<?php declare(strict_types=1);

/*
 * this file is part of the rapsys packbundle package.
 *
 * (c) raphaël gertz <symfony@rapsys.eu>
 *
 * for the full copyright and license information, please view the license
 * file that was distributed with this source code.
 */

namespace Rapsys\UserBundle\Entity;

use Doctrine\Common\Collections\Collection;
use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\ORM\Event\PreUpdateEventArgs;

use Rapsys\UserBundle\Entity\Civility;
use Rapsys\UserBundle\Entity\Group;

use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;

/**
 * User
 */
class User implements UserInterface, PasswordAuthenticatedUserInterface {
	/**
	 * Primary key
	 */
	protected ?int $id = null;

	/**
	 * Create datetime
	 */
	protected \DateTime $created;

	/**
	 * Update datetime
	 */
	protected \DateTime $updated;

	/**
	 * Groups collection
	 */
	protected Collection $groups;

	/**
	 * Constructor
	 *
	 * @param string $mail The user mail
	 * @param string $password The user password
	 * @param ?Civility $civility The user civility
	 * @param ?string $forename The user forename
	 * @param ?string $surname The user surname
	 * @param bool $active The user active
	 * @param bool $enable The user enable
	 */
	public function __construct(protected string $mail, protected string $password, protected ?Civility $civility = null, protected ?string $forename = null, protected ?string $surname = null, protected bool $active = false, protected bool $enable = true) {
		//Set defaults
		$this->created = new \DateTime('now');
		$this->updated = new \DateTime('now');

		//Set collections
		$this->groups = new ArrayCollection();
	}

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

	/**
	 * Set mail
	 *
	 * @param string $mail
	 * @return User
	 */
	public function setMail(string $mail): User {
		//Set mail
		$this->mail = $mail;

		return $this;
	}

	/**
	 * Get mail
	 *
	 * @return string
	 */
	public function getMail(): string {
		return $this->mail;
	}

	/**
	 * Set forename
	 *
	 * @param ?string $forename
	 *
	 * @return User
	 */
	public function setForename(?string $forename): User {
		$this->forename = $forename;

		return $this;
	}

	/**
	 * Get forename
	 *
	 * @return ?string
	 */
	public function getForename(): ?string {
		return $this->forename;
	}

	/**
	 * Set surname
	 *
	 * @param ?string $surname
	 *
	 * @return User
	 */
	public function setSurname(?string $surname): User {
		$this->surname = $surname;

		return $this;
	}

	/**
	 * Get surname
	 *
	 * @return ?string
	 */
	public function getSurname(): ?string {
		return $this->surname;
	}

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

		return $this;
	}

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

	/**
	 * Set active
	 *
	 * @param bool $active
	 *
	 * @return User
	 */
	public function setActive(bool $active): User {
		$this->active = $active;

		return $this;
	}

	/**
	 * Get active
	 *
	 * @return bool
	 */
	public function getActive(): bool {
		return $this->active;
	}

	/**
	 * Set enable
	 *
	 * @param bool $enable
	 *
	 * @return User
	 */
	public function setEnable(bool $enable): User {
		$this->enable = $enable;

		return $this;
	}

	/**
	 * Get enable
	 *
	 * @return bool
	 */
	public function getEnable(): bool {
		return $this->enable;
	}

	/**
	 * Set created
	 *
	 * @param \DateTime $created
	 *
	 * @return User
	 */
	public function setCreated(\DateTime $created): User {
		$this->created = $created;

		return $this;
	}

	/**
	 * Get created
	 *
	 * @return \DateTime
	 */
	public function getCreated(): \DateTime {
		return $this->created;
	}

	/**
	 * Set updated
	 *
	 * @param \DateTime $updated
	 *
	 * @return User
	 */
	public function setUpdated(\DateTime $updated): User {
		$this->updated = $updated;

		return $this;
	}

	/**
	 * Get updated
	 *
	 * @return \DateTime
	 */
	public function getUpdated(): \DateTime {
		return $this->updated;
	}

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

		return $this;
	}

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

	/**
	 * Add group
	 *
	 * @param Group $group
	 *
	 * @return User
	 */
	public function addGroup(Group $group): User {
		$this->groups[] = $group;

		return $this;
	}

	/**
	 * Remove group
	 *
	 * @param Group $group
	 *
	 * @return Doctrine\Common\Collections\Collection
	 */
	public function removeGroup(Group $group): Collection {
		return $this->groups->removeElement($group);
	}

	/**
	 * Get groups
	 *
	 * @return Doctrine\Common\Collections\Collection
	 */
	public function getGroups(): Collection {
		return $this->groups;
	}

	/**
	 * {@inheritdoc}
	 */
	public function getRoles(): array {
		//Get the unique roles list by id
		return array_unique(array_reduce(
			//Cast groups as array
			$this->groups->toArray(),
			//Reduce to an array of id => group tuples
			function ($array, $group) {
				$array[$group->getId()] = $group->getRole();
				return $array;
			},
			//Init with empty array
			//XXX: on registration, add each group present in rapsysuser.default.group array to user
			//XXX: see vendor/rapsys/userbundle/Controller/DefaultController.php +450
			[]
		));
	}

	/**
	 * {@inheritdoc}
	 */
	public function getRole(): ?string {
		//Retrieve roles
		$roles = $this->getRoles();

		//With roles array empty
		if ($roles === []) {
			//Return null
			return null;
		}

		//Return the role with max id
		//XXX: should be rewriten if it change in your configuration
		return $roles[array_reduce(
			array_keys($roles),
			function($cur, $id) {
				if ($cur === null || $id > $cur) {
					return $id;
				}
				return $cur;
			},
			null
		)];
	}

	/**
	 * {@inheritdoc}
	 */
	public function getSalt(): ?string {
		//No salt required with bcrypt
		return null;
	}

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

	/**
	 * {@inheritdoc}
	 */
	public function getUserIdentifier(): string {
		return $this->mail;
	}

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

	/**
	 * {@inheritdoc}
	 */
	public function __serialize(): array {
		return [
			$this->id,
			$this->mail,
			$this->forename,
			$this->surname,
			$this->password,
			$this->active,
			$this->enable,
			$this->created,
			$this->updated
		];
	}

	/**
	 * {@inheritdoc}
	 */
	public function __unserialize(array $data): void {
		list(
			$this->id,
			$this->mail,
			$this->forename,
			$this->surname,
			$this->password,
			$this->active,
			$this->enable,
			$this->created,
			$this->updated
		) = $data;
	}

	/**
	 * Check if account is activated
	 *
	 * @see vendor/rapsys/userbundle/Checker/UserChecker.php
	 */
	public function isActivated(): bool {
		return $this->active;
	}

	/**
	 * Check if account is enabled
	 *
	 * @see vendor/symfony/security-core/User/InMemoryUserChecker.php
	 */
	public function isEnabled(): bool {
		return $this->enable;
	}

	/**
	 * {@inheritdoc}
	 */
	public function preUpdate(PreUpdateEventArgs $eventArgs) {
		//Check that we have an user instance
		if (($user = $eventArgs->getObject()) instanceof User) {
			//Set updated value
			$user->setUpdated(new \DateTime('now'));
		}
	}

	/**
	 * Returns a recipient name of the user
	 *
	 * @return string
	 */
	public function getRecipientName(): string {
		//Without forename and surname
		if (empty($this->forename) && empty($this->surname)) {
			//Return recipient name from mail
			return ucwords(trim(preg_replace('/[^a-zA-Z]+/', ' ', current(explode('@', $this->mail)))));
		}

		//Return recipient name from forename and surname
		return implode(' ', [$this->forename, $this->surname]);
	}

	/**
	 * Returns a string representation of the user
	 *
	 * @return string
	 */
	public function __toString(): string {
		return $this->civility.' '.$this->forename.' '.$this->surname;
	}
}