<?php
/**
 * @file
 * Install file for media_browser_plus.
 */

/**
 * Implements hook_install().
 */
function media_browser_plus_install() {
  // This should be load after views is ready.
  db_query("UPDATE {system} SET weight = 11 WHERE name = 'media_browser_plus'");
}

/**
 * Implements hook_enable().
 *
 * Ensure the necessary structures exist.
 */
function media_browser_plus_enable() {
  // Folder vocabulary and root term.
  $root_folder = media_browser_plus_get_media_root_folder(TRUE);
  $vocabulary = taxonomy_vocabulary_machine_name_load('media_folders');

  // Create the folder field.
  $field = array(
    'field_name' => 'field_folder',
    'label' => st('Media Folder'),
    'type' => 'taxonomy_term_reference',
    // Media file can only be in one folder at a time.
    'cardinality' => 1,
    'entity_type' => 'file',
    'bundle' => 'image',
    'required' => TRUE,
    'settings' => array(
      'allowed_values' => array(
        array(
          'vocabulary' => $vocabulary->machine_name,
          'parent' => 0,
        ),
      ),
    ),
  );
  $field_info = field_info_field($field['field_name']);
  if (empty($field_info)) {
    field_create_field($field);
  }

  // Backward compatibility handling.
  // @TODO Version compatibility cleanup.
  switch (TRUE) {
    // 23. April 2013 http://drupal.org/node/1977728
    case function_exists('file_type_load_all'):
      $file_types = array_keys(file_type_load_all());
      break;

    // Old.
    case function_exists('file_type_get_all_types'):
      $file_types = array_keys(file_type_get_all_types());
      break;

    // Very old.
    default:
      $file_types = array_keys(file_info_file_types());
  }
  // Ensure instance for each file bundle.
  foreach ($file_types as $bundle) {
    $field['bundle'] = $bundle;
    $instance_info = field_info_instance($field['entity_type'], $field['field_name'], $field['bundle']);
    if (empty($instance_info)) {
      field_create_instance($field);
    }
  }
}

/**
 * Implements hook_uninstall().
 */
function media_browser_plus_uninstall() {
  variable_del('media_root_folder');
  variable_del('media_browser_plus_thumbnails_as_default_browser');
  variable_del('media_browser_plus_filesystem_folders');
  variable_del('media_browser_plus_disable_default_view');
  variable_del('media_browser_plus_root_folder_tid');
}

/**
 * Implements of hook_requirements().
 */
function media_browser_plus_requirements($phase) {
  $requirements = array();
  // Ensure translations don't break during installation.
  $t = get_t();

  if ($phase == 'runtime') {
    // Check if we've to rely on and if it's enabled.
    $result = db_query("SELECT * FROM {system} WHERE name = 'media_bulk_upload' and type = 'module'")->rowCount();
    if ($result) {
      $requirements['mbp_media_bulk_upload'] = array(
        'title' => $t('Media Browser Plus: Media Bulk Upload enabled'),
        'value' => $t('Media Browser Plus needs Media Bulk Upload to work properly.'),
        'severity' => REQUIREMENT_OK,
      );
      if (!module_exists('media_bulk_upload')) {
        $requirements['mbp_media_bulk_upload']['severity'] = REQUIREMENT_WARNING;
        $requirements['mbp_media_bulk_upload']['value'] .= $t(
          ' (Enable the module in the !module_admin_link)',
          array('!module_admin_link' => l($t('module administration'), 'admin/modules'))
        );
      }
    }

    $requirements['mbp_archiver'] = array(
      'title' => $t('Media Browser Plus: Archiver found'),
      'value' => $t('Media Browser Plus needs an archiver to provide multifile downloads.'),
      'severity' => REQUIREMENT_OK,
    );
    if (!count(archiver_get_info())) {
      $requirements['mbp_archiver']['severity'] = REQUIREMENT_WARNING;
      $requirements['mbp_archiver']['value'] .= l($t('(further information)'), 'https://api.drupal.org/api/drupal/modules%21system%21system.api.php/function/hook_archiver_info/7');
    }
  }
  return $requirements;
}

/**
 * Update from 2.x to 3.x branch.
 */
function media_browser_plus_update_7300() {
  // Set weight.
  db_query("UPDATE {system} SET weight = 11 WHERE name = 'media_browser_plus'");

  // Fetch the media root term and store it in the related variable.
  $results = taxonomy_get_term_by_name('Media Root', 'media_folders');
  if (!empty($results)) {
    $root_folder = reset($results);
  }
  variable_set('media_browser_plus_root_folder_tid', $root_folder->tid);

  // Remove legacy variables.
  variable_del('media_media_per_page');
  variable_del('media_grid_window_height');
  variable_del('media_page_items_per_page');

  // Make sure the dependency modules are enabled.
  module_enable(array('views_tree', 'views_bulk_operations'));
}