<?php
/**
 * Module Registry
 * 
 * Central registry for managing WooNooW modules (features).
 * Allows enabling/disabling modules to improve performance and reduce clutter.
 * 
 * @package WooNooW\Core
 */

namespace WooNooW\Core;

class ModuleRegistry {
    
    /**
     * Get all registered modules
     * 
     * @return array
     */
    public static function get_all_modules() {
        $modules = [
            'newsletter' => [
                'id' => 'newsletter',
                'label' => __('Newsletter & Campaigns', 'woonoow'),
                'description' => __('Email newsletter subscription and campaign management', 'woonoow'),
                'category' => 'marketing',
                'icon' => 'mail',
                'default_enabled' => true,
                'features' => [
                    __('Subscriber management', 'woonoow'),
                    __('Email campaigns', 'woonoow'),
                    __('Campaign scheduling', 'woonoow'),
                ],
            ],
            'wishlist' => [
                'id' => 'wishlist',
                'label' => __('Customer Wishlist', 'woonoow'),
                'description' => __('Allow customers to save products for later', 'woonoow'),
                'category' => 'customers',
                'icon' => 'heart',
                'default_enabled' => true,
                'features' => [
                    __('Save products to wishlist', 'woonoow'),
                    __('Wishlist page', 'woonoow'),
                    __('Share wishlist', 'woonoow'),
                ],
            ],
            'affiliate' => [
                'id' => 'affiliate',
                'label' => __('Affiliate Program', 'woonoow'),
                'description' => __('Referral tracking and commission management', 'woonoow'),
                'category' => 'marketing',
                'icon' => 'users',
                'default_enabled' => false,
                'features' => [
                    __('Referral tracking', 'woonoow'),
                    __('Commission management', 'woonoow'),
                    __('Affiliate dashboard', 'woonoow'),
                    __('Payout system', 'woonoow'),
                ],
            ],
            'subscription' => [
                'id' => 'subscription',
                'label' => __('Product Subscriptions', 'woonoow'),
                'description' => __('Recurring product subscriptions with flexible billing', 'woonoow'),
                'category' => 'products',
                'icon' => 'refresh-cw',
                'default_enabled' => false,
                'features' => [
                    __('Recurring billing', 'woonoow'),
                    __('Subscription management', 'woonoow'),
                    __('Automatic renewals', 'woonoow'),
                    __('Trial periods', 'woonoow'),
                ],
            ],
            'licensing' => [
                'id' => 'licensing',
                'label' => __('Software Licensing', 'woonoow'),
                'description' => __('License key generation and validation for digital products', 'woonoow'),
                'category' => 'products',
                'icon' => 'key',
                'default_enabled' => false,
                'features' => [
                    __('License key generation', 'woonoow'),
                    __('Activation management', 'woonoow'),
                    __('Validation API', 'woonoow'),
                    __('Expiry management', 'woonoow'),
                ],
            ],
        ];
        
        return apply_filters('woonoow/modules/registry', $modules);
    }
    
    /**
     * Get enabled modules
     * 
     * @return array
     */
    public static function get_enabled_modules() {
        $enabled = get_option('woonoow_enabled_modules', null);
        
        // First time - use defaults
        if ($enabled === null) {
            $modules = self::get_all_modules();
            $enabled = [];
            foreach ($modules as $module) {
                if ($module['default_enabled']) {
                    $enabled[] = $module['id'];
                }
            }
            update_option('woonoow_enabled_modules', $enabled);
        }
        
        return $enabled;
    }
    
    /**
     * Check if a module is enabled
     * 
     * @param string $module_id
     * @return bool
     */
    public static function is_enabled($module_id) {
        $enabled = self::get_enabled_modules();
        return in_array($module_id, $enabled);
    }
    
    /**
     * Enable a module
     * 
     * @param string $module_id
     * @return bool
     */
    public static function enable($module_id) {
        $modules = self::get_all_modules();
        
        if (!isset($modules[$module_id])) {
            return false;
        }
        
        $enabled = self::get_enabled_modules();
        
        if (!in_array($module_id, $enabled)) {
            $enabled[] = $module_id;
            update_option('woonoow_enabled_modules', $enabled);
            
            // Clear navigation cache when module is toggled
            if (class_exists('\WooNooW\Compat\NavigationRegistry')) {
                \WooNooW\Compat\NavigationRegistry::flush();
            }
            
            do_action('woonoow/module/enabled', $module_id);
            
            return true;
        }
        
        return false;
    }
    
    /**
     * Disable a module
     * 
     * @param string $module_id
     * @return bool
     */
    public static function disable($module_id) {
        $enabled = self::get_enabled_modules();
        
        if (in_array($module_id, $enabled)) {
            $enabled = array_diff($enabled, [$module_id]);
            update_option('woonoow_enabled_modules', array_values($enabled));
            
            // Clear navigation cache when module is toggled
            if (class_exists('\WooNooW\Compat\NavigationRegistry')) {
                \WooNooW\Compat\NavigationRegistry::flush();
            }
            
            do_action('woonoow/module/disabled', $module_id);
            
            return true;
        }
        
        return false;
    }
    
    /**
     * Get modules by category
     * 
     * @param string $category
     * @return array
     */
    public static function get_by_category($category) {
        $modules = self::get_all_modules();
        $enabled = self::get_enabled_modules();
        
        $result = [];
        foreach ($modules as $module) {
            if ($module['category'] === $category) {
                $module['enabled'] = in_array($module['id'], $enabled);
                $result[] = $module;
            }
        }
        
        return $result;
    }
    
    /**
     * Get all modules with enabled status
     * 
     * @return array
     */
    public static function get_all_with_status() {
        $modules = self::get_all_modules();
        $enabled = self::get_enabled_modules();
        
        foreach ($modules as $id => $module) {
            $modules[$id]['enabled'] = in_array($id, $enabled);
        }
        
        return $modules;
    }
}