Mini Kabibi Habibi

<?php
session_start();
@include 'include/config.php';

if (!isset($_SESSION['username_school'])) {
    header('Location: login.php');
    exit();
}

if (isset($_GET['plan_id'])) {
    $plan_id = $_GET['plan_id'];
    $username = $_SESSION['username_school'];

    // Check if the MISTA plan exists for this user
    $checkPlanQuery = $conn->prepare("SELECT * FROM mista_plans WHERE id = ? AND username = ?");
    $checkPlanQuery->bind_param("is", $plan_id, $username);
    $checkPlanQuery->execute();
    $result = $checkPlanQuery->get_result();

    if ($result->num_rows > 0) {
        // Plan exists, now delete it
        $deleteQuery = $conn->prepare("DELETE FROM mista_plans WHERE id = ? AND username = ?");
        $deleteQuery->bind_param("is", $plan_id, $username);
        if ($deleteQuery->execute()) {
            // Redirect back to the plans page after successful deletion
            header("Location: view_mista_plans.php?msg=deleted");
            exit();
        } else {
            echo "Error: Could not delete the plan.";
        }
    } else {
        echo "Error: Plan not found or does not belong to this user.";
    }
} else {
    echo "Error: Plan ID is missing.";
}
?>