<?php

namespace WorkflowBundle\Entity;

use Base\AdminBundle\Traits\UseOneDefaultTrait;
use Doctrine\ORM\Mapping as ORM;
use Doctrine\Common\Persistence\Event\LifecycleEventArgs;
use Gedmo\Mapping\Annotation as Gedmo;
use OwnerVoterBundle\Entity\Traits\OwnerTraitInterface;
use OwnerVoterBundle\Entity\Traits\OwnerTrait;
use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
use Symfony\Component\Validator\Constraints as Assert;
use Symfony\Component\Yaml\Yaml;
use Symfony\Bundle\FrameworkBundle\Console\Application;
use Symfony\Component\Console\Input\ArrayInput;
use Symfony\Component\Console\Output\BufferedOutput;
use Symfony\Component\Workflow\Registry;
use WorkflowBundle\Validator\Constraints as WorkflowAssert;
use WorkflowBundle\Interfaces\UseOneDefaultFilterInterface;

/**
 * Workflow
 *
 * @ORM\Entity(repositoryClass="WorkflowBundle\Repository\WorkflowRepository")
 * @ORM\HasLifecycleCallbacks
 * @ORM\Table(uniqueConstraints={@ORM\UniqueConstraint(name="unique_idx", columns={"name", "tenancy_id"})})
 *
 * @UniqueEntity(fields={"name", "tenancyId"}, message="errors.duplicate_key")
 */
class Workflow implements OwnerTraitInterface, UseOneDefaultFilterInterface
{
    
    use OwnerTrait;
    use UseOneDefaultTrait;
    
    /**
     * @var int
     *
     * @ORM\Column(name="id", type="integer", nullable=false)
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    private $id;

    /**
     * @var string
     *
     * @ORM\Column(type="string", length=100, nullable=false)
     */
    protected $name;

    /**
     * @var string
     *
     * @ORM\Column(type="string", length=100, nullable=false, options={"default":"state_machine"})
     */
    protected $type = "state_machine";

    /**
     * @var string
     *
     * @ORM\Column(type="string", length=100, nullable=false, options={"default":"single_state"})
     */
    protected $markingType = "single_state";

    /**
     * @var string
     *
     * @ORM\Column(type="string", length=100, nullable=false, options={"default":"currentState"})
     */
    protected $markingName = "currentState";

    /**
     * @var string
     *
     * @ORM\Column(type="string", length=350, nullable=true)
     */
    protected $description;

    /**
     * @var text
     *
     * @ORM\Column(type="text", nullable=false)
     * @WorkflowAssert\ContainsYaml
     */
    protected $template;

    /**
     * @Gedmo\Timestampable(on="create")
     * @ORM\Column(type="datetime")
     */
    protected $created;

    /**
     * @Gedmo\Timestampable(on="update")
     * @ORM\Column(type="datetime")
     */
    protected $updated;

    /**
     * @var int
     *
     * @ORM\Column(type="integer", nullable=false, options={"default":1})
     */
    protected $tenancyId = 1;

    /**
     * @ORM\Column(type="boolean", nullable=true, options={"default":true})
     *
     */
    protected $enable = true;

    /**
     * @ORM\Column(type="array", nullable=true)
     *
     */
    protected $support = array();
    
    /**
     * var mixed Contiene el contenedor.
     */
    private $container;
    

    /**
     * Workflow constructor.
     */
    public function __construct()
    {
        $this->support = array();
    }

    /**
     * @return string
     */
    public function __toString()
    {
        return (string)$this->name;
    }

    /**
     * Get id
     *
     * @return int
     */
    public function getId()
    {
        return $this->id;
    }

    /**
     * Set name
     *
     * @param string $name
     *
     * @return Workflow
     */
    public function setName($name)
    {
        $_name = strtolower($name);
        $name = str_replace(" ", "_", $_name);
        $this->name = $name;

        return $this;
    }

    /**
     * Get name
     *
     * @return string
     */
    public function getName()
    {
        return $this->name;
    }

    /**
     * Set type
     *
     * @param string $type
     *
     * @return Workflow
     */
    public function setType($type)
    {
        $this->type = $type;

        return $this;
    }

    /**
     * Get type
     *
     * @return string
     */
    public function getType()
    {
        return $this->type;
    }

    /**
     * Set markingType
     *
     * @param string $markingType
     *
     * @return Workflow
     */
    public function setMarkingType($markingType)
    {
        $this->markingType = $markingType;

        return $this;
    }

    /**
     * Get markingType
     *
     * @return string
     */
    public function getMarkingType()
    {
        return $this->markingType;
    }

    /**
     * Set markingName
     *
     * @param string $markingName
     *
     * @return Workflow
     */
    public function setMarkingName($markingName)
    {
        $this->markingName = $markingName;

        return $this;
    }

    /**
     * Get markingName
     *
     * @return string
     */
    public function getMarkingName()
    {
        return $this->markingName;
    }

    /**
     * Set description
     *
     * @param string $description
     *
     * @return Workflow
     */
    public function setDescription($description)
    {
        $this->description = $description;

        return $this;
    }

    /**
     * Get description
     *
     * @return string
     */
    public function getDescription()
    {
        return $this->description;
    }

    /**
     * Set template
     *
     * @param text $template
     *
     * @return Workflow
     */
    public function setTemplate($template)
    {
        //$array = Yaml::parse($template);
        //$text = Yaml::dump($array,100,2);
        $this->template = $template;

        return $this;
    }

    /**
     * Get template
     *
     * @return text
     */
    public function getTemplate()
    {
        return $this->template;
    }

    /**
     * Get created
     *
     * @return \DateTime
     */
    public function getCreated()
    {
        return $this->created;
    }

    /**
     * Get updated
     *
     * @return \DateTime
     */
    public function getUpdated()
    {
        return $this->updated;
    }

    /**
     * Set tenancyId
     *
     * @param int $tenancyId
     *
     * @return Workflow
     */
    public function setTenancyId($tenancyId)
    {
        $this->tenancyId = $tenancyId;

        return $this;
    }

    /**
     * Get tenancyId
     *
     * @return int
     */
    public function getTenancyId()
    {
        return $this->tenancyId;
    }

    /**
     * Set enable
     *
     * @param boolean $enable
     * @return Workflow
     */
    public function setEnable($enable)
    {
        $this->enable = $enable;
        return $this;
    }

    /**
     * Get enable
     *
     * @return boolean
     */
    public function getEnable()
    {
        return $this->enable;
    }

    /**
     * @ORM\PostPersist
     */
    public function postPersist(LifecycleEventArgs $event)
    {
        $this->updateWorkflows();
    }

    /**
     * @ORM\PostUpdate
     */
    public function postUpdate(LifecycleEventArgs $event)
    {
        $this->updateWorkflows();
    }

    /**
     * @ORM\PreRemove
     */
    public function preRemove(LifecycleEventArgs $event)
    {
        $this->updateWorkflows();
    }

    // La idea era peticionar el comando y que actualice, pero desde aquí, el comando no obtiene el enable actualizado.
    public function updateWorkflowsCommand()
    {
        $console = $this->getContainer()->getParameter('kernel.root_dir') . "/../bin/console";

        exec("php {$console} workflow:generate:list");
        exec("php {$console} cache:clear --env=prod");
    }

    public function updateWorkflows()
    {
        $em = $this->getContainer()->get("doctrine.orm.entity_manager");
        $workflows = $em->getRepository("WorkflowBundle:Workflow")->findBy(array('enable' => 1));

        $rootDir = $this->getContainer()->getParameter('kernel.root_dir');

        $workflow_template = array();
        $workflow_template['framework'] = array();

        $templates = array();
        foreach ($workflows as $k => $workflow) {

            $body = array();

            $body['type'] = $workflow->getType();

            if (is_array($workflow->getMarkingName())) {
                $markingName = $workflow->getMarkingName();
            } else {
                $markingName = array(0 => $workflow->getMarkingName());
            }
            $body['marking_store'] = array('type' => $workflow->getMarkingType(), 'arguments' => $markingName);
            $body['supports'] = $workflow->getSupport();

            $body += Yaml::parse($workflow->getTemplate());

            $templates[$workflow->getName()] = $body;

        }

        $workflow_file = $rootDir . "/Resources/workflows/workflow_list.yml";

        $handle = fopen($workflow_file, "w+");

        if ($templates) {
            $workflow_template['framework'] = array('workflows' => $templates);
            $yaml = Yaml::dump($workflow_template, 100, 2);
            fwrite($handle, $yaml);
        } else {
            fwrite($handle, "");
        }

        fclose($handle);
        chmod($workflow_file, 0777);

        $console = $rootDir . "/../bin/console";
        exec("php {$console} cache:clear --env=prod");

        /*$web_workflows = $rootDir."/../web/workflows_png/";
        foreach($workflows as $k => $workflow) {
            $file_locate = "{$web_workflows}/{$workflow->getName()}";
            exec("php {$console} workflow:dump {$workflow->getName()} > {$file_locate}.dot");
            if(file_exists("{$file_locate}.dot")) {
                exec("dot -Tpng {$file_locate}.dot -o {$file_locate}.png");
            }
        }*/
    }

    public function getDefinition($subject)
    {
        try {
            $registry = $this->getContainer()->get("workflow.registry");
            $definition = $registry->get($subject, $this->name)->getDefinition();
        } catch (\Exception $e) {
            return null;
        }

        return $definition;
    }

    public function getInitialPlace($subject)
    {
        try {
            $registry = $this->getContainer()->get("workflow.registry");
            $definition = $registry->get($subject, $this->name)->getDefinition();
        } catch (\Exception $e) {
            return null;
        }

        return $definition->getInitialPlace();
    }

    /**
     * Set support
     *
     * @param array $support
     * @return Workflow
     */
    public function setSupport($support)
    {
        $this->support = $support;
        return $this;
    }

    /**
     * Get support
     *
     * @return array
     */
    public function getSupport()
    {
        return $this->support;
    }

    /**
     * Get subject
     *
     * Para obtener un workflow desde el registry ya que localiza por object y workflowName
     */
    public function getSubject()
    {
        if ($this->support) {
            $className = "\\" . $this->support[0];
            return new $className();
        }

        return null;
    }

    /**
     * @return mixed
     */
    public function getContainer()
    {
        return $this->container;
    }

    /**
     * @param mixed $container
     */
    public function setContainer($container)
    {
        $this->container = $container;
    }
        
}