class UserDevelGenerate

class UserDevelGenerate extends DevelGenerateBase implements ContainerFactoryPluginInterface {
    
    /**
     * The user storage.
     */
    protected UserStorageInterface $userStorage;
    
    /**
     * The date formatter service.
     */
    protected DateFormatterInterface $dateFormatter;
    
    /**
     * Provides system time.
     */
    protected TimeInterface $time;
    
    /**
     * The role storage.
     */
    protected RoleStorageInterface $roleStorage;
    
    /**
     * {@inheritdoc}
     */
    public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) : static {
        $entity_type_manager = $container->get('entity_type.manager');
        $instance = parent::create($container, $configuration, $plugin_id, $plugin_definition);
        $instance->userStorage = $entity_type_manager->getStorage('user');
        $instance->dateFormatter = $container->get('date.formatter');
        $instance->time = $container->get('datetime.time');
        $instance->roleStorage = $entity_type_manager->getStorage('user_role');
        return $instance;
    }
    
    /**
     * {@inheritdoc}
     */
    public function settingsForm(array $form, FormStateInterface $form_state) : array {
        $form['num'] = [
            '#type' => 'number',
            '#title' => $this->t('How many users would you like to generate?'),
            '#default_value' => $this->getSetting('num'),
            '#required' => TRUE,
            '#min' => 0,
        ];
        $form['kill'] = [
            '#type' => 'checkbox',
            '#title' => $this->t('Delete all users (except user id 1) before generating new users.'),
            '#default_value' => $this->getSetting('kill'),
        ];
        $roles = array_map(static fn($role): string => $role->label(), $this->roleStorage
            ->loadMultiple());
        unset($roles[AccountInterface::AUTHENTICATED_ROLE], $roles[AccountInterface::ANONYMOUS_ROLE]);
        $form['roles'] = [
            '#type' => 'checkboxes',
            '#title' => $this->t('Which roles should the users receive?'),
            '#description' => $this->t('Users always receive the <em>authenticated user</em> role.'),
            '#options' => $roles,
        ];
        $form['pass'] = [
            '#type' => 'textfield',
            '#title' => $this->t('Password to be set'),
            '#default_value' => $this->getSetting('pass'),
            '#size' => 32,
            '#description' => $this->t('Leave this field empty if you do not need to set a password'),
        ];
        $options = [
            1 => $this->t('Now'),
        ];
        foreach ([
            3600,
            86400,
            604800,
            2592000,
            31536000,
        ] as $interval) {
            $options[$interval] = $this->dateFormatter
                ->formatInterval($interval, 1) . ' ' . $this->t('ago');
        }
        $form['time_range'] = [
            '#type' => 'select',
            '#title' => $this->t('How old should user accounts be?'),
            '#description' => $this->t('User ages will be distributed randomly from the current time, back to the selected time.'),
            '#options' => $options,
            '#default_value' => 604800,
        ];
        return $form;
    }
    
    /**
     * {@inheritdoc}
     */
    protected function generateElements(array $values) : void {
        $num = $values['num'];
        $kill = $values['kill'];
        $pass = $values['pass'];
        $age = $values['time_range'];
        $roles = array_filter($values['roles']);
        if ($kill) {
            $uids = $this->userStorage
                ->getQuery()
                ->condition('uid', 1, '>')
                ->accessCheck(FALSE)
                ->execute();
            $users = $this->userStorage
                ->loadMultiple($uids);
            $this->userStorage
                ->delete($users);
            $this->setMessage($this->formatPlural(count($uids), '1 user deleted', '@count users deleted.'));
        }
        if ($num > 0) {
            $names = [];
            while (count($names) < $num) {
                $name = $this->getRandom()
                    ->word(mt_rand(6, 12));
                $names[$name] = '';
            }
            if ($roles === []) {
                $roles = [
                    AccountInterface::AUTHENTICATED_ROLE,
                ];
            }
            foreach (array_keys($names) as $name) {
                
                /** @var \Drupal\user\UserInterface $account */
                $account = $this->userStorage
                    ->create([
                    'uid' => NULL,
                    'name' => $name,
                    'pass' => $pass,
                    'mail' => $name . '@example.com',
                    'status' => 1,
                    'created' => $this->time
                        ->getRequestTime() - mt_rand(0, $age),
                    'roles' => array_values($roles),
                    // A flag to let hook_user_* know that this is a generated user.
'devel_generate' => TRUE,
                ]);
                // Populate all fields with sample values.
                $this->populateFields($account);
                $account->save();
            }
        }
        $this->setMessage($this->t('@num_users created.', [
            '@num_users' => $this->formatPlural($num, '1 user', '@count users'),
        ]));
    }
    
    /**
     * {@inheritdoc}
     */
    public function validateDrushParams(array $args, array $options = []) : array {
        return [
            'num' => array_shift($args),
            'time_range' => 0,
            'roles' => self::csvToArray($options['roles']),
            'kill' => $options['kill'],
            'pass' => $options['pass'],
        ];
    }

}