(()=>{
  'use strict';
  const critical=img=>img.closest('header,.brand,#sunCloudAuthGate,.sun-auth-gate')||img.id==='sunLoginLogo'||img.classList.contains('sun-live-catalog-logo');
  const tune=img=>{
    if(!(img instanceof HTMLImageElement)||critical(img))return;
    if(!img.hasAttribute('loading'))img.loading='lazy';
    if(!img.hasAttribute('decoding'))img.decoding='async';
    if(!img.hasAttribute('fetchpriority'))img.setAttribute('fetchpriority','low');
  };
  const scan=root=>{
    if(root instanceof HTMLImageElement)tune(root);
    root?.querySelectorAll?.('img').forEach(tune);
  };

  const MAX_FILE=15*1024*1024,TARGET=2*1024*1024,MAX_SIDE=2048;
  const guardedInputs=new WeakSet();
  const toast=(text,type='info',ms=4500)=>{try{return window.SunEnterprise?.toast?.(text,type,ms)}catch(_){}};
  const jpegName=name=>String(name||'photo').replace(/\.[^.]+$/,'')+'.jpg';
  const canvasBlob=(canvas,type,quality)=>new Promise((resolve,reject)=>canvas.toBlob(b=>b?resolve(b):reject(new Error('Не удалось сжать изображение.')),type,quality));
  async function decodeImage(file){
    if('createImageBitmap' in window){const bitmap=await createImageBitmap(file);return {source:bitmap,width:bitmap.width,height:bitmap.height,close:()=>bitmap.close?.()};}
    const url=URL.createObjectURL(file);try{const img=new Image();await new Promise((resolve,reject)=>{img.onload=resolve;img.onerror=reject;img.src=url});return {source:img,width:img.naturalWidth,height:img.naturalHeight,close:()=>URL.revokeObjectURL(url)};}catch(e){URL.revokeObjectURL(url);throw e;}
  }
  async function compressImage(file){
    if(!(file instanceof File)||!String(file.type||'').startsWith('image/')||/gif|svg/i.test(file.type||''))return file;
    let decoded;try{decoded=await decodeImage(file);}catch(_){return file;}
    try{
      const {width,height,source}=decoded;if(!width||!height)return file;
      if(file.size<=TARGET&&Math.max(width,height)<=MAX_SIDE)return file;
      let scale=Math.min(1,MAX_SIDE/Math.max(width,height)),quality=.84,best=null;
      for(let pass=0;pass<5;pass++){
        const w=Math.max(1,Math.round(width*scale)),h=Math.max(1,Math.round(height*scale));
        const canvas=document.createElement('canvas');canvas.width=w;canvas.height=h;
        const ctx=canvas.getContext('2d',{alpha:false});if(!ctx)return file;ctx.fillStyle='#fff';ctx.fillRect(0,0,w,h);ctx.drawImage(source,0,0,w,h);
        const blob=await canvasBlob(canvas,'image/jpeg',quality);if(!best||blob.size<best.size)best=blob;if(blob.size<=TARGET)break;
        quality=Math.max(.60,quality-.08);scale*=.86;
      }
      if(!best||best.size>=file.size)return file;
      return new File([best],jpegName(file.name),{type:'image/jpeg',lastModified:file.lastModified||Date.now()});
    }finally{decoded.close?.();}
  }
  async function prepareAttachment(file){const prepared=await compressImage(file);if(prepared.size>MAX_FILE)throw new Error(`Файл «${file.name}» больше 15 МБ даже после оптимизации.`);return {file:prepared,originalSize:file.size,savedBytes:Math.max(0,file.size-prepared.size)};}
  async function guardChatFiles(input){
    const raw=[...(input.files||[])];if(!raw.length)return;
    const prepared=[];let saved=0;
    for(const f of raw){try{const p=await prepareAttachment(f);prepared.push(p.file);saved+=p.savedBytes;}catch(e){toast(e.message||String(e),'warn',6000);}}
    if(!prepared.length){input.value='';return;}
    const dt=new DataTransfer();prepared.forEach(f=>dt.items.add(f));input.files=dt.files;
    guardedInputs.add(input);input.dispatchEvent(new Event('change',{bubbles:true}));guardedInputs.delete(input);
    if(saved>256*1024)toast(`Фото оптимизированы: сэкономлено ${(saved/1024/1024).toFixed(1)} МБ.`,'success',4200);
  }
  document.addEventListener('change',e=>{
    const input=e.target;if(!(input instanceof HTMLInputElement)||input.id!=='sunChatFilesV29'||guardedInputs.has(input)||typeof DataTransfer==='undefined')return;
    e.preventDefault();e.stopImmediatePropagation();guardChatFiles(input).catch(err=>{console.error('[Caterium photo compression]',err);guardedInputs.add(input);input.dispatchEvent(new Event('change',{bubbles:true}));guardedInputs.delete(input);});
  },true);
  window.SunAttachmentGuard={VERSION:'17.6.1',MAX_FILE,TARGET,MAX_SIDE,compressImage,prepareAttachment};

  let memoryData=null,memoryAt=0,memoryLoading=false;
  const esc=v=>window.SunSafe?.escapeHTML?window.SunSafe.escapeHTML(String(v??'')):String(v??'');
  async function loadMemory(){
    const now=Date.now();if(memoryLoading)return memoryData;if(memoryData&&now-memoryAt<5000)return memoryData;
    const c=window.SunCloudV2?.getClient?.();if(!c)return null;memoryLoading=true;
    try{const r=await c.rpc('sun_dev_dashboard');if(r.error)throw r.error;memoryData=r.data||null;memoryAt=Date.now();return memoryData;}catch(_){return null}finally{memoryLoading=false;}
  }
  async function enhanceDeveloperMemory(){
    const view=document.getElementById('sun-developer-console-v22');if(!view?.classList.contains('on'))return;
    const body=document.getElementById('sunDevBody');if(!body)return;
    const version=document.getElementById('sunDevReleaseVersion');if(version)version.textContent='17.6.1';
    const d=await loadMemory();if(!d||!view.classList.contains('on'))return;
    let box=document.getElementById('sunDevMemoryV1761');if(!box){box=document.createElement('div');box.id='sunDevMemoryV1761';box.className='sun-dev-grid';box.style.marginBottom='12px';body.prepend(box);}
    box.innerHTML=`<div class="sun-dev-kpi"><small>Память сервера</small><b>${esc(d.server_size||d.database_size||'—')}</b></div><div class="sun-dev-kpi"><small>База PostgreSQL</small><b>${esc(d.database_size||'—')}</b></div><div class="sun-dev-kpi"><small>Файлы Storage</small><b>${esc(d.storage_size||'—')}</b></div><div class="sun-dev-kpi"><small>Объектов Storage</small><b>${Number(d.storage_objects||0)}</b></div>`;
  }
  const start=()=>{
    scan(document);
    const mo=new MutationObserver(records=>{records.forEach(r=>r.addedNodes.forEach(n=>{if(n.nodeType===1)scan(n)}));enhanceDeveloperMemory();});
    mo.observe(document.documentElement,{childList:true,subtree:true});
    document.addEventListener('click',e=>{if(e.target.closest('#sunDeveloperNavV22,[data-dev-tab],#sunDevRefresh'))setTimeout(enhanceDeveloperMemory,100)},true);
    window.addEventListener('sun:cloud-state-applied',()=>setTimeout(enhanceDeveloperMemory,150));
    setInterval(()=>{if(document.getElementById('sun-developer-console-v22')?.classList.contains('on'))enhanceDeveloperMemory();},5000);
    window.SunPerformance={scanImages:()=>scan(document),refreshDeveloperMemory:enhanceDeveloperMemory,disconnect:()=>mo.disconnect()};
  };
  if(document.readyState==='loading')document.addEventListener('DOMContentLoaded',start,{once:true});else start();
})();