diff --git a/admin/class-wc-invoice-payment-admin.php b/admin/class-wc-invoice-payment-admin.php
index a27fe19..8dcabee 100755
--- a/admin/class-wc-invoice-payment-admin.php
+++ b/admin/class-wc-invoice-payment-admin.php
@@ -1133,6 +1133,7 @@ public function add_invoice_form_submit_handle(): void {
                         'total' => $totalAmount,
                     )
                 );
+                
                 $order->update_meta_data('wcip_extra_data', $extraData);
                 $order->update_meta_data('wcip_footer_notes', $footerNotes);
 
@@ -1163,6 +1164,7 @@ public function add_invoice_form_submit_handle(): void {
                 $order->add_meta_data('lkn_ini_date', $iniDate->format('Y-m-d'));
 
                 $order->calculate_totals();
+
                 $order->save();
 
                 $orderId = $order->get_id();
diff --git a/admin/class-wc-invoice-payment-table.php b/admin/class-wc-invoice-payment-table.php
index ef07ce5..aadcc6d 100755
--- a/admin/class-wc-invoice-payment-table.php
+++ b/admin/class-wc-invoice-payment-table.php
@@ -1517,8 +1517,6 @@ public function lkn_wcip_list_table_data($order_by = '', $order = '', $search_te
                 $iniDate = $invoice->get_meta('lkn_ini_date');
                 $iniDate = empty($iniDate) ? '-' : date($dateFormat, strtotime($iniDate));
 
-                echo "<script>console.log(".json_encode($iniDate).")</script>";
-
                 $data_array[] = [
                     'lkn_wcip_id' => $invoiceId,
                     'lkn_wcip_client' => $invoice->get_billing_first_name(),
diff --git a/admin/js/wc-invoice-payment-subscription.js b/admin/js/wc-invoice-payment-subscription.js
index 2b2a4c3..87fd0a2 100755
--- a/admin/js/wc-invoice-payment-subscription.js
+++ b/admin/js/wc-invoice-payment-subscription.js
@@ -1 +1,13 @@
-document.querySelector("subscriptionTab_options.subscriptionTab_tab").style.display = "none"
\ No newline at end of file
+showTab()
+document.querySelector("#_lkn-wcip-subscription-product").onchange = ()=>{showTab()}
+
+function showTab(){
+    let subscriptionCheckbox = document.querySelector("#_lkn-wcip-subscription-product")
+    let subscriptionTab = document.querySelector(".subscriptionTab_options.subscriptionTab_tab")
+
+    if(subscriptionCheckbox.checked){
+        subscriptionTab.style.display = ""
+    }else{
+        subscriptionTab.style.display = "none"
+    }
+}
\ No newline at end of file
diff --git a/includes/class-wc-invoice-payment-endpoint.php b/includes/class-wc-invoice-payment-endpoint.php
new file mode 100644
index 0000000..483d3c4
--- /dev/null
+++ b/includes/class-wc-invoice-payment-endpoint.php
@@ -0,0 +1,20 @@
+<?php
+use WP_Error;
+use WP_REST_Response;
+
+class Wc_Payment_Invoice_Endpoint {
+    public function createInvoiceEndpoint(): void {
+        register_rest_route('invoice_payments', '/create_invoice', array(
+            'methods' => 'POST',
+            'callback' => array($this, 'createInvoice'),
+        ));
+    }
+    
+    public function createInvoice($request) {
+        $parameters = $request->get_params();
+        
+        return new WP_REST_Response(json_encode($parameters), 200);
+    }
+    
+
+}
diff --git a/includes/class-wc-invoice-payment-subscription.php b/includes/class-wc-invoice-payment-subscription.php
index 1b277b0..fd9d5e0 100644
--- a/includes/class-wc-invoice-payment-subscription.php
+++ b/includes/class-wc-invoice-payment-subscription.php
@@ -1,8 +1,8 @@
 <?php
 
-class Wc_Payment_Invoice_Loader_Subscription{
+class Wc_Payment_Invoice_Subscription{
 
-    public function addCheckbox( $products_type ) {
+    public function add_checkbox( $products_type ) {
         global $post;
         $subscription_interval = get_post_meta( $post->ID, '_lkn-wcip-subscription-product', true );
         $products_type['subscriptionCheckbox'] = array(
@@ -15,38 +15,28 @@ public function addCheckbox( $products_type ) {
 		return $products_type;
 	}
 
-    public function addTab( $tabs ) {
+    public function add_tab( $tabs ) {
 		$tabs['subscriptionTab'] = array(
 			'label'    => __( 'Subscription', 'wc-invoice-payment' ),
 			'target'   => 'lkn-wcip-subscription-data',
 			'class'    => array(),
 			'priority' => 90,
 		);		
-        return apply_filters( 'testee5', $tabs );       
+        return apply_filters( 'testee5', $tabs ); //TODO Remover teste
 	}
     
-    function meu_processo_de_validacao( $order_id ) {
-        // Obtenha o pedido
-        $order = wc_get_order( $order_id );
-        echo "<script>consoe(".json_encode($order).")</script>";
-        add_option($order_id."Teste", json_encode($_POST));
-        // Iterar sobre os itens do pedido
-        
-    }
-    //TODO Finalizar logica de intervalo de geração de fatura com o WP Crontrol
-    //TODO Fazer logica para o campo de intervalo não ser obrigatório quando estiver invisivel
-    //TODO Alterar classes e traduções 
-    public function addTextFieldToSubscriptionTab() {
+    //TODO Terminar logica de exibição dos campos na criação de fatura com WP Cron
+    //TODO Alterar traduções 
+    public function add_text_field_to_subscription_tab() {
         global $post;
-        $subscription_number = get_post_meta( $post->ID, 'wps_sfw_subscription_number', true );
-        $subscription_interval = get_post_meta( $post->ID, 'wps_sfw_subscription_interval', true );
-    
+        $subscription_number = get_post_meta( $post->ID, 'lkn_wcip_subscription_interval_number', true );
+        $subscription_interval = get_post_meta( $post->ID, 'lkn_wcip_subscription_interval_type', true );
         echo <<<HTML
             <div id="lkn-wcip-subscription-data" class="panel woocommerce_options_panel">
-                <p class="form-field wps_sfw_subscription_number_field">
-                    <label for="wps_sfw_subscription_number">Subscriptions Per Interval</label>
-                    <input type="number" class="short wc_input_number" min="1" required="" name="wps_sfw_subscription_number" id="wps_sfw_subscription_number" value="{$subscription_number}">
-                    <select id="wps_sfw_subscription_interval" name="wps_sfw_subscription_interval" class="wps_sfw_subscription_interval">
+                <p class="form-field">
+                    <label for="lkn_wcip_subscription_interval_number">Subscriptions Per Interval</label>
+                    <input type="number" class="short wc_input_number" min="1" name="lkn_wcip_subscription_interval_number" id="lkn_wcip_subscription_interval_number" value="{$subscription_number}">
+                    <select id="lkn_wcip_subscription_interval_type" name="lkn_wcip_subscription_interval_type" class="lkn_wcip_subscription_interval_type">
         HTML;
                         echo '<option value="day"';
                         echo ($subscription_interval == 'day') ? ' selected="selected"' : '';
@@ -67,19 +57,21 @@ public function addTextFieldToSubscriptionTab() {
                     </select>
                 </p>
             </div>
+            
+
         HTML;
         wp_enqueue_script( 'custom-admin-js', plugin_dir_url(__FILE__) . '../admin/js/wc-invoice-payment-subscription.js', array( 'jquery' ), '', true );
     }
 
     public function save_subscription_fields( $post_id ) {
-        if ( isset( $_POST['wps_sfw_subscription_number'] ) ) {
-            $subscription_number = sanitize_text_field( $_POST['wps_sfw_subscription_number'] );
-            update_post_meta( $post_id, 'wps_sfw_subscription_number', $subscription_number );
+        if ( isset( $_POST['lkn_wcip_subscription_interval_number'] ) ) {
+            $subscription_number = sanitize_text_field( $_POST['lkn_wcip_subscription_interval_number'] );
+            update_post_meta( $post_id, 'lkn_wcip_subscription_interval_number', $subscription_number );
         }
     
-        if ( isset( $_POST['wps_sfw_subscription_interval'] ) ) {
-            $subscription_interval = sanitize_text_field( $_POST['wps_sfw_subscription_interval'] );
-            update_post_meta( $post_id, 'wps_sfw_subscription_interval', $subscription_interval );
+        if ( isset( $_POST['lkn_wcip_subscription_interval_type'] ) ) {
+            $subscription_interval = sanitize_text_field( $_POST['lkn_wcip_subscription_interval_type'] );
+            update_post_meta( $post_id, 'lkn_wcip_subscription_interval_type', $subscription_interval );
         }
 
         if ( isset( $_POST['_lkn-wcip-subscription-product'] ) ) {
@@ -89,5 +81,159 @@ public function save_subscription_fields( $post_id ) {
             update_post_meta( $post_id, '_lkn-wcip-subscription-product', '' );
         }
     }
+    function validate_product( $order_id ) {
+        $order = wc_get_order( $order_id );
+        $items = $order->get_items();
+    
+        foreach ( $items as $item ) {
+            $product_id = $item->get_product_id();
+            $is_subscription_enabled = get_post_meta( $product_id, '_lkn-wcip-subscription-product', true );
+    
+            if ( $is_subscription_enabled === 'on' ) {
+                $subscription_interval_number = get_post_meta( $product_id, 'lkn_wcip_subscription_interval_number', true );
+                $subscription_interval_type = get_post_meta( $product_id, 'lkn_wcip_subscription_interval_type', true );
+    
+                $next_due_date = $this->calculate_next_due_date( $subscription_interval_number, $subscription_interval_type );
+    
+                $this->schedule_next_invoice_generation( $order_id, $next_due_date );
+            }
+        }
+    }
+    
+    function calculate_next_due_date( $interval_number, $interval_type ) {
+        $current_time = current_time( 'timestamp' );
+    
+        switch ( $interval_type ) {
+            case 'day':
+                $next_due_date = strtotime( "+{$interval_number} day", $current_time );
+                // Se a fatura for maior que uma semana, diminua uma semana da data de vencimento
+                if ($interval_number > 7) {
+                    $next_due_date = strtotime( "-1 week", $next_due_date );
+                }
+                // Se for uma semana ou menos, diminua alguns dias
+                elseif ($interval_number <= 7 && $interval_number > 1) {
+                    $next_due_date = strtotime( "-3 days", $next_due_date );
+                }
+                // Se for apenas um dia, diminua algumas horas
+                elseif ($interval_number == 1) {
+                    $next_due_date = strtotime( "-6 hours", $next_due_date );
+                }
+                break;
+            case 'week':
+                $next_due_date = strtotime( "+{$interval_number} week", $current_time );
+                // Se a fatura for maior que uma semana, diminua uma semana da data de vencimento
+                if ($interval_number > 1) {
+                    $next_due_date = strtotime( "-1 week", $next_due_date );
+                }
+                // Se for apenas uma semana, diminua alguns dias
+                else {
+                    $next_due_date = strtotime( "-3 days", $next_due_date );
+                }
+                break;
+            case 'month':
+                $next_due_date = strtotime( "+{$interval_number} month", $current_time );
+                // Se a fatura for maior que um mês, diminua algumas semanas
+                if ($interval_number > 1) {
+                    $next_due_date = strtotime( "-2 weeks", $next_due_date );
+                }
+                // Se for apenas um mês, diminua alguns dias
+                else {
+                    $next_due_date = strtotime( "-3 days", $next_due_date );
+                }
+                break;
+            case 'year':
+                $next_due_date = strtotime( "+{$interval_number} year", $current_time );
+                // Se a fatura for maior que um ano, diminua alguns meses
+                if ($interval_number > 1) {
+                    $next_due_date = strtotime( "-3 months", $next_due_date );
+                }
+                // Se for apenas um ano, diminua algumas semanas
+                else {
+                    $next_due_date = strtotime( "-2 weeks", $next_due_date );
+                }
+                break;
+            default:
+                $next_due_date = 0;
+                break;
+        }
+    
+        return $next_due_date;
+    }
+    
+    
+    function schedule_next_invoice_generation( $order_id, $due_date ) {
+        wp_schedule_single_event( $due_date, 'generate_invoice_event', array( $order_id ) );
+    }
+    
+    function create_next_invoice( $order_id ) {
+        $order = wc_get_order( $order_id );
+
+        $customer_id = $order->get_customer_id();
+        $billing_email = $order->get_billing_email();
+        $billing_first_name = $order->get_billing_first_name();
+        $billing_last_name = $order->get_billing_last_name();
+        $payment_method = $order->get_payment_method();
+        $currency = $order->get_currency();
+        $exp_date = $order->get_meta('lkn_exp_date');
+
+        $new_order = wc_create_order( array(
+            'status' => 'wc-pending',
+            'customer_id' => $customer_id,
+            'currency' => $currency,
+        ) );
+        $new_order->set_billing_first_name($billing_first_name);
+        $new_order->set_billing_last_name($billing_last_name);
+        $new_order->set_billing_email($billing_email);
+        $new_order->set_payment_method($payment_method);
+        if ( ! $new_order ) {
+            return;
+        }
+        add_option("dataExpirada", json_encode($exp_date));
+        // Definir a data de vencimento da nova ordem com base na data de vencimento da ordem original
+        $new_order->update_meta_data( 'lkn_exp_date', $exp_date );
+
+        // Calcular e definir o total da nova ordem com base nos itens da ordem original
+        $total_amount = 0;
+        foreach ( $order->get_items() as $item ) {
+            $total_amount += $item->get_total();
+            $new_order->add_product( $item->get_product(), $item->get_quantity() );
+        }
+        $new_order->set_total( $total_amount );
+
+        // Calcular totais e salvar a nova ordem
+        $new_order->calculate_totals();
+        $new_order->save();
+
+        // Adicionar a nova ordem à lista de faturas
+        $invoice_list = get_option( 'lkn_wcip_invoices', array() );
+        $invoice_list[] = $new_order->get_id();
+        update_option( 'lkn_wcip_invoices', $invoice_list );
+
+        // Agendar evento cron para a nova ordem, se necessário
+        if ( ! empty( $exp_date ) ) {
+            $today_time = time();
+            $exp_date_time = strtotime( $exp_date );
+            $next_verification = 0;
+
+            if ( $today_time > $exp_date_time ) {
+                $next_verification = $today_time - $exp_date_time;
+            } else {
+                $next_verification = $exp_date_time - $today_time;
+            }
+
+            wp_schedule_event( time() + $next_verification, 'daily', 'lkn_wcip_cron_hook', array( $new_order->get_id() ) );
+        }
+
+        // Enviar e-mail de notificação ao cliente, se necessário
+        if ( isset( $_POST['lkn_wcip_form_actions'] ) && sanitize_text_field( $_POST['lkn_wcip_form_actions'] ) === 'send_email' ) {
+            WC()->mailer()->customer_invoice( $new_order );
+
+            // Adicionar nota de ordem
+            $new_order->add_order_note( __( 'Order details manually sent to customer.', 'woocommerce' ), false, true );
+        }
+
+        // Exibir mensagem de sucesso
+        echo '<div class="lkn_wcip_notice_positive">' . esc_html( __( 'Invoice successfully created', 'wc-invoice-payment' ) ) . '</div>';
+    }
     
 }
\ No newline at end of file
diff --git a/includes/class-wc-invoice-payment.php b/includes/class-wc-invoice-payment.php
index 3915365..eb9c479 100755
--- a/includes/class-wc-invoice-payment.php
+++ b/includes/class-wc-invoice-payment.php
@@ -199,13 +199,14 @@ private function define_admin_hooks(): void {
 
         $api_handler = new Wc_Payment_Invoice_Loader_Rest();
         $this->loader->add_action('rest_api_init', $api_handler, 'register_routes');
-        $subscriptionClass = new Wc_Payment_Invoice_Loader_Subscription();
-        $this->loader->add_action( 'product_type_options', $subscriptionClass, 'addCheckbox' );
-        $this->loader->add_filter( 'woocommerce_product_data_tabs', $subscriptionClass, 'addTab' );
-        $this->loader->add_action( 'woocommerce_checkout_order_processed',$subscriptionClass, 'meu_processo_de_validacao');
-        $this->loader->add_action( 'woocommerce_product_data_panels', $subscriptionClass, 'addTextFieldToSubscriptionTab');
-        $this->loader->add_action( 'woocommerce_process_product_meta', $subscriptionClass, 'save_subscription_fields' );
-
+        $subscription_class = new Wc_Payment_Invoice_Subscription();
+        $this->loader->add_action( 'product_type_options', $subscription_class, 'add_checkbox' );
+        $this->loader->add_filter( 'woocommerce_product_data_tabs', $subscription_class, 'add_tab' );
+        $this->loader->add_action( 'woocommerce_checkout_order_processed',$subscription_class, 'validate_product');
+        $this->loader->add_action( 'woocommerce_product_data_panels', $subscription_class, 'add_text_field_to_subscription_tab');
+        $this->loader->add_action( 'woocommerce_process_product_meta', $subscription_class, 'save_subscription_fields' );
+
+        $this->loader->add_action( 'generate_invoice_event', $subscription_class, 'create_next_invoice', 10, 1 );
     }
     
     /**