<?php

namespace WorkflowBundle\Repository;

use \Doctrine\ORM\EntityRepository;

class WorkflowRepository extends EntityRepository
{

    /**
     * Retorna los workflow habilitados (enable=true) y 
     * que estén por defecto (usedByDefault=true) según la clase
     * si no encuentra, retorna los habilitados
     *
     * @param string $class
     * 
     * @return array
     */
    public function findAllByClass($class)
    {
        $results = $this->createQueryBuilder('Workflow')
                ->where('Workflow.enable = :enable')->setParameter('enable', true)
                ->andWhere('Workflow.usedByDefault = :usedByDefault')
                ->setParameter('usedByDefault', true)
                ->getQuery()->getResult();
                
        foreach ($results as $key => &$result) {
            if (!in_array($class, $result->getSupport())) {
                unset($results[$key]);
            }
        }
        
        // No hay workflow enable y usedByDefault, busco los enable
        if (count($results) == 0) {
            $results = $this->createQueryBuilder('Workflow')
            ->where('Workflow.enable = :enable')->setParameter('enable', true)
            ->getQuery()->getResult();
        }
        foreach ($results as $key => &$result) {
            if (!in_array($class, $result->getSupport())) {
                unset($results[$key]);
            }
        }
        
        return $results;
    }

    /**
     * Retorna los workflow soportados por $class
     *
     * @param string $class
     * 
     * @return array
     */
    public function findAllSupportedBy($class, $id = null)
    {
        $qb = $this->createQueryBuilder('Workflow')
                ->select('Workflow.id, Workflow.support');
        if ($id) {
            $qb->andWhere('Workflow.id <> :id')->setParameter('id', $id);
        }
        $results = $qb->getQuery()->getResult();
        foreach ($results as $key => &$result) {
            if (!in_array($class, $result['support'])) {
                unset($results[$key]);
            }
        }
        
        return array_map(function($result) {
            return $result['id'];
        }, $results);
    }

}