// (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.People.Api;

public abstract class PeopleControllerBase : ApiControllerBase
{
    protected readonly UserManager _userManager;
    protected readonly PermissionContext _permissionContext;
    protected readonly ApiContext _apiContext;
    protected readonly UserPhotoManager _userPhotoManager;
    protected readonly IHttpClientFactory _httpClientFactory;
    protected readonly IHttpContextAccessor _httpContextAccessor;

    public PeopleControllerBase(
        UserManager userManager,
        PermissionContext permissionContext,
        ApiContext apiContext,
        UserPhotoManager userPhotoManager,
        IHttpClientFactory httpClientFactory,
        IHttpContextAccessor httpContextAccessor)
    {
        _userManager = userManager;
        _permissionContext = permissionContext;
        _apiContext = apiContext;
        _userPhotoManager = userPhotoManager;
        _httpClientFactory = httpClientFactory;
        _httpContextAccessor = httpContextAccessor;
    }

    protected UserInfo GetUserInfo(string userNameOrId)
    {
        UserInfo user;
        try
        {
            var userId = new Guid(userNameOrId);
            user = _userManager.GetUsers(userId);
        }
        catch (FormatException)
        {
            user = _userManager.GetUserByUserName(userNameOrId);
        }

        if (user == null || user.Id == Constants.LostUser.Id)
        {
            throw new ItemNotFoundException("user not found");
        }

        return user;
    }

    protected void UpdateContacts(IEnumerable<Contact> contacts, UserInfo user)
    {
        _permissionContext.DemandPermissions(new UserSecurityProvider(user.Id), Constants.Action_EditUser);

        if (contacts == null)
        {
            return;
        }

        var values = contacts.Where(r => !string.IsNullOrEmpty(r.Value)).Select(r => $"{r.Type}|{r.Value}");
        user.Contacts = string.Join('|', values);
    }

    protected async Task UpdatePhotoUrl(string files, UserInfo user)
    {
        if (string.IsNullOrEmpty(files))
        {
            return;
        }

        _permissionContext.DemandPermissions(new UserSecurityProvider(user.Id), Constants.Action_EditUser);

        if (!files.StartsWith("http://") && !files.StartsWith("https://"))
        {
            files = new Uri(_httpContextAccessor.HttpContext.Request.GetDisplayUrl()).GetLeftPart(UriPartial.Authority) + "/" + files.TrimStart('/');
        }

        var request = new HttpRequestMessage
        {
            RequestUri = new Uri(files)
        };

        var httpClient = _httpClientFactory.CreateClient();
        using var response = httpClient.Send(request);
        using var inputStream = response.Content.ReadAsStream();
        using var br = new BinaryReader(inputStream);
        var imageByteArray = br.ReadBytes((int)inputStream.Length);

        await _userPhotoManager.SaveOrUpdatePhoto(user.Id, imageByteArray);
    }
}