{{define "storage_attach"}}
{{template "layout_start" .}}

<div class="page-header">
    <div style="display:flex;align-items:center;gap:.5rem">
        <a href="/storage" class="btn btn-sm btn-outline">← Vissza</a>
        <h2>Meglévő meghajtó csatolása</h2>
    </div>
</div>

<div class="settings-card">
    <h3>1. Meghajtó kiválasztása</h3>
    <p class="settings-card-desc">Válassza ki a már fájlrendszerrel rendelkező meghajtót.
        <strong>A meghajtón lévő adatok nem törlődnek</strong> — a csatolás csak elérhetővé teszi azokat.</p>
    <div id="disk-error" class="alert alert-error" style="display:none;margin-bottom:1rem"></div>
    <div id="disk-list">Betöltés…</div>
</div>

<div class="settings-card" id="cfg-card" style="display:none">
    <h3>2. Konfiguráció</h3>
    <form id="attach-form" onsubmit="return submitAttach(event)">
        <div class="form-group">
            <label>Kiválasztott eszköz</label>
            <span class="settings-value mono" id="sel-device">—</span>
        </div>
        <!-- R-280: an already-mounted store has no mount name to choose — it is already at its path,
             and the action is to register that path. The group is hidden for those. -->
        <div class="form-group" id="mount-name-group">
            <label for="mount-name">Csatlakoztatási név <span class="required">*</span></label>
            <div style="display:flex;align-items:center;gap:.25rem">
                <span class="mono" style="opacity:.6">/mnt/</span>
                <input type="text" id="mount-name" class="form-control" placeholder="hdd_1"
                       pattern="[a-zA-Z0-9_-]+" required style="max-width:180px">
            </div>
            <span class="form-hint">A meghajtó a /mnt/&lt;név&gt; útvonalra kerül.</span>
        </div>
        <p class="form-hint" id="mounted-note" style="display:none">
            Ez a meghajtó már csatlakoztatva van, csak a gép nem tartja nyilván. A „Csatolás" a
            meglévő helyén veszi nyilvántartásba — <strong>semmi nem törlődik</strong>.
        </p>
        <div class="form-group">
            <label for="storage-label">Megnevezés</label>
            <input type="text" id="storage-label" class="form-control" placeholder="Külső HDD 1TB" maxlength="50">
        </div>
        <label class="toggle" style="margin-bottom:1.25rem">
            <input type="checkbox" id="set-default">
            <span class="toggle-label">Beállítás alapértelmezett adattárolóként új telepítéseknél</span>
        </label>
        <div class="form-actions" style="gap:.75rem">
            <button type="submit" class="btn btn-primary" id="attach-btn">Csatolás</button>
            <a href="/settings" class="btn btn-outline">Mégsem</a>
        </div>
        <div id="attach-result" style="margin-top:1rem"></div>
    </form>
</div>

<script>
var selDevice = "", selFSType = "", selMounted = false;
function esc(s){ return String(s==null?'':s).replace(/[&<>"]/g,function(c){return {'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;'}[c];}); }
function fmtSize(b){
  if(!b) return '';
  var g=b/1073741824;
  return g>=1 ? g.toFixed(g>=10?0:1)+' GB' : Math.round(b/1048576)+' MB';
}

async function loadDisks(){
  try{
    // Impl-2b: the raw-device scan (agent GET /disks/candidates). `attach` = unclaimed disks already
    // carrying a mountable ext4/xfs FS (mounted + bound, NO format — data preserved). The agent's filter
    // excludes OS/enrolled/claimed disks, so we trust the list as-is.
    var r = await fetch('/api/disks/candidates'); var j = await r.json();
    if(!j.ok){ throw new Error(j.error||'Hiba'); }
    var cands = (j.data&&j.data.attach)||[];
    if(cands.length===0){ document.getElementById('disk-list').innerHTML='<p class="form-hint">Nincs csatolható meghajtó — a csatoláshoz olyan (még nem használt) meghajtó kell, amelyen már van fájlrendszer. Új, üres meghajtóhoz használja az „Inicializálás” lehetőséget.</p>'; return; }
    var html='<div class="drive-list">';
    cands.forEach(function(d,i){
      var title = d.model ? esc(d.model) : esc(d.device);
      var parts = [esc(d.device)];
      if(d.size_bytes) parts.push(fmtSize(d.size_bytes));
      if(d.fstype) parts.push(esc(d.fstype));
      var sub = parts.join(' · ');
      // Attach the FS-bearing node (mount_source, e.g. /dev/sdd1); the agent resolves its UUID.
      // R-280: for an already-mounted store mount_source is its MOUNTPOINT (/mnt/sys_drive) and the
      // action is register-in-place, so the card is labelled by the path the customer will see.
      var dev = d.mount_source || d.device;
      var mounted = !!d.already_mounted;
      if(mounted){ title = esc(d.mount_source); sub = [esc(d.device), esc(d.fstype)].filter(Boolean).join(' · '); }
      html+='<label class="drive-card role-user-data is-selectable" id="dc-'+i+'">'
        +'<div class="drive-card-top"><div class="drive-select"><input type="radio" name="disk" value="'+esc(dev)+'" data-fs="'+esc(d.fstype)+'" data-i="'+i+'" data-mounted="'+(mounted?'1':'')+'" onchange="pickDisk(this)">'
        +'<div class="drive-id"><span class="drive-name">'+title+'</span><span class="drive-sub">'+sub+'</span></div></div>'
        +'<div class="drive-badges">'+(mounted?'<span class="badge badge-ok">Már csatlakoztatva</span>':'<span class="badge badge-ok">Fájlrendszer: '+esc(d.fstype)+'</span>')+'</div></div></label>';
    });
    html+='</div>';
    document.getElementById('disk-list').innerHTML=html;
  }catch(e){ var el=document.getElementById('disk-error'); el.style.display='block'; el.textContent='Meghajtók betöltése sikertelen: '+e.message; }
}

function pickDisk(radio){
  selDevice=radio.value; selFSType=radio.getAttribute('data-fs')||"";
  selMounted=!!radio.getAttribute('data-mounted');
  document.getElementById('sel-device').textContent=selDevice;
  // An already-mounted store keeps its own path; there is no name to pick. Dropping `required` too,
  // or the hidden empty field blocks form submission with no visible cause.
  var mng=document.getElementById('mount-name-group'), mni=document.getElementById('mount-name');
  mng.style.display = selMounted ? 'none' : '';
  mni.required = !selMounted;
  document.getElementById('mounted-note').style.display = selMounted ? '' : 'none';
  document.querySelectorAll('.drive-card').forEach(function(c){c.classList.remove('is-picked');});
  var card=document.getElementById('dc-'+radio.getAttribute('data-i')); if(card) card.classList.add('is-picked');
  document.getElementById('cfg-card').style.display='block';
  document.getElementById('cfg-card').scrollIntoView({behavior:'smooth'});
}

async function submitAttach(ev){
  ev.preventDefault();
  var btn=document.getElementById('attach-btn'); var out=document.getElementById('attach-result');
  btn.disabled=true; out.innerHTML='<p class="form-hint">Csatlakoztatás folyamatban…</p>';
  try{
    // R-280: an already-mounted store is REGISTERED in place. Sending it to /api/storage/attach would
    // ask the agent to mount an in-guest path as if it were a raw device.
    var url, body;
    if(selMounted){
      url='/api/storage/register-mounted';
      body={path:selDevice, label:document.getElementById('storage-label').value,
        set_default:document.getElementById('set-default').checked};
    }else{
      url='/api/storage/attach';
      body={device:selDevice, fstype:selFSType, mount_name:document.getElementById('mount-name').value,
        label:document.getElementById('storage-label').value, set_default:document.getElementById('set-default').checked};
    }
    var r=await fetch(url,{method:'POST',headers:Object.assign({'Content-Type':'application/json'},csrfHeaders()),body:JSON.stringify(body)});
    var j=await r.json();
    if(!j.ok){ throw new Error(j.error||'Hiba'); }
    out.innerHTML='<div class="alert alert-success">A meghajtó sikeresen '+(selMounted?'nyilvántartásba véve':'csatolva és regisztrálva')+': <strong class="mono">'+(j.data.where||'')+'</strong>. <a href="/settings">Vissza a Beállításokhoz →</a></div>';
  }catch(e){ out.innerHTML='<div class="alert alert-error">Hiba: '+e.message+'</div>'; btn.disabled=false; }
  return false;
}
loadDisks();
</script>

{{template "layout_end" .}}
{{end}}