<?php
session_start();
require_once 'db.php';

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    try {
        if (isset($_POST['delete']) && $_POST['delete'] === "delete" && isset($_POST['gaid'])) {
            $gaid = intval($_POST['gaid']);
            
            $con->begin_transaction();
            $stmt = $con->prepare("DELETE FROM groupofattr WHERE gaid = ?");
            $stmt->bind_param("i", $gaid);
            
            if ($stmt->execute()) {
                echo "success| Group of Attribute deleted successfully.";
                $con->commit();
            } else {
                $con->rollback();
                throw new Exception("Error deleting Group of attribute: " . $stmt->error);
            }
            $stmt->close();
        } 
       
         else {
            throw new Exception("Error: Invalid request method or missing parameters!");
        }
    } catch (Exception $e) {
        echo "error|" . $e->getMessage();
    }
} else {
    echo "Error: Invalid request method!";
}
?>