title": "怎么使用",
    "script": "点下方菜单浏览内容，点输入就能和我对话。想找某个产品或案例，直接告诉我名字就好。",
    "width": 1920,
    "height": 1080,
    "render_profile": "scene-seedance25-v2",
    "url": "static/assets/zhiwei-menu-presets-20261023-v1/how-to.mp4"
  },
  {
    "id": "small-talk",
    "label": "聊聊项目想法",
    "title": "项目想法",
    "script": "先从一个轻松的话题开始吧。最近有什么有趣的发现，或者想尝试的新点子？我在听。",
    "width": 1920,
    "height": 1080,
    "render_profile": "scene-seedance25-v2",
    "url": "static/assets/zhiwei-menu-presets-20261023-v1/small-talk.mp4"
  }
];
const panels=[panel,chatPanel].filter(Boolean),statuses=panels.map(p=>p.querySelector('.preset-status'));
const buttons=new Map(),defaultStatus='点一个提示，听知微说说';
const testMode=new URLSearchParams(location.search).get('avatar-test')==='seedance25';
function say(text){for(const status of statuses)status.textContent=text}
for(const target of panels)for(const preset of presets){
 const button=document.createElement('button');button.type='button';button.className='preset-button';
 button.dataset.preset=preset.id;button.setAttribute('aria-pressed','false');
 button.setAttribute('aria-label',preset.label+'，播放预设短片');
 const icon=document.createElement('span');icon.className='preset-icon';icon.setAttribute('aria-hidden','true');icon.textContent='✦';
 const text=document.createElement('span');text.textContent=preset.label;
 button.append(icon,text);
 button.addEventListener('click',()=>{
  if(button.closest('[hidden],[inert]'))return;
  if(!window.NewsBroadcast?.playPreset?.(preset))say('短片暂时无法播放，可以重试或直接输入问题。');
 });
 target.querySelector('.preset-actions').append(button);
 if(!buttons.has(preset.id))buttons.set(preset.id,[]);
 buttons.get(preset.id).push(button);
}
function sync(){
 const chatMode=stage.classList.contains('chat-active');
 const menuVisible=!testMode&&!chatMode&&!stage.classList.contains('panels-hidden');
 panel.hidden=!menuVisible;panel.inert=!menuVisible;panel.setAttribute('aria-hidden',String(!menuVisible));
 // The chat parent owns its mode animation and focus; keep this block's height stable.
 if(chatPanel){chatPanel.hidden=testMode;chatPanel.inert=testMode;chatPanel.setAttribute('aria-hidden',String(testMode))}
 if(!menuVisible&&(!chatMode||testMode))window.NewsBroadcast?.stopPreset?.();
}
window.addEventListener('zhiwei-preset-playback',event=>{
 const {id,phase}=event.detail||{},preset=presets.find(p=>p.id===id);
 for(const [key,copies] of buttons)for(const button of copies){
  const active=key===id&&['loading','playing','paused'].includes(phase);
  button.classList.toggle('active',active);button.setAttribute('aria-pressed',String(active));
  button.setAttribute('aria-busy',String(active&&phase==='loading'));
 }
 if(!preset){say(defaultStatus);return}
 say(phase==='loading'?'正在准备：'+preset.title+'…':
  phase==='playing'?'知微正在说：'+preset.title:
  phase==='paused'?'已暂停，可用播放按钮继续':
  phase==='ended'?'说说你想了解的产品、服务或项目需求。':
  phase==='blocked'?'浏览器暂未播放声音，请点击「播放」重试。':
  phase==='error'?'短片暂时无法播放，可以重试或直接输入问题。':defaultStatus);
});
new MutationObserver(sync).observe(stage,{attributes:true,attributeFilter:['class']});
say(defaultStatus);sync();
})();