<?php
require '../config/function.php';

if(isset($_POST['signaturestudent'])) {
    
    if(strlen($_POST['signature']) > 1526) {
        $id = validate($_POST['id']);
        
        $signature = $_POST['signature'];
        $student_id = $_POST['id'];

        $query = "UPDATE tbl_students SET sig_student = '$signature', sig_student_time = NOW() WHERE id = '$id'";
        $result = mysqli_query($conn, $query);

        if($result) {
            header("Location: signature-parent.php");
        } else {
            redirect('signature-student.php', 'Es ist ein Fehler aufgetreten.', 'danger'); 
        }
    } else {
        redirect('signature-student.php', 'Das Feld darf nicht leer sein.', 'danger');
    }
}
require('../assets/fpdf186/fpdf.php'); // Stellen Sie sicher, dass der Pfad zu Ihrem fpdf.php korrekt ist

if(isset($_POST['signatureparent'])) {
    if(strlen($_POST['signature']) > 1526) {
        $id = validate($_POST['id']);
        
        $signature = $_POST['signature'];
        $student_id = $_POST['id'];

        // Update query to include the current timestamp for sig_parent_time
        $query = "UPDATE tbl_students SET sig_parent = '$signature', sig_parent_time = NOW() WHERE id = '$id'";
        $result = mysqli_query($conn, $query);

        if($result) {
            // Fetch the updated record to get the timestamp
            $query = "SELECT sig_parent_time FROM tbl_students WHERE id = '$id'";
            $result = mysqli_query($conn, $query);
            $row = mysqli_fetch_assoc($result);
            $timestamp = $row['sig_parent_time'];

            
            header("Location: signature-completed.php");
        } else {
            redirect('signature-parent.php', 'Es ist ein Fehler aufgetreten.', 'danger'); 
        }
    } else {
        redirect('signature-parent.php', 'Das Feld darf nicht leer sein.', 'danger');
    }
}


?>