<?php

/**
 * Implements hook_schema().
 */
function smart_ip_ban_install() {
  // Increase the weight of smart ip ban module
  $weight = db_query('SELECT weight FROM {system} WHERE name = :name', array(':name' => 'user'))->fetchField();
  db_update('system')
    ->fields(array('weight' => $weight + 3))
    ->condition('name', 'smart_ip_ban', '=')
    ->condition('type', 'module')
    ->execute();

  $field = array(
    'description' => 'Name of the module that blocked the IP. Used by Smart IP Ban.',
    'type' => 'varchar',
    'length' => 255,
    'not null' => TRUE,
    'default' => '',
  );
  db_add_field('blocked_ips', 'agent', $field);
}

/**
 * Implements hook_uninstall()
 */
function smart_ip_ban_uninstall() {
  $variables = array(
    'smart_ip_ban_threshold',
    'smart_ip_ban_interval',
    'smart_ip_ban_duration',
    'smart_ip_ban_excluded_ip',
    'user_failed_login_ip_limit',
    'user_failed_login_ip_window'
  );
  foreach ($variables as $variable) {
    variable_del($variable);
  }
  db_drop_field('blocked_ips', 'agent');
}