<?php

/**

 * @file

 * Builds placeholder replacement tokens for values specific to Poll nodes.

 */

/**

 * Implements hook_token_info().

 */

function poll_token_info() {

  $node['poll-votes'] = array(

    'name' => t("Poll votes"),

    'description' => t("The number of votes that have been cast on a poll."),

  );

  $node['poll-winner'] = array(

    'name' => t("Poll winner"),

    'description' => t("The winning poll answer."),

  );

  $node['poll-winner-votes'] = array(

    'name' => t("Poll winner votes"),

    'description' => t("The number of votes received by the winning poll answer."),

  );

  $node['poll-winner-percent'] = array(

    'name' => t("Poll winner percent"),

    'description' => t("The percentage of votes received by the winning poll answer."),

  );

  $node['poll-duration'] = array(

    'name' => t("Poll duration"),

    'description' => t("The length of time the poll is set to run."),

  );

  return array(

    'tokens' => array('node' => $node),

  );

}

/**

 * Implements hook_tokens().

 */

function poll_tokens($type, $tokens, array $data = array(), array $options = array()) {

  $sanitize = !empty($options['sanitize']);

  if (isset($options['language'])) {

    $url_options['language'] = $options['language'];

    $language_code = $options['language']->language;

  }

  else {

    $language_code = NULL;

  }

  $replacements = array();

  if ($type == 'node' && !empty($data['node']) && $data['node']->type == 'poll') {

    $node = $data['node'];

    $total_votes = 0;

    $highest_votes = 0;

    foreach ($node->choice as $choice) {

      if ($choice['chvotes'] > $highest_votes) {

        $winner = $choice;

        $highest_votes = $choice['chvotes'];

      }

      $total_votes = $total_votes + $choice['chvotes'];

    }

    foreach ($tokens as $name => $original) {

      switch ($name) {

        case 'poll-votes':

          $replacements[$original] = $total_votes;

          break;

        case 'poll-winner':

          if (isset($winner)) {

            $replacements[$original] = $sanitize ? filter_xss($winner['chtext']) : $winner['chtext'];

          }

          else {

            $replacements[$original] = '';

          }

          break;

        case 'poll-winner-votes':

          if (isset($winner)) {

            $replacements[$original] = $winner['chvotes'];

          }

          else {

            $replacements[$original] = '';

          }

          break;

        case 'poll-winner-percent':

          if (isset($winner)) {

            $percent = ($winner['chvotes'] / $total_votes) * 100;

            $replacements[$original] = number_format($percent, 0);

          }

          else {

            $replacements[$original] = '';

          }

          break;

        case 'poll-duration':

          $replacements[$original] = format_interval($node->runtime, 1, $language_code);

          break;

      }

    }

  }

  return $replacements;

}