<?php

defined('_JEXEC') or die('Restricted access');

$document = $this -> document;
foreach ($document as $field) {
	foreach ($field['values'] as $value) {
		$val = '';
		if ($value['type'] == 'text/plain')
			$val = $value['displayValue'];
		else if (($value['type'] == 'url') && ($value['urlType'] == 'search'))
			$val = $value['displayValue'];
		else if (($value['type'] == 'url') && ($value['urlType'] == 'external'))
			$val = $value['displayValue'] . ' (' . $value['href'] . ')';
		if ($field['name'] == '${title}') {
			$titleValues[] = $val;
			$rawTitleValues[] = $value['displayValue'];
		} else if ($field['name'] == 'id')
			$idValues[] = $val;
		else
			$fieldValues[$field['name']][] = $val;
	}
}
if (count($document) > 0) {
	$subject = 'OpenAIRE Search Results' . ((count($rawTitleValues) > 0) ? (' - ' . implode(', ', $rawTitleValues)) : '');
	$body = 'Title: ' . ((count($titleValues) > 0) ? implode(', ', $titleValues) : '-') . "\nID: " . ((count($idValues) > 0) ? implode(', ', $idValues) : '-') . "\n";
	foreach ($fieldValues as $name => $values)
		$body .= $name . ': ' . ((count($values) > 0) ? implode(', ', $values) : '-') . "\n";
	echo('mailto:' . JRequest :: getVar('mail') . '?subject=' . rawurlencode($subject) . '&body=' . rawurlencode($body));
}