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<?php
/**
 * WPMU DEV Hub endpoints.
 *
 * Class allows syncing plugin data with the Hub.
 *
 * @since 3.7.0
 * @package Smush\Core\Api
 */

namespace Smush\Core\Api;

use Smush\Core\Settings;

if ( ! defined( 'WPINC' ) ) {
    die;
}

/**
 * Class Hub
 */
class Hub {

    /**
     * Endpoints array.
     *
     * @since 3.7.0
     * @var array
     */
    private $endpoints = array(
        'get_stats',
    );

    /**
     * Hub constructor.
     *
     * @since 3.7.0
     */
    public function __construct() {
        add_filter( 'wdp_register_hub_action', array( $this, 'add_endpoints' ) );
    }

    /**
     * Add Hub endpoints.
     *
     * Every Hub Endpoint name is build following the structure: 'smush-$endpoint-$action'
     *
     * @since 3.7.0
     * @param array $actions  Endpoint action.
     *
     * @return array
     */
    public function add_endpoints( $actions ) {
        foreach ( $this->endpoints as $endpoint ) {
            $actions[ "smush_{$endpoint}" ] = array( $this, 'action_' . $endpoint );
        }

        return $actions;
    }

    /**
     * Retrieve data for endpoint.
     *
     * @since 3.7.0
     * @param array  $params  Parameters.
     * @param string $action  Action.
     */
    public function action_get_stats( $params, $action ) {
        $status   = array();
        $settings = Settings::get_instance();

        $status['cdn']   = $settings->get( 'cdn' );
        $status['super'] = $settings->get( 'lossy' );

        $lazy = $settings->get_setting( WP_SMUSH_PREFIX . 'lazy_load' );

        $status['lazy'] = array(
            'enabled' => $settings->get( 'lazy_load' ),
            'native'  => $lazy['native'],
        );

        $core = \WP_Smush::get_instance()->core();

        if ( ! isset( $core->stats ) ) {
            // Setup stats, if not set already.
            $core->setup_global_stats();
        }
        // Total, Smushed, Unsmushed, Savings.
        $status['count_total']   = $core->total_count;
        $status['count_smushed'] = $core->smushed_count;
        // Considering the images to be resmushed.
        $status['count_unsmushed'] = $core->remaining_count;
        $status['savings']         = $core->stats;


        $status['dir']   = $core->dir_stats;

        wp_send_json_success( (object) $status );
    }

}