<?php

/**
 * @file
 * Testing functionality for Title module.
 */

/**
 * Implements hook_entity_info().
 */
function title_test_entity_info() {
  $info = array();

  $field = array(
    'type' => 'text',
    'cardinality' => 1,
    'translatable' => TRUE,
  );

  $instance = array(
    'required' => TRUE,
    'settings' => array(
      'text_processing' => 0,
    ),
    'widget' => array(
      'weight' => -5,
    ),
  );

  $info['test_entity'] = array(
    'entity keys' => array(
      'label' => 'ftlabel',
    ),
    'field replacement' => array(
      'ftlabel' => array(
        'field' => $field,
        'instance' => array(
          'label' => t('Title'),
          'description' => t('A field replacing node title.'),
        ) + $instance,
      ),
    ),
    'controller class' => 'EntityAPIController',
  );

  return $info;
}

/**
 * Save the given test entity.
 */
function title_test_entity_save($entity) {
  // field_test_entity_save does not invoke hook_entity_presave().
  module_invoke_all('entity_presave', $entity, 'test_entity');
  field_test_entity_save($entity);
  // field_test_entity_save does not invoke hook_entity_insert().
  $hook = $entity->is_new ? 'entity_insert' : 'entity_update';
  module_invoke_all($hook, $entity, 'test_entity');
}

/**
 * Load the given test entity.
 */
function title_test_entity_test_load($entity) {
  $entity = field_test_entity_test_load($entity->ftid);
  // field_test_entity_load does not invoke hook_entity_load().
  module_invoke_all('entity_load', array($entity), 'test_entity');
  return $entity;
}

/**
 * Store a value for the given phase.
 */
function title_test_phase_store($phase = NULL, $value = NULL) {
  $store = &drupal_static(__FUNCTION__, array());
  if (isset($phase)) {
    $store[$phase] = $value;
  }
  return $store;
}

/**
 * Check the entity label at a give phase.
 */
function title_test_phase_check($phase, $entity) {
  $info = entity_get_info('test_entity');
  $label_key = $info['entity keys']['label'];
  $field_name = $label_key . '_field';
  $langcode = LANGUAGE_NONE;
  if (isset($entity->type)) {
    $langcode = entity_language($entity->type, $entity);
  }
  $value = $entity->{$label_key} == $entity->{$field_name}[$langcode][0]['value'];
  title_test_phase_store($phase, $value);
  return $value;
}

/**
 * Implements hook_entity_presave().
 */
function title_test_entity_presave($entity, $type) {
  if ($type == 'test_entity') {
    $info = entity_get_info('test_entity');
    $label_key = $info['entity keys']['label'];
    $entity->{$label_key} = DrupalWebTestCase::randomName();
  }
}

/**
 * Implements hook_field_attach_load().
 */
function title_test_field_attach_load($entity_type, $entities, $age, $options) {
  if ($entity_type == 'test_entity') {
    title_test_phase_check('field_attach_load', current($entities));
  }
}

/**
 * Implements hook_entity_load().
 */
function title_test_entity_load($entities, $type) {
  if ($type == 'test_entity') {
    title_test_phase_check('entity_load', current($entities));
  }
}

/**
 * Implements hook_entity_prepare_view().
 */
function title_test_entity_prepare_view($entities, $type, $langcode = NULL) {
  if ($type == 'test_entity') {
    title_test_phase_check('entity_prepare_view', current($entities));
  }
}
