<?php

namespace WP_CLI\Doctor\Check;

use WP_CLI;
use WP_CLI\Doctor\Check;

/**
 * Warns when there are plugin updates available.
 */
class Plugin_Update extends Plugin {

    public function run() {
        $plugins      = self::get_plugins();
        $update_count = 0;
        foreach ( $plugins as $plugin ) {
            if ( 'available' === $plugin['update'] ) {
                ++$update_count;
            }
        }

        if ( 1 === $update_count ) {
            $this->set_status( 'warning' );
            $this->set_message( '1 plugin has an update available.' );
        } elseif ( $update_count ) {
            $this->set_status( 'warning' );
            $this->set_message( "{$update_count} plugins have updates available." );
        } else {
            $this->set_status( 'success' );
            $this->set_message( 'Plugins are up to date.' );
        }
    }
}