<?php

namespace Payment\Entity;

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

/**
 * @ORM\Entity(repositoryClass="Payment\Repository\PaymentGroupRepository")
 */
class PaymentGroup
{
    /**
     * @ORM\Id
     * @ORM\GeneratedValue
     * @ORM\Column(type="integer")
     */
    private $id;

    /**
     * @var $publicKey string
     * @ORM\Column(type="string")
     */
    private $publicKey;

    /**
     * @var $name
     * @ORM\Column(type="string")
     */
    private $groupName;

    /**
     * @var $paymentsModes Collection
     * @ORM\ManyToMany(targetEntity="Payment\Entity\PaymentMode", mappedBy="groups", cascade={"persist"})
     * @ORM\JoinColumn(nullable=true)
     */
    private $paymentsModes;

    /**
     * @var $deleted boolean
     * @ORM\Column(type="boolean")
     */
    private $deleted;

    public function __construct()
    {
        $this->publicKey = $this->generateToken(64);
        $this->deleted = 0;
        $this->paymentsModes = new ArrayCollection();
    }

    /**
     * @param int $length
     * @return bool|string
     */
    private function generateToken($length = 64){
        $hash = "";
        while(strlen($hash) < $length){
            try {
                $hash .= hash('sha512', random_bytes($length));
            } catch (\Exception $e) {
                $hash .= hash('sha512', mt_rand(0,$length*10000));
            }
        }
        return substr($hash, 0,$length);
    }

    public function getId(): ?int
    {
        return $this->id;
    }

    public function getPublicKey(): ?string
    {
        return $this->publicKey;
    }

    public function getGroupName(): ?string
    {
        return $this->groupName;
    }

    public function setGroupName(string $groupName): self
    {
        $this->groupName = $groupName;

        return $this;
    }

    public function getDeleted(): ?bool
    {
        return $this->deleted;
    }

    public function setDeleted(bool $deleted): self
    {
        $this->deleted = $deleted;

        return $this;
    }

    public function setPublicKey(string $publicKey): self
    {
        $this->publicKey = $publicKey;

        return $this;
    }

    /**
     * @return Collection|PaymentMode[]
     */
    public function getPaymentsModes(): Collection
    {
        return $this->paymentsModes;
    }

    public function addPaymentsMode(PaymentMode $paymentsMode): self
    {
        if (!$this->paymentsModes->contains($paymentsMode)) {
            $this->paymentsModes[] = $paymentsMode;
            $paymentsMode->addGroup($this);
        }

        return $this;
    }

    public function removePaymentsMode(PaymentMode $paymentsMode): self
    {
        if ($this->paymentsModes->contains($paymentsMode)) {
            $this->paymentsModes->removeElement($paymentsMode);
            $paymentsMode->removeGroup($this);
        }

        return $this;
    }

}