<?php
namespace Formipay;
use Formipay\Traits\SingletonTrait;

if ( ! defined( 'ABSPATH' ) ) exit;

class Coupon {

    use SingletonTrait;

	/**
	 * Initializes the plugin by setting filters and administration functions.
	 */
    
    protected function __construct() {

        add_action( 'init',                                 [$this, 'cpt'] );
        add_action( 'admin_menu',                           [$this, 'add_submenu'] );
        add_action( 'admin_enqueue_scripts',                [$this, 'enqueue_admin'] );

        add_filter( 'stm_wpcfto_boxes',                     [$this, 'cpt_post_fields_box'] );
        add_filter( 'stm_wpcfto_fields',                    [$this, 'cpt_post_fields_content'] );
        add_filter( 'formipay/coupon-config',               [$this, 'rule_config'] );
        add_filter( 'formipay/coupon-config',               [$this, 'restriction_config'] );
        add_filter( 'formipay/admin-editor/layout/static-elements-sort', [$this, 'add_static_element'] );
        add_action( 'formipay/render/static-element',       [$this, 'render_static_element'] );

        add_action( 'wp_ajax_check_coupon_code',            [$this, 'check_coupon_code'] );
        add_action( 'wp_ajax_nopriv_check_coupon_code',     [$this, 'check_coupon_code'] );

        // Admin Page
        add_action( 'wp_ajax_formipay_coupon_get_products', [$this, 'formipay_coupon_get_products'] );
        add_action( 'wp_ajax_formipay-tabledata-coupons',   [$this, 'formipay_tabledata_coupons'] );
        add_action( 'wp_ajax_formipay-create-coupon-post',  [$this, 'formipay_create_coupon_post'] );
        add_action( 'wp_ajax_formipay-delete-coupon',       [$this, 'formipay_delete_coupon'] );
        add_action( 'wp_ajax_formipay-bulk-delete-coupon',  [$this, 'formipay_bulk_delete_coupon'] );
        add_action( 'wp_ajax_formipay-duplicate-coupon',    [$this, 'formipay_duplicate_coupon'] );

        // Order
        add_filter( 'formipay/order/order-details',         [$this, 'order_details'], 99, 3 );
        // Paypal
        add_filter( 'formipay/order/paypal/payload/breakdown',  [$this, 'add_discount_item'], 99, 3 );

    }

    public function cpt() {

        $labels = array(
            'name'                  => __('Coupons', 'formipay'),
            'singular_name'         => __('Coupon', 'formipay'),
            // 'menu_name'             => 'Formipay',
            'add_new'               => __('Add New', 'formipay'),
            'add_new_item'          => __('Add New Coupon', 'formipay'),
            'edit'                  => __('Edit', 'formipay'),
            'edit_item'             => __('Edit Coupon', 'formipay'),
            'new_item'              => __('New Coupon', 'formipay'),
            'view'                  => __('View', 'formipay'),
            'view_item'             => __('View Coupon', 'formipay'),
            'search_items'          => __('Search Coupon', 'formipay'),
            'not_found'             => __('No coupons found', 'formipay'),
            'not_found_in_trash'    => __('No coupons found in trash', 'formipay'),
            'parent'                => __('Coupon Parent', 'formipay')
        );
    
        $args = array(
            'label'                 => 'Coupons',
            'description'           => __('Coupon for marketing campaign', 'formipay'),
            'labels'                => $labels,
            'public'                => false,
            'supports'              => array( 'title' ),
            'hierarchical'          => false,
            'has_archive'           => false,
            'show_ui'               => true,
            'show_in_menu'          => false,
            'show_in_rest'          => false,
            'query_var'             => true
        );
    
        register_post_type( 'formipay-coupon', $args );

    }

    public function add_submenu() {

        add_submenu_page( 
            'formipay', 
            __( 'Coupons', 'formipay' ),
            __( 'Coupons', 'formipay' ),
            'manage_options',
            'formipay-coupons', 
            [$this, 'formipay_coupon'], 
        );

    }

    public function formipay_coupon() {
        include_once FORMIPAY_PATH . 'admin/page-coupons.php';
    }

    public function enqueue_admin() {

        global $current_screen;
        
        if($current_screen->id == 'formipay_page_formipay-coupons') {
            
            wp_enqueue_style( 'page-coupons', FORMIPAY_URL . 'admin/assets/css/page-coupons.css', [], FORMIPAY_VERSION, 'all' );
            wp_enqueue_script( 'page-coupons', FORMIPAY_URL . 'admin/assets/js/page-coupons.js', ['jquery', 'gridjs'], FORMIPAY_VERSION, true );

            wp_localize_script( 'page-coupons', 'formipay_coupons_page', [
                'ajax_url' => admin_url('admin-ajax.php'),
                'site_url' => site_url(),
                'columns' => [
                    'id' => esc_html__( 'ID', 'formipay' ),
                    'code' => esc_html__( 'Coupon Code', 'formipay' ),
                    'products' => esc_html__( 'Product Relation', 'formipay' ),
                    'usages' => esc_html__( 'Usages', 'formipay' ),
                    'date_limit' => esc_html__( 'Date Limit', 'formipay' ),
                    'status' => esc_html__( 'Status', 'formipay' ),
                    'type' => esc_html__( 'Type', 'formipay' ),
                    'amount' => esc_html__( 'Amount', 'formipay' )
                ],
                'filter_form' => [
                    'products' => [
                        'placeholder' => esc_html__( 'Filter by Product', 'formipay' ),
                        'noresult_text' => esc_html__( 'No results found', 'formipay' )
                    ]
                    ],
                'modal' => [
                    'add' => [
                        'title' => esc_html__( 'Your New Coupon Code', 'formipay' ),
                        'validation' => esc_html__( 'Coupon code is still empty. Please input the code before continue', 'formipay' ),
                        'cancelButton' => esc_html__( 'Cancel', 'formipay' ),
                        'confirmButton' => esc_html__( 'Create New Coupon', 'formipay' )
                    ],
                    'delete' => [
                        'question' => esc_html__( 'Do you want to delete the coupon?', 'formipay' ),
                        'cancelButton' => esc_html__( 'Cancel', 'formipay' ),
                        'confirmButton' => esc_html__( 'Delete Permanently', 'formipay' )
                    ],
                    'bulk_delete' => [
                        'question' => esc_html__( 'Do you want to delete the selected the coupon(s)?', 'formipay' ),
                        'cancelButton' => esc_html__( 'Cancel', 'formipay' ),
                        'confirmButton' => esc_html__( 'Confirm', 'formipay' )
                    ],
                    'duplicate' => [
                        'question' => esc_html__( 'Do you want to duplicate the coupon?', 'formipay' ),
                        'cancelButton' => esc_html__( 'Cancel', 'formipay' ),
                        'confirmButton' => esc_html__( 'Confirm', 'formipay' )
                    ],
                ],
                'nonce' => wp_create_nonce('formipay-admin-coupon-page')
            ] );
        }

        $screen = get_current_screen();

        if ( $screen->post_type === 'formipay-coupon' && $screen->base === 'post' ) {
            wp_enqueue_style( 'sweetalert2', FORMIPAY_URL . 'vendor/SweetAlert2/sweetalert2.min.css', [], '11.14.4', 'all');
            wp_enqueue_script( 'sweetalert2', FORMIPAY_URL . 'vendor/SweetAlert2/sweetalert2.min.js', ['jquery'], '11.14.4', true);

            wp_localize_script( 'sweetalert2', 'formipay_admin', [
                'ajax_url' => admin_url('admin-ajax.php'),
                'site_url' => site_url(),
            ] );

        }
    }

    public function cpt_post_fields_box($boxes) {
        $boxes['formipay_coupon_settings'] = array(
            'post_type' => array('formipay-coupon'),
            'label' => __('Details', 'formipay'),
        );
    
        return $boxes;
    }

    public function cpt_post_fields_content($fields) {

        $fields['formipay_coupon_settings'] = array();

        $fields = apply_filters( 'formipay/coupon-config', $fields );
    
        return $fields;

    }
    
    public function rule_config($fields) {

        // Group : Rules
        $rules_group = array(
            'active' => array(
                'type' => 'checkbox',
                'label' => __( 'Active this coupon', 'formipay' ),
                'value' => true
            ),
            'rules_group' => array(
                'type'  => 'group_title',
                'label' => __( 'Rules', 'formipay' ),
                'description' => __( 'Define the rules of this coupon.', 'formipay' ),
                'group' => 'started'
            ),
            'case_sensitive' => array(
                'type' => 'checkbox',
                'label' => __( 'Case Sensitive', 'formipay' ),
                'description' => __( 'If this activated, coupon codes must be entered with the exact capitalization as specified. <br>
                For example code <B>SAVE10</b>:<br>
                - <b>SAVE10</b> is valid<br>
                - <b>save10</b> is invalid<br>
                - <b>Save10</b> is invalid.', 'formipay' )
            ),
            'type' => array(
                'type' => 'radio',
                'label' => __( 'Type', 'formipay' ),
                'options' => array(
                    'fixed' => __( 'Fixed', 'formipay' ),
                    'percentage' => __( 'Percentage', 'formipay' )
                )
            ),
            'amount' => array(
                'type' => 'number',
                'label' => __( 'Amount', 'formipay' ),
                'description' => sprintf('<span style="color: red;">' . __( 'Be carefully, this amount is not regarding the currency.', 'formipay') . '</span>' )
            ),
            'free_shipping' => array(
                'type' => 'checkbox',
                'label' => __( 'Free Shipping', 'formipay' ),
                'description' => __( 'Shipping cost will be free when this coupon applied.', 'formipay' )
            ),
            'quantity_active' => array(
                'type' => 'checkbox',
                'label' => __( 'Influenced by Quantity', 'formipay' ),
                'description' => __( 'Example: when buyer buy 4 pcs of item, 4 × discount amount will be implemented.', 'formipay' ),
                'dependency' => array(
                    'key' => 'type',
                    'value' => 'fixed'
                )
            ),
            'max_discount' => array(
                'type' => 'number',
                'label' => __( 'Max Discount Amount', 'formipay' ),
                'description' => __( 'Leave it empty to not limit the max discount amount.', 'formipay' )
            ),
        );

        $rules_group = apply_filters( 'formipay/coupon-settings/tab:rules/group:rules', $rules_group );

        $last_rules_group = array_key_last($rules_group);
        $rules_group[$last_rules_group]['group'] = 'ended';

        $all_group_merged = $rules_group;

        $settings_all_fields = apply_filters( 'formipay/coupon-settings/tab:rules', $all_group_merged );

        $settings_fields = [];
        if(!empty($settings_all_fields)){
            foreach($settings_all_fields as $key => $value){
                $settings_fields[$key] = $value;
            }
        }

        $fields['formipay_coupon_settings']['rules'] = array(
            'name' => __('Rules', 'formipay'),
            'fields' => $settings_fields
        );

        return $fields;

    }
    
    public function restriction_config($fields) {

        // Group : Restrictions
        $restriction_group = array(
            'restriction_group' => array(
                'type'  => 'group_title',
                'label' => __( 'Restrictions', 'formipay' ),
                'group' => 'started'
            ),
            'use_limit' => array(
                'type' => 'number',
                'label' => __( 'Usage Limit', 'formipay' ),
                'description' => __( 'Leave it empty or 0 (zero) to set it as unlimited usage.', 'formipay' )
            ),
            'date_limit' => array(
                'type' => 'date',
                'label' => __( 'Date Limit', 'formipay' ),
                'description' => __( 'Chosen date is the last day the coupon can be used. Leave it empty tio set it as no-limit date.', 'formipay' )
            ),
            'forms' => array(
                'type' => 'autocomplete',
                'post_type' => array('formipay-form'),
                'label' => __( 'These forms can use the coupon', 'formipay' ),
                'description' => __( 'Leave it empty to enable all forms to use this coupon. <span style="color: red;">Please be carefully, this coupon amount is not regarding the currency of the selected form.</span>', 'formipay' )
            )
        );

        $restriction_group = apply_filters( 'formipay/coupon-settings/tab:restriction/group:restrictions', $restriction_group );

        $last_restriction_group = array_key_last($restriction_group);
        $restriction_group[$last_restriction_group]['group'] = 'ended';

        $details_all_fields = apply_filters( 'formipay/coupon-settings/tab:restriction', $restriction_group );

        $details_fields = [];
        if(!empty($details_all_fields)){
            foreach($details_all_fields as $key => $value){
                $details_fields[$key] = $value;
            }
        }

        $fields['formipay_coupon_settings']['restriction'] = array(
            'name' => __('Restrictions', 'formipay'),
            'fields' => $details_fields
        );

        return $fields;

    }

    public function add_static_element($elements) {

        $elements[] = [
            'id' => 'coupon_field',
            'label' => __( 'Coupon Field', 'formipay' )
        ];

        return $elements;

    }

    public function render_static_element($element_id) {

        if($element_id == 'coupon_field'){
            ?>
                <div class="formipay-field-group">
                    <div class="formipay-coupon-field-group">
                        <input type="text" name="coupon_code"
                            class="formipay-input formipay-code-input"
                            value="<?php echo 
                            // phpcs:ignore WordPress.Security.NonceVerification.Recommended
                            isset($_GET['coupon']) ? esc_attr( sanitize_text_field( wp_unslash($_GET['coupon']) ) ) : '' 
                            ?>" placeholder="<?php echo esc_attr__('Your coupon code', 'formipay'); ?>"
                            data-label="<?php echo esc_attr__('Coupon Code', 'formipay'); ?>">
                        <button type="button" data-text="<?php echo esc_attr__( 'Apply', 'formipay' ); ?>" data-checking="<?php echo esc_attr__( 'Checking...', 'formipay' ); ?>" id="apply_coupon_code"><?php echo esc_attr__( 'Apply', 'formipay' ); ?></button>
                    </div>
                    <div class="formipay-coupon-alert-message"></div>
                </div>
            <?php
        }

    }

    public function check_coupon_code() {

        check_ajax_referer( 'formipay-frontend-nonce', 'security' );

        $code = isset($_REQUEST['code']) ? sanitize_text_field( wp_unslash($_REQUEST['code']) ) : '';
        $form_id = isset($_REQUEST['form']) ? intval( $_REQUEST['form'] ) : 0;

        $check_code = formipay_get_coupon_id_by_code($code, $form_id);

        if(false == $check_code){
            wp_send_json_error( [
                'message' => __( 'Coupon code is not valid', 'formipay' )
            ] );
        }

        wp_send_json_success();

    }

    public function order_details($details, $form_id, $order_data) {

        if( isset($order_data['coupon_code']) && !empty($order_data['coupon_code']) ) {

            $coupon_id = formipay_get_coupon_id_by_code( sanitize_text_field( $order_data['coupon_code'] ), $form_id );

            if(false !== $coupon_id) {

                $amount = floatval( formipay_get_post_meta( $coupon_id, 'amount' ) );
                $discount = $amount;
                $coupon_type = formipay_get_post_meta( $coupon_id, 'type' );

                $qty = 1;
                if( formipay_get_post_meta( $form_id, 'product_quantity_toggle' ) == 'on' ){
                    $qty = intval($order_data['qty']);
                }

                if( $coupon_type == 'percentage' ){
                    $product_price = floatval( formipay_get_post_meta( $form_id, 'product_price' ) );
                    $amount = $amount / 100;
                    $discount = $product_price * $amount;
                }

                $amount = $discount * $qty;
                $amount = $amount * -1;

                $details[] = [
                    'item'      => esc_html( $order_data['coupon_code'] ),
                    'amount'    => floatval($amount),
                    'subtotal'  => floatval($amount),
                    'context'   => 'sub'
                ];

            }

        }

        return $details;

    }

    public function count_order_by_coupon_code($coupon_code) {

        global $wpdb;
        $table = $wpdb->prefix .'formipay_orders';
        // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching
        $data = $wpdb->get_results(
            $wpdb->prepare(
                "SELECT COUNT(id) as count FROM %i WHERE `items` LIKE %s", $table, '%' . $wpdb->esc_like($coupon_code) . '%'
            )
        );
        
        return $data[0]->count;

    }

    public function add_discount_item($breakdown, $currency, $order_data) {

        if( isset($order_data['form_data']['coupon_code']) && !empty($order_data['form_data']['coupon_code']) ) {

            $form_id = $order_data['form_id'];
            $coupon_id = formipay_get_coupon_id_by_code( sanitize_text_field( $order_data['form_data']['coupon_code'] ), $form_id );

            if(false !== $coupon_id) {

                $amount = floatval( formipay_get_post_meta( $coupon_id, 'amount' ) );
                $discount = $amount;
                $coupon_type = formipay_get_post_meta( $coupon_id, 'type' );
                
                $qty = 1;
                if( formipay_get_post_meta( $form_id, 'product_quantity_toggle' ) == 'on' ){
                    $qty = intval($order_data['form_data']['qty']);
                }

                if( $coupon_type == 'percentage' ){
                    $product_price = floatval( formipay_get_post_meta( $form_id, 'product_price' ) );
                    $amount = $amount / 100;
                    $discount = $product_price * $amount;
                }

                $breakdown['item_total']['value'] += $discount;
                $breakdown['discount'] = array(
                    "currency_code" => $currency,
                    "value" => $discount
                );

            }

        }

        return $breakdown;

    }

    public function formipay_tabledata_coupons() {

        check_ajax_referer( 'formipay-admin-coupon-page', '_wpnonce' );

        $args = [
            'post_type' => 'formipay-coupon',
            'posts_per_page' => -1,
            'post_status' => array( 'pending', 'draft', 'publish' )
        ];

        $get_total_coupons = get_posts($args);

        $coupon_status = [
            'all' => 0,
            'active' => 0,
            'inactive' => 0
        ];
        if(!empty($get_total_coupons)){
            foreach($get_total_coupons as $coupon){
                $status = (formipay_get_post_meta($coupon->ID, 'active') == 'on') ? 'active' : 'inactive';
                $coupon_status['all'] = intval($coupon_status['all']) + 1;
                if($status == 'active'){
                    $coupon_status['active'] = intval($coupon_status['active']) + 1;
                }elseif($status == 'inactive'){
                    $coupon_status['inactive'] = intval($coupon_status['inactive']) + 1;
                }
            }
        }

        if(isset($_REQUEST['limit'])){
            $args['posts_per_page'] = intval($_REQUEST['limit']);
        }

        if(isset($_REQUEST['offset'])){
            $args['offset'] = intval($_REQUEST['offset']);
        }

        if(!empty($_REQUEST['search'])){
            $args['s'] = sanitize_text_field( wp_unslash($_REQUEST['search']) );
        }

        $get_coupons = get_posts($args);

        $coupons = [];
        if(!empty($get_coupons)){
            foreach($get_coupons as $key => $coupon){

                $active = true;

                $products = !empty(formipay_get_post_meta($coupon->ID, 'forms')) ? explode(',', formipay_get_post_meta($coupon->ID, 'forms')) : [];
                $product_titles = [];
                if(!empty($products)){
                    foreach($products as $product_id){
                        if ( FALSE !== get_post_status( $product_id ) ) {
                            $product_titles[] = [
                                'flag' => formipay_get_flag_by_currency(formipay_get_post_meta($product_id, 'product_currency')),
                                'currency' => formipay_get_post_meta($product_id, 'product_currency'),
                                'title' => get_the_title($product_id)
                            ];
                        }
                    }
                }

                if(!empty($_REQUEST['product'])){
                    $product_id = intval($_REQUEST['product']);
                    $forms = formipay_get_post_meta($coupon->ID, 'forms');
                    if(false !== $forms){
                        $forms = explode(',', $forms);
                        $found = false;
                        if(!empty($forms)){
                            foreach($forms as $form_id){
                                if($product_id == $form_id){
                                    $active = true;
                                    $found = true;
                                    break;
                                }
                                $active = false; 
                            }
                            if(false == $found){
                                unset($get_total_coupons[$key]);
                            }
                        }
                    }
                }

                $date_limit = formipay_get_post_meta($coupon->ID, 'date_limit');

                if($active){
                    $coupons[] = [
                        'ID' => $coupon->ID,
                        'code' => get_the_title($coupon->ID),
                        'products' => $product_titles,
                        'value' => floatval(formipay_get_post_meta($coupon->ID, 'amount')),
                        'type' => ucfirst(formipay_get_post_meta($coupon->ID, 'type')),
                        'case_sensitive' => formipay_get_post_meta($coupon->ID, 'case_sensitive'),
                        'usages' => [
                            'used' => $this->count_order_by_coupon_code(get_the_title($coupon->ID)),
                            'limit' => (intval(formipay_get_post_meta($coupon->ID, 'use_limit')) > 0) ? formipay_get_post_meta($coupon->ID, 'use_limit') : '∞'
                        ],
                        'date_limit' => false !== $date_limit ? formipay_date('Y-m-d', intval(formipay_get_post_meta($coupon->ID, 'date_limit')) / 1000) : 'none',
                        'status' => (formipay_get_post_meta($coupon->ID, 'active') == 'on') ? 'Active' : 'Inactive'
                    ];
                }
            }
        }

        $response = [
            'results' => $coupons,
            'total' => count($get_total_coupons), // Total number of forms
            'posts_report' => array_map('intval', (array)$coupon_status)
        ];

        wp_send_json($response);
    }

    public function formipay_coupon_get_products() {

        check_ajax_referer( 'formipay-admin-coupon-page', '_wpnonce' );

        if (!isset($_POST['search']) || empty($_POST['search'])) {
            wp_send_json_error( __('No search term provided.', 'formipay') );
        }

        $search_term = sanitize_text_field( wp_unslash($_POST['search']) );

        $query = get_posts([
            'post_type' => 'formipay-form',
            's'         => $search_term,
            'posts_per_page' => -1,
        ]);

        $results = [];
        if(!empty($query)){
            foreach($query as $post){
                $results[] = [
                    'value'   => $post->ID,
                    'label' => $post->post_title,
                ];
            }
        }

        wp_send_json($results);

    }

    public function formipay_create_coupon_post() {

        check_ajax_referer( 'formipay-admin-coupon-page', '_wpnonce' );

        $code = isset($_REQUEST['title']) ? sanitize_text_field( wp_unslash($_REQUEST['title']) ) : '';

        if( !empty($code) && '' !== $code ){
            $post_id = wp_insert_post( [
                'post_title' => $code,
                'post_type' => 'formipay-coupon',
            ], true );

            if(is_wp_error($post_id)){
                wp_send_json_error( [
                    'message' => $post_id->get_error_message()
                ] );
            }

            update_post_meta($post_id, 'type', 'percentage');
            update_post_meta($post_id, 'amount', 0);
            wp_send_json_success( [
                'edit_post_url' => admin_url('post.php?post='.$post_id.'&action=edit')
            ] );
        }

        wp_send_json_error( [
            'message' => esc_html__( 'Coupon code is empty.', 'formipay' )
        ] );

    }

    public function formipay_delete_coupon() {

        check_ajax_referer( 'formipay-admin-coupon-page', '_wpnonce' );

        $post_id = isset($_REQUEST['id']) ? intval($_REQUEST['id']) : 0;

        $delete = wp_delete_post($post_id, true);

        if(is_wp_error( $delete )){
            wp_send_json_error( [
                'title' => esc_html__( 'Failed', 'formipay' ),
                'message' => esc_html__( 'Failed to delete coupon. Please try again.', 'formipay' ),
                'icon' => 'error'
            ] );
        }

        wp_send_json_success( [
            'title' => esc_html__( 'Deleted', 'formipay' ),
            'message' => esc_html__( 'Coupon is deleted permanently.', 'formipay' ),
            'icon' => 'success'
        ] );

    }

    public function formipay_bulk_delete_coupon() {

        check_ajax_referer( 'formipay-admin-coupon-page', '_wpnonce' );

        if( empty($_REQUEST['ids']) ){
            wp_send_json_error( [
                'title' => esc_html__( 'Failed', 'formipay' ),
                'message' => esc_html__( 'There is no coupon selected. Please try again.', 'formipay' ),
                'icon' => 'error'
            ] );
        }

        $ids = isset($_REQUEST['ids']) ? $_REQUEST['ids'] : [];

        $success = 0;
        $failed = 0;
        $report = __( 'Done.', 'formipay' );
        if(!empty($ids)){
            foreach($ids as $id){
                $delete = wp_delete_post($id, true);
                if(is_wp_error( $delete )){
                    $failed++;
                }else{
                    $success++;
                }
            }
        }

        if($success > 0){
            $report .= sprintf( __( ' Deleted %d coupon(s).', 'formipay' ), $success);
        }
        if($failed > 0){
            $report .= sprintf( __( ' Failed %d coupon(s).', 'formipay' ), $failed);
        }

        wp_send_json_success( [
            'title' => esc_html__( 'Done!', 'formipay' ),
            'message' => $report,
            'icon' => 'info'
        ] );

    }

    public function formipay_duplicate_coupon() {
        
        check_ajax_referer( 'formipay-admin-coupon-page', '_wpnonce' );

        $post_id = isset($_REQUEST['id']) ? intval($_REQUEST['id']) : 0;
        $post = get_post($post_id);
        if (!$post) {
            wp_send_json_error( [
                'title' => esc_html__('Failed', 'formipay'),
                'message' => esc_html__( 'Coupon is not defined.', 'formipay' ),
                'icon' => 'error'
            ] );
        }
    
        if (!in_array($post->post_type, ['formipay-coupon'])) {
            wp_send_json_error( [
                'title' => esc_html__('Failed', 'formipay'),
                'message' => esc_html__( 'Wrong Post Type.', 'formipay' ),
                'icon' => 'error'
            ] );
        }
    
        $duplicate_post = [
            'post_title'   => $post->post_title . ' ' . __('Copy', 'formipay'),
            'post_content' => $post->post_content,
            'post_status'  => 'draft', // Set sebagai draft
            'post_type'    => $post->post_type,
            'post_author'  => $post->post_author,
        ];
    
        // Masukkan duplikat ke database
        $new_post_id = wp_insert_post($duplicate_post);
    
        if (is_wp_error($new_post_id)) {
            wp_send_json_error( [
                'title' => esc_html__('Failed', 'formipay'),
                'message' => esc_html__( 'Something happened. Please try again.', 'formipay' ),
                'icon' => 'error'
            ] );
        }
    
        // Salin semua meta data
        $meta_data = get_post_meta($post_id);
        foreach ($meta_data as $key => $values) {
            if($key !== 'forms'){
                foreach ($values as $value) {
                    add_post_meta($new_post_id, $key, maybe_unserialize($value));
                }
            }
        }
    
        wp_send_json_success( [
            'title' => esc_html__('Duplicated!', 'formipay'),
            'message' => esc_html__( 'Coupon is successfully duplicated.', 'formipay' ),
            'icon' => 'success'
        ] );
    }

}