// Dragonflight UXP Panel — main.js v2.1.0
// Bootstrap + event wiring for all UI panels.

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

  // ── Helpers ──────────────────────────────────────────────────────
  const $ = id => document.getElementById(id);
  function syncConnectBtn() {
    $('connect-btn').disabled = !$('server-url').value.trim() || !$('api-token').value.trim();
  }

  // ── Connect ──────────────────────────────────────────────────────
  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');
    }
  }

  // ── Connect pane wiring ──────────────────────────────────────────
  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());
    });
  }

  // ── Library pane wiring ──────────────────────────────────────────
  function wireLibraryPane() {
    // Disconnect
    $('disconnect-btn').addEventListener('click', () => {
      API.disconnect();
      Library.stopGrowingPoll();
      $('server-url').value = '';
      $('api-token').value  = '';
      syncConnectBtn();
      UI.showPane('connect');
      UI.setStatus('#connect-status', 'Disconnected.', 'muted');
    });

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

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

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

    // Import all
    $('import-all-btn').addEventListener('click', async () => {
      const assets = Library.state.assets;
      if (!assets.length) { UI.toast('No assets to import', 'error'); return; }
      _disableImportBtns(true);
      let ok = 0, fail = 0;
      for (const a of assets) {
        try { await Import.proxy(a); ok++; }
        catch (_) { fail++; }
      }
      _disableImportBtns(false);
      UI.hideProgress();
      UI.toast('Import all: ' + ok + ' ok' + (fail ? ', ' + fail + ' failed' : ''), fail ? 'error' : 'ok');
      Library._syncActions();
    });

    // Mount live
    $('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);
        // UXP runs on Windows PPro → use win_path
        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, 'ok');
      } catch (e) {
        UI.hideProgress();
        UI.toast('Mount live failed: ' + e.message, 'error');
      } finally {
        Library._syncActions();
      }
    });

    // Relink single asset
    $('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 for this asset', '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);
        const r = await API.requestFollow(info.url, {});
        if (!r.ok) throw new Error('Download HTTP ' + r.status);
        await Import._streamToFile(r, dest, ({ received, total }) => {
          const pct = total ? 20 + (received / total) * 60 : 20;
          UI.showProgress('Downloading ' + UI.formatBytes(received) + '…', pct);
        });
        UI.showProgress('Relinking…', 85);
        const P = require('premierepro');
        const project = await P.Project.getActiveProject();
        if (!project) throw new Error('No active project');
        await Timeline._relinkInProject(project, entry.livePath, dest);
        Library.recordImport(dest, { assetId: a.id, displayName: a.display_name || a.filename });
        UI.hideProgress();
        UI.toast('Relinked to hi-res: ' + safeName, 'ok');
      } catch (e) {
        UI.hideProgress();
        UI.toast('Relink failed: ' + e.message, 'error');
      } finally {
        Library._syncActions();
      }
    });

    // Export timeline
    $('export-timeline-btn').addEventListener('click', openExportPanel);

    // Advanced
    $('export-conform-btn').addEventListener('click', openConformPanel);
    $('fetch-relink-btn').addEventListener('click',   openRelinkPanel);
  }

  function _disableImportBtns(dis) {
    $('import-proxy-btn').disabled = dis;
    $('import-hires-btn').disabled = dis;
  }

  // ── Export timeline panel ─────────────────────────────────────────
  let _timelineCache = null;

  async function openExportPanel() {
    UI.showProgress('Reading Premiere sequence…', 20);
    try {
      _timelineCache = await Timeline.readActiveSequence();
    } catch (e) {
      UI.hideProgress(); UI.toast('Timeline read failed: ' + e.message, 'error'); return;
    }
    if (!_timelineCache.clips.length) {
      UI.hideProgress(); UI.toast('No clips in active sequence', 'error'); return;
    }
    UI.hideProgress();

    const resolved = Library.resolveClipsToAssets(_timelineCache.clips);
    const matched  = resolved.filter(c => c.asset_id).length;
    $('export-seq-name').value = _timelineCache.sequenceName || 'Sequence 1';
    $('export-clip-info').textContent = matched + ' of ' + _timelineCache.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-confirm-btn').addEventListener('click', async () => {
      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, _timelineCache);
        UI.hideProgress();
        UI.toast('Pushed ' + matched + ' clip(s)' + (skipped ? ' (' + skipped + ' skipped)' : ''), 'ok');
      } catch (e) {
        UI.hideProgress();
        UI.toast('Export failed: ' + e.message, 'error');
      }
    });
    $('export-overlay').addEventListener('click', () => UI.closeSlide('export-overlay', 'export-panel'));
  }

  // ── Conform panel ─────────────────────────────────────────────────
  async function openConformPanel() {
    UI.showProgress('Reading Premiere sequence…', 20);
    try {
      _timelineCache = await Timeline.readActiveSequence();
    } catch (e) {
      UI.hideProgress(); UI.toast('Timeline read failed: ' + e.message, 'error'); return;
    }
    if (!_timelineCache.clips.length) {
      UI.hideProgress(); UI.toast('No clips in active sequence', 'error'); return;
    }
    UI.hideProgress();
    const resolved = Library.resolveClipsToAssets(_timelineCache.clips);
    const matched  = resolved.filter(c => c.asset_id).length;
    $('conform-clip-info').textContent = matched + ' of ' + _timelineCache.clips.length + ' clip(s) matched';
    $('conform-start-btn').disabled = matched === 0;
    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
    $('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 p = card.dataset.preset;
      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' },
      };
      if (presets[p]) {
        $('conform-codec').value      = presets[p].codec;
        $('conform-quality').value    = presets[p].quality;
        $('conform-resolution').value = presets[p].resolution;
        $('conform-audio').value      = presets[p].audio;
      }
    });

    $('conform-start-btn').addEventListener('click', async () => {
      // Need a target project — use first available or prompt user
      const projectId = $('export-proj-select').value;
      if (!projectId) {
        UI.toast('Select a project via Export Timeline first', 'error'); return;
      }
      UI.closeSlide('conform-overlay', 'conform-panel');
      UI.showProgress('Starting conform job…', 20);
      try {
        const jobId = await Timeline.startConform(projectId, _timelineCache.sequenceName, _timelineCache, {
          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 + '%)…', 20 + pct * 0.78),
          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');
      }
    });
  }

  // ── Batch Relink panel ────────────────────────────────────────────
  let _relinkClips = [];

  async function openRelinkPanel() {
    UI.showProgress('Reading Premiere sequence…', 20);
    try {
      _timelineCache = await Timeline.readActiveSequence();
    } catch (e) {
      UI.hideProgress(); UI.toast('Timeline read failed: ' + e.message, 'error'); return;
    }
    UI.hideProgress();

    const resolved = Library.resolveClipsToAssets(_timelineCache.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() {
    const anyChecked = !!document.querySelector('#clip-list input[type="checkbox"]:checked');
    $('relink-start-btn').disabled = !anyChecked;
  }

  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 checkboxes = document.querySelectorAll('#clip-list input[type="checkbox"]:checked');
      const indices = [];
      checkboxes.forEach(cb => indices.push(parseInt(cb.id.replace('rclip-', ''), 10)));
      const selected = indices.map(i => _relinkClips[i]).filter(c => c && c.asset_id);
      if (!selected.length) return;

      UI.closeSlide('relink-overlay', 'relink-panel');
      UI.showProgress('Starting batch relink…', 5);
      try {
        const results = await Timeline.batchRelink(selected);
        UI.hideProgress();
        const msg = results.succeeded + ' clip(s) relinked' +
          (results.failed ? ', ' + results.failed + ' failed' : '');
        UI.toast(msg, results.failed ? 'error' : 'ok');

        // Show summary in panel
        $('relink-summary').textContent = msg;
        $('relink-summary').classList.remove('hidden');
      } catch (e) {
        UI.hideProgress();
        UI.toast('Batch relink failed: ' + e.message, 'error');
      }
    });
  }

  // ── Init ──────────────────────────────────────────────────────────
  function init() {
    wireConnectPane();
    wireLibraryPane();
    wireExportPanel();
    wireConformPanel();
    wireRelinkPanel();

    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();

})();