<?php

namespace Yipresser\AdminOptimizer\Admin;

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

use Yipresser\AdminOptimizer\Sections\{Content_SEO, Performance, Security, Custom_Fields_Types, Admin_Users, Export_Import, System_Tools};


if ( ! defined( 'ADMINOPTIMIZER_MODULES_MENU_SLUG' ) ) {
	define( 'ADMINOPTIMIZER_MODULES_MENU_SLUG', 'admin-optimizer' ); // Keep the slug to be the same as the free version. Do not change this.
}

if ( ! defined( 'ADMINOPTIMIZER_SECTIONS_URI' ) ) {
	define( 'ADMINOPTIMIZER_SECTIONS_URI', ADMINOPTIMIZER_URI . 'sections/' );
}

if ( ! defined( 'ADMINOPTIMIZER_SECTIONS_PATH' ) ) {
	define( 'ADMINOPTIMIZER_SECTIONS_PATH', ADMINOPTIMIZER_PATH . 'sections/' );
}

if ( ! defined( 'ADMINOPTIMIZER_MODULES_URI' ) ) {
	define( 'ADMINOPTIMIZER_MODULES_URI', ADMINOPTIMIZER_URI . 'modules/' );
}

if ( ! defined( 'ADMINOPTIMIZER_MODULES_PATH' ) ) {
	define( 'ADMINOPTIMIZER_MODULES_PATH', ADMINOPTIMIZER_PATH . 'modules/' );
}

const MODULES_OPTION = 'adminoptim-modules';

/**
 * Modules Singleton class
 */
final class Bootstrap {

	const MENU_SVG_ICON = 'data:image/svg+xml;base64,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';

	/**
	 * Single Instance
	 *
	 * @var null
	 */
	protected static $instance = null;

	/**
	 * List of Modules classes
	 *
	 * @var array
	 */
	public $modules = [];

	/**
	 * Settings class
	 *
	 * @var Admin_Settings
	 */
	protected $settings;

	/**
	 * User options
	 *
	 * @var false|mixed|null
	 */
	protected $options;

	/**
	 * Initialize a singleton instance
	 *
	 * @return self|null
	 */
	public static function get_instance() {
		if ( is_null( self::$instance ) ) {
			self::$instance = new self();
		}

		return self::$instance;
	}

	/**
	 * Constructor
	 */
	private function __construct() {
		$this->options = get_option( MODULES_OPTION, [] );
		$this->includes();
		$this->load_sections();
		$this->setup();
	}

	/**
	 * Include required files
	 *
	 * @return void
	 */
	private function includes() {
		require_once ADMINOPTIMIZER_PATH . 'includes/polyfill.php';
	}

	/**
	 * Initialize all sections
	 *
	 * @return void
	 */
	private function load_sections() {
		$this->modules['presets']             = new Presets();
		$this->modules['performance']         = new Performance( $this->options );
		$this->modules['security']            = new Security( $this->options );
		$this->modules['content-seo']         = new Content_SEO( $this->options );
		$this->modules['custom-fields-types'] = new Custom_Fields_Types( $this->options );
		$this->modules['users']               = new Admin_Users( $this->options );
		$this->modules['tools']               = new System_Tools( $this->options );
		$this->modules['export']              = new Export_Import();
		$this->settings = new Admin_Settings();
	}

	/**
	 * Setup admin menu
	 *
	 * @return void
	 */
	private function setup() {
		add_action( 'admin_menu', [ $this, 'add_menu' ] );
	}

	/**
	 * Add admin menu
	 *
	 * @return void
	 */
	public function add_menu() {
		$menu_title    = __( 'Admin Optimizer', 'admin-optimizer' );
		$page_title    = __( 'Admin Optimizer', 'admin-optimizer' );

		add_menu_page( $page_title, $menu_title, 'manage_options', ADMINOPTIMIZER_MODULES_MENU_SLUG, '', self::MENU_SVG_ICON );

		do_action( 'adminoptimizer_add_submenu_page' );
	}

}