<?php
namespace Icinga\Protocol\Commandpipe;

class PropertyModifier {
    const STATE_ENABLE = 1;
    const STATE_DISABLE = 0;
    const STATE_KEEP = -1;

    const FLAPPING = "%s_FLAP_DETECTION";
    const ACTIVE = "%s_CHECK";
    const PASSIVE = "PASSIVE_%s_CHECKS";
    const NOTIFICATIONS = "%s_NOTIFICATIONS";
    const FRESHNESS = "%s_FRESHNESS_CHECKS";
    const EVENTHANDLER = "%s_EVENT_HANDLER";

    public $flags = array(
        self::FLAPPING =>   self::STATE_KEEP,
        self::ACTIVE   =>   self::STATE_KEEP,
        self::PASSIVE  =>   self::STATE_KEEP,
        self::NOTIFICATIONS  => self::STATE_KEEP,
        self::FRESHNESS => self::STATE_KEEP,
        self::EVENTHANDLER => self::STATE_KEEP
    );

    public function __construct(array $flags)
    {
        foreach ($flags as $type=>$value) {
            if (isset($this->flags[$type])) {
                $this->flags[$type] = $value;
            }
        }
    }

    public function getFormatString($type) {
        $cmd = array();
        foreach($this->flags as $cmdTemplate=>$setting) {
            if($setting == self::STATE_KEEP)
                continue;
            $commandString = ($setting == self::STATE_ENABLE ? "ENABLE_" : "DISABLE_");
            $targetString = $type;
            if($type == CommandPipe::TYPE_SERVICE && $cmdTemplate == self::FRESHNESS) {
                // the external command definition is inconsistent here..
                $targetString = "SERVICE";
            }
            $commandString .= sprintf($cmdTemplate,$targetString);
            $cmd[] = $commandString;
        }
        return $cmd;
    }
}