<?php

$moduleFilePath = dirname(__FILE__);
include_once($moduleFilePath . '/classes/class_DbConnect.php');

/**
 * Implementation of hook_perm().
 */
function iphone_push_notification_through_easyapns_perm() {
  return array('administer easyapns');
}

/**
 * Implementation of hook_help().
 */
function iphone_push_notification_through_easyapns_help($path, $arg) {
  if ($path == 'admin/help#easyapns') {
    $output = '<p>' . t('<b>Send Notification</b> The EasyAPNS module allows users to send notifications on iphone.') . '</p>';
    return $output;
  }
}

/**
 * Implementation of hook_menu().
 */
function iphone_push_notification_through_easyapns_menu() {
  $items = array();
  // added to call from url : created in order to test notification from admin panel
  $items['pushnotif/%/%/%'] = array(
    'title' => 'Push Notification',
    'description' => 'Send test Push Notification',
    'page callback' => 'iphone_push_notification_through_easyapns_push_notify',
    'page arguments' => array(1, 2, 3), // uid, message , parameters (key1:value1|key2:value2|key3:value3) for eg. pushnotif/userid/hellotest/type:NH
    'access arguments' => array('administer easyapns'),
    'type' => MENU_NORMAL_ITEM,
  );
  $items['admin/settings/easyapns'] = array(
    'title' => 'Easy Apple Push Notification',
    'description' => 'Easy Apple Push Notification settings page',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('iphone_push_notification_through_easyapns_admin_form'),
    'access arguments' => array('administer easyapns'),
    'type' => MENU_NORMAL_ITEM,
  );
  return $items;
}

/**
 * iphone_push_notification_through_easyapns_admin_form is used to create form in admin and set the basic requirement for sending
 * notifications on device
 */
function iphone_push_notification_through_easyapns_admin_form() {
  $options = array('enabled' => 'enabled', 'disabled' => 'disabled');
  $form = array();

  $form['iphone_push_notification_through_easyapns_appname'] = array(
    '#type' => 'textfield',
    '#title' => t('Application Name'),
    '#default_value' => variable_get('iphone_push_notification_through_easyapns_appname', ''),
    '#size' => 10,
    '#maxlength' => 255,
    '#description' => t("The Application name for which notification has to be sent."),
    '#required' => TRUE,
  );

  $form['iphone_push_notification_through_easyapns_appversion'] = array(
    '#type' => 'textfield',
    '#title' => t('Application Version'),
    '#default_value' => variable_get('iphone_push_notification_through_easyapns_appversion', ''),
    '#size' => 10,
    '#maxlength' => 255,
    '#description' => t("The Application Version."),
    '#required' => TRUE,
  );

  $form['iphone_push_notification_through_easyapns_devicename'] = array(
    '#type' => 'textfield',
    '#title' => t('Device Name'),
    '#default_value' => variable_get('iphone_push_notification_through_easyapns_devicename', ''),
    '#size' => 10,
    '#maxlength' => 255,
    '#description' => t("The Name of device(iphone,ipad etc)."),
    '#required' => TRUE,
  );

  $form['iphone_push_notification_through_easyapns_devicemodel'] = array(
    '#type' => 'textfield',
    '#title' => t('Device Model'),
    '#default_value' => variable_get('iphone_push_notification_through_easyapns_devicemodel', ''),
    '#size' => 10,
    '#maxlength' => 255,
    '#description' => t("The Model of device."),
    '#required' => TRUE,
  );

  $form['iphone_push_notification_through_easyapns_deviceuid'] = array(
    '#type' => 'textfield',
    '#title' => t('Device uid'),
    '#default_value' => variable_get('iphone_push_notification_through_easyapns_deviceuid', '12345'),
    '#size' => 10,
    '#maxlength' => 255,
    '#description' => t("The uid of device."),
    '#required' => TRUE,
  );

  $form['iphone_push_notification_through_easyapns_deviceversion'] = array(
    '#type' => 'textfield',
    '#title' => t('Device Version'),
    '#default_value' => variable_get('iphone_push_notification_through_easyapns_version', '4.0'),
    '#size' => 10,
    '#maxlength' => 255,
    '#description' => t("The Version of device."),
    '#required' => TRUE,
  );

  $form['iphone_push_notification_through_easyapns_allow_badge'] = array(
    '#type' => 'select',
    '#title' => t('Allow Badge'),
    '#default_value' => variable_get('iphone_push_notification_through_easyapns_allow_badge', '1'),
    '#description' => t("Allow sending badge with push notification."),
    '#options' => $options,
    '#default_value' => 'enabled',
  );

  $form['iphone_push_notification_through_easyapns_allow_pushalert'] = array(
    '#type' => 'select',
    '#title' => t('Allow Push alert'),
    '#description' => t("Allow push alert for  push notification."),
    '#options' => $options,
    '#default_value' => 'enabled',
    '#required' => FALSE,
  );

  $form['iphone_push_notification_through_easyapns_allow_pushsound'] = array(
    '#type' => 'select',
    '#title' => t('Allow Push Sound'),
    '#description' => t("Allow push Sound for  push notification."),
    '#options' => $options,
    '#default_value' => 'enabled',
  );

  $form['iphone_push_notification_through_easyapns_production_certificate'] = array(
    '#type' => 'textfield',
    '#title' => t('Path of production Certificate'),
    '#default_value' => variable_get('iphone_push_notification_through_easyapns_production_certificate', 'complete path of production certificate here'),
    '#description' => t("Give path of productio certificate here."),
    '#required' => FALSE,
  );

  $form['iphone_push_notification_through_easyapns_sandbox_certificate'] = array(
    '#type' => 'textfield',
    '#title' => t('Path of sandbox Certificate'),
    '#default_value' => variable_get('iphone_push_notification_through_easyapns_sandbox_certificate', 'complete path of sandbox certificate here'),
    '#description' => t("Give path of sandbox certificate here."),
    '#required' => FALSE,
  );
  return system_settings_form($form);
}

/**
 * Implementation of hook_user().
 * case : insert => used for inserting device id of logged in user into apns_devices table
 * so that notifications can be send to the user
 */
function iphone_push_notification_through_easyapns_user($op, &$edit, &$account) {
  switch ($op) {
    case 'insert':
      $appid = addslashes($_REQUEST['field_apple_id'][0]['value']);
      iphone_push_notification_through_easyapns_apns_insert($account->uid, $appid);
      break;

    case 'update':
      break;

    case 'delete':
      db_result(db_query("DELETE FROM {apns_devices} WHERE pid = " . $account->uid));
      break;
  }
}

/**
 * Implementation of hook_nodeapi().
 */
function iphone_push_notification_through_easyapns_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
  if (is_content_profile($node) && $op == 'update') {
    $appid = addslashes($_REQUEST['field_apple_id'][0]['value']);
    iphone_push_notification_through_easyapns_apns_update($node->uid, $appid);
  }
}

/**
 * iphone_push_notification_through_easyapns_push_notify == main function to send notification to the iphone,
 * on the basis of device_token
 * 
 */
function iphone_push_notification_through_easyapns_push_notify($uid, $msg = '', $paramAry = NULL) {
  $moduleFilePath = dirname(__FILE__);
  require_once($moduleFilePath . '/ApnsPHP/Autoload.php');

  $prod_certificate = variable_get('iphone_push_notification_through_easyapns_production_certificate', '');
  $sandbox_certificate = variable_get('iphone_push_notification_through_easyapns_sandbox_certificate', '');
  $push = new ApnsPHP_Push(
          ApnsPHP_Abstract::ENVIRONMENT_SANDBOX,
          $sandbox_certificate
  );
  $push->connect();

  $device_id = db_result(db_query("SELECT devicetoken FROM apns_devices WHERE pid = %d", $uid));
  $message = new ApnsPHP_Message($device_id);
  $message->setCustomIdentifier("Message-Badge-3");
  $message->setBadge(3);
  $message->setText($msg);
  $message->setSound();
  $message->setCustomProperty('acme2', array('bang', 'whiz'));
  $message->setCustomProperty('acme3', array('bing', 'bong'));

  if (!is_array($paramAry) AND $paramAry) {

    $aryP = explode("|", $paramAry);
    $paramAry = array();
    if ($aryP) {
      foreach ($aryP as $v) {
        $aryV = explode(":", $v); // getting parameter key and value
        $paramAry = array_merge($paramAry, array($aryV[0] => $aryV[1]));
      }
    }
  }

  if ($paramAry AND is_array($paramAry)) {
    foreach ($paramAry as $k => $v) {
      $message->setCustomProperty($k, $v);
    }
  }

  $message->setExpiry(30);
  $push->add($message);
  $push->send();
  $push->disconnect();
  return 'SUCCESS';
}

/**
 * function callled above in order to make an entry in the apns_devices table for proper sending of notification
 */
function iphone_push_notification_through_easyapns_apns_insert($uid, $appid, $device_name='', $device_model='', $device_version='') {
  $sound = variable_get('iphone_push_notification_through_easyapns_allow_pushsound', '');
  $appname = variable_get('iphone_push_notification_through_easyapns_appname', '');
  $appversion = variable_get('iphone_push_notification_through_easyapns_appversion', '');
  $device_name = (($device_name == '') ? variable_get('iphone_push_notification_through_easyapns_devicename', '') : $device_name);
  $device_model = variable_get('iphone_push_notification_through_easyapns_devicemodel', '');
  $device_version = variable_get('iphone_push_notification_through_easyapns_deviceversion', '');
  $allow_badge = variable_get('iphone_push_notification_through_easyapns_allow_badge', '');
  $allow_pushalert = variable_get('iphone_push_notification_through_easyapns_allow_pushalert', '');
  $allow_pushsound = variable_get('iphone_push_notification_through_easyapns_allow_pushsound', '');
  $prod_certificate = variable_get('iphone_push_notification_through_easyapns_production_certificate', '');
  $sandbox_certificate = variable_get('iphone_push_notification_through_easyapns_sandbox_certificate', '');
  $device_uid = '';

  db_query("INSERT INTO {apns_devices} (`pid`, `appname`, `appversion`, `deviceuid`, `devicetoken`, `devicename`, `devicemodel`, `deviceversion`, `pushbadge`, `pushalert`, `pushsound`, `development`, `status`, `created`, `modified`) VALUES ('" . $uid . "', '" . $appname . "', '" . $appversion . "', '" . $device_uid . "', '" . $appid . "', '" . $device_name . "', '" . $device_model . "' , '" . $device_version . "', '" . $allow_badge . "', '" . $allow_pushalert . "', '" . $allow_pushsound . "', 'production', 'active', '" . date('Y-m-d H:i:s') . "', '')");
}

/**
 * Function required in order to update device token 
 * of user in case of login from different device
 */
function iphone_push_notification_through_easyapns_apns_update($uid, $appid) {
  $sql = "UPDATE {apns_devices} SET devicetoken = '" . $appid . "' WHERE pid = '" . $uid . "'";
  db_query($sql);
}