<?php

/**
 * Plugin Name: Ivory Search
 * Plugin URI:  https://ivorysearch.com
 * Description: The WordPress Search plugin that includes Search Form Customizer, WooCommerce Search, Image Search, Search Shortcode, AJAX Search & Live Search support!
 * Version:     4.8.1
 * Author:      Ivory Search
 * Author URI:  https://ivorysearch.com/
 * License:     GPL2+
 * License URI: https://www.gnu.org/licenses/gpl-2.0.txt
 * Domain Path: /languages/
 * Text Domain: add-search-to-menu
 *
 * 
 * WC tested up to: 5.8
 *
 * Ivory Search is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * any later version.
 *
 * Ivory Search is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Ivory Search. If not, see https://www.gnu.org/licenses/gpl-2.0.html.
 */
/**
 * Includes necessary dependencies and starts the plugin.
 *
 * @package IS
 */

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


if ( function_exists( 'is_fs' ) ) {
    is_fs()->set_basename( false, __FILE__ );
    return;
}

/**
 * Main Ivory Search Class.
 *
 * @class Ivory_Search
 */
final class Ivory_Search
{
    /**
     * Stores plugin options.
     */
    private static  $opt ;
    /**
     * Core singleton class
     * @var self
     */
    private static  $_instance ;
    /**
     * Ivory Search Constructor.
     */
    public function __construct()
    {
        Ivory_Search::$opt = self::load_options();
    }
    
    /**
     * Gets the instance of this class.
     *
     * @return self
     */
    public static function getInstance()
    {
        if ( !self::$_instance instanceof self ) {
            self::$_instance = new self();
        }
        return self::$_instance;
    }
    
    /**
     * Loads plugin options.
     *
     */
    public static function load_options()
    {
        
        if ( empty(Ivory_Search::$opt) ) {
            $temp = (array) get_option( 'ivory_search', array() );
            $is_menu_search = get_option( 'is_menu_search', array() );
            $temp2 = array_merge( $temp, (array) $is_menu_search );
            $is_settings = get_option( 'is_settings', array() );
            $temp3 = array_merge( $temp2, (array) $is_settings );
            $is_notices = get_option( 'is_notices', array() );
            Ivory_Search::$opt = array_merge( $temp3, (array) $is_notices );
            return Ivory_Search::$opt;
        } else {
            return Ivory_Search::$opt;
        }
    
    }
    
    /**
     * Defines Ivory Search Constants.
     */
    private function define_constants()
    {
        if ( !defined( 'IS_VERSION' ) ) {
            define( 'IS_VERSION', '4.8.1' );
        }
        if ( !defined( 'IS_PLUGIN_FILE' ) ) {
            define( 'IS_PLUGIN_FILE', __FILE__ );
        }
        if ( !defined( 'IS_PLUGIN_BASE' ) ) {
            define( 'IS_PLUGIN_BASE', plugin_basename( IS_PLUGIN_FILE ) );
        }
        if ( !defined( 'IS_PLUGIN_DIR' ) ) {
            define( 'IS_PLUGIN_DIR', plugin_dir_path( IS_PLUGIN_FILE ) );
        }
        if ( !defined( 'IS_PLUGIN_URI' ) ) {
            define( 'IS_PLUGIN_URI', plugins_url( '/', IS_PLUGIN_FILE ) );
        }
        if ( !defined( 'IS_ADMIN_READ_CAPABILITY' ) ) {
            define( 'IS_ADMIN_READ_CAPABILITY', 'edit_posts' );
        }
        if ( !defined( 'IS_ADMIN_READ_WRITE_CAPABILITY' ) ) {
            define( 'IS_ADMIN_READ_WRITE_CAPABILITY', 'publish_pages' );
        }
    }
    
    /**
     * Includes required core files used in admin and on the frontend.
     */
    public function includes()
    {
        /**
         *  Common Files
         */
        require_once IS_PLUGIN_DIR . 'includes/base-functions.php';
        require_once IS_PLUGIN_DIR . 'includes/class-is-activator.php';
        require_once IS_PLUGIN_DIR . 'includes/class-is-admin-public.php';
        require_once IS_PLUGIN_DIR . 'includes/class-is-customizer-panel.php';
        require_once IS_PLUGIN_DIR . 'includes/class-is-customizer.php';
        require_once IS_PLUGIN_DIR . 'includes/class-is-deactivator.php';
        require_once IS_PLUGIN_DIR . 'includes/class-is-i18n.php';
        require_once IS_PLUGIN_DIR . 'includes/class-is.php';
        require_once IS_PLUGIN_DIR . 'includes/class-is-search-form.php';
        require_once IS_PLUGIN_DIR . 'includes/class-is-widget.php';
        require_once IS_PLUGIN_DIR . 'includes/freemius.php';
        
        if ( is_admin() || defined( 'DOING_AJAX' ) && DOING_AJAX ) {
            /**
             *  Admin Files
             */
            require_once IS_PLUGIN_DIR . 'admin/class-is-admin.php';
            require_once IS_PLUGIN_DIR . 'admin/class-is-editor.php';
            require_once IS_PLUGIN_DIR . 'admin/class-is-help.php';
            require_once IS_PLUGIN_DIR . 'admin/class-is-list-table.php';
            require_once IS_PLUGIN_DIR . 'admin/class-is-settings-fields.php';
        }
        
        
        if ( !is_admin() || defined( 'DOING_AJAX' ) && DOING_AJAX ) {
            /**
             *  Public Files
             */
            require_once IS_PLUGIN_DIR . 'public/class-is-ajax.php';
            require_once IS_PLUGIN_DIR . 'public/class-is-public.php';
        }
    
    }
    
    /**
     * Hooks into initialization actions and filters.
     */
    private function init_hooks()
    {
        // Executes necessary actions on plugin activation and deactivation.
        register_activation_hook( IS_PLUGIN_FILE, array( 'IS_Activator', 'activate' ) );
        register_deactivation_hook( IS_PLUGIN_FILE, array( 'IS_Deactivator', 'deactivate' ) );
    }
    
    /**
     * Starts plugin execution.
     */
    function start()
    {
        $this->define_constants();
        $this->includes();
        $this->init_hooks();
        $is_loader = IS_Loader::getInstance();
        $is_loader->load();
    }

}
/**
 * Starts plugin execution.
 */
function ivory_search_start()
{
    $is = Ivory_Search::getInstance();
    $is->start();
}

add_action( 'plugins_loaded', 'ivory_search_start' );