@php
$menu = [

    [
        'title' => 'Dashboard',
        'icon' => 'icon-Layout-4-blocks',
        'route' => 'examination.dashboard',
        'type' => 'single',
    ],
    
    [
        'title' => 'Examination Setup',
        'icon' => 'fa fa-database',
        'type' => 'tree',
        'permission' => 'examination-setup',        
        'children' => [
            ['route' => 'session', 'label' => 'Examination Session'],
            ['route' => 'building', 'label' => 'Examination building'],
            ['route' => 'room-list', 'label' => 'Examination room'],
            ['route' => 'room-block', 'label' => 'Examination Room Block'], 
            ['route' => 'invigilator', 'label' => 'Invigilator'],
        ]
    ], 
    
    [
        'title' => 'Examination Planning',
        'icon' => 'fa fa-calendar-check-o',
        'type' => 'tree',
        'permission' => 'examination-planning',        
        'children' => [
            ['route' => 'schedule', 'label' => 'Examination Schedule'],
            ['route' => 'program-pool', 'label' => 'Program Pool'],
            ['route' => 'room-strategy', 'label' => 'Examination room Strategy'],
        ]
    ],     
    
    [
        'title' => 'Examination Operations',
        'icon' => 'icon-Layout-grid',
        'type' => 'tree',
        'permission' => 'examination-operations',        
        'children' => [
            ['route' => 'seating-allocation', 'label' => 'Seating Allocation'],
            ['route' => '#', 'label' => 'Invigilator Assignment'],
            ['route' => '#', 'label' => 'Seating Plan Report'],
            ['route' => '#', 'label' => 'Room-wise Attendance'],
        ]
    ],        
  
];
@endphp


<aside class="main-sidebar">
  <section class="sidebar position-relative">
    <div class="multinav">
      <div class="multinav-scroll" style="height: 100%;">

        <ul class="sidebar-menu" data-widget="tree">

          <li class="header">Dashboard & Apps</li>

          @foreach($menu as $item)

            {{-- Parent Permission --}}
            @if(isset($item['permission']) && !auth()->user()->can($item['permission']))
              @continue
            @endif


            {{-- SINGLE MENU --}}
            @if($item['type'] === 'single')
              <li class="{{ request()->routeIs($item['route']) ? 'active' : '' }}">
                <a href="{{ Route::has($item['route']) ? route($item['route']) : '#' }}">
                  <i class="{{ $item['icon'] }}">
                    <span class="path1"></span><span class="path2"></span>
                  </i>
                  <span>{{ $item['title'] }}</span>
                </a>
              </li>
            @endif


            {{-- TREE MENU --}}
            @if($item['type'] === 'tree')

              @php
                $children = collect($item['children'])
                    ->filter(fn($child) =>
                        !isset($child['permission']) || auth()->user()->can($child['permission'])
                    );

                // ✅ NEW ACTIVE LOGIC
                $isOpen = isset($item['active'])
                    ? collect($item['active'])->contains(fn($r) => request()->routeIs($r))
                    : collect($children->pluck('route'))->contains(fn($r) => request()->routeIs($r));
              @endphp


              @if($children->isNotEmpty())
              <li class="treeview {{ $isOpen ? 'active menu-open' : '' }}">

                <a href="#">
                  <i class="{{ $item['icon'] }}">
                    <span class="path1"></span><span class="path2"></span>
                  </i>
                  <span>{{ $item['title'] }}</span>
                  <span class="pull-right-container">
                    <i class="fa fa-angle-right pull-right"></i>
                  </span>
                </a>

                <ul class="treeview-menu">

                  @foreach($children as $child)
                    <li class="{{ request()->routeIs($child['route'].'*') ? 'active' : '' }}">
                      <a href="{{ Route::has($child['route']) ? route($child['route']) : '#' }}">
                        <i class="icon-Commit">
                          <span class="path1"></span><span class="path2"></span>
                        </i>
                        {{ $child['label'] }}
                      </a>
                    </li>
                  @endforeach

                </ul>
              </li>
              @endif

            @endif

          @endforeach

        </ul>

      </div>
    </div>
  </section>
</aside>