Create WooCommerce order programmatically using cart data

/**
 * Get shipping info by using chosen method from cart
 *
 * @param string $type
 * @return string
 */
function ml_get_shipping_data($type = '') {
    $current_shipping_method = WC()->session->get( 'chosen_shipping_methods' );
    if( ! is_array($current_shipping_method) ) {
        return '';
    }

    if( $type === 'method' ) {
        return reset($current_shipping_method);
    }

    $packages = WC()->shipping()->get_packages();

    // Loop through each package
    foreach ($packages as $package_key => $package) {
        // Get the shipping rates for the package
        $rates = $package['rates'];

        // Loop through each shipping rate
        foreach ($rates as $rate_key => $rate) {
            // Get the shipping cost for the rate
            if ($current_shipping_method[0] == $rate->id) {
                $shipping_cost = $rate->cost;
                $shipping_label = $rate->label;

                if( $type === 'cost' ) {
                    return $shipping_cost;
                }

                return $shipping_label;
            }
        }
    }
}

/**
 * Create WooCommerce order programmatically 
 *
 * @param array $data
 * @return int
 */
function ml_create_order($data) {

    global $woocommerce;
    $cart = $woocommerce->cart;
    $cart->calculate_totals();

    $applied_coupons = WC()->cart->get_applied_coupons();

    $current_user = wp_get_current_user();
    $user_id = $current_user->ID;
    $user_login = $current_user->user_login;

    $products = $data['products'];
    $customerInfo = $data['customerInfo'];
    $cardNumber = isset( $data['cardNumber'] ) && ! empty( $data['cardNumber'] ) ? $data['cardNumber'] : '';
    $extraMeta = isset( $data['extraMeta'] ) ? $data['extraMeta'] : [];
    $response = isset( $data['response'] ) ? $data['response'] : [];
    $update = isset( $data['update'] ) ? true : false;
    $fullname = isset( $customerInfo['name'] ) ? $customerInfo['name'] : '';

    // Assuming you have received payment response and details
    $order = wc_create_order();

    // Loop through the products and add them to the order
    foreach ($products as $product) {
        $product_id = $product['product_id'];

        $_product = wc_get_product( $product_id );
        $image_id = $_product->get_image_id();

        $quantity = $product['quantity'];

        $color = isset( $product['color'] ) ? $product['color'] : ''; // Assuming 'color' is part of your product data
        $size = isset( $product['size'] ) ? $product['size'] : '';   // Assuming 'size' is part of your product data
        $price = isset( $product['price'] ) ? $product['price'] : '';
        $alarnd_color_key = isset( $product['alarnd_color_key'] ) ? $product['alarnd_color_key'] : '';
        $alarnd_custom_color = isset( $product['alarnd_custom_color'] ) ? $product['alarnd_custom_color'] : '';
        $alarnd_step_key = isset( $product['alarnd_step_key'] ) ? $product['alarnd_step_key'] : '';

        $extra_meta = [];
        if( ! empty( $color ) ) {
            $extra_meta['color'] = $color;
        }
        if( ! empty( $size ) ) {
            $extra_meta['size'] = $size;
        }
        if( ! empty( $price ) ) {
            $extra_meta['price'] = $price;

            $extra_meta['subtotal'] = $price*$quantity;
            $extra_meta['total'] = $price*$quantity;
        }

        $item_id = $order->add_product($_product, $quantity, $extra_meta);

        // Add color and size as order item meta
        if( ! empty( $color ) ) {
            wc_add_order_item_meta($item_id, __('Color', 'hello-elementor'), $color);
        }

        if( ! empty( $alarnd_custom_color ) ) {
            wc_add_order_item_meta($item_id, __('Color', 'hello-elementor'), $alarnd_custom_color);
        }

        if( ! empty( $size ) ) {
            wc_add_order_item_meta($item_id, __('Size', 'hello-elementor'), $size);
        }
      
        if( ! empty( $image_id ) ) {
            $gen_thumbnail = ml_get_wc_thumbnail_url( $image_id, $product_id, $user_id, $alarnd_color_key );
            if( ! empty( $gen_thumbnail ) ) {
                // Add custom thumbnail URL as post meta for the product
                update_post_meta($product_id, '_generated_thumbnail_url', $gen_thumbnail);
            }
        }
    }

    // Set billing and shipping addresses
    $order->set_address($customerInfo, 'billing');
    $order->set_address($customerInfo, 'shipping');

    $order->set_customer_id( $user_id );

    // Set payment method (e.g., 'zcredit_checkout_payment' for zcredit)
    $order->set_payment_method('zcredit_checkout_payment');
    $order->set_payment_method_title('Z-Credit Payment');

    // Get the chosen shipping method
    $chosen_shipping_method = ml_get_shipping_data('method');

    // Set shipping method
    if (!empty($chosen_shipping_method)) {

        $shipping_cost = ml_get_shipping_data('cost');
        $shipping_title = ml_get_shipping_data();

        // Create a new shipping item
        $shipping_item = new WC_Order_Item_Shipping();
        $shipping_item->set_method_title($shipping_title); // Replace with the shipping method title
        $shipping_item->set_method_id($chosen_shipping_method);
        $shipping_item->set_total($shipping_cost);

        // Add the shipping item to the order
        $order->add_item($shipping_item);

        // Recalculate totals and save the order
        $order->calculate_totals();
    }

    if( ! empty( $response ) && isset( $response['referenceID'] ) ) {
        $order->add_order_note( __( 'Z-Credit Payment Complete.', 'woocommerce_zcredit' ) );
        $order->add_order_note( "Refence Number: #".$response['referenceID']." for Z-Credit" );
        $order->payment_complete();   
    }

    if( ! empty( $response ) && isset( $response['referenceID'] ) ) {

        if( isset( $response['token'] ) && ! empty( $response['token'] ) ) {
            update_post_meta( $order->get_id(), 'zc_payment_token', $response['token'] );
            update_post_meta( $order->get_id(), 'zc_transaction_id', $response['referenceID'] );
        }
        
        if( true === $update ) {
            //TODO - update token and customer info if new or change input.

            if( isset( $response['token'] ) && ! empty( $response['token'] ) ) {
                // ACF field update
                update_acf_usermeta( $user_id, 'token', $response['token'] );
            }

            if( isset( $extraMeta['invoice'] ) && ! empty( $extraMeta['invoice'] ) ) {
                update_acf_usermeta($user_id, 'invoice', $extraMeta['invoice']);
            }
            
            if( isset( $extraMeta['city'] ) && ! empty( $extraMeta['city'] ) ) {
                update_user_meta_if_different($user_id, 'billing_city', $extraMeta['city']);
            }

            if( ! empty( $cardNumber ) ) {
                $last_four_digit = ml_get_last_four_digit($cardNumber);
                $card_type = ml_get_card_type($cardNumber);
    
                $card_info = [];
                $card_info['last_4_digit'] = $last_four_digit;
                $card_info['card_type'] = $card_type;
    
                update_acf_usermeta( $user_id, 'card_info', $card_info);
            }

            $phoneNumber = ml_get_phone_no( $customerInfo['phone'] );
            $countryCode = ml_get_country_code();
            
            // WcooCommerce user field update
            update_user_meta_if_different($user_id, 'billing_address_1', $customerInfo['address_1']);
            update_user_meta_if_different($user_id, 'billing_phone', $customerInfo['phone']);

            update_user_meta_if_different($user_id, 'xoo_ml_phone_code', $countryCode);
            update_user_meta_if_different($user_id, 'xoo_ml_phone_no', $phoneNumber);

            // Email address
            update_user_email_if_different($user_id, $customerInfo['email']);
            
            // Display Name
            update_user_name_if_different($user_id, $fullname);
        }
    }

    // Set the applied coupons to the order
    foreach ($applied_coupons as $coupon_code) {
        $order->apply_coupon($coupon_code);
    }

    $woocommerce->cart->calculate_totals();

    $order->calculate_totals();

    // Mark the order as paid (change this status to match your payment method)
    $order->set_status('wc-processing');
    
    // Save the order
    $order->save();
    
    // Trigger order notification emails
    wc_mail('new_order', __('New Order', 'woocommerce'), '', '', array('order' => $order));

    return $order->get_id();
}