<?php
header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Headers: access");
header("Access-Control-Allow-Methods: POST");
header("Content-Type: application/json; charset=UTF-8");
header("Access-Control-Allow-Headers: Content-Type, Access-Control-Allow-Headers, Authorization, X-Requested-With");

session_start();

require __DIR__.'/classes/Database.php';
//require __DIR__.'/classes/JwtHandler.php';

function msg($success,$status,$message,$fields,$data = []){
    return ([
        'success' => $success,
        'status' => $status,
        'message' => $message,
        'fields' => $message,
        'data' => $data
    ]);
}

$db_connection = new Database();
$conn = $db_connection->dbConnection();

$data = json_decode(file_get_contents("php://input"));
// $data = json_decode('{ "qr_id": "m7MdMK" }');

$returnData = [];
$fields = ['fields' => ['qr_id']];

// if(true)

// IF REQUEST METHOD IS NOT EQUAL TO POST
if($_SERVER["REQUEST_METHOD"] != "POST")
{
    $returnData = msg(0,404,'Page Not Found!',$fields,null);
}
    // CHECKING EMPTY FIELDS
elseif(!isset($data->qr_id) 
|| empty(trim($data->qr_id))
)
{
    $returnData = msg(0,422,'Please Fill in all Required Fields!',$fields, null);
    
}
// IF THERE ARE NO EMPTY FIELDS THEN-
else 
{
    $qr_id = trim($data->qr_id);

    try
    {
            
        $fetch_user_by_email = "SELECT * FROM `dogs` WHERE `qr_id`=:qr_id";
        $query_stmt = $conn->prepare($fetch_user_by_email);
        $query_stmt->bindValue(':qr_id', $qr_id,PDO::PARAM_STR);
        $query_stmt->execute();

        // IF THE dog IS FOUNDED BY qr_id
        if($query_stmt->rowCount())
        {
            $row = $query_stmt->fetch(PDO::FETCH_ASSOC);
            $returnData = msg(1,200,'get dog',$fields,$row);
        }
    }
    catch(PDOException $e)
    {
        $returnData = msg(0,500,$e->getMessage(),$fields,null);
    }

}
echo json_encode($returnData);