<?php

/**
 * Class FMControllerGenerete_xml
 */
class FMControllerGenerete_xml extends FMAdminController {

  /**
   * Execute.
   */
  public function execute() {
    $this->display();
	  die();
  }

  public function display() {
    // Get form maker settings
    $fm_settings = WDFMInstance(self::PLUGIN)->fm_settings;
    // Update export per_page.
    $page_num_update = WDW_FM_Library(self::PLUGIN)->get('page_num_update');
    $option_key = (WDFMInstance(self::PLUGIN)->is_free == 2 ? 'fmc_settings' : 'fm_settings');
    if ( $page_num_update ) {
      $fm_settings['ajax_export_per_page'] = WDW_FM_Library(self::PLUGIN)->get('page_num');
      update_option( $option_key, $fm_settings );
    }
    $form_id = WDW_FM_Library(self::PLUGIN)->get( 'form_id', 0, 'intval' );
    $limitstart = WDW_FM_Library(self::PLUGIN)->get( 'limitstart', 0, 'intval' );
    $send_header = WDW_FM_Library(self::PLUGIN)->get( 'send_header', 0, 'intval' );
    $params = WDW_FM_Library(self::PLUGIN)->get_submissions_to_export();
    if (!empty($params) ) {
      $data = $params[0];
      $title = $params[1];
      define('PHP_TAB', "\t");
      $upload_dir = wp_upload_dir();
      $file_path = $upload_dir['basedir'] . '/form-maker';
      if ( !is_dir($file_path) ) {
        mkdir($file_path, 0777);
      }
      $tempfile = $file_path . '/export' . $form_id . '.txt';
      if ( $limitstart == 0 && file_exists($tempfile) ) {
        unlink($tempfile);
      }
      $output = fopen($tempfile, "a");
      if ( $limitstart == 0 ) {
        fwrite($output, '<?xml version="1.0" encoding="utf-8" ?>' . PHP_EOL);
        fwrite($output, '<form title="' . $title . '">' . PHP_EOL);
      }
      foreach ( $data as $key1 => $value1 ) {
        if ( !empty($key1) ) {
          fwrite($output, PHP_TAB . '<submission id="' . $key1 . '">' . PHP_EOL);
          foreach ( $value1 as $key => $value ) {
            fwrite($output, PHP_TAB . PHP_TAB . '<field title="' . $key . '">' . PHP_EOL);
            fwrite($output, PHP_TAB . PHP_TAB . PHP_TAB . '<![CDATA[' . $value . ']]>' . PHP_EOL);
            fwrite($output, PHP_TAB . PHP_TAB . '</field>' . PHP_EOL);
          }
          fwrite($output, PHP_TAB . '</submission>' . PHP_EOL);
        }
      }
      if ( $send_header == 1 ) {
        fwrite($output, '</form>');
        fclose($output);
        $txtfile = fopen($tempfile, "r");
        $txtfilecontent = fread($txtfile, filesize($tempfile));
        fclose($txtfile);
        $filename = $title . "_" . date('Ymd') . ".xml";
        header('Content-Encoding: Windows-1252');
        header('Content-type: text/xml; charset=utf-8');
        header("Content-Disposition: attachment; filename=\"$filename\"");
        echo $txtfilecontent;
        unlink($tempfile);
      }
    }
  }
}