WC Settings API Refactor

plugin.php

<?php

class WooCommerce {
	
	public $settings;
	
	public function init() {
		
		// all that other fun init stuff
		
		$this->settings = new \WooCommerce\Settings( 'woocommerce' );
	}
	
	// and the rest
}

settings-base.php

<?php

namespace WooCommerce;

class Settings extends Settings_API {
	
	/**
	 * Register every single setting that should be a part of this (WC core in this case).
	 */
	protected function register_settings() {
		
		// address line 1
		$this->register_setting( 'store_address', self::SETTING_TYPE_STRING, [
			'name'        => 'Address line 1',
			'description' => 'The street address for your business location',
		] );
		$this->register_control( 'store_address', self::CONTROL_TYPE_TEXT ); // eventual input type

		// address line 2
		$this->register_setting( 'store_address_2', self::SETTING_TYPE_STRING, [
			'name'        => 'Address line 2',
			'description' => 'An optional, additional address line for your business location',
		] );
		$this->register_control( 'store_address_2', self::CONTROL_TYPE_TEXT );

		// selling location(s)
		$this->register_setting( 'allowed_countries', self::SETTING_TYPE_STRING, [
			'name'        => 'Allowed Countries',
			'description' => 'The countries to which you are willing to sell',
			'options'     => [ 'all', 'all_except', 'specific' ],
		] );
		$this->register_control( 'allowed_countries', self::CONTROL_TYPE_SELECT, [
			'options' => [
				'all'        => 'Sell to all countries',
				'all_except' => 'Sell to all countries, except for...',
				'specific'   => 'Sell to specific countries',
			]
		] );
		
		// and so forth...
	}
	
}
		

settings-page.php

<?php

class \WC_Settings_General extends \WC_Settings_Page {
	
	
	public function __construct() {
		$this->id    = 'general';
		$this->label = __( 'General', 'woocommerce' );

		parent::__construct();
	}
	
	
	// add sections, etc... as normal
	
	
	/**
	 * Gets the broad groups of settings and their descriptions for display.
	 *
	 * Here we just define which settings should be displayed where. The Controls and the output methods in WC_Settings_Page take care of _how_ they're displayed.
	 */
	public function get_groups() {

		return [
			[
				'id'          => 'store-address',
				'name'        => 'Store Address',
				'description' => 'This is where your business is located. Tax rates and shipping rates will use this address.',
				'setting_ids' => [
					'store_address',
					'store_address_2',
				],
			],
			[
				'id'          => 'general',
				'name'        => 'General',
				'setting_ids' => [
					'allowed_countries',
					'specific_allowed_countries',
				],
			]
		];
	}
	
	/** Methods responsible for rendering the controls */
	
	protected function output_checkbox_control( $name, $value, $args = array() ) {
		
		
	}
}