<?php

namespace Zitec\RuleEngineBundle\Admin;

use Zitec\RuleEngineBundle\DoctrineBehaviors\PreconditionInterface;
use Zitec\RuleEngineBundle\DoctrineBehaviors\RuleInterface;
use Zitec\RuleEngineBundle\Service\RuleConditionsManager;
use Zitec\RuleEngineBundle\Service\RuleJsonConverter;
use Sonata\AdminBundle\Datagrid\ListMapper;
use Sonata\AdminBundle\Form\FormMapper;
use Sonata\AdminBundle\Form\Type\AdminType;
use Sonata\AdminBundle\Form\Type\CollectionType;


/**
 * Class RuleAdminTrait
 * A trait that should be used in Sonata Admin classes for RuleEngine-aware entities.
 */
trait PreconditionAdminTrait
{
    /**
     * @param PreconditionInterface $subject
     * @return array
     */
    public function formatPrecondition(PreconditionInterface $subject)
    {
        $ruleManager = $this->getRuleManager($subject);
        $formatter = new RuleJsonConverter();
        if($subject->getPrecondition()===null){
            return $formatter->formatForDisplay('{}', $ruleManager);
        }
        return $formatter->formatForDisplay($subject->getPrecondition()->getJson(), $ruleManager);
    }


    /**
     * @param FormMapper $formMapper
     * @param array $options
     */
    protected function addPreconditionFormElement(FormMapper $formMapper, array $options = [])
    {
        $ruleManager = $this->getRuleManager();
        $options = $options + ['label' => false];

        $formMapper->add('precondition', AdminType::class, $options, ['rule_manager' => $ruleManager,'admin_code' => 'precondition.admin']);
    }

    /**
     * @param ListMapper $list
     */
    protected function addPreconditionListColumns(ListMapper $list)
    {
        $list->add('precondition.name')
            ->add('precondition.active', 'boolean', ['editable' => true])
            ->add('precondition', null, ['template' => 'ZitecRuleEngineBundle:Admin:json_precondition_field.html.twig']);
        // In dev environment, display the expression too.
        if ($this->getConfigurationPool()->getContainer()->has('kernel.debug')) {

            $list->add('precondition.expression', null, ['header_style' => 'width: 20%; text-align: center']);
        }
    }

}