<?php

namespace App\Repository\Blog;

use App\Core\Repository\RepositoryQuery;
use App\Entity\Blog\Category;
use Knp\Component\Pager\PaginatorInterface;

/**
 * class PostRepositoryQuery.
 *
 * @author Simon Vieille <simon@deblan.fr>
 */
class PostRepositoryQuery extends RepositoryQuery
{
    public function __construct(PostRepository $repository, PaginatorInterface $paginator)
    {
        parent::__construct($repository, 'p', $paginator);
    }

    public function inCategory(Category $category)
    {
        $c = 'c'.mt_rand();

        $this
            ->innerJoin('p.categories', $c)
            ->andWhere($c.'.id = :category')
            ->setParameter(':category', $category->getId())
        ;

        return $this;
    }

    public function published()
    {
        return $this
            ->andWhere('.status = 1')
            ->andWhere('.publishedAt <= :now')
            ->setParameter(':now', (new \DateTime('now'))->format('Y-m-d H:i:s'))
        ;
    }

    public function useFilters(array $filters)
    {
        foreach ($filters as $name => $value) {
            if (null === $value) {
                continue;
            }

            if (is_int($value)) {
                $this->andWhere('.'.$name.' = :'.$name);
                $this->setParameter(':'.$name, $value);
            } elseif (is_string($value)) {
                $this->andWhere('.'.$name.' LIKE :'.$name);
                $this->setParameter(':'.$name, '%'.$value.'%');
            } else {
                if ('category' === $name) {
                    $this->inCategory($value);
                }
            }
        }

        return $this;
    }

    public function search(string $keywords)
    {
        $conn = $this->repository->getEm()->getConnection();

        $statement = $conn->prepare(
            'SELECT
                post.id,
                post.title,
                MATCH(post.title) AGAINST(:search) AS MATCH_TITLE,
                MATCH(post.content) AGAINST(:search) AS MATCH_CONTENT
            FROM post
            WHERE
                post.status = 1 AND
                post.published_at < :date
            ORDER BY
                MATCH_TITLE DESC,
                MATCH_CONTENT DESC
        ');

        $statement->execute([
            ':search' => $keywords,
            ':date' => (new \DateTime())->format('Y-m-d H:i:s'),
        ]);

        $results = $statement->fetchAll();
        $ids = [];

        foreach ($results as $k => $v) {
            $rate = ($v['MATCH_TITLE'] * 2) + $v['MATCH_CONTENT'];

            if ($rate >= 7) {
                $ids[] = $v['id'];
            }
        }

        if (0 == count($ids)) {
            foreach ($results as $k => $v) {
                $rate = ($v['MATCH_TITLE'] * 2) + $v['MATCH_CONTENT'];

                if ($rate >= 6) {
                    $ids[] = $v['id'];
                }
            }
        }

        if (!$ids) {
            $ids = [-1];
        }

        return $this
            ->orderBy('FIELD(p.id, :ids)')
            ->andWhere('.id IN(:ids)')
            ->setParameter(':ids', $ids)
        ;
    }
}