<?php

/**
 * @file
 * Install and uninstall functionality for Audio Field module.
 */

/**
 * Implements hook_install().
 */
function audiofield_install() {
  // Set default audio player.
  variable_set('audiofield_audioplayer', 'html5');
}

/**
 * Implements hook_uninstall().
 */
function audiofield_uninstall() {
  db_delete('variable')
    ->condition('name', 'audiofield_%%', 'LIKE')
    ->execute();
}

/**
 * Update settings to use the new field displays.
 */
function audiofield_update_7500() {
  // Find all of the fields which are using the audio display types.
  $query = db_select('field_config_instance', 'fci');
  $query->innerJoin('field_config', 'fc', 'fc.id = fci.field_id');
  $query->condition('fc.type', 'file', '=');
  $query->condition('fci.deleted', '0', '=');
  $query->fields('fci', array('id', 'data'));
  $results = $query->execute();
  foreach ($results as $row) {
    $data = unserialize($row->data);

    // Check each display type.
    foreach ($data['display'] as &$display) {
      // If this is an old audiofield type, we need to update it.
      if (in_array($display['type'], array(
        'audiofield_embedded',
        'audiofield_nodownload',
        'audiofield_details',
      ))) {
        // Update the display file details.
        $display['settings']['display_file_details'] = 0;
        if ($display['type'] == 'audiofield_details') {
          $display['settings']['display_file_details'] = 1;
        }
        // Update the display file download.
        $display['settings']['download_link'] = 0;
        if ($display['type'] == 'audiofield_embedded') {
          $display['settings']['download_link'] = 1;
        }
        // Update to the new display type.
        $display['type'] = 'audiofield_player';
        // Set the correct audio player settings.
        foreach (array(
          'mp3',
          'mp4',
          'ogg',
          'wav',
          'opus',
          'webm',
          'flac',
          'oga',
        ) as $player_type) {
          $old_setting = variable_get('audiofield_audioplayer_' . $player_type);
          if (!empty($old_setting)) {
            $display['settings']['audiofield_audioplayer_' . $player_type] = $old_setting;
          }
        }
        // Update the detail settings.
        $display['settings']['audiofield_detail'] = variable_get('audiofield_detail');
      }
    }

    // Reserialize data for storage.
    $data = serialize($data);
    // Update the field configuration.
    db_update('field_config_instance')
      ->fields(array(
        'data' => $data,
      ))
      ->condition('id', $row->id, '=')
      ->execute();
  }
  // Reset the audiofield_details to only hold the ffprobe path.
  $old_details_var = variable_get('audiofield_detail');
  foreach ($old_details_var as $key => $val) {
    if ($key != 'ffprobe_path') {
      unset($old_details_var[$key]);
    }
  }
  variable_set('audiofield_detail', $old_details_var);
  // Delete the old variables.
  foreach (array('mp3', 'mp4', 'ogg', 'wav', 'opus', 'webm', 'flac', 'oga') as $player_type) {
    variable_del('audiofield_audioplayer_' . $player_type);
  }
}