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<?php

namespace ElementorLayerSlider;

// Prevent direct file access
defined( 'LS_ROOT_FILE' ) || exit;

final class LS_Elementor {

	const MINIMUM_ELEMENTOR_VERSION = '3.5.0';
	const MINIMUM_PHP_VERSION = '5.4';

	private static $_instance = null;


	public static function instance() {

		if( is_null( self::$_instance ) ) {
			self::$_instance = new self();
		}

		return self::$_instance;
	}


	public function widget_scripts() {
		ls_enqueue_slider_library();

		wp_enqueue_style('ls-elementor', LS_ROOT_URL.'/static/admin/css/elementor.css', ['elementor-editor'], LS_PLUGIN_VERSION );
		wp_enqueue_script( 'ls-elementor-backend', LS_ROOT_URL.'/static/admin/js/elementor-backend.js', ['kreatura-modal'], LS_PLUGIN_VERSION, true);

		wp_localize_script('ls-elementor-backend', 'LS_Widget', [
			'editorUrl'	=> admin_url( 'admin.php?page=layerslider&action=edit&id=' ),
			'i18n'		=> [
				'modalTitle' => __('Quick Edit LayerSlider', 'LayerSlider'),
				'ChangesYouMadeMayNotBeSaved' => __( 'Changes you made may not be saved. Are you sure you want to continue?', 'LayerSlider' ),
			]
		]);
	}


	public function register_widgets( $widgets_manager ) {

		// Load Widget class and register it
		require_once( LS_ROOT_PATH . '/classes/class.ls.elementor.widget.php' );
		$widgets_manager->register( new Widgets\LS_Elementor_Widget() );

		// Override user provided advanced settings in order to
		// force loading all scripts in the preview window.
		if( is_admin() || ! empty( $_GET['elementor-preview'] ) ) {
			add_filter( 'ls_conditional_script_loading', function( $value ) { return false; } );
			add_filter( 'ls_include_at_footer', function( $value ) { return false; } );
			add_filter( 'ls_load_all_js_files', function( $value ) { return true; } );
		}
	}


	public function init() {

		// Check if Elementor installed and activated
		if( ! did_action( 'elementor/loaded' ) ) {
			return false;
		}

		// Check for required Elementor version
		if( version_compare( ELEMENTOR_VERSION, self::MINIMUM_ELEMENTOR_VERSION, '<' ) ) {
			return false;
		}

		// Check for required PHP version
		if ( version_compare( PHP_VERSION, self::MINIMUM_PHP_VERSION, '<' ) ) {
			return false;
		}

		// Register widget scripts
		add_action( 'elementor/editor/before_enqueue_scripts', [ $this, 'widget_scripts' ] );

		// Register widgets
		add_action( 'elementor/widgets/register', [ $this, 'register_widgets' ] );
	}


	private function __construct() {
		add_action( 'plugins_loaded', [ $this, 'init' ] );
	}
}

LS_Elementor::instance();