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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media.Imaging;
using Tango.FileSystem.Network;

namespace Tango.FileSystem
{
    public abstract class FileSystemItem
    {
        public String Path { get; set; }

        public FileSystemItemType Type { get; protected set; }

        public abstract String Description { get; }

        public DateTime DateModified { get; set; }

        public long Size { get; set; }

        public String Name
        {
            get { return OnGetName(); }
        }

        public FileSystemItem()
        {
            DateModified = DateTime.Now;
            Size = 1000 * 1000;
        }

        protected virtual String OnGetName()
        {
            return System.IO.Path.GetFileName(Path);
        }

        public override string ToString()
        {
            return Name;
        }

        public static FileSystemItem FromDTO(FileSystemItemDTO dto)
        {
            FileSystemItem item = null;

            if (dto.Type == FileSystemItemType.Drive)
            {
                item = new DriveItem()
                {
                    DriveType = dto.DriveType,
                    Label = dto.DriveLabel,
                    Items = dto.Items?.Select(x => FromDTO(x)).ToObservableCollection()
                };
            }
            else if (dto.Type == FileSystemItemType.Folder)
            {
                item = new FolderItem()
                {
                    Items = dto.Items?.Select(x => FromDTO(x)).ToObservableCollection(),
                    IsRoot = dto.IsRoot,
                };
            }
            else if (dto.Type == FileSystemItemType.File)
            {
                item = new FileItem();
            }

            item.DateModified = dto.DateModified;
            item.Path = dto.Path;
            item.Size = dto.Size;
            item.Type = dto.Type;

            return item;
        }
    }
}