<?php

class SiteOrigin_Widgets_Bundle_Elementor {
	/**
	 * Get the singleton instance
	 *
	 * @return SiteOrigin_Widgets_Bundle_Elementor
	 */
	public static function single() {
		static $single;

		return empty( $single ) ? $single = new self() : $single;
	}

	private $plugin;

	public function __construct() {
		add_action( 'template_redirect', array( $this, 'init_preview' ) );

		add_filter( 'siteorigin_widgets_is_preview', array( $this, 'is_elementor_preview' ) );

		add_action( 'wp_ajax_elementor_editor_get_wp_widget_form', array( $this, 'ajax_render_widget_form' ) );
		add_action( 'elementor/editor/before_enqueue_scripts', array( $this, 'enqueue_active_widgets_scripts' ) );

		add_filter( 'elementor/frontend/builder_content/before_print_css', array( $this, 'remove_post_type_filter' ), 10, 1 );
		add_filter( 'elementor/frontend/the_content', array( $this, 'restore_post_type_filter' ), 10, 1 );
	}

	public function init_preview() {
		$this->plugin = Elementor\Plugin::instance();

		if (
			! empty( $this->plugin->preview ) &&
			method_exists( $this->plugin->preview, 'is_preview_mode' ) &&
			$this->plugin->preview->is_preview_mode()
		) {
			add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_frontend_scripts' ) );
			add_action( 'elementor/preview/enqueue_styles', array( $this, 'enqueue_frontend_scripts' ) );
		}
	}

	public function enqueue_frontend_scripts() {
		$so_widgets_bundle = SiteOrigin_Widgets_Bundle::single();
		$so_widgets_bundle->register_general_scripts();
		$so_widgets_bundle->enqueue_registered_widgets_scripts(
			true,
			$this->is_elementor_preview()
		);
	}

	public function enqueue_active_widgets_scripts() {
		add_action( 'wp_print_footer_scripts', array( $this, 'print_footer_templates' ) );

		$so_widgets_bundle = SiteOrigin_Widgets_Bundle::single();
		$so_widgets_bundle->register_general_scripts();
		$so_widgets_bundle->enqueue_registered_widgets_scripts(
			false,
			$this->is_elementor_preview()
		);

		wp_enqueue_style( 'sowb-styles-for-elementor', plugin_dir_url( __FILE__ ) . 'styles.css' );

		wp_enqueue_script(
			'sowb-js-for-elementor',
			plugin_dir_url( __FILE__ ) . 'sowb-elementor' . SOW_BUNDLE_JS_SUFFIX . '.js',
			array( 'jquery' )
		);

		// Inline color scheme preference detection.
		wp_add_inline_script(
			'sowb-js-for-elementor',
			'if ( window.matchMedia && window.matchMedia( `(prefers-color-scheme: dark)` ).matches )
				{ document.body.classList.add( `swob-theme-dark` );
			}'
		);
	}

	public function print_footer_templates() {
		global $wp_widget_factory;

		// Elementor does it's editing in the front end so print required footer templates for active widgets.
		foreach ( $wp_widget_factory->widgets as $class => $widget_obj ) {
			if ( ! empty( $widget_obj ) && is_object( $widget_obj ) && is_subclass_of( $widget_obj, 'SiteOrigin_Widget' ) ) {
				/* @var $widget_obj SiteOrigin_Widget */
				$widget_obj->footer_admin_templates();
			}
		}
	}

	/**
	 * Check if the current request is an Elementor preview.
	 *
	 * @param bool $is_preview The default state provided by Elementor. Default is false.
	 *
	 * @return bool True if the current request is an Elementor preview, false otherwise.
	 */
	public function is_elementor_preview( $is_preview = false ) : bool {
		if ( $is_preview ) {
			return true;
		}

		// Check if Elementor has `is_preview_mode` method.
		$this->plugin = Elementor\Plugin::instance();
		$is_elementor_preview = ! empty( $this->plugin->preview ) &&
			method_exists( $this->plugin->preview, 'is_preview_mode' ) &&
			$this->plugin->preview->is_preview_mode();
		if ( $is_elementor_preview ) {
			return true;
		}


		// Check if Elementor is in edit mode.
		if ( $this->plugin->editor->is_edit_mode() ) {
			return true;
		}

		// Check if Elementor this is an Elementor preview request.
		if ( ( ! empty( $_REQUEST['action'] ) && $_REQUEST['action'] == 'elementor_ajax' ) ) {
			return true;
		}

		return false;
	}

	public function ajax_render_widget_form() {
		// Don't want to show the form preview button when using Elementor
		add_filter( 'siteorigin_widgets_form_show_preview_button', array( $this, '__return_false' ) );
	}

	/**
	 * Temporarily removes the Posts Form Field post type permission check
	 * before Elementor renderers the page.
	 *
	 * Elementor sanitizes post content when rendering the page.
	 * To prevent issues for guests who won't have permission to
	 * use any non-standard post types, we temporarily remove the check.
	 *
	 * The `elementor/frontend/builder_content/before_print_css` filter
	 * is used because it's the last filter Elementor applies before
	 * rendering the page.
	 *
	 * @param string $css The CSS content being generated by Elementor.
	 *
	 * @return string Unchanged CSS content.
	 */
	public function remove_post_type_filter( $css  ) {
		add_filter( 'siteorigin_widgets_post_selector_post_type_permission_check', '__return_false' );

		return $css;
	}

	/**
	 * Restores the Posts Form Field post type permission check after
	 * Elementor has finished rendering the page.
	 *
	 * @param string $content The processed content.
	 *
	 * @return string Unchanged processed content.
	 */
	public function restore_post_type_filter( $content  ) {
		remove_filter( 'siteorigin_widgets_post_selector_post_type_permission_check', '__return_false' );
		return $content;
	}
}

SiteOrigin_Widgets_Bundle_Elementor::single();