<?php

namespace App\Form;

use App\Entity\ActivityOSC;
use App\Entity\Mainstay;
use App\Entity\Accelerator;
use App\Repository\MainstayyRepository;
use App\Repository\AcceleratorRepository;
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\Form\Extension\Core\Type\MoneyType;
use Symfony\Component\Form\Extension\Core\Type\HiddenType;
use Symfony\Component\OptionsResolver\OptionsResolver;

class ActivityOSCType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('code', TextType::class, [
                'label' => 'basics.code',
                'required' => false,
            ])
            ->add('name', TextType::class, [
                'label' => 'basics.name'
            ])
             ->add('expectedCost', MoneyType::class, [
                'label' => 'basics.expectedCost',
                'currency' => 'XOF',
                'grouping' => true,
                'scale' => 0,
            ])
            ->add('mainstay', EntityType::class, [
                'label' => 'basics.mainstay',
                'class' => Mainstay::class,
                'choice_label' => 'name',
                'placeholder' => 'basics.mainstay.placeholder',
            ])
        ;

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

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

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

    private function addAcceleratorField(FormInterface $form, ?Mainstay $mainstay, array $options)
    {
        $builder = $form->getConfig()->getFormFactory()->createNamedBuilder(
            'accelerator',
            EntityType::class,
            null,
            [
                'label' => 'basics.accelerator',
                'class' => Accelerator::class,
                'choice_label' => 'name',
                'placeholder' => 'basics.accelerator.placeholder',
                'auto_initialize' => false,
                'choices' => $mainstay ? $mainstay->getAccelerators() : []
            ]
        );

        $form->add($builder->getForm());
    }
    
    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver->setDefaults(array(
            'data_class' => ActivityOSC::class,
        ));
    }
}