(()=>{
  'use strict';
  if(window.SunOfferWorkspaceV1769)return;
  const VERSION='17.6.9';
  const RELEASE='20260908-v17-6-9-offer-pdf-tabs-gallery';
  const MODES=new Set(['preview','editor','templates']);
  const GALLERY_KEY='sunOfferGalleryOverridesV1769';
  const DEFAULT_GALLERY=['offer-gallery/001.jpg','offer-gallery/002.jpg'];
  const $=id=>document.getElementById(id);
  const modal=()=>$('sunClientOfferModal');
  const dialog=()=>modal()?.querySelector('.dialog')||null;
  const toast=(text,type='info',ms=4200)=>{try{return window.SunEnterprise?.toast?.(text,type,ms)}catch(_){};};
  let mode='preview',activeOrderId='';
  let openersPatched=false,classicPatched=false;

  function readGalleryMap(){try{const v=JSON.parse(localStorage.getItem(GALLERY_KEY)||'{}');return v&&typeof v==='object'&&!Array.isArray(v)?v:{}}catch(_){return{}}}
  function writeGalleryMap(map){try{localStorage.setItem(GALLERY_KEY,JSON.stringify(map));window.dispatchEvent(new CustomEvent('sun:offer-gallery-v1769-change',{detail:{orderId:activeOrderId}}));return true}catch(e){console.error('[Caterium v17.6.9] gallery persist failed',e);toast('Не удалось сохранить фото: хранилище заполнено.','error',6000);return false}}
  function galleryFor(orderId=activeOrderId){const map=readGalleryMap(),v=map[String(orderId||'')];return Array.isArray(v)&&v.length?v.slice(0,2).map((x,i)=>x||DEFAULT_GALLERY[i]):DEFAULT_GALLERY.slice()}
  function saveGallerySlot(index,value){if(!activeOrderId){toast('Сначала сохраните заказ, чтобы закрепить фотографии предложения.','warn',5200);return false}const map=readGalleryMap(),key=String(activeOrderId),arr=Array.isArray(map[key])?map[key].slice(0,2):DEFAULT_GALLERY.slice();while(arr.length<2)arr.push(DEFAULT_GALLERY[arr.length]);arr[index]=value||DEFAULT_GALLERY[index];map[key]=arr;const ok=writeGalleryMap(map);if(ok){syncGalleryUi();refreshOffer();}return ok}
  function currentDraftId(){try{if(window.draft?.id!=null)return String(window.draft.id)}catch(_){}const raw=document.querySelector('#orderForm [name="id"],#orderId,#order-id')?.value;return raw?String(raw):''}

  function installStyle(){
    if($('sunOfferWorkspaceV1769Style'))return;
    const s=document.createElement('style');s.id='sunOfferWorkspaceV1769Style';s.textContent=`
      #sunClientOfferModal .dialog.sun-offer-workspace-v1769{width:min(1240px,calc(100vw - 24px));height:min(94vh,980px);max-height:94vh;overflow:hidden!important;padding:0!important;display:flex;flex-direction:column;background:#f5f6f5;border-radius:19px}
      #sunClientOfferModal .sun-offer-modal-head{flex:0 0 auto;padding:14px 16px;background:#fff;border-bottom:1px solid #e5e7e6;position:relative;z-index:5}
      .sun-offer-workspace-tabs-v1769{flex:0 0 auto;display:flex;align-items:center;gap:6px;padding:9px 12px;background:#fff;border-bottom:1px solid #e5e7e6;overflow-x:auto;scrollbar-width:thin}
      .sun-offer-workspace-tabs-v1769 button{flex:0 0 auto;border:1px solid #dfe3e0;background:#f7f8f7;color:#48504a;border-radius:999px;padding:8px 13px;font-size:12px;font-weight:850;white-space:nowrap}
      .sun-offer-workspace-tabs-v1769 button.on{background:#1d2a22;color:#fff;border-color:#1d2a22;box-shadow:0 4px 13px rgba(29,42,34,.16)}
      #sunClientOfferModal .sun-offer-frame-wrap,#sunClientOfferModal #sunOfferEditor,#sunClientOfferModal #sunOfferTemplateV1764{flex:1 1 auto;min-height:0!important;overflow:auto!important;margin:0!important}
      #sunClientOfferModal .sun-offer-frame-wrap{padding:14px 16px 20px;background:#eef0ee}
      #sunClientOfferModal #sunOfferEditor{padding:15px 16px 24px!important;background:#fff;border:0!important}
      #sunClientOfferModal #sunOfferTemplateV1764{padding:16px!important;background:#fff;border:0!important}
      #sunClientOfferModal[data-offer-workspace-mode="preview"] #sunOfferEditor,#sunClientOfferModal[data-offer-workspace-mode="preview"] #sunOfferTemplateV1764{display:none!important}
      #sunClientOfferModal[data-offer-workspace-mode="preview"] .sun-offer-frame-wrap{display:block!important}
      #sunClientOfferModal[data-offer-workspace-mode="editor"] .sun-offer-frame-wrap,#sunClientOfferModal[data-offer-workspace-mode="editor"] #sunOfferTemplateV1764{display:none!important}
      #sunClientOfferModal[data-offer-workspace-mode="editor"] #sunOfferEditor{display:block!important}
      #sunClientOfferModal[data-offer-workspace-mode="templates"] .sun-offer-frame-wrap,#sunClientOfferModal[data-offer-workspace-mode="templates"] #sunOfferEditor{display:none!important}
      #sunClientOfferModal[data-offer-workspace-mode="templates"] #sunOfferTemplateV1764{display:block!important}
      #sunClientOfferModal #sunOfferTemplateV1764 .sun-v1764-offer-template-head{position:sticky;top:-16px;z-index:2;background:#fff;padding:1px 0 10px;margin-bottom:10px}
      #sunClientOfferModal #sunOfferTemplateV1764 .sun-v1764-offer-template-grid{grid-template-columns:repeat(3,minmax(170px,1fr));gap:10px}
      #sunClientOfferModal #sunOfferTemplateV1764 .sun-v1764-offer-template-grid button{min-height:166px;padding:10px;border-radius:15px}
      #sunClientOfferModal #sunOfferTemplateV1764 .sun-offer-template-mini{height:auto;aspect-ratio:1000/1414}
      #sunClientOfferModal .sun-offer-editor-gallery{border:1px solid #e0e4e1;border-radius:16px;padding:14px;background:#f8faf8}
      #sunClientOfferModal .sun-offer-editor-gallery-images{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px!important;margin-top:12px}
      #sunClientOfferModal .sun-offer-gallery-upload-v1769{position:relative;border:1px solid #d9dfda;border-radius:14px;background:#fff;padding:9px;min-width:0}
      #sunClientOfferModal .sun-offer-gallery-upload-v1769 img{display:block;width:100%!important;height:170px!important;object-fit:cover!important;border-radius:10px!important;background:#edf0ed}
      #sunClientOfferModal .sun-offer-gallery-upload-v1769 .sun-offer-gallery-actions-v1769{display:flex;gap:7px;align-items:center;justify-content:space-between;margin-top:8px;flex-wrap:wrap}
      #sunClientOfferModal .sun-offer-gallery-upload-v1769 .sun-offer-gallery-actions-v1769 b{font-size:12px;color:#303831}
      #sunClientOfferModal .sun-offer-gallery-upload-v1769 input[type=file]{position:absolute;inline-size:1px;block-size:1px;opacity:0;pointer-events:none}
      #sunClientOfferModal .sun-offer-gallery-upload-v1769 label,#sunClientOfferModal .sun-offer-gallery-upload-v1769 button{display:inline-flex!important;width:auto!important;flex-direction:row!important;align-items:center;gap:5px;margin:0!important;border-radius:9px;padding:7px 9px;font-size:11px;font-weight:800;cursor:pointer}
      #sunClientOfferModal .sun-offer-gallery-upload-v1769 label{background:#1d2a22;color:#fff;border:1px solid #1d2a22}
      #sunClientOfferModal .sun-offer-gallery-upload-v1769 button{background:#fff;color:#7b3a32;border:1px solid #e3c9c5}
      #sunClientOfferModal .sun-offer-editor-note{margin:12px 0 0}
      @media(max-width:820px){
        #sunClientOfferModal{padding:0!important}#sunClientOfferModal .dialog.sun-offer-workspace-v1769{width:100vw;height:100vh;max-height:none;border-radius:0}
        #sunClientOfferModal .sun-offer-modal-head{padding:10px 12px}#sunClientOfferModal .sun-offer-modal-actions{gap:5px}
        #sunClientOfferModal .sun-offer-modal-actions button{padding:7px 9px;font-size:11px}
        #sunClientOfferModal #sunOfferTemplateV1764 .sun-v1764-offer-template-grid{grid-template-columns:repeat(2,minmax(135px,1fr))}
        #sunClientOfferModal .sun-offer-editor-gallery-images{grid-template-columns:1fr}
      }
    `;document.head.appendChild(s);
  }

  function ensureTabs(){
    const d=dialog(),m=modal();if(!d||!m)return false;
    d.classList.add('sun-offer-workspace-v1769');
    let tabs=$('sunOfferWorkspaceTabsV1769');
    if(!tabs){
      tabs=document.createElement('nav');tabs.id='sunOfferWorkspaceTabsV1769';tabs.className='sun-offer-workspace-tabs-v1769';tabs.setAttribute('aria-label','Разделы предложения клиенту');tabs.innerHTML=`<button type="button" data-offer-workspace-tab="preview">PDF и предпросмотр</button><button type="button" data-offer-workspace-tab="editor">Редактор</button><button type="button" data-offer-workspace-tab="templates">Оформление PDF</button>`;
      const head=d.querySelector('.sun-offer-modal-head');head?.insertAdjacentElement('afterend',tabs);
      tabs.addEventListener('click',e=>{const b=e.target.closest('[data-offer-workspace-tab]');if(b)setMode(b.dataset.offerWorkspaceTab)});
    }
    setMode(mode,false);return true;
  }

  function setMode(next,focus=true){
    if(!MODES.has(next))next='preview';mode=next;const m=modal();if(!m)return;
    m.dataset.offerWorkspaceMode=mode;
    document.querySelectorAll('#sunOfferWorkspaceTabsV1769 [data-offer-workspace-tab]').forEach(b=>b.classList.toggle('on',b.dataset.offerWorkspaceTab===mode));
    const edit=$('sunOfferEdit');if(edit){const label=mode==='editor'?'К просмотру':'Редактировать';if(edit.textContent!==label)edit.textContent=label;edit.setAttribute('aria-pressed',mode==='editor'?'true':'false')}
    if(focus){const target=mode==='editor'?$('sunOfferEditor'):mode==='templates'?$('sunOfferTemplateV1764'):m.querySelector('.sun-offer-frame-wrap');target?.scrollTo?.({top:0,behavior:'instant'});}
  }

  function syncGalleryUi(){const arr=galleryFor();for(let i=0;i<2;i++){const img=$(`sunOfferGalleryPreview${i}`);if(img)img.src=arr[i]||DEFAULT_GALLERY[i]}}
  function upgradeGalleryUi(){
    const wrap=modal()?.querySelector('.sun-offer-editor-gallery-images');if(!wrap)return false;
    if(wrap.dataset.sunV1769==='1'){syncGalleryUi();return true;}
    wrap.innerHTML=[0,1].map(i=>`<div class="sun-offer-gallery-upload-v1769"><img id="sunOfferGalleryPreview${i}" src="${DEFAULT_GALLERY[i]}" alt="Фото сервировки ${i+1}"><div class="sun-offer-gallery-actions-v1769"><b>Фото ${i+1}</b><div style="display:flex;gap:6px"><label>Загрузить<input type="file" accept="image/jpeg,image/png,image/webp" data-offer-gallery-slot="${i}"></label><button type="button" data-offer-gallery-reset="${i}">Сбросить</button></div></div></div>`).join('');
    wrap.dataset.sunV1769='1';syncGalleryUi();return true;
  }

  async function fileToDataUrl(file){
    const maxSide=1400,target=700*1024;
    let bitmap;try{bitmap=await createImageBitmap(file)}catch(_){return await new Promise((res,rej)=>{const r=new FileReader();r.onload=()=>res(String(r.result||''));r.onerror=rej;r.readAsDataURL(file)})}
    try{
      let scale=Math.min(1,maxSide/Math.max(bitmap.width,bitmap.height)),quality=.86,best='';
      for(let i=0;i<5;i++){
        const c=document.createElement('canvas');c.width=Math.max(1,Math.round(bitmap.width*scale));c.height=Math.max(1,Math.round(bitmap.height*scale));const x=c.getContext('2d',{alpha:false});x.fillStyle='#fff';x.fillRect(0,0,c.width,c.height);x.drawImage(bitmap,0,0,c.width,c.height);const url=c.toDataURL('image/jpeg',quality);best=url;if(Math.round((url.length-22)*.75)<=target)break;quality=Math.max(.62,quality-.07);scale*=.86;
      }
      return best;
    }finally{bitmap.close?.()}
  }

  function refreshOffer(){try{window.dispatchEvent(new CustomEvent('sunoffertemplatechange',{detail:{galleryOnly:true,orderId:activeOrderId}}))}catch(_){}}
  function patchOpeners(){
    if(openersPatched)return true;const one=window.sunOpenClientOffer,cur=window.sunOpenCurrentClientOffer;if(typeof one!=='function'||typeof cur!=='function')return false;
    window.sunOpenClientOffer=function(id,...rest){activeOrderId=String(id??'');mode='preview';const out=one.call(this,id,...rest);setTimeout(()=>{enhance();setMode('preview',false);syncGalleryUi()},80);return out};
    window.sunOpenCurrentClientOffer=function(...args){activeOrderId=currentDraftId();mode='preview';const out=cur.apply(this,args);setTimeout(()=>{enhance();setMode('preview',false);syncGalleryUi()},80);return out};
    window.sunOpenClientOffer.__sunV1769=true;window.sunOpenCurrentClientOffer.__sunV1769=true;openersPatched=true;return true;
  }
  function patchClassic(){
    if(classicPatched)return true;const api=window.SunClassicOfferPDFV1767;if(!api||typeof api.renderPages!=='function')return false;const original=api.renderPages.bind(api);
    api.renderPages=async function(snapshot,...rest){const s=structuredClone(snapshot||{}),id=String(s.orderId||activeOrderId||'');if(id){s.finalGallery=galleryFor(id)}return original(s,...rest)};api.renderPages.__sunV1769=true;classicPatched=true;return true;
  }

  function enhance(){installStyle();ensureTabs();upgradeGalleryUi();patchOpeners();patchClassic();}

  document.addEventListener('change',async e=>{
    const input=e.target.closest?.('[data-offer-gallery-slot]');if(!input)return;const file=input.files?.[0];if(!file)return;if(!/^image\/(jpeg|png|webp)$/i.test(file.type||'')){toast('Поддерживаются JPG, PNG и WEBP.','warn');input.value='';return}const idx=Number(input.dataset.offerGallerySlot);input.disabled=true;toast(`Оптимизирую фото ${idx+1}…`);try{const data=await fileToDataUrl(file);if(!data)throw new Error('Не удалось обработать изображение.');saveGallerySlot(idx,data);toast(`Фото ${idx+1} сохранено для этого предложения.`,'success')}catch(err){console.error(err);toast(err?.message||String(err),'error')}finally{input.disabled=false;input.value=''}
  },true);

  document.addEventListener('click',e=>{
    const reset=e.target.closest?.('[data-offer-gallery-reset]');if(reset){e.preventDefault();saveGallerySlot(Number(reset.dataset.offerGalleryReset),DEFAULT_GALLERY[Number(reset.dataset.offerGalleryReset)]);toast('Фото возвращено к стандартному.','success');return}
    const edit=e.target.closest?.('#sunOfferEdit');if(edit&&modal()?.classList.contains('on')){e.preventDefault();e.stopImmediatePropagation();setMode(mode==='editor'?'preview':'editor');return;}
    const pdf=e.target.closest?.('#sunOfferPdf');if(pdf&&modal()?.classList.contains('on')&&mode!=='preview')setMode('preview',false);
  },true);

  window.addEventListener('sun:offer-gallery-v1769-change',syncGalleryUi);
  let enhanceQueued=false;
  const observer=new MutationObserver(()=>{if(enhanceQueued)return;enhanceQueued=true;queueMicrotask(()=>{enhanceQueued=false;enhance()})});
  observer.observe(document.documentElement,{subtree:true,childList:true});
  installStyle();enhance();
  const retry=setInterval(()=>{if(patchOpeners()&&patchClassic())clearInterval(retry)},350);setTimeout(()=>clearInterval(retry),15000);
  window.SunOfferWorkspaceV1769={VERSION,RELEASE,GALLERY_KEY,setMode,enhance,galleryFor,checks:()=>({version:VERSION,mode,modal:Boolean(modal()),tabs:Boolean($('sunOfferWorkspaceTabsV1769')),activeOrderId,openersPatched,classicPatched})};
})();