(()=>{
const F=FuelTrack;
let searchController=null,searchSequence=0;
const normalize=value=>String(value??'').normalize('NFD').replace(/[\u0300-\u036f]/g,'').toLowerCase().replace(/[^a-z0-9]+/g,' ').trim();
const matches=(haystack,query)=>{const source=normalize(haystack),terms=normalize(query).split(/\s+/).filter(Boolean);return terms.every(term=>source.includes(term))};

F.bindStationLiveSearch=()=>{
  const form=F.qs('#station-search-form');
  if(!form||form.dataset.liveBound)return;
  form.dataset.liveBound='1';
  const run=F.debounce(async()=>{
    const seq=++searchSequence;
    searchController?.abort();
    searchController=new AbortController();
    const p=new URLSearchParams(new FormData(form));p.delete('page');
    const url=`${form.action}?${p}`;
    try{
      const r=await fetch(url,{headers:{'X-Requested-With':'XMLHttpRequest'},signal:searchController.signal});
      if(!r.ok)throw new Error('Nie udało się wyszukać stacji.');
      const doc=new DOMParser().parseFromString(await r.text(),'text/html');
      if(seq!==searchSequence)return;
      const incoming=F.qs('main',doc),current=F.qs('main');
      if(!incoming||!current)return;
      bootstrap.Modal.getInstance(F.qs('#stationPointsModal'))?.hide();
      current.replaceWith(incoming);
      document.querySelectorAll('.modal-backdrop').forEach(x=>x.remove());
      document.body.classList.remove('modal-open');
      document.body.style.removeProperty('padding-right');
      history.replaceState({},'',url);
      F.initPage();
    }catch(e){if(e.name!=='AbortError')F.notify(e.message,'danger')}
  },300);
  F.qs('[data-live-search]',form)?.addEventListener('input',run);
  F.qsa('[data-live-sort]',form).forEach(x=>x.addEventListener('change',run));
};

F.bindFavoriteStations=()=>{
  F.qsa('.favorite-station-form').forEach(form=>{
    if(form.dataset.favoriteSearchBound)return;
    form.dataset.favoriteSearchBound='1';
    const input=F.qs('.station-modal-search',form),tbody=F.qs('tbody',form);
    if(!input||!tbody)return;
    let empty=F.qs('.favorite-search-empty',tbody);
    if(!empty){
      empty=document.createElement('tr');empty.className='favorite-search-empty d-none';
      empty.innerHTML='<td colspan="3" class="text-center text-body-secondary py-4">Brak pasujących stacji.</td>';
      tbody.append(empty);
    }
    const filter=()=>{
      const rows=F.qsa('tr[data-station-name]',tbody);
      let visible=0;
      rows.forEach(row=>{
        const searchable=row.dataset.stationName||row.textContent;
        const show=matches(searchable,input.value);
        row.hidden=!show;
        row.classList.toggle('d-none',!show);
        if(show)visible++;
      });
      empty.hidden=visible!==0;
      empty.classList.toggle('d-none',visible!==0);
    };
    input.addEventListener('input',filter);
    input.addEventListener('search',filter);
    const modal=form.closest('.modal');
    modal?.addEventListener('shown.bs.modal',()=>{input.focus();filter()});
    modal?.addEventListener('hidden.bs.modal',()=>{input.value='';filter()});
    filter();
  });
};


F.bindStationFavoriteToggles=()=>{
  F.qsa('.station-favorite-toggle').forEach(button=>{
    if(button.dataset.bound)return;
    button.dataset.bound='1';
    button.addEventListener('click',async()=>{
      const original=button.textContent;
      button.disabled=true;
      button.textContent='Zapisywanie…';
      try{
        const r=await fetch(button.dataset.url,{method:'POST',headers:{Accept:'application/json','X-Requested-With':'XMLHttpRequest'}});
        const d=await r.json();
        if(!r.ok||!d.ok)throw new Error(d.message||d.error||'Nie udało się zmienić ulubionych.');
        const favorite=Boolean(d.data&&d.data.favorite);
        button.textContent=favorite?'Usuń z ulubionych':'Dodaj do ulubionych';
        F.notify(d.message||'Zapisano');
      }catch(e){button.textContent=original;F.notify(e.message,'danger')}
      finally{button.disabled=false}
    });
  });
};

// Zachowany jako no-op: formularz tankowania używa natywnego selecta z optgroup.
F.bindStationProposalSelect=()=>{};

F.bindStationPoints=()=>{
  const modalEl=F.qs('#stationPointsModal');
  if(!modalEl)return;
  const search=F.qs('#stationPointsSearch',modalEl);
  if(search&&!search.dataset.bound){
    search.dataset.bound='1';
    search.addEventListener('input',F.debounce(()=>F.loadStationPoints?.(),250));
  }
};

F.loadStationPoints=async()=>{
  const modalEl=F.qs('#stationPointsModal');
  if(!modalEl||!modalEl.dataset.stationId)return;
  const rows=F.qs('#stationPointsRows',modalEl),empty=F.qs('#stationPointsEmpty',modalEl),loading=F.qs('#stationPointsLoading',modalEl),count=F.qs('#stationPointsCount',modalEl),search=F.qs('#stationPointsSearch',modalEl);
  const esc=v=>String(v??'').replace(/[&<>'"]/g,c=>({'&':'&amp;','<':'&lt;','>':'&gt;',"'":'&#39;','"':'&quot;'}[c]));
  loading.classList.remove('d-none');empty.classList.add('d-none');rows.innerHTML='';
  try{
    const r=await fetch(`/api/stations/${modalEl.dataset.stationId}/points?q=${encodeURIComponent(search.value.trim())}&per_page=100`,{headers:{Accept:'application/json','X-Requested-With':'XMLHttpRequest'}}),d=await r.json();
    if(!r.ok||!d.ok)throw new Error(d.message||'Nie udało się pobrać punktów');
    count.textContent=`Liczba punktów: ${d.data.total}`;
    rows.innerHTML=d.data.items.map(x=>`<tr><td><strong>${esc(x.name)}</strong>${x.dkn?`<div class="small text-body-secondary">DKN: ${esc(x.dkn)}</div>`:''}</td><td>${esc(x.address)}</td><td>${esc(x.region||'—')}</td><td>${x.has_petrol?'<span class="badge text-bg-secondary me-1">benzyna</span>':''}${x.has_diesel?'<span class="badge text-bg-secondary me-1">diesel</span>':''}${x.has_lpg?'<span class="badge text-bg-secondary">LPG</span>':''}</td></tr>`).join('');
    empty.classList.toggle('d-none',d.data.items.length>0);
  }catch(e){empty.textContent=e.message;empty.classList.remove('d-none')}
  finally{loading.classList.add('d-none')}
};

if(!document.documentElement.dataset.stationPointsDelegated){
  document.documentElement.dataset.stationPointsDelegated='1';
  document.addEventListener('click',e=>{
    const b=e.target.closest('.station-points-open');
    if(!b)return;
    const modalEl=F.qs('#stationPointsModal');
    if(!modalEl)return;
    modalEl.dataset.stationId=b.dataset.stationId;
    F.qs('#stationPointsTitle',modalEl).textContent=`Punkty: ${b.dataset.stationName}`;
    F.qs('#stationPointsSearch',modalEl).value='';
    F.qs('#stationPointsCount',modalEl).textContent='';
    bootstrap.Modal.getOrCreateInstance(modalEl).show();
    F.loadStationPoints();
  });
}

F.bindStationInlineCompany=()=>{
  F.qsa('.station-inline-company-select').forEach(select=>{
    if(select.dataset.bound)return;
    select.dataset.bound='1';
    select.addEventListener('change',()=>{
      const url=new URL(location.href);
      url.searchParams.set('company_id',select.value);
      url.searchParams.delete('page');
      F.replaceMain(url.toString(),{push:true}).catch(e=>F.notify(e.message,'danger'));
    });
  });
};
})();