<?php

namespace Drupal\quantity\Entity;

use Drupal\Core\Entity\EntityChangedTrait;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Entity\RevisionLogEntityTrait;
use Drupal\Core\Field\BaseFieldDefinition;
use Drupal\entity\Revision\RevisionableContentEntityBase;
use Drupal\user\EntityOwnerTrait;

/**
 * Defines the Quantity entity.
 *
 * @ingroup quantity
 *
 * @ContentEntityType(
 *   id = "quantity",
 *   label = @Translation("Quantity"),
 *   label_collection = @Translation("Quantities"),
 *   label_singular = @Translation("quantity"),
 *   label_plural = @Translation("quantities"),
 *   label_count = @PluralTranslation(
 *     singular = "@count quantity",
 *     plural = "@count quantities",
 *   ),
 *   handlers = {
 *     "storage" = "Drupal\Core\Entity\Sql\SqlContentEntityStorage",
 *     "access" = "\Drupal\entity\UncacheableEntityAccessControlHandler",
 *     "inline_form" = "\Drupal\quantity\Form\QuantityInlineForm",
 *     "list_builder" = "\Drupal\quantity\QuantityListBuilder",
 *     "permission_provider" = "\Drupal\entity\UncacheableEntityPermissionProvider",
 *     "view_builder" = "Drupal\quantity\QuantityViewBuilder",
 *     "views_data" = "Drupal\quantity\QuantityViewsData",
 *     "form" = {
 *       "default" = "Drupal\Core\Entity\ContentEntityForm",
 *       "add" = "Drupal\Core\Entity\ContentEntityForm",
 *       "edit" = "Drupal\Core\Entity\ContentEntityForm",
 *       "delete" = "Drupal\Core\Entity\ContentEntityDeleteForm",
 *       "delete-multiple-confirm" = "Drupal\Core\Entity\Form\DeleteMultipleForm",
 *     },
 *     "route_provider" = {
 *       "default" = "Drupal\entity\Routing\AdminHtmlRouteProvider",
 *       "revision" = "\Drupal\entity\Routing\RevisionRouteProvider",
 *     },
 *     "local_task_provider" = {
 *       "default" = "Drupal\entity\Menu\DefaultEntityLocalTaskProvider",
 *     },
 *   },
 *   base_table = "quantity",
 *   revision_table = "quantity_revision",
 *   translatable = FALSE,
 *   revisionable = TRUE,
 *   show_revision_ui = FALSE,
 *   admin_permission = "administer quantity",
 *   permission_granularity = "bundle",
 *   entity_keys = {
 *     "id" = "id",
 *     "revision" = "revision_id",
 *     "bundle" = "type",
 *     "label" = "label",
 *     "owner" = "uid",
 *     "uuid" = "uuid",
 *   },
 *   bundle_entity_type = "quantity_type",
 *   common_reference_target = TRUE,
 *   revision_metadata_keys = {
 *     "revision_user" = "revision_user",
 *     "revision_created" = "revision_created",
 *     "revision_log_message" = "revision_log_message"
 *   },
 * )
 */
class Quantity extends RevisionableContentEntityBase implements QuantityInterface {

  use EntityChangedTrait;
  use EntityOwnerTrait;
  use RevisionLogEntityTrait;

  /**
   * {@inheritdoc}
   */
  public function label() {
    return $this->id->value;
  }

  /**
   * {@inheritdoc}
   */
  public function getCreatedTime() {
    return $this->get('created')->value;
  }

  /**
   * {@inheritdoc}
   */
  public function setCreatedTime($timestamp) {
    $this->set('created', $timestamp);
    return $this;
  }

  /**
   * {@inheritdoc}
   */
  public static function getCurrentUserId() {
    return [\Drupal::currentUser()->id()];
  }

  /**
   * {@inheritdoc}
   */
  public static function getRequestTime() {
    return \Drupal::time()->getRequestTime();
  }

  /**
   * {@inheritdoc}
   */
  public function getBundleLabel() {
    /** @var \Drupal\quantity\Entity\QuantityTypeInterface $type */
    $type = $this->entityTypeManager()
      ->getStorage('quantity_type')
      ->load($this->bundle());
    return $type->label();
  }

  /**
   * {@inheritdoc}
   */
  public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
    $fields = parent::baseFieldDefinitions($entity_type);
    $fields += static::ownerBaseFieldDefinitions($entity_type);
    $fields += static::revisionLogBaseFieldDefinitions($entity_type);

    $fields['measure'] = BaseFieldDefinition::create('list_string')
      ->setLabel(t('Measure'))
      ->setDescription(t('The measure of the quantity.'))
      ->setRevisionable(TRUE)
      ->setSettings([
        'allowed_values_function' => 'quantity_measure_field_allowed_values',
      ])
      ->setDisplayOptions('view', [
        'label' => 'hidden',
        'type' => 'list_default',
        'weight' => 0,
      ])
      ->setDisplayOptions('form', [
        'type' => 'options_select',
        'weight' => 0,
      ])
      ->setDisplayConfigurable('form', FALSE)
      ->setDisplayConfigurable('view', FALSE);

    $fields['value'] = BaseFieldDefinition::create('fraction')
      ->setLabel(t('Value'))
      ->setDescription(t('Value of the quantity.'))
      ->setRevisionable(TRUE)
      ->setDisplayOptions('view', [
        'label' => 'hidden',
        'type' => 'fraction_decimal',
        'weight' => 5,
        'settings' => [
          'precision' => 0,
          'auto_precision' => TRUE,
          'separator' => '/',
          'prefix_suffix' => FALSE,
        ],
      ])
      ->setDisplayOptions('form', [
        'type' => 'fraction_decimal',
        'weight' => 5,
        'settings' => [
          'precision' => 0,
          'auto_precision' => TRUE,
        ],
      ])
      ->setDisplayConfigurable('form', FALSE)
      ->setDisplayConfigurable('view', FALSE);

    $fields['units'] = BaseFieldDefinition::create('entity_reference')
      ->setLabel(t('Units'))
      ->setDescription(t('Units of the quantity.'))
      ->setSetting('target_type', 'taxonomy_term')
      ->setSetting('handler_settings', [
        'target_bundles' => [
          'unit' => 'unit',
        ],
        'auto_create' => TRUE,
        'auto_create_bundle' => 'unit',
      ])
      ->setSetting('handler', 'default')
      ->setRevisionable(TRUE)
      ->setDisplayOptions('view', [
        'label' => 'hidden',
        'type' => 'entity_reference_label',
        'settings' => [
          'link' => FALSE,
        ],
        'weight' => 10,
      ])
      ->setDisplayOptions('form', [
        'type' => 'entity_reference_autocomplete',
        'weight' => 10,
      ])
      ->setDisplayConfigurable('form', FALSE)
      ->setDisplayConfigurable('view', FALSE);

    $fields['label'] = BaseFieldDefinition::create('string')
      ->setLabel(t('Label'))
      ->setDescription(t('Label of the quantity.'))
      ->setRevisionable(TRUE)
      ->setDefaultValue('')
      ->setSetting('max_length', 255)
      ->setSetting('text_processing', 0)
      ->setDisplayOptions('view', [
        'label' => 'hidden',
        'type' => 'string',
        'weight' => 15,
      ])
      ->setDisplayOptions('form', [
        'type' => 'string_textfield',
        'weight' => 15,
      ])
      ->setDisplayConfigurable('form', FALSE)
      ->setDisplayConfigurable('view', FALSE);

    $fields['uid'] = BaseFieldDefinition::create('entity_reference')
      ->setLabel(t('Authored by'))
      ->setDescription(t('The user ID of author of the quantity.'))
      ->setRevisionable(TRUE)
      ->setSetting('target_type', 'user')
      ->setSetting('handler', 'default')
      ->setDefaultValueCallback('Drupal\quantity\Entity\Quantity::getCurrentUserId')
      ->setDisplayOptions('view', [
        'region' => 'hidden',
      ])
      ->setDisplayOptions('form', [
        'region' => 'hidden',
      ])
      ->setDisplayConfigurable('form', FALSE)
      ->setDisplayConfigurable('view', FALSE);

    $fields['created'] = BaseFieldDefinition::create('created')
      ->setLabel(t('Authored on'))
      ->setDescription(t('The time that the quantity was created.'))
      ->setRevisionable(TRUE)
      ->setDefaultValueCallback(static::class . '::getRequestTime')
      ->setDisplayOptions('view', [
        'region' => 'hidden',
      ])
      ->setDisplayOptions('form', [
        'region' => 'hidden',
      ])
      ->setDisplayConfigurable('form', FALSE)
      ->setDisplayConfigurable('view', FALSE);

    $fields['changed'] = BaseFieldDefinition::create('changed')
      ->setLabel(t('Changed'))
      ->setDescription(t('The time the quantity was last edited.'))
      ->setRevisionable(TRUE);

    return $fields;
  }

}
