<?php
// $Id: userpoints_admin_email.module,v 1.1.2.1 2009/01/24 17:12:56 kbahey Exp $
// Copyright 2008 Khalid Baheyeldin http://2bits.com

/**
 * Implementation of hook_userpoints()
 */
function userpoints_admin_email_userpoints($op, $params = array()) {
  switch($op) {
    case 'setting':
      $group = 'admin_email';
      $form[$group] = array(
        '#type'        => 'fieldset',
        '#title'       => t('Admin Email'),
        '#description' => t('Email admin when a user reaches a set number of points'),
        '#collapsible' => TRUE,
        '#collapsed'   => TRUE,
      );

      $form[$group][USERPOINTS_ADMIN_EMAIL_THRESHOLD] = array(
        '#type'          => 'textfield',
        '#title'         => t('Number of points'),
        '#description'   => t('Threshold to notify the admin by email when this number of points is reached by a user'),
        '#default_value' => variable_get(USERPOINTS_ADMIN_EMAIL_THRESHOLD, 0),
      );

      return $form;
      break;

    case 'points after':
      $uid    = $params['uid'];
      // Get user's balance of points
      $points = userpoints_get_current_points($uid);
      // Get the threshold
      $threshold = variable_get(USERPOINTS_ADMIN_EMAIL_THRESHOLD, 0);
      if ($point >= $threshold) {
        // The points reached the threshold
        userpoints_admin_email_send_mail($uid, $points);
      }
      break;
  }
}

function userpoints_admin_email_send_mail($uid, $points) {
  $account = user_load(array('uid' => $uid));

  $params = array(
    'subject' => t('User !uid reached threshold',
      array('!uid'   => $uid)),
    'body' => t('User !username (!url) has reached the number of points set in the threshold: !points',
      array(
        '!username' => $account->name,
        '!url'      => url('user/' . $uid, array('absolute' => TRUE)),
        '!points'   => $points,
        )),
  );

  // Get email address for user 1
  $admin = user_load(array('uid' => 1));
  $email = $admin->mail;

  // Send the email
  drupal_mail('userpoints_admin_email', '', $email, language_default(), $params, $email);
}

/**
 * Implementation of hook_mail().
 */
function userpoints_admin_email_mail($key, &$message, $params) {
  $message['subject'] = $params['subject'];
  $message['body'][]  = $params['body'];
}