namespace Carousel
{
    [Designer("Carousel.CarouselDesigner,Carousel")]
    public class Carousel : CellType, INeedUploadFileByUser
    {
        public List<ImageInfo> ImageInfos
        {
            get; set;
        }

        /// <summary>
        /// 当导入forguncy文件时，将调用该方法。
        /// 并且会将源文件上传文件夹中的所有文件复制到当前文档上传文件夹中;
        /// 因此，您应该返回源文档中的所有文件路径和当前文档中的所有文件。
        /// </summary>
        /// <param name="context"></param>
        /// <returns></returns>
        public List<FileCopyInfo> GetAllFileSourceAndTargetPathsWhenImportForguncyFile(IFileUploadContext context)
        {
            var list = new List<FileCopyInfo>();
            if (ImageInfos != null)
            {
                foreach (var imageInfo in ImageInfos)
                {
                    if (string.IsNullOrEmpty(imageInfo.Name))
                    {
                        continue;
                    }
                    list.Add(new FileCopyInfo()
                    {
                        //based the source document upload folder, then combine the plugin folders you custom defined together.
                        SourceFileFolder = Path.Combine(context.GetForguncyUploadFilesRelativePath(context.SourceDocumentFolder), "CarouselCellType", "Images"),
                        SourceFileName = imageInfo.ImagePath,
                        //current document upload folder, then combine the plugin folders you custom defined together.
                        TargetFileFolder = Path.Combine(context.GetForguncyUploadFilesFolderLocalPath(), "CarouselCellType", "Images"),
                        TargetFileName = imageInfo.ImagePath
                    });
                }
            }
            return list;
        }
        /// <summary>
        /// 当保存forguncy文档时，将调用该方法。
        /// 并且在保存文档时将删除未使用的文件，以便在这里返回所有使用过的文件路径。
        /// </summary>
        /// <param name="context"></param>
        /// <returns></returns>
        public FileUploadInfo GetUploadFileInfosWhenSaveFile(IFileUploadContext context)
        {
            var result = new FileUploadInfo()
            {
                //current document upload folder, then combine the plugin folders you custom defined together.
                UploadFileFolder = Path.Combine(context.GetForguncyUploadFilesFolderLocalPath(), "CarouselCellType", "Images")
            };
            if (ImageInfos != null)
            {
                foreach (var imageInfo in ImageInfos)
                {
                    if (string.IsNullOrEmpty(imageInfo.ImagePath))
                    {
                        continue;
                    }
                    result.AllUsedUploadFilePaths.Add(imageInfo.ImagePath);
                }
            }
            return result;
        }
    }

    public class ImageInfo
    {
        public string Name { get; set; }
        public string ImagePath { get; set; }
    }
}