<?php

namespace authkit2\Oidc\Flows;
use authkit2\Oidc\Client;
use authkit2\Oidc\Token;

/**
 * OpenId client_credentials grant flow
 */
class ServiceAccountFlow
{
	/**
	 * oidc client for making requests authenticated with our id/secret
	 * @var Client
	 */
	protected $client;

	/**
	 * Initialize a new service account flow
	 *
	 * @param Client $client
	 */
	public function __construct(Client $client)
	{
		$this->client = $client;
	}

	/**
	 * Fetch a service account token for the initialized credentials
	 *
	 * @return Token
	 */
	public function getServiceAccountToken(): Token
	{
		return $this->client->createTokenFromClient();
	}
}