export const torrentStatsSource = "  function torrentStatsCard(label, value, note=''){\n    return `<div class=\"torrent-stats-card\"><b>${esc(label)}</b><span>${esc(value ?? '-')}</span>${note?`<small>${esc(note)}</small>`:''}</div>`;\n  }\n  function activeTorrentStatsPane(){\n    const value=localStorage.getItem(TORRENT_STATS_PANE_STORAGE_KEY)||'overview';\n    return ['overview','storage','sources','speed','cache'].includes(value) ? value : 'overview';\n  }\n  function setTorrentStatsPane(pane){\n    const box=$('torrentStatsManager');\n    if(!box) return;\n    localStorage.setItem(TORRENT_STATS_PANE_STORAGE_KEY, pane);\n    box.querySelectorAll('[data-torrentstats-pane]').forEach(x=>x.classList.toggle('active',x.dataset.torrentstatsPane===pane));\n    box.querySelectorAll('[data-torrentstats-panel]').forEach(x=>x.classList.toggle('d-none',x.dataset.torrentstatsPanel!==pane));\n  }\n  function renderTorrentStats(stats={}){\n    const box=$('torrentStatsManager');\n    if(!box) return;\n    const age=Number(stats.age_seconds||0);\n    const updated=stats.updated_at ? String(stats.updated_at).replace('T',' ').replace(/\\+00:00$/,' UTC') : '-';\n    const active=activeTorrentStatsPane();\n    const panes=[\n      ['overview','Overview', [\n        torrentStatsCard('Torrents', stats.torrent_count, `${stats.complete_count||0} complete / ${stats.incomplete_count||0} incomplete`),\n        torrentStatsCard('Sampled', stats.sampled_torrents ?? 0, stats.stale?'cache is stale':'cache is fresh')\n      ]],\n      ['storage','Storage', [\n        torrentStatsCard('Torrent size', stats.total_torrent_size_h || fmtBytes(stats.total_torrent_size)),\n        torrentStatsCard('Files size', stats.total_file_size_h || fmtBytes(stats.total_file_size), `${stats.file_count||0} files`)\n      ]],\n      ['sources','Seeds / peers', [\n        torrentStatsCard('Seeds / peers', `${stats.seeds_total||0} / ${stats.peers_total||0}`, 'current sum from last sample')\n      ]],\n      ['speed','Speed', [\n        torrentStatsCard('Speed DL / UL', `${stats.down_rate_total_h||'0 B/s'} / ${stats.up_rate_total_h||'0 B/s'}`)\n      ]],\n      ['cache','Cache', [\n        torrentStatsCard('Updated', updated),\n        torrentStatsCard('Age', `${age}s`)\n      ]]\n    ];\n    if($('torrentStatsMeta')) $('torrentStatsMeta').textContent=`Updated: ${updated}, age: ${age}s`;\n    const errors=Array.isArray(stats.errors)&&stats.errors.length ? `<div class=\"alert alert-warning py-2 mt-3 mb-0\">File metadata warnings: ${esc(stats.errors.length)} torrent(s). ${esc(stats.error||'')}</div>` : '';\n    box.innerHTML=`<div class=\"column-manager-tabs\"><ul class=\"nav nav-pills\">${panes.map(p=>`<li class=\"nav-item\"><button class=\"nav-link ${p[0]===active?'active':''}\" type=\"button\" data-torrentstats-pane=\"${p[0]}\">${p[1]}</button></li>`).join('')}</ul></div>${panes.map(p=>`<div class=\"torrentstats-pane ${p[0]===active?'':'d-none'}\" data-torrentstats-panel=\"${p[0]}\"><div class=\"torrent-stats-grid\">${p[2].join('')}</div></div>`).join('')}${errors}`;\n  }\n  async function loadTorrentStats(force=false){\n    const box=$('torrentStatsManager');\n    if(!box) return;\n    box.innerHTML='<span class=\"spinner-border spinner-border-sm\"></span> Loading torrent statistics...';\n    try{\n      const j=await (await fetch(`/api/torrent-stats${force?'?force=1':''}`)).json();\n      if(!j.ok) throw new Error(j.error||'Torrent statistics failed');\n      renderTorrentStats(j.stats||{});\n      if(force) toast('Torrent statistics refreshed','success');\n    }catch(e){ box.innerHTML=`<div class=\"text-danger\">${esc(e.message)}</div>`; }\n  }\n\n";