<?php
	function send_notification ($tokens, $message ,$name , $status)
	{
		$url = 'https://fcm.googleapis.com/fcm/send';
		$fields = array(
			 'registration_ids' => $tokens,
			 'data' => $message,
			 'priority' => 'high',
			'notification' => array(
					'body' => $name . "'s leave is " .$status ,
					'title' => "Leave Application",
					'sound' => 'default',
					'icon' => 'icon'
					)

			);
		$headers = array(
			'Authorization:key = AIzaSyD0HT1tKcQ3K7kWUPWiRcalmJI2rmtQjqA',
			'Content-Type: application/json'
			);
	   $ch = curl_init();
       curl_setopt($ch, CURLOPT_URL, $url);
       curl_setopt($ch, CURLOPT_POST, true);
       curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
       curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
       curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0);
       curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
	   curl_setopt($ch, CURLOPT_AUTOREFERER, true);


       curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($fields));
       $result = curl_exec($ch);
       if ($result === FALSE) {
           die('Curl failed: ' . curl_error($ch));
       }
       curl_close($ch);
       return $result;
	}

	$database = $_POST['Database'];

$servername = "158.69.204.52";
$username = "admin_ecampus";
$password = "*dolphin987";
$dbname = $database;
$dbname = "admin_ecampus_1";


$teacherID = $_POST['student_id'];
$teacherID = "3";

$conn = mysqli_connect($servername, $username, $password ,$dbname );
	$sql = "SELECT students_master.student_name as name , users.fcm_token  as fcm_token, leaves_master.leave_status as status , users.id FROM leaves_master , users , students_master WHERE students_master.student_id = leaves_master.student_id and users.id = leaves_master.created_by and leaves_master.leave_checked_by = $teacherID";
	$result = mysqli_query($conn,$sql);
	$tokens = array();
	if(mysqli_num_rows($result) > 0 ){
		while ($row = mysqli_fetch_assoc($result))   {
			$tokens[] = $row["fcm_token"];
			$name = $row["name"];
			$status = $row["status"];
		}

	}

	mysqli_close($conn);
	$message = array("message" => " your ward is absent");
	$message_status = send_notification($tokens, $message ,$name , $status);
	echo $message_status;
 ?>