<?php
require_once("env.php");
require_once("session.php");
require_once("connection.php");
require_once("functions.php");

$user_id = isset($_SESSION['user_id']) ? $_SESSION['user_id'] : null;
$eft_id = strtoupper("SUBS " . date("Y") . " " . getLastName($user_id));
$status = 'AWAITING PAYMENT';
$description = 'Membership Fees ' . date("Y") . " " . getLastName($user_id);

$payment_amount = 2500; // Assuming a fixed membership fee, adjust as needed
$payment_date = date('Y-m-d');
$membership_start_date = date('Y-01-01');
$membership_end_date = date('Y-12-31');

$stmt = $conn->prepare("UPDATE membership_fees SET payment_amount = ?, payment_date = ?, membership_start_date = ?, membership_end_date = ?, payment_status = 'PENDING', payment_id = ? WHERE user_id = ?");
$stmt->bind_param("dssssi", $payment_amount, $payment_date, $membership_start_date, $membership_end_date, $eft_id, $user_id);

if ($stmt->execute()) {
    // Commit the transaction
    $conn->commit();
    addSubsEFT($eft_id, $user_id, $status, $payment_amount, $description);
    header("Location:membership_payment.php");
    // Success message
    $response = [
        'status' => 'success',
        'message' => 'Your membership application has been updated successfully!'
    ];
} else {
    throw new Exception("Failed to update membership fee. SQL error: " . $conn->error);
}