// Dragonflight UXP Panel — main.js v2.1.5

(function () {
  if (window.__df_uxp_started) return;
  window.__df_uxp_started = true;

  const $ = id => document.getElementById(id);

  // UXP renders native <button> chrome that ignores CSS `background` and does
  // not draw <svg>-only button content, so the rail/dock icon controls are
  // <div role="button"> (divs render custom backgrounds + SVG children fine).
  // Divs have no native `disabled`, so reflect the `.disabled` property the
  // rest of the code sets onto a [disabled] attribute the stylesheet keys off.
  const ICON_CONTROLS = [
    'menu-btn', 'tab-library', 'tab-growing', 'export-timeline-btn', 'refresh-btn',
    'import-proxy-btn', 'import-hires-btn', 'mount-live-btn', 'relink-btn', 'upload-mam-btn'
  ];
  function enableDivDisabled() {
    ICON_CONTROLS.forEach(id => {
      const el = document.getElementById(id);
      if (!el || Object.getOwnPropertyDescriptor(el, 'disabled')) return;
      Object.defineProperty(el, 'disabled', {
        configurable: true,
        get() { return this.hasAttribute('disabled'); },
        set(v) { if (v) this.setAttribute('disabled', ''); else this.removeAttribute('disabled'); }
      });
    });
  }

  // Asset layout toggle: compact list (default) vs thumbnail grid. Persisted
  // in localStorage when available (UXP host permitting), else session-only.
  const GRID_ICON = '<svg width="15" height="15" viewBox="0 0 24 24"><path fill="currentColor" d="M4 11h5V5H4v6zm0 7h5v-6H4v6zm6 0h5v-6h-5v6zm6 0h5v-6h-5v6zm-6-7h5V5h-5v6zm6-6v6h5V5h-5z"/></svg>';
  const LIST_ICON = '<svg width="15" height="15" viewBox="0 0 24 24"><path fill="currentColor" d="M4 10.5c-.83 0-1.5.67-1.5 1.5s.67 1.5 1.5 1.5 1.5-.67 1.5-1.5-.67-1.5-1.5-1.5zm0-6c-.83 0-1.5.67-1.5 1.5S3.17 7.5 4 7.5 5.5 6.83 5.5 6 4.83 4.5 4 4.5zm0 12c-.83 0-1.5.68-1.5 1.5s.68 1.5 1.5 1.5 1.5-.68 1.5-1.5-.67-1.5-1.5-1.5zM7 19h14v-2H7v2zm0-6h14v-2H7v2zm0-8v2h14V5H7z"/></svg>';
  let _viewMode = null;
  function getViewMode() {
    if (_viewMode) return _viewMode;
    try { _viewMode = localStorage.getItem('df_view_mode'); } catch (e) {}
    return _viewMode || 'list';
  }
  function applyViewMode(mode) {
    _viewMode = mode === 'grid' ? 'grid' : 'list';
    try { localStorage.setItem('df_view_mode', _viewMode); } catch (e) {}
    const isList = _viewMode === 'list';
    document.querySelectorAll('.asset-grid').forEach(g => g.classList.toggle('list-view', isList));
    const btn = $('view-toggle-btn');
    if (btn) {
      // Show the icon for the layout a click switches TO.
      btn.innerHTML = isList ? GRID_ICON : LIST_ICON;
      btn.setAttribute('data-tip', isList ? 'Grid view' : 'List view');
    }
  }

  function syncConnectBtn() {
    $('connect-btn').disabled = !$('server-url').value.trim() || !$('api-token').value.trim();
  }

  async function tryConnect(serverUrl, apiToken) {
    UI.setStatus('#connect-status', 'Connecting…', 'muted');
    try {
      const me = await API.connect(serverUrl, apiToken);
      const who = (me && (me.display_name || me.username)) || serverUrl;
      $('connected-host').textContent = who === serverUrl ? who : who + ' @ ' + serverUrl;
      UI.setStatus('#connect-status', '', 'muted');
      UI.showPane('library');
      await Library.loadProjects();
      await Library.refresh('');
      Library.startGrowingPoll();
      Timeline.refreshSeqBar().catch(() => {});
    } catch (e) {
      API.state.connected = false;
      UI.setStatus('#connect-status', 'Connect failed: ' + e.message, 'error');
      UI.showPane('connect');
    }
  }

  function wireConnectPane() {
    $('server-url').value = API.state.serverUrl;
    $('api-token').value  = API.state.apiToken;
    syncConnectBtn();
    ['input','change'].forEach(ev => {
      $('server-url').addEventListener(ev, syncConnectBtn);
      $('api-token').addEventListener(ev, syncConnectBtn);
    });
    $('connect-btn').addEventListener('click', async () => {
      await tryConnect($('server-url').value.trim(), $('api-token').value.trim());
    });
  }

  function wireLibraryPane() {
    // Overflow menu toggle (v2.1.8). Click ⋯ to open; click elsewhere closes.
    const menuBtn = $('menu-btn');
    const menu    = $('status-menu');
    if (menuBtn && menu) {
      menuBtn.addEventListener('click', (e) => {
        e.stopPropagation();
        menu.classList.toggle('hidden');
      });
      document.addEventListener('click', (e) => {
        if (!menu.classList.contains('hidden')
            && !menu.contains(e.target)
            && e.target !== menuBtn) {
          menu.classList.add('hidden');
        }
      });
    }

    $('disconnect-btn').addEventListener('click', () => {
      if (menu) menu.classList.add('hidden');
      API.disconnect();
      Library.stopGrowingPoll();
      $('server-url').value = '';
      $('api-token').value  = '';
      syncConnectBtn();
      UI.showPane('connect');
      UI.setStatus('#connect-status', 'Disconnected.', 'muted');
    });

    $('tab-library').addEventListener('click', () => Library.switchTab('library'));
    $('tab-growing').addEventListener('click', () => Library.switchTab('growing'));

    const vt = $('view-toggle-btn');
    if (vt) vt.addEventListener('click', () => {
      applyViewMode(getViewMode() === 'list' ? 'grid' : 'list');
    });

    let searchTimer;
    $('search-input').addEventListener('input', e => {
      clearTimeout(searchTimer);
      const q = e.target.value;
      searchTimer = setTimeout(() => {
        if (Library.state.currentTab === 'library') Library.refresh(q);
        else { Library.state.searchQuery = q; Library._pollGrowing(); }
      }, 280);
    });

    $('project-filter').addEventListener('change', e => {
      Library.state.selectedProject = e.target.value;
      if (Library.state.currentTab === 'library') Library.refresh(Library.state.searchQuery);
      else Library._pollGrowing();
    });

    $('refresh-btn').addEventListener('click', () => Library.refresh($('search-input').value));

    $('import-proxy-btn').addEventListener('click', async () => {
      const a = Library.selectedAsset(); if (!a) return;
      _disableImportBtns(true);
      try {
        const { localPath, safeName } = await Import.proxy(a);
        Library.recordImport(localPath,        { assetId: a.id, displayName: a.display_name || a.filename });
        Library.recordImport('name:' + safeName, { assetId: a.id, displayName: a.display_name || a.filename });
      } catch (e) { UI.hideProgress(); UI.toast('Proxy import failed: ' + e.message, 'error'); }
      finally { _disableImportBtns(false); Library._syncActions(); }
    });

    $('import-hires-btn').addEventListener('click', async () => {
      const a = Library.selectedAsset(); if (!a) return;
      _disableImportBtns(true);
      try {
        const { localPath, safeName } = await Import.hires(a);
        Library.recordImport(localPath,        { assetId: a.id, displayName: a.display_name || a.filename });
        Library.recordImport('name:' + safeName, { assetId: a.id, displayName: a.display_name || a.filename });
      } catch (e) { UI.hideProgress(); UI.toast('Hi-res import failed: ' + e.message, 'error'); }
      finally { _disableImportBtns(false); Library._syncActions(); }
    });

    // ── Upload highlighted bin file(s) to the MAM ──
    $('upload-mam-btn').addEventListener('click', uploadToMam);

    $('mount-live-btn').addEventListener('click', async () => {
      const a = Library.selectedAsset(); if (!a) return;
      $('mount-live-btn').disabled = true;
      UI.showProgress('Resolving live path…', 10);
      try {
        const info = await API.getLivePath(a.id);
        const hostPath = info.win_path || info.posix_path;
        UI.showProgress('Importing live file…', 50);
        await Import.importIntoProject(hostPath);
        Library.recordImport('live:' + a.id, { assetId: a.id, displayName: info.display_name, livePath: hostPath });
        Library.startLiveStatusPoll(a.id);
        UI.hideProgress();
        UI.toast('Mounted live: ' + (info.display_name || a.id), 'ok');
      } catch (e) { UI.hideProgress(); UI.toast('Mount live failed: ' + e.message, 'error'); }
      finally { Library._syncActions(); }
    });

    // ── Relink single asset (proxy → hi-res) ──
    // ALL premierepro calls must be awaited — runtime returns Promises
    $('relink-btn').addEventListener('click', async () => {
      const a = Library.selectedAsset(); if (!a) return;
      const entry = Library.getImport('live:' + a.id);
      if (!entry) { UI.toast('No live mount recorded', 'error'); return; }
      $('relink-btn').disabled = true;
      UI.showProgress('Fetching hi-res…', 10);
      try {
        const info     = await API.getHiresInfo(a.id);
        const safeName = UI.sanitizeFilename(info.filename || (a.display_name || a.id) + '.' + (info.ext || 'mxf'));
        const dest     = await Import._tempPath(safeName);
        UI.showProgress('Downloading ' + safeName + '…', 20);
        // S3 presigned URL — no auth, auto-follow redirects (UXP handles)
        const r = await API.requestExternal(info.url);
        if (!r.ok) throw new Error('Download HTTP ' + r.status);
        UI.showProgress('Writing to disk…', 65);
        const buf = await r.arrayBuffer();
        await Import._writeBuffer(dest, buf);
        UI.showProgress('Relinking…', 85);
        const P = require('premierepro');
        const proj = await P.Project.getActiveProject();   // ← must await
        if (!proj) throw new Error('No active project');
        await Timeline._relinkInProject(proj, entry.livePath, dest);
        Library.recordImport(dest, { assetId: a.id, displayName: a.display_name || a.filename });
        UI.hideProgress();
        UI.toast('Relinked: ' + safeName, 'ok');
      } catch (e) { UI.hideProgress(); UI.toast('Relink failed: ' + e.message, 'error'); }
      finally { Library._syncActions(); }
    });

    // Single Export entry → popup menu (Conform Timeline / Local Export).
    wireExportMenu();

    // Advanced collapsible toggle (v2.2.0).
    const advToggle = $('advanced-toggle');
    const advBody   = $('advanced-body');
    if (advToggle && advBody) {
      advToggle.addEventListener('click', () => {
        const open = advBody.classList.toggle('hidden') === false;
        advToggle.setAttribute('aria-expanded', String(open));
      });
    }
  }

  function _disableImportBtns(dis) {
    ['import-proxy-btn','import-hires-btn'].forEach(id => { $(id).disabled = dis; });
  }

  function _basename(p) { return String(p).split(/[\\/]/).pop(); }

  // Target project for uploads/auto-upload: the project filter when specific,
  // else the only project if there's exactly one, else null (caller prompts).
  function getTargetProjectId() {
    const sel = Library.state.selectedProject;
    if (sel && sel !== 'all') return sel;
    const projs = Library.state.projects || [];
    return projs.length === 1 ? projs[0].id : null;
  }

  // ── Export screen (full-panel chooser → Conform / Local Export) ──
  function wireExportMenu() {
    const btn = $('export-timeline-btn');
    if (!btn) return;
    const close = () => UI.setHidden('#export-screen', true);
    btn.addEventListener('click', () => UI.setHidden('#export-screen', false));
    const closeBtn = $('export-screen-close');
    if (closeBtn) closeBtn.addEventListener('click', close);
    const optConform = $('opt-conform');
    if (optConform) optConform.addEventListener('click', () => { close(); openConformPanel(); });
    const optLocal = $('opt-local-export');
    if (optLocal) optLocal.addEventListener('click', () => { close(); runLocalExport(); });
  }

  // ── Upload highlighted bin file(s) (or file-picker fallback) ─────
  async function uploadToMam() {
    const projectId = getTargetProjectId();
    if (!projectId) { UI.toast('Pick a target project (project filter) before uploading', 'error'); return; }
    let paths = [];
    try { paths = await Import.getSelectedBinPaths(); } catch (_) {}
    if (!paths.length) {
      UI.toast('No bin selection — choose file(s) to upload', 'muted');
      try { paths = await Import.pickFiles(); }
      catch (e) { UI.toast('File picker unavailable: ' + e.message, 'error'); return; }
    }
    if (!paths.length) return;
    let ok = 0, fail = 0;
    for (let i = 0; i < paths.length; i++) {
      const name = _basename(paths[i]);
      UI.showProgress('Uploading ' + name + ' (' + (i + 1) + '/' + paths.length + ')…', 10 + (i / paths.length) * 80);
      try { await Import.uploadFile(paths[i], { projectId }); ok++; }
      catch (e) { fail++; console.warn('[df] upload failed', paths[i], e.message); }
    }
    UI.hideProgress();
    UI.toast('Uploaded ' + ok + (fail ? ', ' + fail + ' failed' : '') + ' to MAM', fail ? 'error' : 'ok');
    if (ok) Library.refresh(Library.state.searchQuery);
  }

  // ── Local Export (server FFMPEG-trims hi-res → download → relink) ─
  async function runLocalExport() {
    const projectId = getTargetProjectId();
    UI.showProgress('Reading Premiere sequence…', 8);
    let td;
    try { td = await Timeline.readActiveSequence(); }
    catch (e) { UI.hideProgress(); UI.toast('Timeline read failed: ' + e.message, 'error'); return; }
    if (!td.clips.length) { UI.hideProgress(); UI.toast('No clips in active sequence', 'error'); return; }

    let resolved = Library.resolveClipsToAssets(td.clips);
    const missing = resolved.filter(c => !c.asset_id && c.filePath);
    if (missing.length) {
      if (!projectId) { UI.hideProgress(); UI.toast(missing.length + ' clip(s) not in MAM — pick a target project so they can be uploaded', 'error'); return; }
      try {
        await Import.ensureClipsInMam(resolved, projectId, (name, n, total) =>
          UI.showProgress('Uploading missing source ' + name + ' (' + n + '/' + total + ')…', 8 + (n / total) * 20));
        resolved = Library.resolveClipsToAssets(td.clips);
      } catch (e) { UI.hideProgress(); UI.toast('Auto-upload failed: ' + e.message, 'error'); return; }
    }

    try {
      const res = await Timeline.localExport(resolved, (label, pct) => UI.showProgress(label, pct));
      UI.hideProgress();
      if (res.failed) UI.toast('Local Export: ' + res.succeeded + ' ok, ' + res.failed + ' failed', 'error');
      else UI.toast('Local Export complete — ' + res.succeeded + ' clip(s) relinked', 'ok');
    } catch (e) { UI.hideProgress(); UI.toast('Local Export failed: ' + e.message, 'error'); }
  }

  let _seqCache = null;

  // ── One-click Export Timeline ────────────────────────────────────
  //
  // Contract: clicking Export Timeline reads the active Premiere
  // sequence, pushes it to MAM, kicks off a hi-res conform render, and
  // lets the result land as an asset in the Library. No prompts.
  //
  // Defaults are baked in (ProRes 422 HQ / source res / broadcast
  // audio). Advanced → Export & Conform is still wired for fine-grained
  // control.
  const LS_EXPORT_PROJECT = 'df.uxp.exportProjectId';
  const DEFAULT_EXPORT_OPTS = {
    codec:      'prores_hq',
    quality:    'high',
    resolution: 'source',
    audio:      'broadcast',
  };

  // Resolve a target MAM project for the export. Cached in localStorage
  // after first run so subsequent exports require zero clicks. Falls
  // back to the first project on the server. If the cache references a
  // project that no longer exists, we transparently re-pick.
  async function resolveExportProject() {
    const cached = localStorage.getItem(LS_EXPORT_PROJECT) || '';
    let projects;
    try { projects = await API.listProjects(); }
    catch (e) { throw new Error('Project lookup failed: ' + e.message); }
    if (!Array.isArray(projects) || !projects.length) {
      throw new Error('No projects in MAM — create one in the web UI first');
    }
    if (cached && projects.some(p => p.id === cached)) return cached;
    const id = projects[0].id;
    localStorage.setItem(LS_EXPORT_PROJECT, id);
    return id;
  }

  async function oneClickExport() {
    UI.$('#export-timeline-btn').disabled = true;
    try {
      UI.showProgress('Reading Premiere sequence…', 5);
      let td;
      try { td = await Timeline.readActiveSequence(); }
      catch (e) { throw new Error('Timeline read failed: ' + e.message); }
      if (!td || !td.clips || !td.clips.length) {
        throw new Error('No clips in active sequence');
      }

      UI.showProgress('Resolving target project…', 10);
      const projectId = await resolveExportProject();
      const seqName   = td.sequenceName || 'Premiere Export';

      UI.showProgress('Pushing timeline + queueing render…', 15);
      let jobId;
      try {
        jobId = await Timeline.startConform(projectId, seqName, td, DEFAULT_EXPORT_OPTS);
      } catch (e) { throw new Error('Export failed: ' + e.message); }
      if (!jobId) throw new Error('Export started but no job id was returned');

      // Poll the conform job to completion. Map progress 20→95% so the
      // user sees the bar move during the long render step.
      UI.showProgress('Rendering hi-res…', 20);
      await new Promise((resolve) => {
        Timeline.pollConform(jobId,
          (progress, status) => {
            UI.showProgress('Rendering hi-res (' + (status || 'queued') + ')…', 20 + 0.75 * (Number(progress) || 0));
          },
          (job) => {
            UI.hideProgress();
            if (job && job.status === 'completed') {
              UI.toast('Rendered: ' + seqName + ' — now in Library', 'ok');
              const q = ($('search-input') && $('search-input').value) || '';
              Library.refresh(q).catch(() => {});
            } else {
              const why = (job && (job.error || job.message)) || 'unknown reason';
              UI.toast('Render failed: ' + why, 'error');
            }
            resolve();
          }
        );
      });
    } catch (e) {
      UI.hideProgress();
      UI.toast(e.message || 'Export failed', 'error');
    } finally {
      UI.$('#export-timeline-btn').disabled = false;
    }
  }

  async function openExportPanel() {
    UI.showProgress('Reading Premiere sequence…', 20);
    try { _seqCache = await Timeline.readActiveSequence(); }
    catch (e) { UI.hideProgress(); UI.toast('Timeline read failed: ' + e.message, 'error'); return; }
    if (!_seqCache.clips.length) { UI.hideProgress(); UI.toast('No clips in active sequence', 'error'); return; }
    UI.hideProgress();
    const resolved = Library.resolveClipsToAssets(_seqCache.clips);
    const matched  = resolved.filter(c => c.asset_id).length;
    $('export-seq-name').value = _seqCache.sequenceName || 'Sequence 1';
    $('export-clip-info').textContent = matched + ' of ' + _seqCache.clips.length + ' clip(s) matched to MAM assets';
    UI.openSlide('export-overlay', 'export-panel');
  }

  function wireExportPanel() {
    $('export-close-btn').addEventListener('click',  () => UI.closeSlide('export-overlay', 'export-panel'));
    $('export-cancel-btn').addEventListener('click', () => UI.closeSlide('export-overlay', 'export-panel'));
    $('export-overlay').addEventListener('click',    () => UI.closeSlide('export-overlay', 'export-panel'));
    $('export-confirm-btn').addEventListener('click', async () => {
      if (!_seqCache) return;
      const seqName   = ($('export-seq-name').value || '').trim() || 'Sequence 1';
      const projectId = $('export-proj-select').value;
      if (!projectId) { UI.toast('Select a target project', 'error'); return; }
      UI.closeSlide('export-overlay', 'export-panel');
      UI.showProgress('Pushing timeline…', 20);
      try {
        const { matched, skipped } = await Timeline.pushToMAM(seqName, projectId, _seqCache);
        UI.hideProgress();
        UI.toast('Pushed ' + matched + ' clip(s)' + (skipped ? ' (' + skipped + ' skipped)' : ''), 'ok');
      } catch (e) { UI.hideProgress(); UI.toast('Export failed: ' + e.message, 'error'); }
    });
  }

  async function openConformPanel() {
    UI.showProgress('Reading Premiere sequence…', 20);
    try { _seqCache = await Timeline.readActiveSequence(); }
    catch (e) { UI.hideProgress(); UI.toast('Timeline read failed: ' + e.message, 'error'); return; }
    if (!_seqCache.clips.length) { UI.hideProgress(); UI.toast('No clips in active sequence', 'error'); return; }
    UI.hideProgress();
    const resolved = Library.resolveClipsToAssets(_seqCache.clips);
    const total    = _seqCache.clips.length;
    const matched  = resolved.filter(c => c.asset_id).length;
    const missing  = total - matched;
    $('conform-clip-info').textContent = missing
      ? matched + ' of ' + total + ' clip(s) in MAM — ' + missing + ' will be uploaded first'
      : matched + ' of ' + total + ' clip(s) in MAM';
    $('conform-start-btn').disabled = total === 0;
    const conformProj = $('conform-proj-select');
    if (conformProj) {
      conformProj.innerHTML = '<option value="">— Select project —</option>';
      Library.state.projects.forEach(p => {
        const o = document.createElement('option'); o.value = p.id; o.textContent = p.name;
        conformProj.appendChild(o);
      });
    }
    UI.openSlide('conform-overlay', 'conform-panel');
  }

  function wireConformPanel() {
    $('conform-close-btn').addEventListener('click',  () => UI.closeSlide('conform-overlay', 'conform-panel'));
    $('conform-cancel-btn').addEventListener('click', () => UI.closeSlide('conform-overlay', 'conform-panel'));
    $('conform-overlay').addEventListener('click',    () => UI.closeSlide('conform-overlay', 'conform-panel'));
    $('preset-cards').addEventListener('click', e => {
      const card = e.target.closest('.preset-card'); if (!card) return;
      document.querySelectorAll('.preset-card').forEach(c => c.classList.remove('selected'));
      card.classList.add('selected');
      const presets = {
        broadcast: { codec:'prores_hq',  quality:'high',   resolution:'1080p', audio:'broadcast' },
        web:       { codec:'h264',         quality:'medium', resolution:'1080p', audio:'web' },
        archive:   { codec:'prores_4444', quality:'high',   resolution:'uhd',   audio:'archive' },
      };
      const p = presets[card.dataset.preset];
      if (p) { $('conform-codec').value=p.codec; $('conform-quality').value=p.quality; $('conform-resolution').value=p.resolution; $('conform-audio').value=p.audio; }
      // Manual codec/quality/res/audio fields appear only for Custom.
      UI.setHidden('#conform-custom', card.dataset.preset !== 'custom');
    });
    $('conform-start-btn').addEventListener('click', async () => {
      if (!_seqCache) return;
      const conformProj = $('conform-proj-select');
      const projectId   = conformProj ? conformProj.value : '';
      if (!projectId) { UI.toast('Select a target project', 'error'); return; }
      UI.closeSlide('conform-overlay', 'conform-panel');
      // Auto-upload any timeline sources not yet in the MAM, then conform.
      try {
        const resolved = Library.resolveClipsToAssets(_seqCache.clips);
        const missing  = resolved.filter(c => !c.asset_id && c.filePath);
        if (missing.length) {
          await Import.ensureClipsInMam(resolved, projectId, (name, n, tot) =>
            UI.showProgress('Uploading missing source ' + name + ' (' + n + '/' + tot + ')…', 5 + (n / tot) * 10));
        }
      } catch (e) { UI.hideProgress(); UI.toast('Auto-upload failed: ' + e.message, 'error'); return; }
      UI.showProgress('Starting conform job…', 15);
      try {
        const jobId = await Timeline.startConform(projectId, _seqCache.sequenceName, _seqCache, {
          codec:$('conform-codec').value, quality:$('conform-quality').value,
          resolution:$('conform-resolution').value, audio:$('conform-audio').value,
        });
        Timeline.pollConform(jobId,
          (pct, status) => UI.showProgress('Conform: ' + status + ' (' + pct + '%)…', 15 + pct * 0.8),
          job => {
            UI.hideProgress();
            if (job.status==='completed') { UI.toast('Conform complete','ok'); Library.refresh(Library.state.searchQuery); }
            else { UI.toast('Conform failed: '+(job.error||'unknown'),'error'); }
          }
        );
      } catch (e) { UI.hideProgress(); UI.toast('Conform failed: ' + e.message, 'error'); }
    });
  }

  let _relinkClips = [];

  async function openRelinkPanel() {
    UI.showProgress('Reading Premiere sequence…', 20);
    try { _seqCache = await Timeline.readActiveSequence(); }
    catch (e) { UI.hideProgress(); UI.toast('Timeline read failed: ' + e.message, 'error'); return; }
    UI.hideProgress();
    const resolved = Library.resolveClipsToAssets(_seqCache.clips);
    _relinkClips = resolved;
    const list = $('clip-list');
    list.innerHTML = '';
    $('relink-summary').classList.add('hidden');
    $('relink-start-btn').disabled = true;
    if (!resolved.length) {
      list.innerHTML = '<div class="empty muted">No clips in active sequence</div>';
    } else {
      resolved.forEach((clip, i) => {
        const matched = !!clip.asset_id;
        const row = document.createElement('div');
        row.className = 'clip-item' + (matched ? ' matched' : ' unmatched');
        const cb = document.createElement('input');
        cb.type='checkbox'; cb.id='rclip-'+i; cb.disabled=!matched; cb.checked=matched;
        cb.addEventListener('change', _syncRelinkStart);
        const lbl = document.createElement('label');
        lbl.htmlFor='rclip-'+i; lbl.className='clip-item-name'; lbl.textContent=clip.fileName||'clip';
        const st = document.createElement('span');
        st.className='clip-item-status'; st.textContent=matched?'matched':'not in MAM';
        row.append(cb, lbl, st); list.appendChild(row);
      });
    }
    UI.openSlide('relink-overlay', 'relink-panel');
    _syncRelinkStart();
  }

  function _syncRelinkStart() {
    $('relink-start-btn').disabled = !document.querySelector('#clip-list input[type="checkbox"]:checked');
  }

  function wireRelinkPanel() {
    $('relink-close-btn').addEventListener('click',  () => UI.closeSlide('relink-overlay', 'relink-panel'));
    $('relink-cancel-btn').addEventListener('click', () => UI.closeSlide('relink-overlay', 'relink-panel'));
    $('relink-overlay').addEventListener('click',    () => UI.closeSlide('relink-overlay', 'relink-panel'));
    $('relink-start-btn').addEventListener('click', async () => {
      const checked = document.querySelectorAll('#clip-list input[type="checkbox"]:checked');
      const selected = [];
      checked.forEach(cb => {
        const i = parseInt(cb.id.replace('rclip-',''), 10);
        if (_relinkClips[i] && _relinkClips[i].asset_id) selected.push(_relinkClips[i]);
      });
      if (!selected.length) return;
      UI.closeSlide('relink-overlay', 'relink-panel');
      UI.showProgress('Starting batch relink…', 5);
      try {
        const res = await Timeline.batchRelink(selected);
        UI.hideProgress();
        UI.toast(res.succeeded + ' relinked' + (res.failed ? ', ' + res.failed + ' failed' : ''), res.failed ? 'error' : 'ok');
      } catch (e) { UI.hideProgress(); UI.toast('Batch relink failed: ' + e.message, 'error'); }
    });
  }

  // Read the plugin version from manifest.json at runtime — the canonical
  // source of truth. Display it on both the connect-pane brand and the
  // library-pane status strip so we can verify which build is actually
  // running (UPIA stacks every install in its own _<version> dir, so the
  // "highest in folder" picker has historically loaded stale copies).
  async function showVersion() {
    let v = '';
    try {
      const lfs = require('uxp').storage.localFileSystem;
      const folder = await lfs.getPluginFolder();
      const entry = await folder.getEntry('manifest.json');
      const text  = await entry.read();
      const m = JSON.parse(text);
      v = m && m.version ? ('v' + m.version) : '';
    } catch (_) { /* leave blank — the absence itself signals a bad load */ }
    const a = $('panel-version');  if (a) a.textContent = v;
    const b = $('brand-version');  if (b) b.textContent = v;
  }

  function init() {
    enableDivDisabled();
    applyViewMode(getViewMode());
    wireConnectPane(); wireLibraryPane();
    wireExportPanel(); wireConformPanel(); wireRelinkPanel();
    showVersion();
    if (API.state.serverUrl && API.state.apiToken) tryConnect(API.state.serverUrl, API.state.apiToken);
    else UI.showPane('connect');
  }

  if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', init);
  else init();
})();