TtxPageAdmin/lib/studio_app_shell.dart

part of 'studio_app.dart';

class StudioShell extends StatefulWidget {
  const StudioShell({
    super.key,
    required this.runtime,
    required this.languageCode,
    required this.themeMode,
    required this.onToggleTheme,
    required this.onLogout,
  });

  final StudioRuntime runtime;
  final String languageCode;
  final ThemeMode themeMode;
  final VoidCallback onToggleTheme;
  final VoidCallback onLogout;

  @override
  State<StudioShell> createState() => _StudioShellState();
}

class _StudioShellState extends State<StudioShell> {
  final List<StudioActivity> _activities = <StudioActivity>[];
  final List<StudioTab> _tabs = <StudioTab>[StudioTab.dashboard()];
  String _searchQuery = '';
  String _selectedTabId = StudioTab.dashboardId;
  int _refreshRevision = 0;

  StudioUser get user => widget.runtime.user;

  @override
  void initState() {
    super.initState();
    _activities.add(
      StudioActivity(
        title: '登录成功',
        detail: '${user.displayName} / ${user.workspace}',
      ),
    );
  }

  StudioTab get _selectedTab =>
      _tabs.firstWhere((tab) => tab.id == _selectedTabId);

  void _log(String title, String detail) {
    setState(() {
      _activities.insert(0, StudioActivity(title: title, detail: detail));
      if (_activities.length > 24) {
        _activities.removeLast();
      }
    });
  }

  void _openNode(StudioNavNode node) {
    final existingIndex = _tabs.indexWhere((tab) => tab.id == node.id);
    setState(() {
      if (existingIndex == -1) {
        _tabs.add(
          StudioTab(
            id: node.id,
            title: node.title,
            summary: node.summary,
            pageType: node.pageType,
            icon: node.icon,
          ),
        );
      }
      _selectedTabId = node.id;
    });
    _log('打开页面', node.title);
  }

  void _selectTab(String tabId) {
    setState(() {
      _selectedTabId = tabId;
    });
  }

  void _closeTab(String tabId) {
    if (tabId == StudioTab.dashboardId) {
      return;
    }
    setState(() {
      _tabs.removeWhere((tab) => tab.id == tabId);
      if (_selectedTabId == tabId) {
        _selectedTabId = _tabs.isNotEmpty
            ? _tabs.last.id
            : StudioTab.dashboardId;
      }
    });
    _log('关闭页面', tabId);
  }

  void _refreshPage() {
    setState(() {
      _refreshRevision += 1;
    });
    _log('刷新页面', _selectedTab.title);
    ScaffoldMessenger.of(
      context,
    ).showSnackBar(SnackBar(content: Text('已刷新 ${_selectedTab.title}')));
  }

  void _handlePageAction(String title, String detail) {
    _log(title, detail);
    ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(detail)));
  }

  List<StudioNavNode> _allLeaves(List<StudioNavNode> nodes) {
    final result = <StudioNavNode>[];
    for (final node in nodes) {
      if (node.children.isEmpty) {
        result.add(node);
      } else {
        result.addAll(_allLeaves(node.children));
      }
    }
    return result;
  }

  @override
  Widget build(BuildContext context) {
    final wide = MediaQuery.of(context).size.width >= 1080;
    final visibleRoots = _filterNavNodes(
      studioNavTree,
      widget.runtime.allowedMenuIds,
    );
    final leaves = _allLeaves(visibleRoots);
    final filteredLeaves = _searchQuery.trim().isEmpty
        ? leaves
        : leaves
              .where(
                (node) =>
                    node.title.contains(_searchQuery) ||
                    node.summary.contains(_searchQuery),
              )
              .toList();

    return Scaffold(
      appBar: wide
          ? null
          : AppBar(
              title: const Text('TTX Studio'),
              actions: [
                IconButton(
                  tooltip: widget.themeMode == ThemeMode.dark
                      ? '切换亮色主题'
                      : '切换暗色主题',
                  onPressed: widget.onToggleTheme,
                  icon: Icon(
                    widget.themeMode == ThemeMode.dark
                        ? Icons.light_mode_rounded
                        : Icons.dark_mode_rounded,
                  ),
                ),
                IconButton(
                  tooltip: '刷新',
                  onPressed: _refreshPage,
                  icon: const Icon(Icons.refresh_rounded),
                ),
                IconButton(
                  tooltip: '退出登录',
                  onPressed: widget.onLogout,
                  icon: const Icon(Icons.logout_rounded),
                ),
              ],
            ),
      drawer: wide
          ? null
          : Drawer(
              child: SafeArea(
                child: StudioSidebar(
                  user: user,
                  themeMode: widget.themeMode,
                  onToggleTheme: widget.onToggleTheme,
                  searchQuery: _searchQuery,
                  filteredLeaves: filteredLeaves,
                  rootNodes: visibleRoots,
                  onSearchChanged: (value) {
                    setState(() {
                      _searchQuery = value;
                    });
                  },
                  onOpenNode: (node) {
                    Navigator.of(context).pop();
                    _openNode(node);
                  },
                  onLogout: widget.onLogout,
                ),
              ),
            ),
      body: Container(
        decoration: BoxDecoration(
          gradient: LinearGradient(
            colors: _shellGradientColors(context),
            begin: Alignment.topCenter,
            end: Alignment.bottomCenter,
          ),
        ),
        child: SafeArea(
          child: wide
              ? Row(
                  children: [
                    SizedBox(
                      width: 336,
                      child: StudioSidebar(
                        user: user,
                        themeMode: widget.themeMode,
                        onToggleTheme: widget.onToggleTheme,
                        searchQuery: _searchQuery,
                        filteredLeaves: filteredLeaves,
                        rootNodes: visibleRoots,
                        onSearchChanged: (value) {
                          setState(() {
                            _searchQuery = value;
                          });
                        },
                        onOpenNode: _openNode,
                        onLogout: widget.onLogout,
                      ),
                    ),
                    Expanded(
                      child: StudioWorkspaceView(
                        runtime: widget.runtime,
                        user: user,
                        selectedTab: _selectedTab,
                        tabs: List<StudioTab>.unmodifiable(_tabs),
                        activities: List<StudioActivity>.unmodifiable(
                          _activities,
                        ),
                        rootNodes: visibleRoots,
                        refreshToken: _refreshRevision,
                        onSelectTab: _selectTab,
                        onCloseTab: _closeTab,
                        onRefresh: _refreshPage,
                        onLogout: widget.onLogout,
                        themeMode: widget.themeMode,
                        onToggleTheme: widget.onToggleTheme,
                        onPageAction: _handlePageAction,
                        onOpenNode: _openNode,
                      ),
                    ),
                  ],
                )
              : StudioWorkspaceView(
                  runtime: widget.runtime,
                  user: user,
                  selectedTab: _selectedTab,
                  tabs: List<StudioTab>.unmodifiable(_tabs),
                  activities: List<StudioActivity>.unmodifiable(_activities),
                  rootNodes: visibleRoots,
                  refreshToken: _refreshRevision,
                  onSelectTab: _selectTab,
                  onCloseTab: _closeTab,
                  onRefresh: _refreshPage,
                  onLogout: widget.onLogout,
                  themeMode: widget.themeMode,
                  onToggleTheme: widget.onToggleTheme,
                  onPageAction: _handlePageAction,
                  onOpenNode: _openNode,
                ),
        ),
      ),
    );
  }
}