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/*
 * Copyright 2015 Red Hat, Inc.
 *
 *  All rights reserved. This program and the accompanying materials
 *  are made available under the terms of the Eclipse Public License v1.0
 *  and Apache License v2.0 which accompanies this distribution.
 *
 *  The Eclipse Public License is available at
 *  http://www.eclipse.org/legal/epl-v10.html
 *
 *  The Apache License v2.0 is available at
 *  http://www.opensource.org/licenses/apache2.0.php
 *
 *  You may elect to redistribute this code under either of these licenses.
 */
package io.vertx.ext.auth.oauth2.providers;

import io.vertx.codegen.annotations.VertxGen;
import io.vertx.core.Vertx;
import io.vertx.core.http.HttpClientOptions;
import io.vertx.ext.auth.oauth2.OAuth2Auth;
import io.vertx.ext.auth.oauth2.OAuth2Options;

/**
 * Simplified factory to create an {@link OAuth2Auth} for Facebook.
 *
 * @author Paulo Lopes
 */
@VertxGen
public interface FacebookAuth {

  /**
   * Create a OAuth2Auth provider for Facebook
   *
   * @param clientId     the client id given to you by Facebook
   * @param clientSecret the client secret given to you by Facebook
   */
  static OAuth2Auth create(Vertx vertx, String clientId, String clientSecret) {
    return create(vertx, clientId, clientSecret, new HttpClientOptions());
  }

  /**
   * Create a OAuth2Auth provider for Facebook
   *
   * @param clientId          the client id given to you by Facebook
   * @param clientSecret      the client secret given to you by Facebook
   * @param httpClientOptions custom http client options
   */
  static OAuth2Auth create(Vertx vertx, String clientId, String clientSecret, HttpClientOptions httpClientOptions) {
    return
      OAuth2Auth.create(vertx, new OAuth2Options()
        .setHttpClientOptions(httpClientOptions)
        .setClientId(clientId)
        .setClientSecret(clientSecret)
        .setSite("https://www.facebook.com")
        .setTokenPath("https://graph.facebook.com/oauth/access_token")
        .setAuthorizationPath("/dialog/oauth")
        .setUserInfoPath("https://graph.facebook.com/me")
        .setScopeSeparator(","));
  }
}