<?php
/**
 * PHPWord
 *
 * @link        https://github.com/PHPOffice/PHPWord
 * @copyright   2014 PHPWord
 * @license     http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
 */

namespace PhpOffice\PhpWord\Writer\Word2007;

use PhpOffice\PhpWord\Exceptions\Exception;
use PhpOffice\PhpWord\Shared\XMLWriter;

/**
 * Word2007 footnotes rel part writer
 */
class FootnotesRels extends Base
{
    /**
     * Write word/_rels/footnotes.xml.rels
     *
     * @param mixed $_relsCollection
     */
    public function writeFootnotesRels($_relsCollection)
    {
        // Create XML writer
        $xmlWriter = $this->getXmlWriter();

        // XML header
        $xmlWriter->startDocument('1.0', 'UTF-8', 'yes');

        // Relationships
        $xmlWriter->startElement('Relationships');
        $xmlWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/package/2006/relationships');

        // Relationships to Links
        foreach ($_relsCollection as $relation) {
            $relationType = $relation['type'];
            $relationName = $relation['target'];
            $relationId   = $relation['rID'];
            $targetMode   = ($relationType == 'hyperlink') ? 'External' : '';

            $this->writeRelationship($xmlWriter, $relationId, 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/' . $relationType, $relationName, $targetMode);
        }

        $xmlWriter->endElement();

        // Return
        return $xmlWriter->getData();
    }
}