<?php

declare(strict_types=1);

/*
 * Chill is a software for social workers
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Chill\MainBundle\Entity;

use DateTimeImmutable;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\Common\Collections\Collection;
use Doctrine\ORM\Mapping as ORM;
use RuntimeException;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Serializer\Annotation as Serializer;

use Symfony\Component\Validator\Context\ExecutionContextInterface;
use function in_array;

/**
 * User.
 *
 * @ORM\Entity
 * @ORM\Table(name="users")
 * @ORM\Cache(usage="NONSTRICT_READ_WRITE", region="acl_cache_region")
 * @Serializer\DiscriminatorMap(typeProperty="type", mapping={
 *     "user": User::class
 * })
 */
class User implements UserInterface
{
    /**
     * @ORM\Id
     * @ORM\Column(name="id", type="integer")
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected ?int $id = null;

    /**
     * @ORM\Column(type="datetime_immutable", nullable=true)
     */
    private ?DateTimeImmutable $absenceStart = null;

    /**
     * Array where SAML attributes's data are stored.
     *
     * @ORM\Column(type="json", nullable=false)
     */
    private array $attributes = [];

    /**
     * @ORM\ManyToOne(targetEntity=Civility::class)
     */
    private ?Civility $civility = null;

    /**
     * @ORM\ManyToOne(targetEntity=Location::class)
     */
    private ?Location $currentLocation = null;

    /**
     * @ORM\Column(type="string", length=150, nullable=true)
     */
    private ?string $email = null;

    /**
     * @ORM\Column(
     *     type="string",
     *     length=150,
     *     nullable=true,
     * unique=true)
     */
    private ?string $emailCanonical = null;

    /**
     * @ORM\Column(type="boolean")
     */
    private bool $enabled = true;

    /**
     * @ORM\ManyToMany(
     *     targetEntity="Chill\MainBundle\Entity\GroupCenter",
     * inversedBy="users")
     * @ORM\Cache(usage="NONSTRICT_READ_WRITE")
     */
    private Collection $groupCenters;

    /**
     * @ORM\Column(type="string", length=200)
     */
    private string $label = '';

    /**
     * @ORM\Column(type="boolean")
     *      sf4 check: in yml was false by default !?
     */
    private bool $locked = true;

    /**
     * @ORM\ManyToOne(targetEntity=Center::class)
     */
    private ?Center $mainCenter = null;

    /**
     * @ORM\ManyToOne(targetEntity=Location::class)
     */
    private ?Location $mainLocation = null;

    /**
     * @ORM\ManyToOne(targetEntity=Scope::class)
     */
    private ?Scope $mainScope = null;

    /**
     * @ORM\Column(type="string", length=255)
     */
    private string $password = '';

    /**
     * @internal must be set to null if we use bcrypt
     *
     * @ORM\Column(type="string", length=255, nullable=true)
     */
    private ?string $salt = null;

    /**
     * @ORM\ManyToOne(targetEntity=UserJob::class)
     */
    private ?UserJob $userJob = null;

    /**
     * @ORM\Column(type="string", length=80)
     */
    private string $username = '';

    /**
     * @ORM\Column(
     *     type="string",
     *     length=80,
     *     unique=true,
     * nullable=true)
     */
    private ?string $usernameCanonical = null;

    /**
     * User constructor.
     */
    public function __construct()
    {
        $this->groupCenters = new ArrayCollection();
    }

    /**
     * @return string
     */
    public function __toString()
    {
        return $this->getLabel();
    }

    /**
     * @param \Chill\MainBundle\Entity\GroupCenter $groupCenter
     *
     * @return \Chill\MainBundle\Entity\User
     */
    public function addGroupCenter(GroupCenter $groupCenter)
    {
        $this->groupCenters->add($groupCenter);

        return $this;
    }

    public function eraseCredentials()
    {
    }

    public function getAbsenceStart(): ?DateTimeImmutable
    {
        return $this->absenceStart;
    }

    /**
     * Get attributes.
     *
     * @return array
     */
    public function getAttributes()
    {
        if (null === $this->attributes) {
            $this->attributes = [];
        }

        return $this->attributes;
    }

    public function getCivility(): ?Civility
    {
        return $this->civility;
    }

    public function getCurrentLocation(): ?Location
    {
        return $this->currentLocation;
    }

    /**
     * @return string
     */
    public function getEmail(): ?string
    {
        return $this->email;
    }

    /**
     * @return string
     */
    public function getEmailCanonical()
    {
        return $this->emailCanonical;
    }

    /**
     * @return Collection<GroupCenter>
     */
    public function getGroupCenters()
    {
        return $this->groupCenters;
    }

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

    public function getLabel(): string
    {
        return $this->label;
    }

    public function getMainCenter(): ?Center
    {
        return $this->mainCenter;
    }

    public function getMainLocation(): ?Location
    {
        return $this->mainLocation;
    }

    public function getMainScope(): ?Scope
    {
        return $this->mainScope;
    }

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

    public function getRoles(): array
    {
        return ['ROLE_USER'];
    }

    /**
     * @return string|null
     */
    public function getSalt()
    {
        return $this->salt;
    }

    public function getUserJob(): ?UserJob
    {
        return $this->userJob;
    }

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

    /**
     * @return string
     */
    public function getUsernameCanonical()
    {
        return $this->usernameCanonical;
    }

    public function isAbsent(): bool
    {
        return null !== $this->getAbsenceStart() && $this->getAbsenceStart() <= new DateTimeImmutable('now');
    }

    /**
     * @return bool
     */
    public function isAccountNonExpired()
    {
        return true;
    }

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

    /**
     * @return bool
     */
    public function isCredentialsNonExpired()
    {
        return true;
    }

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

    /**
     * This function check that groupCenter are present only once. The validator
     * use this function to avoid a user to be associated to the same groupCenter
     * more than once.
     */
    public function isGroupCenterPresentOnce(ExecutionContextInterface $context)
    {
        $groupCentersIds = [];

        foreach ($this->getGroupCenters() as $groupCenter) {
            if (in_array($groupCenter->getId(), $groupCentersIds, true)) {
                $context->buildViolation('The user has already those permissions')
                    ->addViolation();
            } else {
                $groupCentersIds[] = $groupCenter->getId();
            }
        }
    }

    /**
     * @param \Chill\MainBundle\Entity\GroupCenter $groupCenter
     *
     * @throws RuntimeException if the groupCenter is not in the collection
     */
    public function removeGroupCenter(GroupCenter $groupCenter)
    {
        if ($this->groupCenters->removeElement($groupCenter) === false) {
            throw new RuntimeException('The groupCenter could not be removed, '
                    . 'it seems not to be associated with the user. Aborting.');
        }
    }

    public function setAbsenceStart(?DateTimeImmutable $absenceStart): void
    {
        $this->absenceStart = $absenceStart;
    }

    public function setAttributeByDomain(string $domain, string $key, $value): self
    {
        $this->attributes[$domain][$key] = $value;

        return $this;
    }

    /**
     * Merge the attributes with existing attributes.
     *
     * Only the key provided will be created or updated. For a two-level array, use @see{User::setAttributeByDomain}
     */
    public function setAttributes(array $attributes): self
    {
        $this->attributes = array_merge($this->attributes, $attributes);

        return $this;
    }

    public function setCivility(?Civility $civility): User
    {
        $this->civility = $civility;

        return $this;
    }

    public function setCurrentLocation(?Location $currentLocation): User
    {
        $this->currentLocation = $currentLocation;

        return $this;
    }

    /**
     * @param $email
     *
     * @return $this
     */
    public function setEmail($email)
    {
        $this->email = $email;

        return $this;
    }

    /**
     * @param $emailCanonical
     *
     * @return $this
     */
    public function setEmailCanonical($emailCanonical)
    {
        $this->emailCanonical = $emailCanonical;

        return $this;
    }

    public function setEnabled(bool $enabled)
    {
        $this->enabled = $enabled;

        return $this;
    }

    public function setLabel(string $label): User
    {
        $this->label = $label;

        return $this;
    }

    public function setMainCenter(?Center $mainCenter): User
    {
        $this->mainCenter = $mainCenter;

        return $this;
    }

    public function setMainLocation(?Location $mainLocation): User
    {
        $this->mainLocation = $mainLocation;

        return $this;
    }

    public function setMainScope(?Scope $mainScope): User
    {
        $this->mainScope = $mainScope;

        return $this;
    }

    /**
     * @param $password
     *
     * @return $this
     */
    public function setPassword($password)
    {
        $this->password = $password;

        return $this;
    }

    /**
     * @param $salt
     *
     * @return $this
     */
    public function setSalt($salt)
    {
        $this->salt = $salt;

        return $this;
    }

    public function setUserJob(?UserJob $userJob): User
    {
        $this->userJob = $userJob;

        return $this;
    }

    /**
     * Set username.
     *
     * @param string $name
     *
     * @return User
     */
    public function setUsername(?string $name)
    {
        $this->username = (string) $name;

        if ("" === trim($this->getLabel())) {
            $this->setLabel($name);
        }

        return $this;
    }

    /**
     * @param $usernameCanonical
     *
     * @return $this
     */
    public function setUsernameCanonical($usernameCanonical)
    {
        $this->usernameCanonical = $usernameCanonical;

        return $this;
    }

    public function unsetAttribute($key): self
    {
        unset($this->attributes[$key]);

        return $this;
    }
}