export const torrentAddSource = "  // Note: Add Torrent modal preview, submission and drag/drop upload handling are grouped here.\n  const addPreviewState = {items: []};\n  function renderTorrentPreview(items=[]){\n    addPreviewState.items = items;\n    const box=$('torrentPreview');\n    if(!box) return;\n    if(!items.length){ box.innerHTML=''; return; }\n    const cards=items.map(item=>{\n      const files=(item.files||[]).map((f,index)=>`<tr><td><input class=\"preview-file-priority\" type=\"checkbox\" data-torrent=\"${esc(item.info_hash||item.filename)}\" data-index=\"${index}\" checked></td><td>${esc(f.path)}</td><td>${esc(fmtBytes(f.size||0))}</td></tr>`).join('');\n      const limitWarn=item.xmlrpc_too_large?`<div class=\"alert alert-danger py-1 px-2 mt-2 mb-0 small\"><i class=\"fa-solid fa-triangle-exclamation\"></i> Too large for current rTorrent XML-RPC upload limit: request ${esc(item.xmlrpc_request_h||'')} exceeds the configured limit. Change <b>network.xmlrpc.size_limit</b> in rTorrent config, e.g. 16M.</div>`:'';\n      return `<div class=\"torrent-preview-card ${item.duplicate?'is-duplicate':''}\" data-torrent=\"${esc(item.info_hash||item.filename)}\"><div class=\"torrent-preview-head\"><b>${esc(item.name||item.filename)}</b>${item.duplicate?'<span class=\"badge text-bg-danger\">duplicate</span>':''}<span class=\"text-muted\">${esc(fmtBytes(item.size||0))} · ${esc(item.file_count||0)} files</span></div><div class=\"small text-muted\">${esc(item.info_hash||'')}</div>${limitWarn}<div class=\"preview-actions\"><button type=\"button\" class=\"btn btn-xs btn-outline-secondary preview-select-all\"><i class=\"fa-solid fa-check-double\"></i> All</button><button type=\"button\" class=\"btn btn-xs btn-outline-secondary preview-select-none\"><i class=\"fa-solid fa-ban\"></i> None</button></div><div class=\"table-responsive\"><table class=\"table table-sm preview-file-table\"><tbody>${files}</tbody></table></div></div>`;\n    }).join('');\n    box.innerHTML=`<div class=\"torrent-preview-title\">Preview before adding</div>${cards}`;\n  }\n  async function previewTorrentFiles(){\n    const input=$('torrentFiles');\n    const files=[...(input?.files||[])];\n    $('torrentFilesInfo').textContent=files.length?`Selected files: ${files.length}`:'You can select multiple files at once.';\n    if(!files.length) return renderTorrentPreview([]);\n    const fd=new FormData();\n    files.forEach(f=>fd.append('files',f));\n    try{\n      const j=await (await fetch('/api/torrents/preview',{method:'POST',body:fd})).json();\n      if(!j.ok) throw new Error(j.error||'Preview failed');\n      renderTorrentPreview(j.previews||[]);\n    }catch(e){ if($('torrentPreview')) $('torrentPreview').innerHTML=`<div class=\"text-danger\">${esc(e.message)}</div>`; }\n  }\n  function collectPreviewPriorities(){\n    const out={};\n    addPreviewState.items.forEach(item=>{\n      const key=item.info_hash||item.filename;\n      out[key]=[...(item.files||[])].map((f,index)=>({index,priority:document.querySelector(`.preview-file-priority[data-torrent=\"${CSS.escape(key)}\"][data-index=\"${index}\"]`)?.checked ? 1 : 0}));\n    });\n    return out;\n  }\n  function torrentFilesFromDrop(event){\n    return [...(event.dataTransfer?.files||[])].filter(file=>/\\.torrent$/i.test(file.name||'') || file.type==='application/x-bittorrent');\n  }\n  function dragHasFiles(event){\n    const dt=event.dataTransfer;\n    if(!dt) return false;\n    if([...(dt.types||[])].includes('Files')) return true;\n    return [...(dt.items||[])].some(item=>item.kind==='file');\n  }\n  async function droppedTorrentSummary(files){\n    const fd=new FormData();\n    files.forEach(file=>fd.append('files',file));\n    try{\n      const j=await (await fetch('/api/torrents/preview',{method:'POST',body:fd})).json();\n      if(!j.ok) throw new Error(j.error||'Preview failed');\n      const names=(j.previews||[]).map(item=>`${item.duplicate?'[duplicate] ':''}${item.name||item.filename}`).filter(Boolean);\n      return names.length ? names : files.map(file=>file.name);\n    }catch(e){\n      return files.map(file=>file.name);\n    }\n  }\n  async function addDroppedTorrentFiles(files){\n    const torrentFiles=[...files].filter(file=>/\\.torrent$/i.test(file.name||'') || file.type==='application/x-bittorrent');\n    if(!torrentFiles.length){ toastMessage('toast.dropOnlyTorrents','warning'); return; }\n    const names=await droppedTorrentSummary(torrentFiles);\n    const preview=names.slice(0,8).join('\\n');\n    const suffix=names.length>8?`\\n...and ${names.length-8} more`:'';\n    if(!confirm(`Add ${torrentFiles.length} torrent file(s)?\\n\\n${preview}${suffix}`)) return;\n    setBusy(true,'Adding dropped torrent files...');\n    try{\n      const fd=new FormData();\n      fd.append('uris','');\n      fd.append('directory',await getDefaultDownloadPath());\n      fd.append('label','');\n      fd.append('start','1');\n      torrentFiles.forEach(file=>fd.append('files',file));\n      const res=await fetch('/api/torrents/add',{method:'POST',body:fd});\n      const j=await res.json().catch(()=>({ok:false,error:`Add failed: HTTP ${res.status}`}));\n      if(!res.ok || !j.ok) throw new Error(j.error||`Add failed: HTTP ${res.status}`);\n      const skipped=(j.skipped_duplicates||[]).length;\n      const queued=(j.job_ids||[]).length;\n      if(queued && skipped) toastMessage('toast.droppedAddedSkipped','warning',{queued, skipped});\n      else if(queued) toastMessage('toast.droppedAdded','success',{queued});\n      else if(skipped) toastMessage('toast.droppedSkipped','warning',{skipped});\n      else toastMessage('toast.droppedNone','warning');\n    }catch(e){\n      toast(e.message,'danger');\n    }finally{\n      setBusy(false);\n      document.body.classList.remove('dragging-torrent-files');\n    }\n  }\n  function setupTorrentDropZone(){\n    const zones=[$('tableWrap'),$('torrentBody'),$('mobileList'),document.querySelector('.content'),document.body].filter(Boolean);\n    let dragDepth=0;\n    const markActive=()=>document.body.classList.add('dragging-torrent-files');\n    const clearActive=()=>document.body.classList.remove('dragging-torrent-files');\n    const onDragEnter=event=>{\n      if(!dragHasFiles(event)) return;\n      event.preventDefault();\n      dragDepth+=1;\n      markActive();\n    };\n    const onDragOver=event=>{\n      if(!dragHasFiles(event)) return;\n      event.preventDefault();\n      if(event.dataTransfer) event.dataTransfer.dropEffect='copy';\n      markActive();\n    };\n    const onDragLeave=event=>{\n      if(!dragHasFiles(event)) return;\n      dragDepth=Math.max(0,dragDepth-1);\n      if(!dragDepth) clearActive();\n    };\n    const onDrop=event=>{\n      if(!dragHasFiles(event)) return;\n      event.preventDefault();\n      event.stopPropagation();\n      dragDepth=0;\n      clearActive();\n      addDroppedTorrentFiles(event.dataTransfer?.files||[]);\n    };\n    zones.forEach(zone=>{\n      if(zone.dataset?.torrentDropZoneBound==='1') return;\n      if(zone.dataset) zone.dataset.torrentDropZoneBound='1';\n      zone.addEventListener('dragenter',onDragEnter);\n      zone.addEventListener('dragover',onDragOver);\n      zone.addEventListener('dragleave',onDragLeave);\n      zone.addEventListener('drop',onDrop);\n    });\n  }\n  function hasTooLargeTorrentPreview(){\n    // Note: Client-side upload blocking mirrors the server validation and gives feedback before the add request.\n    return addPreviewState.items.some(item=>item.xmlrpc_too_large);\n  }\n  function addTorrentPayload(){\n    const fd=new FormData();\n    fd.append('uris',$('magnetInput')?.value||'');\n    fd.append('directory',$('addPath')?.value||'');\n    fd.append('label',$('addLabel')?.value||'');\n    fd.append('start',$('addStart')?.checked?'1':'0');\n    fd.append('file_priorities',JSON.stringify(collectPreviewPriorities()));\n    [...($('torrentFiles')?.files||[])].forEach(f=>fd.append('files',f));\n    return fd;\n  }\n  function resetAddTorrentForm(){\n    if($('magnetInput')) $('magnetInput').value='';\n    if($('torrentFiles')) $('torrentFiles').value='';\n    renderTorrentPreview([]);\n  }\n  async function addTorrentFromModal(){\n    const btn=$('addBtn');\n    buttonBusy(btn,true);\n    setBusy(true);\n    try{\n      if(hasTooLargeTorrentPreview()) throw new Error(appMessage('toast.addTooLarge'));\n      const res=await fetch('/api/torrents/add',{method:'POST',body:addTorrentPayload()});\n      const j=await res.json().catch(()=>({ok:false,error:`Add failed: HTTP ${res.status}`}));\n      if(!res.ok || !j.ok) throw new Error(j.error||`Add failed: HTTP ${res.status}`);\n      const skipped=(j.skipped_duplicates||[]).length;\n      if(skipped) toastMessage('toast.addQueuedSkipped','warning',{count:skipped});\n      else toastMessage('toast.addQueued','success');\n      resetAddTorrentForm();\n      bootstrap.Modal.getInstance($('addModal'))?.hide();\n    }catch(e){\n      toast(e.message,'danger');\n    }finally{\n      buttonBusy(btn,false);\n      setBusy(false);\n    }\n  }\n  $('addBtn')?.addEventListener('click',addTorrentFromModal); $('torrentFiles')?.addEventListener('change',previewTorrentFiles); $('torrentPreview')?.addEventListener('click',e=>{const card=e.target.closest('.torrent-preview-card'); if(!card) return; if(e.target.closest('.preview-select-all')) card.querySelectorAll('.preview-file-priority').forEach(x=>x.checked=true); if(e.target.closest('.preview-select-none')) card.querySelectorAll('.preview-file-priority').forEach(x=>x.checked=false);});\n";