(function(){
  "use strict";
  var VER = '2025-09-10-g';

  if (location.pathname.indexOf('/cms') === 0) return;
  if (window._ariadnaInjected) return; window._ariadnaInjected = true;

  function killOld(){
    var olds = document.querySelectorAll('#prs-chat, .prs-chat, #ariadna-llm-chat.old');
    olds.forEach(function(n){ if(n && n.parentNode) n.parentNode.removeChild(n); });
    var dups = document.querySelectorAll('#ariadna-llm-chat');
    if (dups.length > 1) [].slice.call(dups,0,dups.length-1).forEach(function(n){ n.remove(); });
    var ldups = document.querySelectorAll('#ariadna-launcher');
    if (ldups.length > 1) [].slice.call(ldups,0,ldups.length-1).forEach(function(n){ n.remove(); });
  }
  killOld();
  var mo = new MutationObserver(killOld);
  mo.observe(document.documentElement || document.body, {childList:true, subtree:true});
  setTimeout(function(){ try{ mo.disconnect(); }catch(e){} }, 6000);

  try { console.log('%c[Ariadna] embed v'+VER+' loaded','background:#0f172a;color:#fff;padding:2px 6px;border-radius:4px'); } catch(e){}

  var THEME_KEY = 'ariadna_theme_pref';
  var MIN_KEY   = 'ariadna_minimized';
  function themePref(){ return localStorage.getItem(THEME_KEY) || 'auto'; }
  function setThemePref(v){ localStorage.setItem(THEME_KEY, v); applyTheme(); }
  function isDarkAuto(){ return window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches; }
  function currentTheme(){
    var pref = themePref();
    if (pref === 'dark') return 'dark';
    if (pref === 'light') return 'light';
    return isDarkAuto() ? 'dark' : 'light';
  }
  function applyTheme(){
    var t = currentTheme();
    var root = document.getElementById('ariadna-llm-chat');
    var launch = document.getElementById('ariadna-launcher');
    if (!root) return;
    root.classList.toggle('dark', t==='dark');
    if (launch) launch.classList.toggle('dark', t==='dark');
    var icon = document.getElementById('themeBtn');
    if (icon){
      // ☀ / 🌙 via escape-uri, ca să evităm mojibake
      icon.textContent = (t==='dark' ? '\u2600' : '\uD83C\uDF19');
      icon.title = (t==='dark' ? 'Treci pe light' : 'Treci pe dark');
    }
  }
  if (window.matchMedia) {
    try { window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', applyTheme); } catch(e){}
  }

  var css = `
  #ariadna-llm-chat{ --bg:#0f172a; --fg:#fff; --line:#e5e7eb; --bot:#eef2ff; --you:#dbeafe; --accent:#73AFF8; --panel:#fff; --area:#f8fafc; --chip:#f1f5f9; --chipb:#e2e8f0; --text:#0f172a }
  #ariadna-llm-chat.dark{ --bg:#0b1220; --fg:#e5e7eb; --line:#334155; --bot:#1f2a44; --you:#243b5a; --accent:#6EBAB9; --panel:#0f172a; --area:#0b1220; --chip:#1e293b; --chipb:#334155; --text:#e5e7eb }
  #ariadna-llm-chat{position:fixed;bottom:20px;right:20px;width:360px;max-width:92vw;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 30px rgba(0,0,0,.16);overflow:hidden;z-index:9999;font-family:inherit;color:var(--text);transition:width .2s ease,height .2s ease}
  .prs-body{height:520px;display:flex;flex-direction:column;background:var(--panel)}
  #ariadna-llm-chat.prs-expanded{width:520px;max-width:96vw}
  #ariadna-llm-chat.prs-expanded .prs-body{height:80vh}
  @media (max-width:480px){
    #ariadna-llm-chat{bottom:0;right:0;left:0;width:100vw;height:78vh;border-radius:16px 16px 0 0}
    #ariadna-llm-chat.prs-expanded .prs-body{height:90vh}
  }
  .prs-head{background:var(--bg);color:var(--fg);padding:10px 12px;display:flex;align-items:center;gap:10px;font-weight:600;font-size:14px}
  .prs-head .avatar{width:28px;height:28px;border-radius:50%;background:#f97316;display:grid;place-items:center;color:#fff;font-weight:700;font-size:13px;box-shadow:0 2px 6px rgba(0,0,0,.25)}
  .prs-head .title{flex:1}
  .prs-head .badge{display:none;background:#16a34a;color:#fff;font-size:11px;padding:3px 8px;border-radius:999px}
  .head-btn{background:transparent;border:0;color:var(--fg);cursor:pointer;font-size:16px;line-height:1;opacity:.9}
  .head-btn:hover{opacity:1}
  .prs-msgs{flex:1;overflow-y:auto;padding:12px;background:var(--area)}
  .row{display:flex;gap:8px;margin-bottom:10px;align-items:flex-end}
  .bubble{max-width:78%;padding:10px 12px;border-radius:12px;line-height:1.45;font-size:14px;border:1px solid var(--line);word-break:break-word}
  .bot .bubble{background:var(--bot);color:var(--text);border-color:var(--line)}
  .you{justify-content:flex-end}
  .you .bubble{background:var(--you);color:var(--text)}
  .mini-avatar{width:22px;height:22px;border-radius:999px;background:#f97316;color:#fff;font-weight:700;font-size:11px;display:grid;place-items:center}
  .you .mini-avatar{display:none}
  .bubble a{color:#1d4ed8;text-decoration:underline;word-break:break-word}
  .bubble.collapsed{position:relative;max-height:9.6em;overflow:hidden}
  .bubble.collapsed:after{content:"";position:absolute;left:0;right:0;bottom:0;height:48px;background:linear-gradient(to bottom, rgba(0,0,0,0), var(--bot))}
  .expander{display:inline-block;margin-top:6px;font-size:12px;color:#0ea5e9;cursor:pointer;text-decoration:underline}
  .prs-quick{display:flex;flex-wrap:wrap;gap:6px;padding:8px 12px;border-top:1px dashed var(--line);background:var(--panel)}
  .chip{background:var(--chip);border:1px solid var(--chipb);border-radius:999px;padding:6px 10px;font-size:12px;cursor:pointer;user-select:none;color:var(--text)}
  .chip:hover{filter:brightness(1.05)}
  .prs-input{display:flex;gap:8px;padding:10px;border-top:1px solid var(--line);background:var(--panel)}
  .prs-input textarea{flex:1;resize:none;min-height:38px;max-height:120px;padding:10px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:14px;line-height:1.35;background:var(--panel);color:var(--text)}
  .prs-input button{padding:10px 12px;border:0;background:var(--accent);color:#fff;border-radius:10px;cursor:pointer;font-weight:600}
  .typing{font-size:12px;color:#94a3b8;margin:2px 6px 8px;display:none}
  #ariadna-launcher{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#f97316;color:#fff;display:none;align-items:center;justify-content:center;font-weight:800;box-shadow:0 10px 24px rgba(0,0,0,.2);cursor:pointer;z-index:9999}
  #ariadna-launcher.dark{background:#f59e0b;color:#0b1220}
  #ariadna-launcher .dot{position:absolute;top:6px;right:6px;width:9px;height:9px;background:#22c55e;border-radius:50%}
  `;
  var style=document.createElement('style'); style.textContent=css; document.head.appendChild(style);

  var wrap=document.createElement('div');
  wrap.innerHTML = ''
    + '<div id="ariadna-llm-chat" aria-live="polite" data-ariadna-v="' + VER + '">'
    + '  <div class="prs-head">'
    + '    <div class="avatar" aria-hidden="true">A</div>'
    + '    <div class="title">Ariadna &#8226; PRAS</div>'
    + '    <div class="badge" id="leadBadge">Lead trimis</div>'
    + '    <button id="sizeBtn"  class="head-btn" title="M&#259;re&#537;te mic&#537;oreaz&#259;" aria-label="M&#259;rire">&#10530;</button>'
    + '    <button id="themeBtn" class="head-btn" title="Treci pe dark" aria-label="Comut&#259; tema"></button>'
    + '    <button id="minBtn"   class="head-btn" title="Minimizeaz&#259;" aria-label="Minimizeaz&#259;">&#8212;</button>'
    + '  </div>'
    + '  <div class="prs-body">'
    + '    <div class="prs-msgs" id="msgs">'
    + '      <div class="row bot"><div class="mini-avatar">A</div>'
    + '        <div class="bubble">Bun&#259;! Sunt Ariadna. Spune-mi cu ce te pot ajuta. &#128522;</div>'
    + '      </div>'
    + '    </div>'
    + '    <div class="prs-quick" id="quick">'
    + '      <div class="chip" data-t="Pachete de suport">Pachete</div>'
    + '      <div class="chip" data-t="Ce servicii oferi&#539;i?">Servicii</div>'
    + '      <div class="chip" data-t="Vreau o ofert&#259;">Ofert&#259;</div>'
    + '      <div class="chip" data-t="A&#537; vrea s&#259; fiu contactat">Contact</div>'
    + '      <div class="chip" data-t="Suport helpdesk">Helpdesk</div>'
    + '      <div class="chip" data-t="Servicii cloud">Cloud</div>'
    + '      <div class="chip" data-t="Securitate IT">Securitate</div>'
    + '      <div class="chip" data-t="Infrastructur&#259; IT">Infrastructur&#259;</div>'
    + '    </div>'
    + '    <div class="typing" id="typing">Ariadna tasteaz&#259;&#8230;</div>'
    + '    <div class="prs-input">'
    + '      <textarea id="userInput" placeholder="Scrie aici&#8230;"></textarea>'
    + '      <button id="sendBtn" type="button">Trimite</button>'
    + '    </div>'
    + '  </div>'
    + '</div>'
    + '<div id="ariadna-launcher" title="Deschide chatul" aria-label="Deschide chatul">'
    + '  <span>A</span><span class="dot" aria-hidden="true"></span>'
    + '</div>';
  document.body.appendChild(wrap.firstElementChild);
  document.body.appendChild(wrap.lastElementChild);

  function qs(s,root){return (root||document).querySelector(s)}
  function qsa(s,root){return Array.prototype.slice.call((root||document).querySelectorAll(s))}
  function scrollDown(){var el=qs('#msgs'); el.scrollTop=el.scrollHeight}
  function showTyping(v){qs('#typing').style.display=v?'block':'none'}
  var busy=false; function setBusy(v){busy=v; qs('#sendBtn').disabled=v}
  var longThreshold=800;

  function sanitizeHTML(html){
    var tpl=document.createElement('template'); tpl.innerHTML=String(html);
    qsa('script',tpl.content).forEach(n=>n.remove());
    qsa('*',tpl.content).forEach(function(n){
      Array.from(n.attributes||[]).forEach(function(a){
        if (a.name.toLowerCase().startsWith('on')) n.removeAttribute(a.name);
      });
      if (n.tagName==='A'){
        var href=n.getAttribute('href')||'';
        if (/^https?:\/\//i.test(href)){ n.setAttribute('target','_blank'); n.setAttribute('rel','nofollow noopener'); }
      }
    });
    return tpl.innerHTML;
  }

  function applyExpander(bubble){
    var text=bubble.textContent.trim();
    var long=(text.length>420)||(text.split(/\n/).length>8);
    if(!long) return;
    bubble.classList.add('collapsed');
    var exp=document.createElement('div'); exp.className='expander'; text && (exp.textContent='Mai mult');
    exp.addEventListener('click',function(e){
      e.stopPropagation();
      var c=bubble.classList.toggle('collapsed');
      exp.textContent=c?'Mai mult':'Mai puțin';
      scrollDown();
    });
    bubble.addEventListener('click', function(ev){
      if (ev.target && ev.target.closest('a')) return;
      var c=bubble.classList.toggle('collapsed');
      exp.textContent=c?'Mai mult':'Mai puțin';
      scrollDown();
    });
    bubble.insertAdjacentElement('afterend',exp);
  }

  function toggleExpand(force){
    var root=qs('#ariadna-llm-chat');
    if (typeof force === 'boolean') root.classList.toggle('prs-expanded', force);
    else root.classList.toggle('prs-expanded');
    setTimeout(scrollDown,120);
  }

  function appendRow(role, htmlOrText){
    var row=document.createElement('div'); row.className='row '+role;
    if(role==='bot'){ var av=document.createElement('div'); av.className='mini-avatar'; av.textContent='A'; row.appendChild(av); }
    var bubble=document.createElement('div'); bubble.className='bubble';
    if(role==='bot'){
      bubble.innerHTML=sanitizeHTML(htmlOrText); applyExpander(bubble);
      var plain=bubble.textContent||'';
      if (plain.length > longThreshold) toggleExpand(true);
      if(plain.indexOf('Am trimis detaliile către colegii noștri din vânzări')!==-1
        || plain.indexOf('Revenim pe email în curând')!==-1) {
        qs('#leadBadge').style.display='inline-block';
      }
    } else {
      bubble.textContent=String(htmlOrText);
      bubble.innerHTML=bubble.innerHTML.replace(/\n/g,'<br>');
    }
    row.appendChild(bubble); qs('#msgs').appendChild(row); scrollDown();
  }

  document.getElementById('quick').addEventListener('click', function(e){
    var t = e.target && e.target.closest('.chip');
    if(!t) return;
    var text = t.getAttribute('data-t') || t.textContent || '';
    if(!text) return;
    document.getElementById('userInput').value = '';
    appendRow('you', text);
    sendToServer(text);
  });

  function sendMessage(){
    var ta=document.getElementById('userInput'); var text=(ta.value||'').trim(); if(!text) return;
    ta.value='';
    appendRow('you', text);
    sendToServer(text);
  }
  function sendToServer(text){
    if(busy) return; setBusy(true); showTyping(true);
    var xhr=new XMLHttpRequest();
    xhr.open('POST','/ariadna-llm/respond',true);
    xhr.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=UTF-8');
    xhr.onreadystatechange=function(){
      if(xhr.readyState===4){ showTyping(false); setBusy(false);
        try{
          var resp=JSON.parse(xhr.responseText||'{}');
          appendRow('bot', resp.raspuns || '<div>&#8230;</div>');
        }catch(e){
          appendRow('bot','<div>Ups, ceva s-a întâmplat. Te rog reîncearcă.</div>');
        }
      }
    };
    xhr.send('input='+encodeURIComponent(text));
  }

  document.getElementById('sendBtn').addEventListener('click', sendMessage);
  document.getElementById('userInput').addEventListener('keydown', function(e){
    if(e.key==='Enter' && !e.shiftKey){ e.preventDefault(); sendMessage(); }
  });

  var chat = document.getElementById('ariadna-llm-chat');
  var launcher = document.getElementById('ariadna-launcher');

  function setMinimized(min){
    if (min){ chat.style.display = 'none'; launcher.style.display = 'flex'; localStorage.setItem(MIN_KEY, '1'); }
    else { chat.style.display = 'block'; launcher.style.display = 'none'; localStorage.setItem(MIN_KEY, '0'); scrollDown(); }
    applyTheme();
  }
  setMinimized(localStorage.getItem(MIN_KEY) === '1');

  document.getElementById('minBtn').addEventListener('click', function(){ setMinimized(true); });
  launcher.addEventListener('click', function(){ setMinimized(false); });
  document.getElementById('sizeBtn').addEventListener('click', function(){ toggleExpand(); });
  document.getElementById('themeBtn').addEventListener('click', function(){
    var next = (currentTheme()==='dark') ? 'light' : 'dark';
    setThemePref(next);
  });
  applyTheme();
})();