<?php

namespace WP_CLI\Bootstrap;

use DirectoryIterator;

/**
 * Class InitializeLogger.
 *
 * Initialize the logger through the `WP_CLI\Runner` object.
 *
 * @package WP_CLI\Bootstrap
 */
final class InitializeLogger implements BootstrapStep {

    /**
     * Process this single bootstrapping step.
     *
     * @param BootstrapState $state Contextual state to pass into the step.
     *
     * @return BootstrapState Modified state to pass to the next step.
     */
    public function process( BootstrapState $state ) {
        $this->declare_loggers();
        $runner = new RunnerInstance();
        $runner()->init_logger();

        return $state;
    }

    /**
     * Load the class declarations for the loggers.
     */
    private function declare_loggers() {
        $logger_dir = WP_CLI_ROOT . '/php/WP_CLI/Loggers';
        $iterator   = new DirectoryIterator( $logger_dir );

        // Make sure the base class is declared first.
        include_once "$logger_dir/Base.php";

        foreach ( $iterator as $filename ) {
            if ( '.php' !== substr( $filename, - 4 ) ) {
                continue;
            }

            include_once "$logger_dir/$filename";
        }
    }
}