/**
 * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
 *
 * You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
 * copy, modify, and distribute this software in source code or binary form for use
 * in connection with the web services and APIs provided by Facebook.
 *
 * As with any software that integrates with the Facebook platform, your use of
 * this software is subject to the Facebook Developer Principles and Policies
 * [http://developers.facebook.com/policy/]. This copyright notice shall be
 * included in all copies or substantial portions of the software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

import FBSDKCoreKit
import FBSDKGamingServicesKit
import Foundation

/// An internal class for fetching tournament objects.
@objcMembers
public final class FBSDKTournamentFetcher: NSObject {

  public override init() {
      super.init()
  }

  /**
      Attempts to fetch all the tournaments where the current logged in user is a participant ;
   - Parameter completionHandler: The caller's completion handler to invoke once the graph request is complete
   */
  public func fetchTournaments(completionHandler: @escaping ([FBSDKTournament]?, Error?) -> Void) {
    TournamentFetcher()
          .fetchTournaments { result in
      switch result {
      case let .success(tournaments):
        completionHandler(tournaments.map(FBSDKTournament.init), nil)
      case let .failure(error):
        completionHandler(nil, error)
      }
    }
  }
}