<?php

/**
 * @file
 * Install, update and uninstall functions for the colorbox module.
 */

/**
 * Implements hook_requirements().
 */
function colorbox_requirements($phase) {
  $requirements = array();

  if ($phase == 'runtime') {
    $t = get_t();
    $library = libraries_detect('colorbox');

    if (empty($library['installed'])) {
      $requirements['colorbox_plugin'] = array(
        'title' => $t('Colorbox plugin'),
        'value' => $t('At least @a', array('@a' => COLORBOX_MIN_PLUGIN_VERSION)),
        'severity' => REQUIREMENT_ERROR,
        'description' => $t('You need to download the !colorbox, extract the archive and place the colorbox directory in the %path directory on your server.', array('!colorbox' => l($t('Colorbox plugin'), $library['download url']), '%path' => 'sites/all/libraries')),
      );
    }
    elseif (version_compare($library['version'], COLORBOX_MIN_PLUGIN_VERSION, '>=')) {
      $requirements['colorbox_plugin'] = array(
        'title' => $t('Colorbox plugin'),
        'severity' => REQUIREMENT_OK,
        'value' => $library['version'],
      );
    }
    else {
      $requirements['colorbox_plugin'] = array(
        'title' => $t('Colorbox plugin'),
        'value' => $t('At least @a', array('@a' => COLORBOX_MIN_PLUGIN_VERSION)),
        'severity' => REQUIREMENT_ERROR,
        'description' => $t('You need to download a later version of the !colorbox and replace the old version located in the %path directory on your server.', array('!colorbox' => l($t('Colorbox plugin'), $library['download url']), '%path' => $library['library path'])),
      );
    }
  }

  return $requirements;
}

/**
 * Implements hook_uninstall().
 */
function colorbox_uninstall() {
  db_query("DELETE FROM {variable} WHERE name LIKE 'colorbox_%'");
}

/**
 * Delete the unused colorbox_login_form variable.
 */
function colorbox_update_7001() {
  $ret = array();
  variable_del('colorbox_login_form');

  return $ret;
}

/**
 * Delete the unused colorbox_title_trim and
 * colorbox_title_trim_length variables.
 */
function colorbox_update_7002() {
  $ret = array();
  $colorbox_title_trim = variable_get('colorbox_title_trim', NULL);
  $colorbox_title_trim_length = variable_get('colorbox_title_trim_length', NULL);
  if (!empty($colorbox_title_trim)) {
    variable_set('colorbox_caption_trim', $colorbox_title_trim);
  }
  if (!empty($colorbox_title_trim_length)) {
    variable_set('colorbox_caption_trim_length', $colorbox_title_trim_length);
  }
  variable_del('colorbox_title_trim');
  variable_del('colorbox_title_trim_length');

  return $ret;
}

/**
 * Delete the unused colorbox_login and colorbox_login_links variables.
 */
function colorbox_update_7200() {
  $ret = array();
  variable_del('colorbox_login');
  variable_del('colorbox_login_links');

  return $ret;
}

/**
 * Delete the unused colorbox_auto_image_nodes variable.
 */
function colorbox_update_7201() {
  $ret = array();
  variable_del('colorbox_auto_image_nodes');

  return $ret;
}

/**
 * Update the colorbox_compression_type variable.
 */
function colorbox_update_7202() {
  $ret = array();
  if (variable_get('colorbox_compression_type', 'minified') == 'none') {
    variable_set('colorbox_compression_type', 'source');
  }
  else {
    variable_set('colorbox_compression_type', 'minified');
  }

  return $ret;
}