<?php

namespace Icinga\Module\Director\Objects;

use Icinga\Module\Director\Data\Db\DbObject;

class SyncProperty extends DbObject
{
    protected $table = 'sync_property';

    protected $keyName = 'id';

    protected $autoincKeyName = 'id';

    protected $defaultProperties = array(
        'id'                => null,
        'rule_id'           => null,
        'source_id'         => null,
        'source_expression' => null,
        'destination_field' => null,
        'priority'          => null,
        'filter_expression' => null,
        'merge_policy'      => null
    );

    /**
     * Virtual property for source_column
     *
     * Internally we always use an expression. Form indirectly uses this
     *
     * Avoid complaints for method names with underscore:
     * @codingStandardsIgnoreStart
     *
     * @return self
     */
    public function setSource_column($value)
    {
        // @codingStandardsIgnoreEnd
        $this->source_expression = '${' . $value . '}';
        return $this;
    }

    public function sourceIsSingleColumn()
    {
        return $this->getSourceColumn() !== null;
    }

    public function getSourceColumn()
    {
        if (preg_match('/^\${([A-Za-z0-9_-]+)}$/', $this->source_expression, $m)) {
            return $m[1];
        }

        return null;
    }
}