<?php
if ($_SERVER["REQUEST_METHOD"] === "POST") {
    
    if (isset($_POST['status'])) {
        
        
        $status = $_POST['status'];
         $file1 = 'access';

        if ($status == "D1") {
            
            $file  = 'checkingStatus';
            if (file_exists($file)) {
            unlink($file);
            file_put_contents($file1, $status, LOCK_EX);
            echo "Accepted";
            
            }
 
            echo "";
            exit;
            
        } else if ($status == "D2") {
            
            $file  = 'checkingStatus';
            if (file_exists($file)) {
            unlink($file);
            file_put_contents($file1, $status, LOCK_EX);
            echo "Denied"; 
            
            }
                

            echo "";
            exit; 
        }
        
        if ($status == "H1") {
            
            
            $file  = 'checkingStatus';
            if (file_exists($file)) {
            unlink($file);
            file_put_contents($file1, $status, LOCK_EX);
            echo "Accepted";            
            
            }   
            
            echo "";
            exit;
            

            
        } else if ($status == "H2"){
            
            
            $file  = 'checkingStatus';
            if (file_exists($file)) {
            unlink($file);
            file_put_contents($file1, $status, LOCK_EX);
            echo "Denied"; 
            
            }
 
            echo "";
            exit; 
        }
    

    
        if ($status == "checking") {
        
            $file2 = 'checkingStatus';

                        
            if (file_exists($file2) && filesize($file2) > 0) {
        
            $fileContent = file_get_contents($file2);
            
            $lines = explode(PHP_EOL, $fileContent);
            $firstLine = trim($lines[0]);
            $secondLine = trim($lines[1]);
            
            $givenTime = $firstLine;
            $currentTimestamp = time();
            $givenTimestamp = strtotime($givenTime);
            
                if ($secondLine == "Dewald") {
                                            
                    if (date("Y-m-d", $currentTimestamp) === date("Y-m-d", $givenTimestamp)) {
                    $testing = $givenTimestamp - $currentTimestamp;
                    if ($testing >= 3600) { // 3600 seconds = 1 hour
                            echo "D_Checking";
                            exit;
                       } else {
                            echo "Expired";
                            unlink($file2);
                       }
                    }      
                  
                }

                if ($secondLine == "Hannes") {
                    
                    if (date("Y-m-d", $currentTimestamp) === date("Y-m-d", $givenTimestamp)) {
                        
                    $testing = $givenTimestamp - $currentTimestamp;

                       if ($testing >= 3600) { // 3600 seconds = 1 hour
                            echo "H_Checking";
                            exit;
                       } else {
                            echo "Expired";
                            unlink($file2);
                       }
                   }   
                  
                } 

            } else {
                
                echo "NO FILE";
            }
        
            
        }
        

}

  
    
}
?>