<?php

namespace PayrexxPaymentGateway\Helper;

class SubscriptionHelper {
	/**
	 * @param $cart
	 * @return bool
	 */
	public static function isSubscription( $cart ):bool {
		if ( empty( $cart->cart_contents ) ) {
			return false;
		}
		if ( self::isPaymentMethodChange() ) {
			return true;
		}

		// Check if cart contains subscriptions
		if ( class_exists( 'WC_Subscriptions_Product' ) ) {
			foreach ( $cart->cart_contents as $cart_item ) {
				if ( \WC_Subscriptions_Product::is_subscription( $cart_item['data'] ) ) {
					return true;
				}
			}
		}

		return false;
	}

	/**
	 * @return bool
	 */
	public static function isPaymentMethodChange():bool {
		$change_payment_method = ! empty( $_GET['change_payment_method'] )
			? $_GET['change_payment_method'] :
			null;
		if ( ! $change_payment_method ) {
			return false;
		}
		return true;
	}

	/**
	 * Subscription supported features
	 *
	 * @return array
	 */
	public static function get_supported_features(): array {
		return array(
			'subscriptions',
			'subscription_cancellation',
			'subscription_suspension',
			'subscription_reactivation',
			'subscription_amount_changes',
			'subscription_date_changes',
			'multiple_subscriptions',
			'subscription_payment_method_change',
			'subscription_payment_method_change_customer',
		);
	}
}
