<?php

define("CALENDAR_VOCAB", 'Event Type');

/**
 * Placeholder to ensure migrations from older versions do not fail.
 */
function atrium_calendar_install() {

  $vocabs = taxonomy_get_vocabularies();
  foreach ($vocabs as $vocab) {
    if ($vocab->name == CALENDAR_VOCAB) {
        $vid = $vocab->vid;
    }
  }
  
  if (!$vid) {
    _atrium_calendar_create_vocab();
    $vid = db_last_insert_id('vocabulary', 'vid');
    $new = TRUE;
  }
  
  variable_set('atrium_calendar_vocab', $vid);
  
  if($vid){
    _atrium_calendar_create_terms($vid, $new);
  }else{
    drupal_set_message(t('Something went wrong, no vocabulary found or created'),'error');
  }

}

/**
 * Update 6200: Install Feeds.
 */
function atrium_calendar_update_6200() {
  drupal_install_modules(array('ctools', 'feeds'));
  $modules = module_list();
  if (!isset($modules['feeds'])) {
    return array('#abort' => array('success' => FALSE, 'query' => 'Could not enable Feeds.'));
  }
  return array(array('success' => TRUE, 'query' => 'Enabled Feeds successfully.'));
}

/**
 * Update 6201: Migrate existing feed nodes.
 */
function atrium_calendar_update_6201() {
  $ret = array();

  if (drupal_get_path('module', 'feedapi2feeds')) {
    module_load_include('php', 'feedapi2feeds', 'feedapi2feeds');
    $migration = new FeedAPI2Feeds();
    try {
      $migration->migrateType('feed_ical');
    }
    catch (Exception $e) {
      $ret[] = array('success' => TRUE, 'query' => $e->getMessage());
    }
    $msgs = $migration->getMessages();
    foreach ($msgs as $msg) {
      $ret[] = array('success' => TRUE, 'query' => $msg);
    }
  }
  return $ret;
}

/**
 * Update for Kit compliance
 */
function atrium_calendar_update_6202() {
  
  $components = array(
    'views' => array(
      'atrium_calendar' => array(
        'calendar_listing' => array(
          'block_1' => array(
            'module' => 'views',
            'delta' => 'block_1',
          ),
        ),
      ),
      'atrium_calendar_feed_items' => array(
        'calendar_feed_items' => array(
          'block_1' => array(
            'module' => 'views',
            'delta' => 'block_1',
          ),
        ),
      ),
      'atrium_calendar_feeds' => array(
        'calendar_feeds' => array(
        ),
      ),
      'atrium_calendar_upcoming' => array(
        'calendar_upcoming' => array(
          'block_1' => array(
            'module' => 'views',
            'delta' => 'block_1',
          ),
        ),
      ),
    ),
    'contexts' => array(
      'atrium-calendar-event' => 'calendar_event',
      'spaces-feature-calendar' => 'calendar_calendar',
    ),
  );

  module_load_include('inc', 'atrium', 'includes/atrium_update_kit');
  atrium_kit_comply_presets($components); 
  atrium_kit_comply_overrides($components);
  atrium_kit_comply_contexts($components);

  return array(array('success' => true, 'query' => 'Atrium Calendar updated for Kit compliance.'));
}

/**
 * Update to add Event Type taxonomy
 */
function atrium_calendar_update_6203() {
  return _atrium_calendar_create_taxonomy();
}

/**
 * Create the taxonomy for Atrium Calendar
 * 
 * Checks for existing taxonomy and adds or updates
 *
**/
function _atrium_calendar_create_taxonomy(){
  $vocabs = taxonomy_get_vocabularies();
  foreach ($vocabs as $vocab) {
    if (drupal_strtolower($vocab->name) == drupal_strtolower(CALENDAR_VOCAB)) {
        $vid = $vocab->vid;
    }
  }
  
  if (!$vid) {
    _atrium_calendar_create_vocab();
    $vid = db_last_insert_id('vocabulary', 'vid');
    $new = TRUE;
  }
  
  variable_set('atrium_calendar_vocab', $vid);
  
  if($vid){
    $success = _atrium_calendar_create_terms($vid, $new);
    if($success) {
      return array(array('success' => true, 'query' => CALENDAR_VOCAB .' created or updated'));
    }else{
      return array(array('success' => false, 'query' => 'Something went wrong, terms not created or updated'));
    }
  }else{
    return array(array('success' => false, 'query' => 'Something went wrong, no vocabulary found or created'));
  }
}

/**
 * Create Group Type Vocabulary
 */
function _atrium_calendar_create_vocab() {
  $vocabulary = array(
    'name'  => CALENDAR_VOCAB,
    'module' => 'atrium_calendar',
    'help' => t('Select the type of event.'),
    'required' => 1,
    'multiple' => 0,
    'nodes' => array(
      'event' => 'event',
      ),
  );
  taxonomy_save_vocabulary($vocabulary);
}


/**
 * Create Terms for Group Type Vocabulary
 *
 * Cycles through each country listed in locations include, if the vocab
 * already existed fetches the term ID and skips creating a new term entry.
 * Finishes by updating the term_geo table with the coordinates for the country.
 *
 */
function _atrium_calendar_create_terms($vid = NULL, $new = FALSE) {

// TODO: add descriptions to each term, will use on calendar view page in the future.
  $terms = array(
    array(
      'name' => 'Meeting',
      'description' => '',
      'vid' => $vid,
      'weight' => '0',
    ),
    array(
      'name' => 'Milestone',
      'description' => '',
      'vid' => $vid,
      'weight' => '0',
    ),
    array(
      'name' => 'Deliverable',
      'description' => '',
      'vid' => $vid,
      'weight' => '0',
    ),
    array(
      'name' => 'Other',
      'description' => '',
      'vid' => $vid,
      'weight' => '0',
    ));

  if($new){
    foreach ($terms as $term) {
      taxonomy_save_term($term);
    }
  }else{
    if($existing_terms = taxonomy_get_tree($vid)) {
      foreach($terms as $term){
        $match = FALSE;
        foreach($existing_terms as $et){
          if(drupal_strtolower($et->name) == drupal_strtolower($term['name'])) {
            $match = TRUE;        
          }
        }
        if(!$match) { taxonomy_save_term($term);}
      }
    }
  }
  return TRUE;
}