<?php

namespace Wallabag\CoreBundle\Form\Type;

use Doctrine\ORM\EntityRepository;
use Lexik\Bundle\FormFilterBundle\Filter\Query\QueryInterface;
use Lexik\Bundle\FormFilterBundle\Filter\Form\Type\NumberRangeFilterType;
use Lexik\Bundle\FormFilterBundle\Filter\Form\Type\DateRangeFilterType;
use Lexik\Bundle\FormFilterBundle\Filter\Form\Type\TextFilterType;
use Lexik\Bundle\FormFilterBundle\Filter\Form\Type\CheckboxFilterType;
use Lexik\Bundle\FormFilterBundle\Filter\Form\Type\ChoiceFilterType;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage;

class EntryFilterType extends AbstractType
{
    private $user;
    private $repository;

    /**
     * Repository & user are used to get a list of language entries for this user.
     *
     * @param EntityRepository $entryRepository
     * @param TokenStorage     $token
     */
    public function __construct(EntityRepository $entryRepository, TokenStorage $token)
    {
        $this->repository = $entryRepository;
        $this->user = $token->getToken()->getUser();
    }

    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('readingTime', NumberRangeFilterType::class)
            ->add('createdAt', DateRangeFilterType::class, array(
                    'left_date_options' => array(
                        'attr' => array(
                            'placeholder' => 'dd/mm/yyyy',
                        ),
                        'format' => 'dd/MM/yyyy',
                        'widget' => 'single_text',
                    ),
                    'right_date_options' => array(
                        'attr' => array(
                            'placeholder' => 'dd/mm/yyyy',
                        ),
                        'format' => 'dd/MM/yyyy',
                        'widget' => 'single_text',
                    ),
                )
            )
            ->add('domainName', TextFilterType::class, array(
                'apply_filter' => function (QueryInterface $filterQuery, $field, $values) {
                    $value = $values['value'];
                    if (strlen($value) <= 2 || empty($value)) {
                        return;
                    }
                    $expression = $filterQuery->getExpr()->like($field, $filterQuery->getExpr()->literal('%'.$value.'%'));

                    return $filterQuery->createCondition($expression);
                },
            ))
            ->add('isArchived', CheckboxFilterType::class)
            ->add('isStarred', CheckboxFilterType::class)
            ->add('previewPicture', CheckboxFilterType::class, array(
                'apply_filter' => function (QueryInterface $filterQuery, $field, $values) {
                    if (false === $values['value']) {
                        return;
                    }

                    $expression = $filterQuery->getExpr()->isNotNull($field);

                    return $filterQuery->createCondition($expression);
                },
            ))
            ->add('language', ChoiceFilterType::class, array(
                'choices' => array_flip($this->repository->findDistinctLanguageByUser($this->user->getId())),
                'choices_as_values' => true,
            ))
        ;
    }

    public function getBlockPrefix()
    {
        return 'entry_filter';
    }

    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver->setDefaults(array(
            'csrf_protection' => false,
            'validation_groups' => array('filtering'),
        ));
    }
}
