<?php
/**
 * Created by PhpStorm.
 * User: admin
 * Date: 10.06.2018
 * Time: 20:11
 */

namespace App\Repository;


class FastRepository
{
    protected $itemsById = [];

    protected $indexes = [];
    /**
     * @param string $indexField
     */
    function createIndex($indexField){
        $this->indexes[$indexField] = [];
        foreach ($this->itemsById as $item){
            $this->addToIndex($indexField, $item);
        }
    }

    function removeIndex($indexField){
        unset($this->indexes[$indexField]);
    }

    function add(FastRepositoryEntity $entity){
        $entityId = $entity->getId();
        $this->itemsById[$entityId] = $entity;

        foreach ($this->getIndexes() as $indexField){
            $this->addToIndex($indexField, $entity);
        }
    }

    /**
     * @param $indexField
     * @param $value
     * @return FastRepositoryEntity[]|null
     */
    function get($indexField, $value){
        if(!isset($this->indexes[$indexField])){
            return null;
        }
        if(empty($this->indexes[$indexField][$value])){
            return null;
        }
        return $this->indexes[$indexField][$value];
    }

    function remove(FastRepositoryEntity $entity){
        if(strpos($entity->getValue('name'), '802WK') !== false){
            $breradsf = 1;
        }

        $entityId = $entity->getId();
        unset($this->itemsById[$entityId]);

        foreach ($this->indexes as $index => &$entities){
            $indexValue = $entity->getValue($index);
            unset($entities[$indexValue][$entityId]);
        }
    }

    function getItemsById(){
        return $this->itemsById;
    }

    function getIndexes(){
        return array_keys($this->indexes);
    }

    protected function addToIndex($indexField, FastRepositoryEntity $entity){
        $key = $entity->getValue($indexField);
        if(!isset($this->indexes[$indexField][$key])){
            $this->indexes[$indexField][$key] = [];
        }
        $this->indexes[$indexField][$key][$entity->getId()] = $entity;
    }
}