<?php
/*
 * Copyright (C) 2019 Julien Fastré <julien.fastre@champs-libres.coop>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

namespace Chill\PersonBundle\Repository;

use Doctrine\ORM\EntityRepository;
use Doctrine\ORM\QueryBuilder;

/**
 * Class PersonRepository
 *
 * @package Chill\PersonBundle\Repository
 */
class PersonRepository extends EntityRepository
{
    /**
     * @param string $phonenumber
     * @param $centers
     * @param $firstResult
     * @param $maxResults
     * @param array $only
     * @return mixed
     * @throws \Exception
     */
    public function findByPhone(
        string $phonenumber, 
        $centers, 
        $firstResult,
        $maxResults,
        array $only = ['mobile', 'phone']
    ) {
        $qb = $this->createQueryBuilder('p');
        $qb->select('p');
        
        $this->addByCenters($qb, $centers);
        $this->addPhoneNumber($qb, $phonenumber, $only);
        
        $qb->setFirstResult($firstResult)
            ->setMaxResults($maxResults)
            ;
        
        return $qb->getQuery()->getResult();
    }
    
    /**
     * @param string $phonenumber
     * @param $centers
     * @param array $only
     * @return int
     * @throws \Doctrine\ORM\NoResultException
     * @throws \Doctrine\ORM\NonUniqueResultException
     */
    public function countByPhone(
        string $phonenumber, 
        $centers, 
        array $only = ['mobile', 'phone']
        ): int
    {
        $qb = $this->createQueryBuilder('p');
        $qb->select('COUNT(p)');
        
        $this->addByCenters($qb, $centers);
        $this->addPhoneNumber($qb, $phonenumber, $only);
        
        return $qb->getQuery()->getSingleScalarResult();
    }
    
    /**
     * @param QueryBuilder $qb
     * @param string $phonenumber
     * @param array $only
     * @throws \Exception
     */
    protected function addPhoneNumber(QueryBuilder $qb, string $phonenumber, array $only)
    {
        if (count($only) === 0) {
            throw new \Exception("No array field to search");
        }
        
        $phonenumber = $this->parsePhoneNumber($phonenumber);
        
        $orX = $qb->expr()->orX();
        
        if (\in_array('mobile', $only)) {
            $orX->add($qb->expr()->like("REPLACE(p.mobilenumber, ' ', '')", ':phonenumber'));
        }
        if (\in_array('phone', $only)) {
            $orX->add($qb->expr()->like("REPLACE(p.phonenumber, ' ', '')", ':phonenumber'));
        }
        
        $qb->andWhere($orX);
        
        $qb->setParameter('phonenumber', '%'.$phonenumber.'%');
    }
    
    /**
     * @param $phonenumber
     * @return string
     */
    protected function parsePhoneNumber($phonenumber): string
    {
        return \str_replace(' ', '', $phonenumber);
    }
    
    /**
     * @param QueryBuilder $qb
     * @param array $centers
     */
    protected function addByCenters(QueryBuilder $qb, array $centers)
    {
        if (count($centers) > 0) {
            $qb->andWhere($qb->expr()->in('p.center', ':centers'));
            $qb->setParameter('centers', $centers);
        }
    }
}