<?php

defined( 'ABSPATH' ) || exit;

/**
 * Optional Elementor bridge. AIparently has no hard dependency on Elementor.
 */
final class AIparently_Elementor_Adapter {
	private $image_renderer;

	public function __construct( AIparently_Image_Label_Renderer $image_renderer ) {
		$this->image_renderer = $image_renderer;
	}

	public function register_hooks() {
		add_filter( 'elementor/widget/render_content', array( $this, 'filter_widget_content' ), 20, 2 );
		add_action( 'aiparently_classification_changed', array( $this, 'classification_changed' ), 20, 2 );
		add_action( 'update_option_aiparently_settings', array( $this, 'clear_document_cache' ), 20, 2 );
		add_action( 'init', array( $this, 'maybe_clear_cache_after_upgrade' ), 20 );
	}

	public function filter_widget_content( $widget_content, $widget ) {
		if ( ! is_object( $widget ) || ! method_exists( $widget, 'get_settings_for_display' ) ) {
			return $widget_content;
		}

		$settings      = $widget->get_settings_for_display();
		$attachment_id = isset( $settings['image']['id'] ) ? absint( $settings['image']['id'] ) : 0;

		return $this->image_renderer->render_detected_images( $widget_content, $attachment_id );
	}

	public function classification_changed( $post_id, $status ) {
		if ( 'attachment' === get_post_type( $post_id ) ) {
			$this->clear_document_cache();
		}
	}

	/**
	 * Elementor stores rendered widget HTML in a document cache. A media-meta
	 * change does not invalidate that cache, so remove only the rendered HTML
	 * cache and leave generated CSS/assets untouched.
	 */
	public function clear_document_cache( $old_value = null, $new_value = null ) {
		if ( class_exists( '\\Elementor\\Core\\Base\\Document' ) ) {
			delete_post_meta_by_key( \Elementor\Core\Base\Document::CACHE_META_KEY );
		}
	}

	public function maybe_clear_cache_after_upgrade() {
		if ( AIPARENTLY_VERSION === get_option( 'aiparently_version' ) ) {
			return;
		}

		$this->clear_document_cache();
		update_option( 'aiparently_version', AIPARENTLY_VERSION, false );
	}
}