<?php
/**
 * WP ALLSTARS Admin Colors Feature
 *
 * Handles setting the admin color scheme based on user preferences
 *
 * @package WP_ALLSTARS
 * @since 0.2.3
 */

if (!defined('ABSPATH')) {
    exit; // Exit if accessed directly
}

/**
 * Admin Colors Handler Class
 */
class WP_Allstars_Admin_Colors {
    
    /**
     * Option name for the admin color scheme setting
     *
     * @var string
     */
    private $option_name = 'wp_allstars_simple_setting';
    
    /**
     * Modern color scheme key
     *
     * @var string
     */
    private $modern_scheme = 'modern';
    
    /**
     * Default color scheme key
     *
     * @var string
     */
    private $default_scheme = 'fresh';
    
    /**
     * Initialize the class and set up hooks
     */
    public function __construct() {
        // Set up hooks
        add_action('admin_init', array($this, 'set_admin_color_scheme'));
        add_action('wp_ajax_wp_allstars_update_option', array($this, 'handle_color_scheme_update'), 5);
    }
    
    /**
     * Set the admin color scheme based on the setting value
     */
    public function set_admin_color_scheme() {
        // Get current user
        $user_id = get_current_user_id();
        if (!$user_id) {
            return;
        }
        
        // Check if our setting is enabled
        $modern_colors_enabled = get_option($this->option_name, false);
        
        // Get the scheme to set
        $scheme = $modern_colors_enabled ? $this->modern_scheme : $this->default_scheme;
        
        // Update user meta to set the color scheme
        update_user_meta($user_id, 'admin_color', $scheme);
    }
    
    /**
     * Handle color scheme update via AJAX
     * Runs early to apply the color scheme change before the general option update handler
     */
    public function handle_color_scheme_update() {
        // Check for required params
        if (!isset($_POST['option']) || !isset($_POST['value'])) {
            return;
        }
        
        // Only process our specific option
        if ($_POST['option'] !== $this->option_name) {
            return;
        }
        
        // Get the current user ID
        $user_id = get_current_user_id();
        if (!$user_id) {
            return;
        }
        
        // Determine which scheme to set based on the value
        $value = (bool) $_POST['value'];
        $scheme = $value ? $this->modern_scheme : $this->default_scheme;
        
        // Update the user's color scheme
        update_user_meta($user_id, 'admin_color', $scheme);
    }
}