<?php

namespace OAuth\OAuth2\Service;

use OAuth\Common\Consumer\CredentialsInterface;
use OAuth\Common\Http\Client\ClientInterface;
use OAuth\Common\Http\Uri\UriInterface;
use OAuth\Common\Storage\TokenStorageInterface;
use OAuth\OAuth2\Token\StdOAuth2Token;
use OAuth\Common\Http\Exception\TokenResponseException;
use OAuth\OAuth2\Service\Exception\InvalidAccessTypeException;
use OAuth\Common\Http\Uri\Uri;

class WordPress extends AbstractService
{
    protected $accessType = 'online';

    public function __construct(
        CredentialsInterface $credentials,
        ClientInterface $httpClient,
        TokenStorageInterface $storage,
        $scopes = array(),
        UriInterface $baseApiUri = null
    ) {
        parent::__construct($credentials, $httpClient, $storage, $scopes, $baseApiUri, true);

        if (null === $baseApiUri) {
            $this->baseApiUri = new Uri('https://addresse_de_votre_site_wordpress');
        }
    }
/*
    // LDR CHANGE Add approval_prompt to force the prompt if value is set to 'force' so it force return of a "refresh token" in addition to "standard token"
    public $approvalPrompt='auto';
    public function setApprouvalPrompt($prompt)
    {
        if (!in_array($prompt, array('auto', 'force'), true)) {
            // @todo Maybe could we rename this exception
            throw new InvalidAccessTypeException('Invalid approuvalPrompt, expected either auto or force.');
        }
        $this->approvalPrompt = $prompt;
    }*/
    
    /**
     * {@inheritdoc}
     */
    public function getAuthorizationEndpoint()
    {
        return new Uri(sprintf('%s/oauth/authorize', $this->baseApiUri));
    }

    /**
     * {@inheritdoc}
     */
    public function getAccessTokenEndpoint()
    {
        return new Uri(sprintf('%s/oauth/token', $this->baseApiUri));
    }

    /**
     * {@inheritdoc}
     */
    protected function getAuthorizationMethod()
    {
        global $conf;
        return empty($conf->global->OAUTH_WORDPRESS_AUTHORIZATION_METHOD_QUERY_STRING) ? static::AUTHORIZATION_METHOD_HEADER_BEARER : static::AUTHORIZATION_METHOD_QUERY_STRING;
    }

    /**
     * {@inheritdoc}
     */
    protected function parseAccessTokenResponse($responseBody)
    {
        $data = json_decode($responseBody, true);

        if (null === $data || !is_array($data)) {
            throw new TokenResponseException('Unable to parse response: "'.(isset($responseBody)?$responseBody:'NULL').'"');
        } elseif (isset($data['error'])) {
            throw new TokenResponseException('Error in retrieving token: "' . $data['error'] . '" : "'.$data['error_description'].'"');
        }

        $token = new StdOAuth2Token();
        $token->setAccessToken($data['access_token']);
        $token->setLifetime($data['expires_in']);

        if (isset($data['refresh_token'])) {
            $token->setRefreshToken($data['refresh_token']);
            unset($data['refresh_token']);
        }

        unset($data['access_token']);
        unset($data['expires_in']);

        $token->setExtraParams($data);

        return $token;
    }
}