using GameBackup3H3.DbOp;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
 
namespace FTPop
{
    public interface IFTP
    {
        /// <summary>
        /// 打开FTP
        /// </summary>
        /// <param name="ftpinfo"></param>
        int Open(FTPInfo ftpinfo);
        /// <summary>
        /// FTP是否打开着
        /// </summary>
        /// <param name="ftpinfo"></param>
        bool IsOpen { get; }
        /// <summary>
        /// 关闭FTP。
        /// </summary>
        /// <returns></returns>
        int Close();
        /// <summary>
        /// 显示文件夹列表
        /// </summary>
        /// <param name="CurFolder"></param>
        /// <returns></returns>
        List<RemoteFileInfo> ListDirectory(string CurFolder,out string error);
        /// <summary>
        /// 上传
        /// </summary>
        /// <param name="localPath"></param>
        /// <param name="remotePath"></param>
        /// <returns></returns>
        int Upload(string localPath, string remotePath);
        /// <summary>
        /// 下载
        /// </summary>
        /// <param name="remotePath"></param>
        /// <param name="localPath"></param>
        /// <returns></returns>
        int Download(string remotePath, string localPath);
        /// <summary>
        /// 删除文件
        /// </summary>
        /// <param name="remotePath"></param>
        /// <returns></returns>
        int DelFile(string remotePath);
        /// <summary>
        /// 删除文件
        /// </summary>
        /// <param name="remotePath"></param>
        /// <returns></returns>
        int RemoveFiles(string remotePath);
        /// <summary>
        /// 移动文件
        /// </summary>
        /// <param name="remotePath"></param>
        /// <returns></returns>
        int MoveFile(string fromPath,string toPath);
        /// <summary>
        /// 文件是否存在
        /// </summary>
        /// <param name="remotePath"></param>
        /// <returns></returns>
        bool FileExists(string remotePath);
        /// <summary>
        /// 文件大小
        /// </summary>
        /// <param name="remotePath"></param>
        /// <returns></returns>
        Int64 FileSize(string remotePath);
        /// <summary>
        /// 文件最后修改时间
        /// </summary>
        /// <param name="remotePath"></param>
        /// <returns></returns>
        DateTime FileLastWriteTime(string remotePath);
        /// <summary>
        /// 文件信息
        /// </summary>
        /// <param name="remotePath"></param>
        /// <returns></returns>
        RemoteFileInfo GetFileInfo(string remotePath);
        /// <summary>
        /// 文件传输事件
        /// </summary>
        event FileTransferProgressEventHandler FileTransferProgress;
    }
    public delegate void FileTransferProgressEventHandler(object sender, FileTransferProgressEventArgs e);
    public sealed class FileTransferProgressEventArgs : EventArgs
    {
        /// <summary>
        /// 文件全路径
        /// </summary>
        public string LocalPath { get; internal set; }
        /// <summary>
        /// 当前文件进度
        /// </summary>
        public double FileProgress { get; internal set; }
        /// <summary>
        /// 当前传输速度
        /// </summary>
        public double Speed { get; internal set; }
        /// <summary>
        /// 是否完成
        /// </summary>
        public bool IsComplete { get; internal set; } = false;
        /// <summary>
        /// 是否要取消
        /// </summary>
        public bool Cancel { get; set; }
    }
    /// <summary>
    /// 远程文件信息
    /// </summary>
    public class RemoteFileInfo
    {
        public string Name { get; set; }
        public string FullName { get; set; }
        public long Length { get; set; }
        public DateTime LastWriteTime { get; set; } = DateTime.MinValue;
        public bool IsDirectory { get; set; }

        public override string ToString()
        {
            return FullName;
        }
    }
}