/* widget: Namenkiezer */
/* =========================================================
   Name picker widget
==========================================================*/
function mountNames(root, initState){
  let used = new Set(), spinning = false;
  root.innerHTML = `
    <div class="np">
      <div class="np-result">🎯</div>
      <textarea class="np-list" spellcheck="false"></textarea>
      <div class="np-row">
        <button class="tbtn np-pick"></button>
        <label><input type="checkbox" class="np-nr"><span class="np-nrl"></span></label>
      </div>
    </div>`;
  const ta = root.querySelector(".np-list"),
        result = root.querySelector(".np-result"),
        pickBtn = root.querySelector(".np-pick"),
        nr = root.querySelector(".np-nr");
  if(initState){
    ta.value = initState.names || "";
    nr.checked = !!initState.nr;
  }
  ta.addEventListener("input", ()=>used.clear());
  ta.addEventListener("keydown", e=>e.stopPropagation());
  function names(){ return ta.value.split("\n").map(s=>s.trim()).filter(Boolean); }
  pickBtn.addEventListener("click", ()=>{
    if(spinning) return;
    const all = names();
    if(!all.length){ ta.focus(); return; }
    let pool = nr.checked ? all.filter(n=>!used.has(n)) : all;
    if(!pool.length){
      result.textContent = T("namesDone");
      used.clear();
      return;
    }
    spinning = true;
    result.classList.remove("winner");
    result.classList.add("spin");
    const FUN = ["🌟","🎉","🦄","🚀","🐸","🎈","🍀","⚡"];
    let n = 0;
    const iv = setInterval(()=>{
      result.textContent = all[Math.floor(Math.random()*all.length)];
      tone(400+Math.random()*300, 0.03, 0, "square", 0.04);
      if(++n >= 16){
        clearInterval(iv);
        const winner = pool[Math.floor(Math.random()*pool.length)];
        const em = FUN[Math.floor(Math.random()*8)];
        result.textContent = `${em} ${winner} ${em}`;
        result.classList.remove("spin");
        result.classList.add("winner");
        confetti(result.parentElement);
        if(nr.checked) used.add(winner);
        sndWin();
        spinning = false;
      }
    }, 80);
  });
  function labels(){
    ta.placeholder = T("namesPh");
    pickBtn.textContent = T("namesPick");
    root.querySelector(".np-nrl").textContent = T("namesNoRep");
  }
  document.addEventListener("langchange", labels);
  labels();
  return { getState: ()=>({names:ta.value, nr:nr.checked}) };
}