<?php
/**
 * @package STATS4WPPlugin
 * @version 1.4.5
 */

namespace STATS4WP;

use STATS4WP\Core\Options;
use STATS4WP\Core\Install;

final class Init {

	/**
	 * Store all the classes inside an array
	 *
	 * @return array Full list of classes
	 */
	public static function get_services() {
		return array(
			Core\SettingsLinks::class,
			Core\Enqueue::class,
			Stats\Page::class,
			Stats\Visitor::class,
			Stats\UserOnline::class,
			Ui\DashBoard::class,
			Ui\Visitors::class,
			Ui\Pages::class,
			Ui\Settings::class,
			Ui\DashboardWidgetAdmin::class,
			Ui\CSVExport::class,
			Widgets\CptVisitors::class,
		);
	}

	/**
	 * Loop through the classes, initialize them,
	 * and call the register() method if it exists
	 *
	 * @return
	 */
	public static function register_services() {

		$opt = get_option( STATS4WP_NAME . '_plugin' );
		if ( is_array( $opt ) ) {
			if ( ! array_key_exists( 'version', $opt ) || STATS4WP_VERSION !== $opt['version'] ) {
				Options::set_option( 'version', STATS4WP_VERSION );
				if ( is_multisite() ) {
					Install::install( true );
				} else {
					Install::install( false );
				}
			}
		}
		$del_old_options = array( 'geochart', 'cdn_chartjs' );
		foreach ( $del_old_options as $doo ) {
			Options::del_option( $doo );}

		foreach ( self::get_services() as $class ) {
			$service = self::instantiate( $class );
			if ( method_exists( $service, 'register' ) ) {
				$service->register();
			}
		}
	}

	/**
	 * Initialize the class
	 *
	 * @param  class $class class from the services array
	 * @return class instance  new instance of the class
	 */
	private static function instantiate( $class ) {
		$service = new $class();

		return $service;
	}
}