<?php

namespace WP_CLI\Dispatcher;

use WP_CLI\Utils;

/**
 * The root node in the command tree.
 *
 * @package WP_CLI
 */
class RootCommand extends CompositeCommand {

    public function __construct() {
        $this->parent = false;

        $this->name = 'wp';

        $this->shortdesc = 'Manage WordPress through the command-line.';
    }

    /**
     * Get the human-readable long description.
     *
     * @return string
     */
    public function get_longdesc() {
        return $this->get_global_params( true );
    }

    /**
     * Find a subcommand registered on the root
     * command.
     *
     * @param array $args
     * @return Subcommand|false
     */
    public function find_subcommand( &$args ) {
        $command = array_shift( $args );

        Utils\load_command( $command );

        if ( ! isset( $this->subcommands[ $command ] ) ) {
            return false;
        }

        return $this->subcommands[ $command ];
    }
}