// (c) Copyright Ascensio System SIA 2010-2022
//
// This program is a free software product.
// You can redistribute it and/or modify it under the terms
// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
// any third-party rights.
//
// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For details, see
// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
//
// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
//
// The  interactive user interfaces in modified source and object code versions of the Program must
// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
//
// Pursuant to Section 7(b) of the License you must retain the original Product logo when
// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
// trademark law for use of our trademarks.
//
// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode

namespace ASC.FederatedLogin.LoginProviders;

[Scope]
public class BitlyLoginProvider : Consumer, IValidateKeysProvider
{
    private string BitlyToken => this["bitlyToken"];

    private readonly string _bitlyUrl = "https://api-ssl.bitly.com/v4/shorten";
    private readonly RequestHelper _requestHelper;

    public BitlyLoginProvider() { }

    public BitlyLoginProvider(
        TenantManager tenantManager,
        CoreBaseSettings coreBaseSettings,
        CoreSettings coreSettings,
        IConfiguration configuration,
        ICacheNotify<ConsumerCacheItem> cache,
        ConsumerFactory consumerFactory,
        RequestHelper requestHelper,
        string name, int order, Dictionary<string, string> props, Dictionary<string, string> additional = null)
        : base(tenantManager, coreBaseSettings, coreSettings, configuration, cache, consumerFactory, name, order, props, additional)
    {
        _requestHelper = requestHelper;
    }

    public bool ValidateKeys()
    {
        try
        {
            return !string.IsNullOrEmpty(GetShortenLink("https://www.onlyoffice.com"));
        }
        catch (Exception)
        {
            return false;
        }
    }

    public bool Enabled
    {
        get
        {
            return !string.IsNullOrEmpty(BitlyToken);
        }
    }

    public string GetShortenLink(string shareLink)
    {
        var data = string.Format("{{\"long_url\":\"{0}\"}}", shareLink);
        var headers = new Dictionary<string, string>
            {
                {"Authorization" ,"Bearer " + BitlyToken}
            };

        var response = _requestHelper.PerformRequest(_bitlyUrl, "application/json", "POST", data, headers);

        var parser = JObject.Parse(response);
        if (parser == null) return null;

        var link = parser.Value<string>("link");

        return link;
    }
}