<?php
/**
 * Payment gateway names for display.
 *
 * @package Recast\WCS
 */

namespace Recast\WCS\Support;

defined( 'ABSPATH' ) || exit;

/**
 * Turns a stored payment method ID into the name the store owner knows.
 */
final class Gateways {

	/**
	 * Installed gateways, keyed by ID.
	 *
	 * @var array<string, \WC_Payment_Gateway>|null
	 */
	private static $installed = null;

	/**
	 * Name for a payment method ID.
	 *
	 * @param string $id       Gateway ID. Empty means manual renewal.
	 * @param string $fallback Title recorded on the subscription, used when the gateway is not installed.
	 * @return string
	 */
	public static function name( $id, $fallback = '' ) {
		$id = (string) $id;
		if ( '' === $id ) {
			return __( 'None (manual renewal)', 'recast-subscriptions' );
		}
		if ( null === self::$installed ) {
			self::$installed = function_exists( 'WC' ) ? WC()->payment_gateways()->payment_gateways() : array();
		}
		if ( isset( self::$installed[ $id ] ) ) {
			$title = (string) self::$installed[ $id ]->get_method_title();
			if ( '' !== $title ) {
				return $title;
			}
		}
		if ( '' !== (string) $fallback ) {
			/* translators: %s: payment method name or ID */
			return sprintf( __( '%s (not installed)', 'recast-subscriptions' ), $fallback );
		}
		/* translators: %s: payment method name or ID */
		return sprintf( __( '%s (not installed)', 'recast-subscriptions' ), $id );
	}

	/**
	 * Whether renewals can be charged through a gateway: installed and turned on.
	 *
	 * @param string $id Gateway ID.
	 * @return bool
	 */
	public static function is_available( $id ) {
		if ( null === self::$installed ) {
			self::$installed = function_exists( 'WC' ) ? WC()->payment_gateways()->payment_gateways() : array();
		}
		return isset( self::$installed[ $id ] ) && 'yes' === self::$installed[ $id ]->enabled;
	}

	/**
	 * Whether an installed gateway supports a feature, such as "subscriptions".
	 *
	 * @param string $id      Gateway ID.
	 * @param string $feature Feature.
	 * @return bool
	 */
	public static function supports( $id, $feature ) {
		if ( null === self::$installed ) {
			self::$installed = function_exists( 'WC' ) ? WC()->payment_gateways()->payment_gateways() : array();
		}
		return isset( self::$installed[ $id ] ) && self::$installed[ $id ]->supports( $feature );
	}
}