<?php

namespace WorkflowBundle\Admin;

use Base\AdminBundle\Admin\BaseAdmin;

class WorkflowBaseAdmin extends BaseAdmin
{

    /**
     * @return array
     */
    public function getBatchActions()
    {
        $actions = parent::getBatchActions();

        $workflows = array();
        $registry = $this->get('workflow.registry');
        $class = $this->getClass();
        $tmpEntity = new $class();
        try {
            $workflows = $this->getRepository('WorkflowBundle:Workflow')->findAllByClass($this->getClass());
            // No hay workflows en db, pruebo traer desde el workflow registry
            if (count($workflows) == 0) {
                $workflows[] = $registry->get($tmpEntity);
            }
        } catch (\Exception $ex) {
            // No hay workflows en db, pruebo traer desde el workflow registry 
            // con los names definidos en el admin $batchWorkflows
            if (isset($this->batchWorkflows)) {
                foreach ($this->batchWorkflows as $name) {
                    $workflows[] = $registry->get($tmpEntity, $name);
                }
            }
        }
        
        foreach ($workflows as $workflow) {
            $definition = method_exists($workflow, 'getSubject') 
                    ? $workflow->getDefinition($workflow->getSubject())
                    : $workflow->getDefinition();
            $transitions = $definition ? $definition->getTransitions() : array();
            foreach ($transitions as $transition) {
                $label = $this->trans('workflow.' . $workflow->getName() . '.transitions.' . $transition->getName(), array(), 'WorkflowLabel');
                $label .= " ( {$transition->getName()} )";
                $actions[$transition->getName()] = array(
                    'label' => $label,
                    'ask_confirmation' => true,
                    'workflow' => array(
                        'name' => $workflow->getName(),
                        'transition' => $transition->getName(),
                    ),
                );
            }
        }
        asort($actions);
        
        return $actions;
    }

}