<?php
// $Id$

/**
 * Implementation of hook_install().
 */
function locale_install() {
  // locales_source.source and locales_target.target are not used as binary
  // fields; non-MySQL database servers need to ensure the field type is text
  // and that LIKE produces a case-sensitive comparison.

  // Create tables.
  drupal_install_schema('locale');

  db_query("INSERT INTO {languages} (language, name, native, direction, enabled, weight, javascript) VALUES ('en', 'English', 'English', '0', '1', '0', '')");
}

/**
 * @defgroup updates-5.x-to-6.x Locale updates from 5.x to 6.x
 * @{
 */

/**
 * {locales_meta} table became {languages}.
 */
function locale_update_6001() {
  $ret = array();
  switch ($GLOBALS['db_type']) {
    case 'mysql':
    case 'mysqli':
      $ret[] = update_sql("CREATE TABLE {languages} (
        language varchar(12) NOT NULL default '',
        name varchar(64) NOT NULL default '',
        native varchar(64) NOT NULL default '',
        direction int NOT NULL default '0',
        enabled int NOT NULL default '0',
        plurals int NOT NULL default '0',
        formula varchar(128) NOT NULL default '',
        domain varchar(128) NOT NULL default '',
        prefix varchar(128) NOT NULL default '',
        weight int NOT NULL default '0',
        PRIMARY KEY (language)
      ) /*!40100 DEFAULT CHARACTER SET UTF8 */ ");
      break;
    case 'pgsql':
      $ret[] = update_sql("CREATE TABLE {languages} (
        language varchar(12) NOT NULL default '',
        name varchar(64) NOT NULL default '',
        native varchar(64) NOT NULL default '',
        direction int NOT NULL default '0',
        enabled int NOT NULL default '0',
        plurals int NOT NULL default '0',
        formula varchar(128) NOT NULL default '',
        domain varchar(128) NOT NULL default '',
        prefix varchar(128) NOT NULL default '',
        weight int NOT NULL default '0',
        PRIMARY KEY (language)
      )");
      break;
  }

  // Save the languages
  $ret[] = update_sql("INSERT INTO {languages} (language, name, native, direction, enabled, plurals, formula, domain, prefix, weight) SELECT locale, name, '', 0, enabled, plurals, formula, '', locale, 0 FROM {locales_meta}");

  // Save the language count in the variable table
  $count = db_result(db_query('SELECT COUNT(*) FROM {languages} WHERE enabled = 1'));
  variable_set('language_count', $count);

  // Save the default language in the variable table
  $default = db_fetch_object(db_query('SELECT * FROM {locales_meta} WHERE isdefault = 1'));
  variable_set('language_default', (object) array('language' => $default->locale, 'name' => $default->name, 'native' => '', 'direction' => 0, 'enabled' => 1, 'plurals' => $default->plurals, 'formula' => $default->formula, 'domain' => '', 'prefix' => $default->locale, 'weight' => 0));

  $ret[] = update_sql("DROP TABLE {locales_meta}");
  return $ret;
}

/**
 * Change locale column to language. The language column is added by
 * update_fix_d6_requirements() in update.php to avoid a large number
 * of error messages from update.php.  All we need to do here is copy
 * locale to language and then drop locale.
 */
function locale_update_6002() {
  $ret = array();
  $ret[] = update_sql('UPDATE {locales_target} SET language = locale');
  db_drop_field($ret, 'locales_target', 'locale');
  return $ret;
}

/**
 * Adds a column to store the filename of the JavaScript translation file.
 */
function locale_update_6003() {
  $ret = array();
  db_add_field($ret, 'languages', 'javascript', array('type' => 'varchar', 'length' => 32, 'not null' => TRUE, 'default' => ''));
  return $ret;
}

/**
 * Remove empty translations, we don't need these anymore.
 */
function locale_update_6004() {
  $ret = array();
  $ret[] = update_sql("DELETE FROM {locales_target} WHERE translation = ''");
  return $ret;
}

/**
 * Prune strings with no translations (will be automatically re-registered if still in use)
 */
function locale_update_6005() {
  $ret = array();
  $ret[] = update_sql("DELETE s FROM {locales_source} s LEFT JOIN {locales_target} t ON s.lid = t.lid WHERE t.lid IS NULL");
  return $ret;
}

/**
 * @} End of "defgroup updates-5.x-to-6.x"
 */

/**
 * Implementation of hook_uninstall().
 */
function locale_uninstall() {
  // Delete all JavaScript translation files
  $files = db_query('SELECT javascript FROM {languages}');
  while ($file = db_fetch_object($files)) {
    if (!empty($file)) {
      file_delete(file_create_path($file->javascript));
    }
  }

  // Remove tables.
  drupal_uninstall_schema('locale');
}