<?php

namespace Bmatovu\OAuthNegotiator\GrantTypes;

use GuzzleHttp\ClientInterface;

/**
 * Class Password.
 */
class Password implements GrantTypeInterface
{
	/**
	 * The token endpoint client.
	 *
	 * @var \GuzzleHttp\ClientInterface
	 */
	private $client;

	/**
	 * Configuration settings.
	 *
	 * @var array
	 */
	private $config;


	/**
	 * Constructor.
	 *
	 * @param \GuzzleHttp\ClientInterface $client
	 * @param array                       $config
	 *
	 * @throws \InvalidArgumentException
	 */
	public function __construct(ClientInterface $client, array $config)
	{
		$this->client = $client;

		$required = ['token_uri', 'client_id', 'client_secret', 'username', 'password'];

		if ($missing = missing_keys($required, $config)) {
		    $message = 'Parameters: '.implode(', ', $missing).' are required.';

		    throw new \InvalidArgumentException($message, 0);
		}

		$this->config = array_merge([
		    'scope' => '',
		], $config);
	}


	/**
	 * {@inheritdoc}
	 *
	 * @throws \GuzzleHttp\Exception\GuzzleException
	 */
	public function getToken($refreshToken = null)
	{
		$response = $this->client->request('POST', $this->config['token_uri'], [
		    'headers' => [
		        'Accept'        => 'application/json',
		        'Content-Type'  => 'application/json',
		        'Authorization' => 'Basic '.base64_encode($this->config['client_id'].':'.$this->config['client_secret']),
		    ],
		    'json' => [
		        'grant_type' => 'password',
		        'username'   => $this->config['username'],
		        'password'   => $this->config['password'],
		        'scope'      => $this->config['scope'],
		    ],
		]);

		return json_decode($response->getBody(), true);
	}
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----Nzg2NDMwODAxNTgzMTU2MCA4ODE2MzczMzQ3NTA5OTIyIDk0ODI2MTI5MTc3MzE3MzI=