<?php
/*
	* @files
	* Theme Template Funtions
*/

use Drupal\Core\Template\Attribute;


/* implements template_preprocess_views_view_unformatted() */

function popsu_preprocess_views_view_unformatted(&$variables) {

  $view = $variables['view'];  
  if($view->id() == "programmes"){
    $rows = $variables['rows'];
        foreach ($rows as $id => $row) {
            $variables['rows'][$id]['attributes'] = new Attribute();
            $c = $variables['rows'][$id]['content']["#row"]->nid;
            $variables['rows'][$id]['attributes']->addClass("popsu-node-".$c);
        }
  }

};

/* implements template_preprocess_region() */

function popsu_preprocess_region(&$variables) {

  if (isset($variables['region'])) {
    $variables['attributes']['class'][] = $variables['region'].'_container'; 
  }

}


/**
 * Implements hook_preprocess_page().
 */

// function popsu_preprocess_page(&$variables){
//   $rows = $variables['rows'];
// }

function popsu_preprocess_views_view_grid(&$variables){
  $rows = $variables['rows'];

  foreach ($rows as $id => $row) {

    $entity = $row["#row"]->_entity;
    $prog_id = $entity->get('field_programme')->getString();
    
    // une fois qu'on obtient l'id du programme 
    // on crée une class pour chaque colonne
    $options = $row["#view"]->style_plugin->options;
    //V0
    $options['col_class_custom'] = "popsu-node-".$prog_id;

    //notes
    // $attrs['class'] = "popsu-node-".$prog_id;
    // $rows[$id]["#options"]["col_class_custom"] = new Attribute($attrs);
    //$rows[$id]["#options"]["col_class_custom"] = 'class';

  }
}

function popsu_preprocess_views_view_field(&$variables){
  // check if link to entoty option is true
  $settings = isset($variables['field']->options['settings']) ? $variables['field']->options['settings'] : false; 
  if ($settings && isset($settings['link_to_entity']) && $settings['link_to_entity']) {
    // get the entity and build the classes
    $entity = $variables['row']->_entity;

    // build new classes
    $new_classes = array(
      $entity->getEntityTypeId(),
      $entity->getEntityTypeId().'-'.$entity->bundle(),
      $entity->getEntityTypeId().'-'.$entity->bundle().'-'.$entity->id(),
    );
    

    // get the entity link and url
    $link = $entity->toLink(); 
    $url = $entity->toLink()->getUrl();

    // set the active_class option to the url
    $url->setOption('set_active_class', true);

    // add new classes to the url (without overwriting existing once)
    $options = $url->getOptions();
    if(isset($options['attributes']) && $attributes = $options['attributes']){
      if(isset($attributes['class']) && $classes = $attributes['class']){
        $attributes['class'] +=  $new_classes;
      }else{
        $attributes['class'] = $new_classes;
      }
    }else{
      $attributes = array(
        "class" => $new_classes
      );
    }
    $url->setOption('attributes', $attributes);

    // update the url of the link
    $link->setUrl($url);

    // overwrite the output
    $variables['output'] = $link->toRenderable();
  } 
}