<?php

namespace App\Form;

use App\Entity\Goal;
use App\Entity\Ministry;
use App\Entity\Mainstay;
use App\Entity\Costing;
use App\Entity\Accelerator;
use Symfony\Bridge\Doctrine\Form\Type\EntityType;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormEvents;
use Symfony\Component\Form\FormEvent;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\Form\FormInterface;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\OptionsResolver\OptionsResolver;
use App\Repository\GoalRepository;

class CostingType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('code', TextType::class, [
                'label' => 'basics.code'
            ])
            ->add('name', TextType::class, [
                'label' => 'basics.name'
            ])
            ->add('mainstay', EntityType::class, [
                'label' => 'basics.mainstay',
                'class' => Mainstay::class,
                'placeholder' => 'basics.mainstay.placeholder',
                'mapped' => false,
                'required' => false,
            ])
            ->add('ministries', EntityType::class, [
                'class' => Ministry::class,
                'choice_label' => 'name',
                'label' => 'basics.ministries',
                'placeholder' => '',
                'multiple' => true,
            ])
            ->add('goals', EntityType::class, [
                'class' => Goal::class,
                'query_builder' => function(GoalRepository $items){
                    return $items ->createQueryBuilder('g')
                                  ->where('g.agenda = :agenda')
                                  ->setParameter('agenda', 2030)
                                  ->orderBy('g.code', 'ASC');
                },
                'choice_label' => 'name',
                'label' => 'basics.goals',
                'placeholder' => '',
                'multiple' => true,
            ])
            ->add('uploadkey', TextType::class, [
                'label' => 'basics.uploadkey',
                'disabled' => true,
                'mapped' => false,
                'data' => $options['uploadkey'],
                ])
        ;

        $builder->get('mainstay')->addEventListener(
            FormEvents::POST_SUBMIT,
            function (FormEvent $event) {
                $form = $event->getForm();
                $this->addAcceleratorField($form->getParent(), $form->getData());
            }
        );

        $builder->addEventListener(
            FormEvents::POST_SET_DATA,
            function (FormEvent $event) {
                $form = $event->getForm();

                $data = $event->getData();
                $accelerator = $data->getAccelerator();
                if ($accelerator) {
                    $mainstay = $accelerator->getMainstay();
                    $this->addAcceleratorField($form, $mainstay);
                    $form->get('mainstay')->setData($mainstay);
                } else {
                    $this->addAcceleratorField($form, null);
                }
            }
        );
    }

    private function addAcceleratorField(FormInterface $form, ?Mainstay $mainstay)
    {
        $form->add('accelerator', EntityType::class, [
            'label' => 'basics.accelerator',
            'class' => Accelerator::class,
            'placeholder' => 'basics.accelerator.placeholder',
            'choices' => $mainstay ? $mainstay->getAccelerators() : []
        ]);
    }

    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver->setDefaults(array(
            'data_class' => Costing::class,
            'uploadkey' => null,
        ));
    }
}