<?php
/**
 * Initializes an addional featured image for use in backend and frontend.
 *
 * @author     ThemeFusion
 * @copyright  (c) Copyright by ThemeFusion
 * @link       http://theme-fusion.com
 * @package    Avada
 * @subpackage Core
 * @since      5.2
 */

if ( ! class_exists( 'Avada_Featured_Image' ) ) {
	/**
	 * Featured image class.
	 */
	class Avada_Featured_Image {

		/**
		 * The class arguments.
		 *
		 * @access private
		 * @var array
		 */
		private $args = array();

		/**
		 * The class defaults.
		 *
		 * @access private
		 * @var array
		 */
		private $defaults = array(
			'id'           => 'featured-image-2',
			'post_type'    => 'page',
			'name'         => 'Featured Image 2',
			'label_set'    => 'Set featured image 2',
			'label_remove' => 'Remove featured image 2',
		);

		/**
		 * Constructor.
		 *
		 * @since 5.2
		 * @access public
		 * @param array $args The arguments.
		 * @return void
		 */
		public function __construct( $args ) {
			$this->args                  = wp_parse_args( $args, $this->defaults );
			$this->args['metabox_id']    = $this->args['id'] . '_' . $this->args['post_type'];
			$this->args['post_meta_key'] = 'kd_' . $this->args['metabox_id'] . '_id';
			$this->args['nonce_action']  = $this->args['metabox_id'] . '_nonce_action';
			$this->args['nonce_name']    = $this->args['metabox_id'] . '_nonce_name';

			add_action( 'add_meta_boxes', array( $this, 'add_meta_box' ) );
			add_action( 'save_post', array( $this, 'save_meta_box' ) );

		}

		/**
		 * Add admin metabox for an additional featured image.
		 *
		 * @since 5.2
		 * @access public
		 * @return void
		 */
		public function add_meta_box() {
			add_meta_box(
				$this->args['metabox_id'],
				$this->args['name'],
				array( $this, 'meta_box_content' ),
				$this->args['post_type'],
				'side',
				'low'
			);
		}

		/**
		 * Output the metabox content.
		 *
		 * @since 5.2
		 * @access public
		 * @global object $post
		 * @return void
		 */
		public function meta_box_content() {
			global $post;

			$image_id = get_post_meta(
				$post->ID,
				$this->args['post_meta_key'],
				true
			);

			$output            = '';
			$preview_image_css = ' style="display:none;"';
			$remove_image_css  = ' style="display:none;"';

			if ( $image_id ) {
				$preview_image    = wp_get_attachment_image(
					$image_id,
					array( 266, 266 ),
					false,
					array(
						'class' => 'fusion-preview-image',
					)
				);
				$remove_image_css = '';
			} else {
				$preview_image     = '<img class="fusion-preview-image" src="" style="display:none;">';
				$preview_image_css = '';
			}

			$preview_image = '<span class="fusion-set-featured-image"' . $preview_image_css . '>' . $this->args['label_set'] . '</span>' . $preview_image;

			$set_image_link          = '<p class="hide-if-no-js">';
				$set_image_link     .= '<a aria-label="' . $this->args['label_set'] . '" href="#" id="' . $this->args['id'] . '" class="fusion_upload_button">';
					$set_image_link .= $preview_image;
				$set_image_link     .= '</a>';
				$set_image_link     .= '<input class="upload_field" id="' . $this->args['post_meta_key'] . '" name="' . $this->args['post_meta_key'] . '" value="' . $image_id . '" type="hidden">';
			$set_image_link         .= '</p>';

			$remove_image_link      = '<p class="hide-if-no-js fusion-remove-featured-image"' . $remove_image_css . '>';
				$remove_image_link .= '<a aria-label="' . $this->args['label_remove'] . '" href="#" id="' . $this->args['id'] . '" class="fusion-remove-image">' . $this->args['label_remove'] . '</a>';
			$remove_image_link     .= '</p>';

			$nonce_field = wp_nonce_field( $this->args['nonce_action'], $this->args['nonce_name'], true, false );

			$output = '<div class="fusion-featured-image-meta-box">' . $set_image_link . $remove_image_link . $nonce_field . '</div>';

			echo $output; // WPCS: XSS ok.
		}

		/**
		 * Saves the metabox.
		 *
		 * @since 5.2
		 * @access public
		 * @param string|int $post_id The post ID.
		 * @return void.
		 */
		public function save_meta_box( $post_id ) {

			if ( isset( $_POST[ $this->args['nonce_name'] ] ) ) {
				if ( ! wp_verify_nonce( sanitize_text_field( wp_unslash( $_POST[ $this->args['nonce_name'] ] ) ), $this->args['nonce_action'] ) ) {
					return;
				}
				if ( ! current_user_can( 'edit_post', $post_id ) ) {
					return;
				}
				if ( isset( $_POST[ $this->args['post_meta_key'] ] ) ) {
					update_post_meta( $post_id, $this->args['post_meta_key'], sanitize_text_field( wp_unslash( $_POST[ $this->args['post_meta_key'] ] ) ) );
				}
			}
		}

		/**
		 * Retrieve the ID of the featured image.
		 *
		 * @since 5.2
		 * @static
		 * @access public
		 * @global object $post
		 * @param string $image_id Internal ID of the featured image.
		 * @param string $post_type The post type of the post the featured image belongs to.
		 * @param int    $post_id A custom post ID.
		 * @return int The featured image ID.
		 */
		public static function get_featured_image_id( $image_id, $post_type, $post_id = null ) {
			global $post;

			if ( is_null( $post_id ) ) {
				$post_id = get_the_ID();
			}

			return get_post_meta( $post_id, 'kd_' . $image_id . '_' . $post_type . '_id', true );
		}
	}
} // End if().

if ( ! function_exists( 'fusion_get_featured_image_id' ) ) {
	/**
	 * Get the ID of the featured image.
	 *
	 * @since 5.2
	 * @param int    $image_id  The image ID.
	 * @param string $post_type The post-type.
	 * @param int    $post_id   The post-ID.
	 * @return int
	 */
	function fusion_get_featured_image_id( $image_id, $post_type, $post_id = null ) {
		if ( ! class_exists( 'kdMultipleFeaturedImages' ) ) {
			return 0;
		}
		return kdMultipleFeaturedImages::get_featured_image_id( $image_id, $post_type, $post_id );
	}
}

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