/**
 * Services search module for homelab services
 * Extends the base search functionality with service-specific features
 */

import { initializeBaseSearch } from './baseSearch.js';

/**
 * Initialize search functionality for homelab services
 * @returns {Object} Alpine.js data object with search functionality
 */
export function initializeServicesSearch() {
  // Create base search with service-specific configuration
  const baseSearch = initializeBaseSearch('.app-card', {
    nameAttribute: 'data-app-name',
    tagsAttribute: 'data-app-tags',
    categoryAttribute: 'data-app-category',
    noResultsMessage: 'No services found',
    allItemsMessage: 'Showing all services',
    resultCountMessage: (count) => `Found ${count} services`,
    itemLabel: 'services'
  });
  
  // Extend with service-specific functionality
  return {
    ...baseSearch,
    
    // View mode properties
    iconSizeValue: 2, // Slider value: 1=small, 2=medium, 3=large
    iconSize: 'medium', // small, medium, large
    viewMode: 'grid', // grid or list
    displayMode: 'both', // both, image, or name
    debounceTimeout: null, // For debouncing slider changes
    
    init() {
      // Call the base init method
      baseSearch.init.call(this);
      
      // Apply initial icon size, view mode, and display mode
      this.applyIconSize();
      this.applyViewMode();
      this.applyDisplayMode();
      
      // Save preferences to localStorage if available
      this.loadPreferences();
      
      // Listen for window resize events to optimize layout
      this.setupResizeListener();
    },
    
    // Load user preferences from localStorage
    loadPreferences() {
      if (typeof localStorage !== 'undefined') {
        try {
          // Load icon size
          const savedIconSize = localStorage.getItem('services-icon-size');
          if (savedIconSize) {
            this.setIconSize(parseFloat(savedIconSize));
          }
          
          // Load view mode
          const savedViewMode = localStorage.getItem('services-view-mode');
          if (savedViewMode) {
            this.setViewMode(savedViewMode);
          }
          
          // Load display mode
          const savedDisplayMode = localStorage.getItem('services-display-mode');
          if (savedDisplayMode) {
            this.setDisplayMode(savedDisplayMode);
          }
        } catch (e) {
          console.error('Error loading preferences:', e);
        }
      }
    },
    
    // Save user preferences to localStorage
    savePreferences() {
      if (typeof localStorage !== 'undefined') {
        try {
          localStorage.setItem('services-icon-size', this.iconSizeValue.toString());
          localStorage.setItem('services-view-mode', this.viewMode);
          localStorage.setItem('services-display-mode', this.displayMode);
        } catch (e) {
          console.error('Error saving preferences:', e);
        }
      }
    },
    
    // Setup listener for window resize events
    setupResizeListener() {
      const handleResize = () => {
        // Switch to list view on small screens if not explicitly set by user
        const userHasSetViewMode = localStorage.getItem('services-view-mode') !== null;
        
        if (!userHasSetViewMode) {
          const smallScreen = window.innerWidth < 640; // sm breakpoint
          
          if (smallScreen && this.viewMode !== 'list') {
            this.setViewMode('list', false); // Don't save to preferences
          } else if (!smallScreen && this.viewMode !== 'grid') {
            this.setViewMode('grid', false); // Don't save to preferences
          }
        }
      };
      
      // Initial check
      handleResize();
      
      // Add resize listener with debounce
      let resizeTimeout;
      window.addEventListener('resize', () => {
        clearTimeout(resizeTimeout);
        resizeTimeout = setTimeout(handleResize, 250);
      });
    },
    
    // Icon size methods
    setIconSize(size, savePreference = true) {
      if (typeof size === 'string') {
        // Handle legacy string values (small, medium, large)
        this.iconSize = size;
        this.iconSizeValue = size === 'small' ? 1 : size === 'medium' ? 2 : 3;
      } else {
        // Handle slider numeric values
        this.iconSizeValue = parseFloat(size);
        
        // Map slider value to size name
        if (this.iconSizeValue <= 1.33) {
          this.iconSize = 'small';
        } else if (this.iconSizeValue <= 2.33) {
          this.iconSize = 'medium';
        } else {
          this.iconSize = 'large';
        }
      }
      
      this.applyIconSize();
      
      // Save preference if requested
      if (savePreference) {
        this.savePreferences();
      }
    },
    
    // Handle slider input with debounce
    handleSliderChange(event) {
      const value = event.target.value;
      
      // Clear any existing timeout
      if (this.debounceTimeout) {
        clearTimeout(this.debounceTimeout);
      }
      
      // Set a new timeout
      this.debounceTimeout = setTimeout(() => {
        this.setIconSize(value);
      }, 50); // 50ms debounce
    },
    
    applyIconSize() {
      const appList = document.getElementById('app-list');
      if (!appList) return;
      
      // Remove existing size classes
      appList.classList.remove('icon-size-small', 'icon-size-medium', 'icon-size-large');
      
      // Add the new size class
      appList.classList.add(`icon-size-${this.iconSize}`);
      
      // Apply custom CSS variable for fine-grained control
      appList.style.setProperty('--icon-scale', this.iconSizeValue);
    },
    
    // View mode methods
    toggleViewMode() {
      this.viewMode = this.viewMode === 'grid' ? 'list' : 'grid';
      this.applyViewMode();
      this.savePreferences();
    },
    
    setViewMode(mode, savePreference = true) {
      this.viewMode = mode;
      this.applyViewMode();
      
      // Save preference if requested
      if (savePreference) {
        this.savePreferences();
      }
    },
    
    applyViewMode() {
      const appList = document.getElementById('app-list');
      if (!appList) return;
      
      // Remove existing view mode classes
      appList.classList.remove('view-mode-grid', 'view-mode-list');
      
      // Add the new view mode class
      appList.classList.add(`view-mode-${this.viewMode}`);
      
      // Update all category sections
      document.querySelectorAll('.category-section').forEach(section => {
        const gridContainer = section.querySelector('.grid');
        if (gridContainer) {
          // Update grid classes based on view mode
          if (this.viewMode === 'grid') {
            gridContainer.classList.remove('grid-cols-1');
            gridContainer.classList.add('grid-cols-2', 'sm:grid-cols-3', 'lg:grid-cols-4');
          } else {
            gridContainer.classList.remove('grid-cols-2', 'sm:grid-cols-3', 'lg:grid-cols-4');
            gridContainer.classList.add('grid-cols-1');
          }
        }
      });
    },
    
    // Display mode methods
    setDisplayMode(mode) {
      this.displayMode = mode;
      this.applyDisplayMode();
      this.savePreferences();
    },
    
    applyDisplayMode() {
      const appList = document.getElementById('app-list');
      if (!appList) return;
      
      // Remove existing display mode classes
      appList.classList.remove('display-both', 'display-image-only', 'display-name-only');
      
      // Add the new display mode class
      if (this.displayMode === 'image') {
        appList.classList.add('display-image-only');
      } else if (this.displayMode === 'name') {
        appList.classList.add('display-name-only');
      } else {
        appList.classList.add('display-both');
      }
    }
  };
}