<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Security\Core\User;

/**
 * User is the user implementation used by the in-memory user provider.
 *
 * This should not be used for anything else.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
final class User implements AdvancedUserInterface
{
    private $username;
    private $password;
    private $accountNonExpired;
    private $credentialsNonExpired;
    private $accountNonLocked;
    private $roles;

    public function __construct($username, $password, array $roles = array(), $enabled = true, $userNonExpired = true, $credentialsNonExpired = true, $userNonLocked = true)
    {
        if (empty($username)) {
            throw new \InvalidArgumentException('The username cannot be empty.');
        }

        $this->username = $username;
        $this->password = $password;
        $this->enabled = $enabled;
        $this->accountNonExpired = $userNonExpired;
        $this->credentialsNonExpired = $credentialsNonExpired;
        $this->accountNonLocked = $userNonLocked;
        $this->roles = $roles;
    }

    /**
     * {@inheritdoc}
     */
    public function getRoles()
    {
        return $this->roles;
    }

    /**
     * {@inheritdoc}
     */
    public function getPassword()
    {
        return $this->password;
    }

    /**
     * {@inheritdoc}
     */
    public function getSalt()
    {
        return null;
    }

    /**
     * {@inheritdoc}
     */
    public function getUsername()
    {
        return $this->username;
    }

    /**
     * {@inheritdoc}
     */
    public function isAccountNonExpired()
    {
        return $this->accountNonExpired;
    }

    /**
     * {@inheritdoc}
     */
    public function isAccountNonLocked()
    {
        return $this->accountNonLocked;
    }

    /**
     * {@inheritdoc}
     */
    public function isCredentialsNonExpired()
    {
        return $this->credentialsNonExpired;
    }

    /**
     * {@inheritdoc}
     */
    public function isEnabled()
    {
        return $this->enabled;
    }

    /**
     * {@inheritdoc}
     */
    public function eraseCredentials()
    {
    }

    /**
     * {@inheritDoc}
     */
    public function equals(UserInterface $user)
    {
        if (!$user instanceof User) {
            return false;
        }

        if ($this->password !== $user->getPassword()) {
            return false;
        }

        if ($this->getSalt() !== $user->getSalt()) {
            return false;
        }

        if ($this->username !== $user->getUsername()) {
            return false;
        }

        if ($this->accountNonExpired !== $user->isAccountNonExpired()) {
            return false;
        }

        if ($this->accountNonLocked !== $user->isAccountNonLocked()) {
            return false;
        }

        if ($this->credentialsNonExpired !== $user->isCredentialsNonExpired()) {
            return false;
        }

        if ($this->enabled !== $user->isEnabled()) {
            return false;
        }

        return true;
    }
}
