<?php

namespace WP_CLI\Doctor\Check;

use WP_CLI;

/**
 * Errors when there's an excess of %threshold_count% duplicate cron jobs registered.
 */
class Cron_Duplicates extends Cron {

    /**
     * Warn when there are greater than this number of duplicates.
     *
     * @var integer
     */
    protected $threshold_count = 10;

    public function run() {
        $crons             = self::get_crons();
        $job_counts        = array();
        $excess_duplicates = false;
        foreach ( $crons as $job ) {
            if ( ! isset( $job_counts[ $job['hook'] ] ) ) {
                $job_counts[ $job['hook'] ] = 0;
            }
            ++$job_counts[ $job['hook'] ];
            if ( $job_counts[ $job['hook'] ] >= $this->threshold_count ) {
                $excess_duplicates = true;
            }
        }
        if ( $excess_duplicates ) {
            $this->set_status( 'error' );
            $this->set_message( "Detected {$this->threshold_count} or more of the same cron job." );
        } else {
            $this->set_status( 'success' );
            $this->set_message( 'All cron job counts are within normal operating expectations.' );
        }
    }
}