<?php

namespace Catalyst\APIBundle\Entity;

use Symfony\Component\Security\Core\User\UserInterface;
use Doctrine\ORM\Mapping as ORM;
use Doctrine\ORM\Mapping\JoinColumn;
use Doctrine\Common\Collections\ArrayCollection;
use DateTime;

/**
 * @ORM\Entity
 * @ORM\Table(name="api_user")
 */
class User implements UserInterface
{
    // api key 
    /**
     * @ORM\Id
     * @ORM\Column(type="string", length=32)
     */
    protected $api_key;

    // secret key
    /**
     * @ORM\Column(type="string", length=32)
     */
    protected $secret_key;

    /**
     * @ORM\Column(type="string", length=80)
     */
    protected $name;

    // date created
    /**
     * @ORM\Column(type="datetime")
     */
    protected $date_create;

    // roles
    /**
     * @ORM\ManyToMany(targetEntity="Role", inversedBy="users")
     * @ORM\JoinTable(name="api_user_role",
     *           joinColumns={@JoinColumn(name="user_api_key", referencedColumnName="api_key")},
     *           inverseJoinColumns={@JoinColumn(name="role_id", referencedColumnName="id")})
     */
    protected $roles;

    public function __construct()
    {
        // generate keys
        $this->setAPIKey($this->generateAPIKey())
            ->setSecretKey($this->generateSecretKey());

        // set date created
        $this->date_create = new DateTime();

        $this->roles = new ArrayCollection();
    }

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

    public function setAPIKey($api_key)
    {
        $this->api_key = $api_key;
        return $this;
    }

    public function getAPIKey()
    {
        return $this->api_key;
    }

    public function setSecretKey($key)
    {
        $this->secret_key = $key;
        return $this;
    }

    public function getSecretKey()
    {
        return $this->secret_key;
    }

    public function setName($name)
    {
        $this->name = $name;
        return $this;
    }

    public function getName()
    {
        return $this->name;
    }

    public function getRoles()
    {
        $str_roles = [];
        foreach ($this->roles as $role)
            $str_roles[] = $role->getID();

        return $str_roles;
    }

    public function getRoleObjects()
    {
        return $this->roles;
    }

    public function getDateCreate()
    {
        return $this->date_create;
    }

    public function getPassword()
    {
        // we don't need this for API
        return 'notneeded';
    }

    public function getSalt()
    {
        return null;
    }

    public function getUsername()
    {
        // since it's an api, the api key IS the username
        return $this->api_key;
    }

    public function eraseCredentials()
    {
        return;
    }

    public function generateAPIKey()
    {
        return $this->generateKey('api');
    }

    public function generateSecretKey()
    {
        return $this->generateKey('secret');
    }

    protected function generateKey($prefix = '')
    {
        return md5(uniqid($prefix, true));
    }
}