/* Identity editing: admin-protected API, optimistic revision checks, no HTML injection. */
(() => {
 'use strict';
 const $=id=>document.getElementById(id);
 let csrf='',revision='',dirty=false,busy=false;
 const msg=(s,error=false,id='idMessage')=>{const e=$(id);e.textContent=s;e.classList.toggle('error',error);};
 const setName=name=>{
   const n=String(name||'Assistant').trim();
   const initial=Array.from(n)[0]?.toLocaleUpperCase('fr-FR')||'A';
   $('idName').textContent=n;$('idInitial').textContent=initial;
   $('idActiveName').textContent=n;$('idAvatar').textContent=initial;
   document.title='Identité · '+n;
 };
 function updateCount(){$('idCount').textContent=$('idText').value.length.toLocaleString('fr-FR')+' caractères';}
 async function jsonFetch(url,options={}){
   const r=await fetch(url,{credentials:'same-origin',cache:'no-store',...options});
   const d=await r.json().catch(()=>({}));
   if(!r.ok)throw Error(d.error||'Erreur HTTP '+r.status);
   return d;
 }
 async function auth(){
   const a=await jsonFetch('/api/control/auth');
   csrf=a.csrf||'';
   $('idLoginPanel').hidden=!!a.authenticated;
   $('idEditor').hidden=!a.authenticated;
   $('idBadge').textContent=a.authenticated?'Administrateur connecté':'Connexion requise';
   $('idBadge').classList.toggle('ok',!!a.authenticated);
   if(a.authenticated)await load();
 }
 async function load(){
   try{
     const d=await jsonFetch('/api/control/identity');
     $('idText').value=d.text;revision=d.revision;dirty=false;
     setName(d.name);updateCount();msg('Document chargé.');
   }catch(e){msg(e.message,true);}
 }
 $('idLoginForm').addEventListener('submit',async e=>{
   e.preventDefault();
   try{
     await jsonFetch('/api/control/login',{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify({password:$('idPassword').value})});
     $('idPassword').value='';await auth();
   }catch(err){msg(err.message,true,'idLoginMessage');}
 });
 $('idText').addEventListener('input',()=>{dirty=true;updateCount();msg('Modifications non enregistrées.');});
 $('idSave').addEventListener('click',async()=>{
   if(busy||!revision)return;
   busy=true;$('idSave').disabled=true;
   try{
     const d=await jsonFetch('/api/control/identity',{
       method:'POST',headers:{'Content-Type':'application/json','X-Alfred-CSRF':csrf},
       body:JSON.stringify({text:$('idText').value,revision})
     });
     revision=d.revision;dirty=false;msg(d.updated?'Identité enregistrée. Nouvelle version sauvegardée.':'Aucun changement à enregistrer.');
   }catch(e){msg(e.message,true);}
   finally{busy=false;$('idSave').disabled=false;}
 });
 $('idReload').addEventListener('click',()=>{if(dirty&&!confirm('Abandonner les modifications non enregistrées ?'))return;load();});
 window.addEventListener('beforeunload',event=>{if(dirty){event.preventDefault();event.returnValue='';}});
 auth().catch(e=>{msg(e.message,true,'idLoginMessage');$('idLoginPanel').hidden=false;});
})();