<?php
/**
 * Class API for Image size
 *
 * @since 2.5.0
 *
 * @version 1.0.0
 *
 * @package ItalyStrap
 */

namespace ItalyStrap\Image;

use ItalyStrap\Event\Subscriber_Interface;

/**
 * Renders extra controls for image dimension in the new media UI.
 *
 * @since 1.1.0
 * @package ItalyStrap
 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
 */

class Size implements Subscriber_Interface {

	/**
	 * Returns an array of hooks that this subscriber wants to register with
	 * the WordPress plugin API.
	 *
	 * @hooked image_size_names_choose - 999
	 *
	 * @return array
	 */
	public static function get_subscribed_events() {

		return array(
			// 'hook_name'							=> 'method_name',
			'image_size_names_choose'	=> array(
				'function_to_add'	=> 'get_image_sizes',
				'priority'			=> 999,
			),
		);
	}

	/**
	 * Add list of all image size to administrators in the WordPress Media Library
	 *
	 * @package ItalyStrap
	 *
	 * @link http://codex.wordpress.org/Function_Reference/get_intermediate_image_sizes
	 * @link http://codex.wordpress.org/Plugin_API/Filter_Reference/image_size_names_choose
	 * @link http://www.deluxeblogtips.com/2011/06/list-registered-image-sizes.html
	 * @link https://wordpress.org/support/topic/image_size_names_choose-not-working
	 *
	 * @param  array $args Default WordPres image list ('thumbnail', 'medium', 'large').
	 * @return array       New list with custom and standard thumb
	 */
	function get_image_sizes( array $args = array() ) {

		global $_wp_additional_image_sizes;

		$custom = array( 'full' => __( 'Real size', 'italystrap' ) );

		/**
		 * An array of each size value
		 *
		 * @var array
		 */
		$sizes = array();

		/**
		 * An array of name of each thumb, custom and standard
		 *
		 * @var array
		 */
		$get_intermediate_image_sizes = get_intermediate_image_sizes();

		/**
		 * Create the full array with sizes and crop info
		 */
		foreach ( $get_intermediate_image_sizes as $_size ) {

			/**
			 * The name of each thumb
			 * var $_size string
			 */
			if ( $_size && in_array( $_size, array( 'thumbnail', 'medium', 'large' ), true ) ) {

				/**
				 * Get the size of each standard thumb
				 */
				$sizes[ $_size ]['width'] = get_option( $_size . '_size_w' );
				$sizes[ $_size ]['height'] = get_option( $_size . '_size_h' );
 				$sizes[ $_size ]['crop'] = (bool) get_option( $_size . '_crop' );

			} elseif ( $_size && isset( $_wp_additional_image_sizes[ $_size ] ) ) {

				/**
				 * Get the size of each custom thumb
				 */
				$sizes[ $_size ] = array(
					'width'		=> $_wp_additional_image_sizes[ $_size ]['width'],
					'height'	=> $_wp_additional_image_sizes[ $_size ]['height'],
					'crop'		=> $_wp_additional_image_sizes[ $_size ]['crop'],
				);

			}

			/**
			 * Add thumb name to administrators in the WordPress Media Library
			 */
			if ( isset( $sizes[ $_size ] ) ) {

				// $custom[ $_size ] = ucwords( str_replace( '-', ' ', $_size ) ) . ' ' . $sizes[ $_size ]['width'] . 'x' . $sizes[ $_size ]['height'];
				$custom[ $_size ] = sprintf(
					'%s %sx%spx',
					ucwords( str_replace( '-', ' ', $_size ) ),
					$sizes[ $_size ]['width'],
					$sizes[ $_size ]['height']
				);
			}
		}

		return array_merge( $args, $custom );
	}
}