<?php

/**
 * Theme function for EcoInt Solr results page
 */
function theme_ecoint_search($variables){
  $rows = array();
  foreach($variables['results'] as $result){
    $ecoint_node = node_load($result['node']->entity_id);
    $row = array();
    $lang = field_language('node', $ecoint_node, 'field_taxonomic_name');
    if(isset($ecoint_node->field_taxonomic_name[$lang][0]['tid'])){
      $left_term = taxonomy_term_load($ecoint_node->field_taxonomic_name[$lang][0]['tid']);
    } elseif(isset(array_values($ecoint_node->field_specimen_1)[0][0]['nid'])){
      $specimen_node = node_load(array_values($ecoint_node->field_specimen_1)[0][0]['nid']);
      $tid = array_values($specimen_node->field_taxonomic_name)[0][0]['tid'];
      $left_term = taxonomy_term_load($tid);
    }
    $row[] = l($left_term->name, 'taxonomy/term/' . $left_term->tid) . " " . $ecoint_node->field_life_cycle_stage['und'][0]['safe_value'] . " " . $ecoint_node->field_organism_part['und'][0]['safe_value'];
    $interaction = taxonomy_term_load($ecoint_node->field_interaction_type['und'][0]['tid']);
    if (!$interaction) {
        // the field_interaction_type field can be specified using a string instead of a link to a taxonomy
        $row[] = $ecoint_node->field_interaction_type['und'][0]['value'];
    } else {
        $row[] = $interaction->name;
    }

    $right_fields = field_collection_item_load($ecoint_node->field_int_collection['und'][0]['value']);
    # if there are no $right_fields it just means that the other side of this ecoint hasn't been specified yet
    if ($right_fields) {
        $lang = field_language('field_collection_item', $right_fields, 'field_taxonomic_name');
        if (isset($right_fields->field_taxonomic_name[$lang][0]['tid'])) {
            $right_term = taxonomy_term_load($right_fields->field_taxonomic_name[$lang][0]['tid']);
        } elseif (isset(array_values($right_fields->field_specimen_2)[0][0]['nid'])) {
            $specimen_node = node_load(array_values($ecoint_node->field_specimen_1)[0][0]['nid']);
            $tid = array_values($specimen_node->field_taxonomic_name)[0][0]['tid'];
            $right_term = taxonomy_term_load($tid);
        }
    }
    $row[] = l($right_term->name, 'taxonomy/term/' . $right_term->tid) . " " . $right_fields->field_life_cycle_stage_2['und'][0]['safe_value'] . " " . $right_fields->field_organism_part_2['und'][0]['safe_value'];
    $row[] = l('view', 'node/' . $ecoint_node->nid);
    $rows[] = $row;
  }
  return theme('table', array(
    'header' => array(
      array(
        'data' => t('Species A'),
        'field' => '',
        'sort' => 'asc'
      ),
      array(
        'data' => t('Interaction'),
        'field' => '',
        'sort' => ''
      ),
      array(
        'data' => t('Species B'),
        'field' => '',
        'sort' => ''
      ),
      array(
        'data' => t('Link'),
        'field' => '',
        'sort' => ''
      )
    ),
    'rows' => $rows,
    'attributes' => array(
      'class' => array(
        'ecoint'
      )
    )
  )) . theme('pager', array(
    'tags' => NULL
  ));
}

/**
 * Theme function for an empty results page.
 */
function theme_ecoint_search_empty($variables){
  return t('<p>Either no ecological interaction content has been added to this site, or it has not yet been indexed. Indexing can take up to one hour, so please check back later.</p>');
}