<?php

namespace App\Entity;

use Doctrine\ORM\Mapping as ORM;
use Doctrine\Common\Collections\ArrayCollection;

use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;

/**
 * @ORM\Entity
 * @ORM\Table(name="customer_metadata")
 * @UniqueEntity("customer")
 */

class CustomerMetadata
{
    // unique id
    /**
     * @ORM\Id
     * @ORM\Column(type="integer")
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    // customer
    /**
     * @ORM\OneToOne(targetEntity="Customer")
     * @ORM\JoinColumn(name="customer_id", referencedColumnName="id")
     */
    protected $customer;

    // other information, like locations
    /**
     * @ORM\Column(type="json")
     */
    protected $meta_info;

    public function __construct()
    {
        $this->meta_info = [];
    }

    public function getID()
    {
        return $this->id;
    }

    public function setCustomer(Customer $customer)
    {
        $this->customer = $customer;
        return $this;
    }

    public function getCustomer()
    {
        return $this->customer;
    }

    public function addMetaInfo($id, $value)
    {
        $this->meta_info[$id] = $value;
        return $this;
    }

    public function getMetaInfo($id)
    {
        // return null if we don't have it
        if (!isset($this->meta_info[$id]))
            return null;

        return $this->meta_info[$id];
    } 

    public function getAllMetaInfo()
    {
        return $this->meta_info;
    }

    public function popMetaInfo()
    {
        if (count($this->meta_info) > 0)
        {
            array_shift($this->meta_info);
        }
    }
}