wc-composable-product/includes/Admin/Settings.php

<?php
/**
 * Admin Settings
 *
 * @package WC_Composable_Product
 */

namespace WC_Composable_Product\Admin;

defined('ABSPATH') || exit;

/**
 * Settings class
 */
class Settings extends \WC_Settings_Page {
    /**
     * Constructor
     */
    public function __construct() {
        $this->id = 'composable_products';
        $this->label = __('Composable Products', 'wc-composable-product');

        parent::__construct();
    }

    /**
     * Get settings array
     *
     * @return array
     */
    public function get_settings() {
        $settings = [
            [
                'title' => __('Composable Products Settings', 'wc-composable-product'),
                'type' => 'title',
                'desc' => __('Configure default settings for composable products.', 'wc-composable-product'),
                'id' => 'wc_composable_settings',
            ],
            [
                'title' => __('Default Selection Limit', 'wc-composable-product'),
                'desc' => __('Default number of items customers can select.', 'wc-composable-product'),
                'id' => 'wc_composable_default_limit',
                'type' => 'number',
                'default' => '5',
                'custom_attributes' => [
                    'min' => '1',
                    'step' => '1',
                ],
                'desc_tip' => true,
            ],
            [
                'title' => __('Default Pricing Mode', 'wc-composable-product'),
                'desc' => __('How to calculate the price of composable products.', 'wc-composable-product'),
                'id' => 'wc_composable_default_pricing',
                'type' => 'select',
                'default' => 'sum',
                'options' => [
                    'sum' => __('Sum of selected products', 'wc-composable-product'),
                    'fixed' => __('Fixed price', 'wc-composable-product'),
                ],
                'desc_tip' => true,
            ],
            [
                'title' => __('Show Product Images', 'wc-composable-product'),
                'desc' => __('Display product images in the selection interface.', 'wc-composable-product'),
                'id' => 'wc_composable_show_images',
                'type' => 'checkbox',
                'default' => 'yes',
            ],
            [
                'title' => __('Show Product Prices', 'wc-composable-product'),
                'desc' => __('Display individual product prices in the selection interface.', 'wc-composable-product'),
                'id' => 'wc_composable_show_prices',
                'type' => 'checkbox',
                'default' => 'yes',
            ],
            [
                'title' => __('Show Total Price', 'wc-composable-product'),
                'desc' => __('Display the total price as customers make selections.', 'wc-composable-product'),
                'id' => 'wc_composable_show_total',
                'type' => 'checkbox',
                'default' => 'yes',
            ],
            [
                'type' => 'sectionend',
                'id' => 'wc_composable_settings',
            ],
        ];

        return apply_filters('wc_composable_settings', $settings);
    }

    /**
     * Output the settings
     */
    public function output() {
        $settings = $this->get_settings();
        \WC_Admin_Settings::output_fields($settings);
    }

    /**
     * Save settings
     */
    public function save() {
        $settings = $this->get_settings();
        \WC_Admin_Settings::save_fields($settings);
    }
}