/*
 * Copyright (c) 2024 Proton AG
 *
 * This file is part of ProtonVPN.
 *
 * ProtonVPN is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * ProtonVPN is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with ProtonVPN.  If not, see <https://www.gnu.org/licenses/>.
 */

using ProtonVPN.Api.Contracts.Announcements;
using ProtonVPN.Client.Files.Contracts.Images;
using ProtonVPN.Client.Logic.Announcements.Contracts;
using ProtonVPN.Client.Logic.Announcements.Contracts.Entities;
using ProtonVPN.Common.Core.Extensions;
using ProtonVPN.EntityMapping.Contracts;

namespace ProtonVPN.Client.Logic.Announcements.EntityMapping;

public class FullScreenImageMapper : IMapper<FullScreenImageResponse, FullScreenImage>
{
    private readonly IImageCache _imageCache;

    public FullScreenImageMapper(IImageCache imageCache)
    {
        _imageCache = imageCache;
    }

    public FullScreenImage Map(FullScreenImageResponse leftEntity)
    {
        SourceResponse? source = leftEntity?.Source?.FirstOrDefault(s => s.Type.EqualsIgnoringCase(AnnouncementConstants.FULL_SCREEN_IMAGE_FORMAT));
        
        string imageUrl = source?.Url;
        string imageLightUrl = source?.UrlLight;

        CachedImage? cachedImage = _imageCache.Get(AnnouncementConstants.STORAGE_FOLDER, imageUrl);
        CachedImage? cachedImageLight = !string.IsNullOrEmpty(imageLightUrl) 
            ? _imageCache.Get(AnnouncementConstants.STORAGE_FOLDER, imageLightUrl) 
            : null;

        return new()
        {
            AlternativeText = leftEntity?.AlternativeText,
            Image = cachedImage,
            ImageLight = cachedImageLight,
        };
    }

    public FullScreenImageResponse Map(FullScreenImage rightEntity)
    {
        throw new NotImplementedException("We don't need to map to API responses.");
    }
}