/*
 *
 * (c) Copyright Ascensio System Limited 2010-2018
 *
 * This program is freeware. You can redistribute it and/or modify it under the terms of the GNU 
 * General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html). 
 * In accordance with Section 7(a) of the GNU GPL 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 more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
 *
 * You can contact Ascensio System SIA by email at sales@onlyoffice.com
 *
 * The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display 
 * Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
 *
 * Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains 
 * relevant author attributions when distributing the software. If the display of the logo in its graphic 
 * form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE" 
 * in every copy of the program you distribute. 
 * Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
 *
*/


using System;

using ASC.Common;
using ASC.Core.Common;
using ASC.Core.Common.Settings;

using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;

namespace ASC.Web.Core.WhiteLabel
{
    [Serializable]
    public class MailWhiteLabelSettings : ISettings
    {
        public bool FooterEnabled { get; set; }

        public bool FooterSocialEnabled { get; set; }

        public string SupportUrl { get; set; }

        public string SupportEmail { get; set; }

        public string SalesEmail { get; set; }

        public string DemoUrl { get; set; }

        public string SiteUrl { get; set; }

        public Guid ID
        {
            get { return new Guid("{C3602052-5BA2-452A-BD2A-ADD0FAF8EB88}"); }
        }

        public ISettings GetDefault(IConfiguration configuration)
        {
            var mailWhiteLabelSettingsHelper = new MailWhiteLabelSettingsHelper(configuration);

            return new MailWhiteLabelSettings
            {
                FooterEnabled = true,
                FooterSocialEnabled = true,
                SupportUrl = mailWhiteLabelSettingsHelper.DefaultMailSupportUrl,
                SupportEmail = mailWhiteLabelSettingsHelper.DefaultMailSupportEmail,
                SalesEmail = mailWhiteLabelSettingsHelper.DefaultMailSalesEmail,
                DemoUrl = mailWhiteLabelSettingsHelper.DefaultMailDemoUrl,
                SiteUrl = mailWhiteLabelSettingsHelper.DefaultMailSiteUrl
            };
        }

        public bool IsDefault(IConfiguration configuration)
        {
            if (!(GetDefault(configuration) is MailWhiteLabelSettings defaultSettings)) return false;

            return FooterEnabled == defaultSettings.FooterEnabled &&
                    FooterSocialEnabled == defaultSettings.FooterSocialEnabled &&
                    SupportUrl == defaultSettings.SupportUrl &&
                    SupportEmail == defaultSettings.SupportEmail &&
                    SalesEmail == defaultSettings.SalesEmail &&
                    DemoUrl == defaultSettings.DemoUrl &&
                    SiteUrl == defaultSettings.SiteUrl;
        }

        public static MailWhiteLabelSettings Instance(SettingsManager settingsManager)
        {
            return settingsManager.LoadForDefaultTenant<MailWhiteLabelSettings>();
        }
        public static bool IsDefault(SettingsManager settingsManager, IConfiguration configuration)
        {
            return Instance(settingsManager).IsDefault(configuration);
        }

        public ISettings GetDefault(IServiceProvider serviceProvider)
        {
            return GetDefault(serviceProvider.GetService<IConfiguration>());
        }
    }

    [Singletone]
    public class MailWhiteLabelSettingsHelper
    {
        public MailWhiteLabelSettingsHelper(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public string DefaultMailSupportUrl
        {
            get
            {
                var url = BaseCommonLinkUtility.GetRegionalUrl(Configuration["web:support-feedback"] ?? string.Empty, null);
                return !string.IsNullOrEmpty(url) ? url : "http://helpdesk.onlyoffice.com";
            }
        }

        public string DefaultMailSupportEmail
        {
            get
            {
                var email = Configuration["web:support:email"];
                return !string.IsNullOrEmpty(email) ? email : "support@onlyoffice.com";
            }
        }

        public string DefaultMailSalesEmail
        {
            get
            {
                var email = Configuration["web:payment:email"];
                return !string.IsNullOrEmpty(email) ? email : "sales@onlyoffice.com";
            }
        }

        public string DefaultMailDemoUrl
        {
            get
            {
                var url = BaseCommonLinkUtility.GetRegionalUrl(Configuration["web:demo-order"] ?? string.Empty, null);
                return !string.IsNullOrEmpty(url) ? url : "http://www.onlyoffice.com/demo-order.aspx";
            }
        }

        public string DefaultMailSiteUrl
        {
            get
            {
                var url = Configuration["web:teamlab-site"];
                return !string.IsNullOrEmpty(url) ? url : "http://www.onlyoffice.com";
            }
        }

        private IConfiguration Configuration { get; }
    }
}