<?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;


if ($_SERVER['REQUEST_METHOD'] === 'POST') {

    // Get all the form fields
    $first_name = $_POST['first_name'];
    $last_name = $_POST['last_name'];
    $id_number = $_POST['id_number'];
    $dob = $_POST['dob'];
    $occupation = $_POST['occupation'];
    $tel_cell = $_POST['tel_cell'];
    $email = $_POST['email'];

    // Spouse or Partner details (optional)
    $spouse_first_name = !empty($_POST['spouse_first_name']) ? $_POST['spouse_first_name'] : null;
    $spouse_last_name = !empty($_POST['spouse_last_name']) ? $_POST['spouse_last_name'] : null;
    $spouse_id_number = !empty($_POST['spouse_id_number']) ? $_POST['spouse_id_number'] : null;
    $spouse_dob = !empty($_POST['spouse_dob']) ? $_POST['spouse_dob'] : NULL; // if empty, set to NULL
    $spouse_occupation = !empty($_POST['spouse_occupation']) ? $_POST['spouse_occupation'] : null;
    $spouse_tel_cell = !empty($_POST['spouse_tel_cell']) ? $_POST['spouse_tel_cell'] : null;
    $spouse_email = !empty($_POST['spouse_email']) ? $_POST['spouse_email'] : null;

    // Children details (optional)
    $child_name1 = !empty($_POST['child_name1']) ? $_POST['child_name1'] : null;
    $child_dob1 = !empty($_POST['child_dob1']) ? $_POST['child_dob1'] : null;
    $child_name2 = !empty($_POST['child_name2']) ? $_POST['child_name2'] : null;
    $child_dob2 = !empty($_POST['child_dob2']) ? $_POST['child_dob2'] : null;
    $child_name3 = !empty($_POST['child_name3']) ? $_POST['child_name3'] : null;
    $child_dob3 = !empty($_POST['child_dob3']) ? $_POST['child_dob3'] : null;

    // Address and other details
    $physical_address = $_POST['physical_address'];
    $postal_address = $_POST['postal_address'];
    $interests_hobbies = $_POST['interests_hobbies'];

    // Primary vehicle details
    $vehicle_make = $_POST['vehicle_make'];
    $vehicle_model = $_POST['vehicle_model'];
    $vehicle_year = $_POST['vehicle_year'];
    $vehicle_registration = $_POST['vehicle_registration'];

    // Secondary vehicle details (optional)
    $secondary_vehicle_make = !empty($_POST['secondary_vehicle_make']) ? $_POST['secondary_vehicle_make'] : null;
    $secondary_vehicle_model = !empty($_POST['secondary_vehicle_model']) ? $_POST['secondary_vehicle_model'] : null;
    $secondary_vehicle_year = !empty($_POST['secondary_vehicle_year']) ? $_POST['secondary_vehicle_year'] : null;
    $secondary_vehicle_registration = !empty($_POST['secondary_vehicle_registration']) ? $_POST['secondary_vehicle_registration'] : null;

    // Start a transaction to ensure data consistency
    $conn->begin_transaction();

    try {
        // Prepare the SQL update statement
        $stmt = $conn->prepare("UPDATE membership_application SET
            first_name = ?, last_name = ?, id_number = ?, dob = ?, occupation = ?, tel_cell = ?, email = ?,
            spouse_first_name = ?, spouse_last_name = ?, spouse_id_number = ?, spouse_dob = ?, spouse_occupation = ?, spouse_tel_cell = ?, spouse_email = ?,
            child_name1 = ?, child_dob1 = ?, child_name2 = ?, child_dob2 = ?, child_name3 = ?, child_dob3 = ?,
            physical_address = ?, postal_address = ?, interests_hobbies = ?, vehicle_make = ?, vehicle_model = ?, vehicle_year = ?, vehicle_registration = ?,
            secondary_vehicle_make = ?, secondary_vehicle_model = ?, secondary_vehicle_year = ?, secondary_vehicle_registration = ?
            WHERE user_id = ?");
    
        // Check if preparation was successful
        if (!$stmt) {
            die("SQL error: " . $conn->error);
        }
    
        $stmt->bind_param(
            "sssssssssssssssssssssssssssssssi",
            $first_name,
            $last_name,
            $id_number,
            $dob,
            $occupation,
            $tel_cell,
            $email,
            $spouse_first_name,
            $spouse_last_name,
            $spouse_id_number,
            $spouse_dob,
            $spouse_occupation,
            $spouse_tel_cell,
            $spouse_email,
            $child_name1,
            $child_dob1,
            $child_name2,
            $child_dob2,
            $child_name3,
            $child_dob3,
            $physical_address,
            $postal_address,
            $interests_hobbies,
            $vehicle_make,
            $vehicle_model,
            $vehicle_year,
            $vehicle_registration,
            $secondary_vehicle_make,
            $secondary_vehicle_model,
            $secondary_vehicle_year,
            $secondary_vehicle_registration,
            $user_id // User ID for WHERE condition
        );
    
        if ($stmt->execute()) {
            $conn->commit();
            header("Location: membership_details.php");
            exit(); // Ensure no further code is executed after the redirect
        } else {
            throw new Exception("Failed to update member application. SQL error: " . $conn->error);
        }
    } catch (Exception $e) {
        // Rollback the transaction in case of error
        $conn->rollback();
    
        // Error response
        $response = [
            'status' => 'error',
            'message' => 'Error: ' . $e->getMessage()
        ];
    }
}
?>