{% extends "base.html" %}

{% block title %}Mindmap{% endblock %}

{% block extra_css %}
<style>
  /* Full page background */
  html, body {
    min-height: 100vh;
    width: 100%;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
  }

  /* Mindmap Container */
  #mindmap-container {
    position: relative;
    min-height: calc(100vh - 160px);
    z-index: 1;
  }
  
  /* Control Panel */
  .control-panel {
    position: fixed;
    top: 100px;
    left: 20px;
    z-index: 10;
    transition: all 0.3s ease;
    border-radius: 1rem;
    overflow: hidden;
    border: 1px solid;
  }
  
  .dark .control-panel {
    background-color: rgba(17, 24, 39, 0.8);
    border-color: rgba(109, 40, 217, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  }
  
  .control-panel {
    background-color: rgba(255, 255, 255, 0.85);
    border-color: rgba(139, 92, 246, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  }
  
  /* Control Panel Toggle */
  .panel-toggle {
    position: absolute;
    top: 8px;
    right: 8px;
    z-index: 2;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  
  .dark .panel-toggle {
    background-color: rgba(109, 40, 217, 0.2);
    color: rgba(255, 255, 255, 0.8);
  }
  
  .panel-toggle {
    background-color: rgba(139, 92, 246, 0.1);
    color: rgba(30, 41, 59, 0.8);
  }
  
  .panel-toggle:hover {
    transform: rotate(180deg);
  }
  
  /* Category Tree */
  .category-tree {
    max-height: 70vh;
    overflow-y: auto;
  }
  
  .category-item {
    transition: all 0.3s ease;
    border-left: 2px solid transparent;
    cursor: pointer;
  }
  
  .dark .category-item:hover {
    background-color: rgba(109, 40, 217, 0.1);
    border-left-color: rgba(139, 92, 246, 0.5);
  }
  
  .category-item:hover {
    background-color: rgba(139, 92, 246, 0.05);
    border-left-color: rgba(139, 92, 246, 0.5);
  }
  
  /* Node List */
  .node-list {
    max-height: 300px;
    overflow-y: auto;
  }
  
  .node-item {
    transition: all 0.3s ease;
    border-radius: 0.5rem;
    cursor: pointer;
  }
  
  .dark .node-item {
    background-color: rgba(31, 41, 55, 0.5);
    border: 1px solid rgba(55, 65, 81, 0.5);
  }
  
  .node-item {
    background-color: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(226, 232, 240, 0.5);
  }
  
  .dark .node-item:hover {
    background-color: rgba(55, 65, 81, 0.7);
    border-color: rgba(139, 92, 246, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  }
  
  .node-item:hover {
    background-color: rgba(255, 255, 255, 0.8);
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
  }
  
  /* Node Counter Badge */
  .node-counter {
    min-width: 20px;
    height: 20px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0 6px;
  }
  
  .dark .node-counter {
    background-color: rgba(109, 40, 217, 0.3);
    color: rgba(255, 255, 255, 0.9);
  }
  
  .node-counter {
    background-color: rgba(139, 92, 246, 0.1);
    color: rgba(109, 40, 217, 0.9);
  }
  
  /* Canvas area */
  #mindmap-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
  }
  
  /* Tooltip */
  .tooltip-container {
    position: absolute;
    pointer-events: none;
    z-index: 1000;
    max-width: 300px;
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  
  .dark .tooltip-container {
    background-color: rgba(17, 24, 39, 0.9);
    border: 1px solid rgba(109, 40, 217, 0.3);
    color: rgba(255, 255, 255, 0.9);
  }
  
  .tooltip-container {
    background-color: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(139, 92, 246, 0.2);
    color: rgba(30, 41, 59, 0.9);
  }
  
  /* Search input */
  .search-input {
    transition: all 0.3s ease;
    width: 100%;
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
    outline: none;
  }
  
  .dark .search-input {
    background-color: rgba(31, 41, 55, 0.7);
    border: 1px solid rgba(55, 65, 81, 0.5);
    color: rgba(255, 255, 255, 0.9);
  }
  
  .search-input {
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.8);
    color: rgba(30, 41, 59, 0.9);
  }
  
  .dark .search-input:focus {
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.2);
  }
  
  .search-input:focus {
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 0 0 2px rgba(139, 92, 246, 0.1);
  }
  
  /* Mode toggle */
  .mode-toggle {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
  }
  
  .dark .mode-toggle {
    background-color: rgba(31, 41, 55, 0.5);
    border: 1px solid rgba(55, 65, 81, 0.5);
    color: rgba(255, 255, 255, 0.9);
  }
  
  .mode-toggle {
    background-color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(226, 232, 240, 0.8);
    color: rgba(30, 41, 59, 0.9);
  }
  
  .dark .mode-toggle.active {
    background-color: rgba(109, 40, 217, 0.2);
    border-color: rgba(139, 92, 246, 0.4);
    color: rgba(255, 255, 255, 1);
  }
  
  .mode-toggle.active {
    background-color: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.3);
    color: rgba(109, 40, 217, 1);
  }
  
  /* User Mindmaps */
  .user-mindmap-section {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10;
    transition: all 0.3s ease;
    border-radius: 1rem;
    overflow: hidden;
    max-width: 350px;
  }
  
  .dark .user-mindmap-section {
    background-color: rgba(17, 24, 39, 0.85);
    border: 1px solid rgba(109, 40, 217, 0.3);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  }
  
  .user-mindmap-section {
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(139, 92, 246, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  }
  
  /* User Mindmap List */
  .user-mindmap-item {
    transition: all 0.3s ease;
    border-radius: 0.5rem;
    cursor: pointer;
  }
  
  .dark .user-mindmap-item {
    background-color: rgba(31, 41, 55, 0.5);
    border: 1px solid rgba(55, 65, 81, 0.5);
  }
  
  .user-mindmap-item {
    background-color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(226, 232, 240, 0.7);
  }
  
  .dark .user-mindmap-item:hover {
    background-color: rgba(55, 65, 81, 0.7);
    border-color: rgba(139, 92, 246, 0.4);
    transform: translateY(-2px);
  }
  
  .user-mindmap-item:hover {
    background-color: rgba(255, 255, 255, 0.9);
    border-color: rgba(139, 92, 246, 0.3);
    transform: translateY(-2px);
  }
  
  /* Zoom Controls */
  .zoom-controls {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 10;
    display: flex;
    gap: 0.5rem;
    border-radius: 2rem;
    padding: 0.5rem;
    transition: all 0.3s ease;
  }
  
  .dark .zoom-controls {
    background-color: rgba(17, 24, 39, 0.7);
    border: 1px solid rgba(55, 65, 81, 0.5);
  }
  
  .zoom-controls {
    background-color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(226, 232, 240, 0.7);
  }
  
  .zoom-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
  }
  
  .dark .zoom-btn {
    background-color: rgba(31, 41, 55, 0.7);
    color: rgba(255, 255, 255, 0.9);
  }
  
  .zoom-btn {
    background-color: rgba(255, 255, 255, 0.9);
    color: rgba(30, 41, 59, 0.9);
  }
  
  .dark .zoom-btn:hover {
    background-color: rgba(139, 92, 246, 0.3);
    color: rgba(255, 255, 255, 1);
  }
  
  .zoom-btn:hover {
    background-color: rgba(139, 92, 246, 0.1);
    color: rgba(109, 40, 217, 1);
  }
  
  /* Loading spinner */
  .spinner {
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 3px solid;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
  }
  
  .dark .spinner {
    border-top-color: rgba(139, 92, 246, 0.7);
  }
  
  .spinner {
    border-top-color: rgba(109, 40, 217, 0.7);
  }
  
  @keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
  }
</style>
{% endblock %}

{% block content %}
<!-- Mindmap Container -->
<div id="mindmap-container">
  <!-- Main Canvas -->
  <div id="mindmap-canvas"></div>
  
  <!-- Control Panel -->
  <div class="control-panel p-4 w-64" id="control-panel" x-data="{ isExpanded: true }">
    <div class="panel-toggle" @click="isExpanded = !isExpanded">
      <i class="fa-solid" :class="isExpanded ? 'fa-chevron-left' : 'fa-chevron-right'"></i>
    </div>
    
    <div x-show="isExpanded">
      <h2 class="text-xl font-semibold mb-4 text-gray-900 dark:text-white">Wissensbereiche</h2>
      
      <!-- Search Box -->
      <div class="mb-4">
        <input type="text" id="category-search" class="search-input" placeholder="Bereich suchen...">
      </div>
      
      <!-- Category Tree -->
      <div class="category-tree" id="category-tree">
        <div id="categories-container" class="space-y-1">
          <!-- Categories will be loaded dynamically -->
          <div class="py-3 text-center text-gray-500 dark:text-gray-400" id="loading-categories">
            <div class="spinner mx-auto mb-2"></div>
            <p>Kategorien werden geladen...</p>
          </div>
        </div>
      </div>
      
      <!-- View Mode Toggle -->
      <div class="mt-4">
        <h3 class="text-sm font-medium mb-2 text-gray-700 dark:text-gray-300">Ansicht</h3>
        <div class="flex justify-between gap-2">
          <button id="view-all" class="mode-toggle text-sm flex-1 active">
            <i class="fa-solid fa-diagram-project mr-1"></i> Alles
          </button>
          <button id="view-focused" class="mode-toggle text-sm flex-1">
            <i class="fa-solid fa-bullseye mr-1"></i> Fokus
          </button>
        </div>
      </div>
    </div>
  </div>
  
  <!-- User Mindmaps Section -->
  {% if current_user.is_authenticated %}
  <div class="user-mindmap-section p-4 w-64" x-data="{ isExpanded: true }">
    <div class="flex items-center justify-between mb-4">
      <h2 class="text-lg font-semibold text-gray-900 dark:text-white">Meine Mindmaps</h2>
      <button @click="isExpanded = !isExpanded" class="text-gray-500 dark:text-gray-400 hover:text-gray-700 dark:hover:text-gray-200">
        <i class="fa-solid" :class="isExpanded ? 'fa-chevron-down' : 'fa-chevron-up'"></i>
      </button>
    </div>
    
    <div x-show="isExpanded">
      <!-- User Mindmap List -->
      <div class="space-y-2 max-h-60 overflow-y-auto mb-3">
        <!-- Will be populated by JS -->
        <div id="user-mindmaps-list" class="space-y-2">
          <div class="py-3 text-center text-gray-500 dark:text-gray-400" id="loading-mindmaps">
            <div class="spinner mx-auto mb-2"></div>
            <p>Mindmaps werden geladen...</p>
          </div>
        </div>
      </div>
      
      <!-- Add New Mindmap Button -->
      <a href="{{ url_for('create_mindmap') }}" class="mystical-button mystical-button-primary w-full text-center text-sm">
        <i class="fa-solid fa-plus mr-1"></i> Neue Mindmap erstellen
      </a>
    </div>
  </div>
  {% endif %}
  
  <!-- Zoom Controls -->
  <div class="zoom-controls">
    <button id="zoom-in" class="zoom-btn">
      <i class="fa-solid fa-plus"></i>
    </button>
    <button id="zoom-out" class="zoom-btn">
      <i class="fa-solid fa-minus"></i>
    </button>
    <button id="reset-view" class="zoom-btn">
      <i class="fa-solid fa-home"></i>
    </button>
  </div>
  
  <!-- Node Tooltip -->
  <div id="node-tooltip" class="tooltip-container rounded-lg p-4 shadow-lg"></div>
</div>
{% endblock %}

{% block extra_js %}
<!-- D3.js for Mindmap Visualization -->
<script src="https://d3js.org/d3.v7.min.js"></script>

<!-- Custom D3 Extensions -->
<script src="{{ url_for('static', filename='d3-extensions.js') }}"></script>

<!-- Mindmap Visualisierungsmodul -->
<script src="{{ url_for('static', filename='js/modules/mindmap.js') }}"></script>

<script>
  // Initialize the public mindmap
  document.addEventListener('DOMContentLoaded', function() {
    console.log('Mindmap-Seite wird initialisiert...');
    
    // Prüfe, ob D3.js geladen ist
    if (typeof d3 === 'undefined') {
      console.error('D3.js Bibliothek ist nicht geladen!');
      document.getElementById('mindmap-container').innerHTML = 
        '<div class="glass-effect p-6 text-center">' +
        '<div class="text-red-500 mb-4">' +
        '<i class="fa-solid fa-triangle-exclamation text-4xl"></i>' +
        '</div>' +
        '<p class="text-xl">D3.js konnte nicht geladen werden. Bitte laden Sie die Seite neu.</p>' +
        '</div>';
      return;
    }
    
    // Prüfe, ob MindMapVisualization geladen ist
    if (typeof MindMapVisualization === 'undefined') {
      console.error('MindMapVisualization-Klasse ist nicht geladen!');
      document.getElementById('mindmap-container').innerHTML = 
        '<div class="glass-effect p-6 text-center">' +
        '<div class="text-red-500 mb-4">' +
        '<i class="fa-solid fa-triangle-exclamation text-4xl"></i>' +
        '</div>' +
        '<p class="text-xl">Die Mindmap-Visualisierung konnte nicht geladen werden. Bitte laden Sie die Seite neu.</p>' +
        '</div>';
      return;
    }
    
    // Set up for dark/light mode changes
    const isDarkMode = document.documentElement.classList.contains('dark');
    
    // Initialize the node tooltip
    const tooltip = document.getElementById('node-tooltip');
    
    try {
      console.log('Erstelle MindMapVisualization...');
      // Mindmap-Visualisierung initialisieren
      const mindmap = new MindMapVisualization('#mindmap-canvas', {
        height: document.getElementById('mindmap-container').clientHeight || 600,
        tooltipEnabled: true,
        onNodeClick: function(node) {
          console.log('Knoten geklickt:', node);
        }
      });
      
      // Speichere als globale Instanz für Zugriff über Buttons
      window.mindmapInstance = mindmap;
      
      // Lade die Mindmap-Daten
      mindmap.loadData();
      console.log('Mindmap-Visualisierung erfolgreich erstellt');
    
      // View mode toggle
      document.getElementById('view-all').addEventListener('click', function() {
        this.classList.add('active');
        document.getElementById('view-focused').classList.remove('active');
        if (window.mindmapInstance && window.mindmapInstance.setViewMode) {
          window.mindmapInstance.setViewMode('all');
        }
      });
      
      document.getElementById('view-focused').addEventListener('click', function() {
        this.classList.add('active');
        document.getElementById('view-all').classList.remove('active');
        if (window.mindmapInstance && window.mindmapInstance.setViewMode) {
          window.mindmapInstance.setViewMode('focus');
        }
      });
      
      // Zoom controls
      document.getElementById('zoom-in').addEventListener('click', function() {
        if (window.mindmapInstance) {
          const svg = d3.select('#mindmap-container svg');
          const currentZoom = d3.zoomTransform(svg.node());
          const newScale = currentZoom.k * 1.3;
          svg.transition().duration(300).call(
            d3.zoom().transform,
            d3.zoomIdentity.translate(currentZoom.x, currentZoom.y).scale(newScale)
          );
        }
      });
      
      document.getElementById('zoom-out').addEventListener('click', function() {
        if (window.mindmapInstance) {
          const svg = d3.select('#mindmap-container svg');
          const currentZoom = d3.zoomTransform(svg.node());
          const newScale = currentZoom.k / 1.3;
          svg.transition().duration(300).call(
            d3.zoom().transform,
            d3.zoomIdentity.translate(currentZoom.x, currentZoom.y).scale(newScale)
          );
        }
      });
      
      document.getElementById('reset-view').addEventListener('click', function() {
        if (window.mindmapInstance) {
          const svg = d3.select('#mindmap-container svg');
          svg.transition().duration(500).call(
            d3.zoom().transform,
            d3.zoomIdentity.scale(1)
          );
        }
      });
      
      // Handle dark mode toggle
      document.addEventListener('darkModeToggled', function(event) {
        const isDark = event.detail.isDark;
        if (window.mindmapInstance && window.mindmapInstance.updateTheme) {
          window.mindmapInstance.updateTheme(isDark);
        }
      });
      
      // Load categories
      loadCategories();
      
      // Search functionality
      const searchInput = document.getElementById('category-search');
      if (searchInput) {
        searchInput.addEventListener('input', function() {
          const searchTerm = this.value.toLowerCase();
          if (window.mindmapInstance && window.mindmapInstance.filterBySearchTerm) {
            window.mindmapInstance.filterBySearchTerm(searchTerm);
          }
          
          // Filter categories in the sidebar
          filterCategoriesInSidebar(searchTerm);
        });
      }
    } catch (error) {
      console.error('Fehler bei der Initialisierung der Mindmap:', error);
      const errorContainer = document.getElementById('mindmap-container');
      errorContainer.innerHTML = '<div class="glass-effect p-6 text-center">' +
        '<div class="text-red-500 mb-4">' +
        '<i class="fa-solid fa-triangle-exclamation text-4xl"></i>' +
        '</div>' +
        '<p class="text-xl">Fehler bei der Initialisierung der Mindmap:</p>' +
        '<p class="text-md mt-2">' + (error.message || 'Unbekannter Fehler') + '</p>' +
        '</div>';
    }
  });
  
  // Kategorien laden
  function loadCategories() {
    const categoriesContainer = document.getElementById('categories-container');
    const loadingElement = document.getElementById('loading-categories');
    
    fetch('/api/categories')
      .then(response => {
        if (!response.ok) {
          throw new Error('Kategorien konnten nicht geladen werden');
        }
        return response.json();
      })
      .then(categories => {
        // Loading-Anzeige entfernen
        if (loadingElement) {
          loadingElement.remove();
        }
        
        // Kategorien rendern
        renderCategories(categories, categoriesContainer);
      })
      .catch(error => {
        console.error('Fehler beim Laden der Kategorien:', error);
        if (loadingElement) {
          loadingElement.innerHTML = `
            <div class="text-red-500 mb-2">
              <i class="fa-solid fa-exclamation-circle"></i>
            </div>
            <p>Fehler beim Laden der Kategorien</p>
          `;
        }
      });
  }
  
  // Kategorien rekursiv rendern
  function renderCategories(categories, container, level = 0) {
    categories.forEach(category => {
      const categoryElement = document.createElement('div');
      categoryElement.className = 'category-item pl-4 py-2 hover:bg-gray-100 dark:hover:bg-gray-700';
      categoryElement.setAttribute('data-category-id', category.id);
      categoryElement.style.marginLeft = level > 0 ? `${level * 12}px` : '0';
      
      const hasChildren = category.children && category.children.length > 0;
      const hasNodes = category.nodes && category.nodes.length > 0;
      
      categoryElement.innerHTML = `
        <div class="flex items-center justify-between">
          <div class="flex items-center">
            <i class="fa-solid fa-chevron-right mr-2 text-sm transition-transform ${hasChildren ? '' : 'opacity-0'}"></i>
            <span>
              <i class="fa-solid ${category.icon || 'fa-folder'} mr-2"></i>
              ${category.name}
            </span>
          </div>
          <span class="node-counter">${hasNodes ? category.nodes.length : 0}</span>
        </div>
      `;
      
      container.appendChild(categoryElement);
      
      // Bereich für Knoten und Unterkategorien erstellen
      const expandableArea = document.createElement('div');
      expandableArea.className = 'hidden mt-2';
      expandableArea.setAttribute('data-category-expand', category.id);
      container.appendChild(expandableArea);
      
      // Knoten für diese Kategorie anzeigen
      if (hasNodes) {
        const nodesContainer = document.createElement('div');
        nodesContainer.className = 'node-list pl-4';
        
        category.nodes.forEach(node => {
          const nodeItem = document.createElement('div');
          nodeItem.className = 'node-item p-2 mb-2';
          nodeItem.style.borderLeft = `3px solid ${node.color_code || '#9F7AEA'}`;
          nodeItem.setAttribute('data-node-id', node.id);
          
          nodeItem.innerHTML = `
            <div class="flex items-center justify-between">
              <div>${node.name}</div>
              <span class="node-counter">${node.thought_count || 0}</span>
            </div>
          `;
          
          nodeItem.addEventListener('click', function(e) {
            e.stopPropagation();
            if (window.mindmapInstance && window.mindmapInstance.focusNode) {
              window.mindmapInstance.focusNode(node.id);
            }
          });
          
          nodesContainer.appendChild(nodeItem);
        });
        
        expandableArea.appendChild(nodesContainer);
      }
      
      // Unterkategorien rekursiv rendern
      if (hasChildren) {
        const childrenContainer = document.createElement('div');
        childrenContainer.className = 'mt-2';
        expandableArea.appendChild(childrenContainer);
        
        renderCategories(category.children, childrenContainer, level + 1);
      }
      
      // Event-Listener für Aufklappen/Zuklappen
      categoryElement.addEventListener('click', function() {
        const expandArea = document.querySelector(`[data-category-expand="${category.id}"]`);
        const chevron = this.querySelector('.fa-chevron-right');
        
        if (expandArea) {
          if (expandArea.classList.contains('hidden')) {
            expandArea.classList.remove('hidden');
            if (chevron) chevron.style.transform = 'rotate(90deg)';
          } else {
            expandArea.classList.add('hidden');
            if (chevron) chevron.style.transform = 'rotate(0)';
          }
        }
      });
    });
  }
  
  // Categories filtering
  function filterCategoriesInSidebar(searchTerm) {
    if (!searchTerm) {
      // Show all categories
      document.querySelectorAll('.category-item').forEach(el => {
        el.style.display = '';
      });
      return;
    }
    
    // Hide/show categories based on search
    document.querySelectorAll('.category-item').forEach(el => {
      const categoryName = el.querySelector('span').textContent.trim().toLowerCase();
      if (categoryName.includes(searchTerm)) {
        el.style.display = '';
        
        // Show parent categories
        let parent = el.parentElement;
        while (parent && !parent.matches('#categories-container')) {
          if (parent.hasAttribute('data-category-expand')) {
            parent.classList.remove('hidden');
            const parentId = parent.getAttribute('data-category-expand');
            const parentCategory = document.querySelector(`[data-category-id="${parentId}"]`);
            if (parentCategory) {
              const chevron = parentCategory.querySelector('.fa-chevron-right');
              if (chevron) chevron.style.transform = 'rotate(90deg)';
            }
          }
          parent = parent.parentElement;
        }
      } else {
        el.style.display = 'none';
      }
    });
  }
</script>

{% if current_user.is_authenticated %}
<!-- Script für eingeloggte Benutzer -->
<script>
  document.addEventListener('DOMContentLoaded', function() {
    // Load user mindmaps
    const mindmapsList = document.getElementById('user-mindmaps-list');
    const loadingMindmaps = document.getElementById('loading-mindmaps');
    
    fetch('/api/mindmap/user')
      .then(response => {
        if (!response.ok) {
          throw new Error('Benutzer-Mindmaps konnten nicht geladen werden');
        }
        return response.json();
      })
      .then(data => {
        if (!mindmapsList) return;
        
        // Loading-Anzeige entfernen
        if (loadingMindmaps) {
          loadingMindmaps.remove();
        }
        
        if (data.length === 0) {
          mindmapsList.innerHTML = '<div class="text-center text-gray-500 dark:text-gray-400 py-2">Keine Mindmaps gefunden</div>';
          return;
        }
        
        // Mindmaps anzeigen
        data.forEach(mindmap => {
          const item = document.createElement('div');
          item.className = 'user-mindmap-item p-3';
          item.innerHTML = `
            <div class="font-medium text-gray-800 dark:text-gray-200">${mindmap.name}</div>
            <div class="text-xs text-gray-500 dark:text-gray-400 mb-2">${mindmap.description || ''}</div>
            <a href="/my-mindmap/${mindmap.id}" class="text-purple-600 dark:text-purple-400 text-xs hover:underline">
              <i class="fa-solid fa-arrow-right mr-1"></i> Öffnen
            </a>
          `;
          mindmapsList.appendChild(item);
        });
      })
      .catch(error => {
        console.error('Fehler beim Laden der Benutzer-Mindmaps:', error);
        if (loadingMindmaps) {
          loadingMindmaps.innerHTML = `
            <div class="text-red-500 mb-2">
              <i class="fa-solid fa-exclamation-circle"></i>
            </div>
            <p>Fehler beim Laden der Mindmaps</p>
          `;
        }
      });
  });
</script>
{% endif %}
{% endblock %}