<?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 [
            // 'hook_name'                          => 'method_name',
            'image_size_names_choose'   => ['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 = [])
    {

        global $_wp_additional_image_sizes;

        $custom = ['full' => __('Real size', 'italystrap')];

        /**
         * An array of each size value
         *
         * @var array
         */
        $sizes = [];

        /**
         * 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, ['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 ] = ['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);
    }
}