#region License

// The MIT License
//
// Copyright (c) 2006-2008 DevDefined Limited.
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission 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.

#endregion

using System;
using DevDefined.OAuth.Framework;
using DevDefined.OAuth.Storage;

namespace DevDefined.OAuth.Testing
{
	public class TestTokenStore : ITokenStore
	{
		public const string AccessSecret = "accesssecret";
		public const string RequestSecret = "requestsecret";

		public TestTokenStore()
		{
			CallbackUrl = "http://localhost/callback";
			VerificationCode = "GzvVb5WjWfHKa/0JuFupaMyn"; // this is a example google oauth verification code      
		}

		public string CallbackUrl { get; set; }
		public string VerificationCode { get; set; }

		public IToken CreateRequestToken(IOAuthContext context)
		{
			EnsureTestConsumer(context);

			return new TokenBase {ConsumerKey = "key", Realm = null, Token = "requestkey", TokenSecret = RequestSecret};
		}

		public void ConsumeRequestToken(IOAuthContext requestContext)
		{
			EnsureTestConsumer(requestContext);

			if (requestContext.Token != "requestkey")
				throw new OAuthException(requestContext, OAuthProblems.TokenRejected,
				                         "The supplied request token is unknown to the provider.");
		}

		public void ConsumeAccessToken(IOAuthContext accessContext)
		{
			EnsureTestConsumer(accessContext);

			if (accessContext.Token != "accesskey")
				throw new OAuthException(accessContext, OAuthProblems.TokenRejected,
				                         "The supplied access token is unknown to the provider.");
		}

		public IToken GetAccessTokenAssociatedWithRequestToken(IOAuthContext requestContext)
		{
			EnsureTestConsumer(requestContext);

			if (requestContext.Token != "requestkey")
				throw new OAuthException(requestContext, OAuthProblems.TokenRejected, "Expected Token \"requestkey\"");

			return new TokenBase {ConsumerKey = "key", Realm = null, Token = "accesskey", TokenSecret = AccessSecret};
		}

		public RequestForAccessStatus GetStatusOfRequestForAccess(IOAuthContext requestContext)
		{
			if (requestContext.ConsumerKey == "key" && requestContext.Token == "requestkey")
				return RequestForAccessStatus.Granted;

			return RequestForAccessStatus.Unknown;
		}

		public string GetCallbackUrlForToken(IOAuthContext requestContext)
		{
			return CallbackUrl;
		}

		public string GetVerificationCodeForRequestToken(IOAuthContext requestContext)
		{
			return VerificationCode;
		}

		public string GetRequestTokenSecret(IOAuthContext context)
		{
			return RequestSecret;
		}

		public string GetAccessTokenSecret(IOAuthContext context)
		{
			return AccessSecret;
		}

		public IToken RenewAccessToken(IOAuthContext requestContext)
		{
			EnsureTestConsumer(requestContext);
			return new TokenBase {ConsumerKey = "key", Realm = null, Token = "accesskey", TokenSecret = AccessSecret, SessionHandle = requestContext.SessionHandle};
		}

	  public IToken CreateAccessToken(IOAuthContext context)
	  {
      EnsureTestConsumer(context);
      return new TokenBase { ConsumerKey = "key", Realm = null, Token = "accesskey", TokenSecret = AccessSecret, SessionHandle = "sessionHandle" };
    }

	  public IToken CreateAccessTokenForRequestToken(IOAuthContext requestContext)
		{
			EnsureTestConsumer(requestContext);
			return new TokenBase {ConsumerKey = "key", Realm = null, Token = "accesskey", TokenSecret = AccessSecret, SessionHandle = "sessionHandle"};
		}

		static void EnsureTestConsumer(IConsumer consumer)
		{
			if (consumer == null) throw new ArgumentNullException("consumer");
			if (consumer.Realm != null)
				throw new OAuthException(consumer as OAuthContext, OAuthProblems.ConsumerKeyRejected,
				                         "supplied realm was unknown to the provider");
			if (consumer.ConsumerKey != "key")
				throw new OAuthException(consumer as OAuthContext, OAuthProblems.ConsumerKeyRejected,
				                         "supplied consumer key was unknown to the provider");
		}
	}
}