using edu.huvtc.utils;
using FileProcessClient.domain;
using FluentFTP;
using System.Diagnostics;

namespace FileProcessClient.utils
{
    internal class FileUploadUtils
    {
        public static async Task UploadFileAsync(string localPath, string remoteFilePath, Action<int> callback)
        {
            var token = new CancellationToken();
            using (var conn = new AsyncFtpClient(CommonUtils.getFtpServer(), CommonUtils.getFtpUsr(), CommonUtils.getFtpPassword(), CommonUtils.getFtpServerPort(), config: new FtpConfig
            {
                DataConnectionType = FtpDataConnectionType.PORT
            }))
            {
                try
                {
                    await conn.Connect(token);
                    Progress<FtpProgress> progress = new Progress<FtpProgress>(p =>
                    {
                        callback((int)(p.Progress));
                        //Trace.WriteLine(p.Progress);
                    });
                    await conn.UploadFile(localPath, remoteFilePath, FtpRemoteExists.Overwrite, false, FtpVerify.None, progress, token);
                }
                catch (Exception ex)
                {
                    callback(-1);
                    //Trace.WriteLine(ex.ToString());
                }
                finally
                {
                    await conn.Disconnect();
                }
            }
        }


        public static async Task<bool> UploadFilesAsync(List<MediaFileItem> list, string remoteRootPath, Action<int, int> callback)
        {
            var token = new CancellationToken();            
            using (var conn = new AsyncFtpClient(CommonUtils.getFtpServer(), CommonUtils.getFtpUsr(), CommonUtils.getFtpPassword(), CommonUtils.getFtpServerPort(), config: new FtpConfig
            {
                DataConnectionType = FtpDataConnectionType.PASV,
                ConnectTimeout = 60000,
                ReadTimeout = 60000                
            }))
            {
                int index = 0;
                try
                {
                    await conn.Connect(token);
                    
                    //conn.AutoDetect(FtpDataConnectionType.PORT);
                    Progress<FtpProgress> progress = new Progress<FtpProgress>(p =>
                    {
                        //Trace.WriteLine(p.Progress);
                        callback(index, (int)(p.Progress));

                    });

                    bool pathExits = await conn.DirectoryExists(remoteRootPath + "/json", token);
                    if (!pathExits)
                    {
                        await conn.CreateDirectory(remoteRootPath + "/json", true, token);
                    }

                    pathExits = await conn.DirectoryExists(remoteRootPath + "/media", token);
                    if (!pathExits)
                    {
                        await conn.CreateDirectory(remoteRootPath + "/media", true, token);
                    }

                    foreach (MediaFileItem file in list)
                    {
                        //Trace.WriteLine(file.fileName);
                        //Trace.WriteLine(file.urlPath);
                        await conn.UploadFile(file.fileName, file.urlPath, FtpRemoteExists.Overwrite, false, FtpVerify.None, progress, token);
                        index++;
                    }
                    return true;
                }
                catch (Exception ex)
                {
                    callback(index, -1);
                    Trace.WriteLine(ex.ToString());
                    //return false;
                }
                finally
                {
                    await conn.Disconnect();                    
                }
                return false;
            }
        }

        public static async Task<bool> UploadFilesAsync(List<string> localFiles, string remoteRootPath, Action<int, int> callback)
        {
            var token = new CancellationToken();
            using (var conn = new AsyncFtpClient(CommonUtils.getFtpServer(), CommonUtils.getFtpUsr(), CommonUtils.getFtpPassword(), CommonUtils.getFtpServerPort(), config: new FtpConfig
            {
                DataConnectionType = FtpDataConnectionType.PORT
            }))
            {
                int index = 0;
                try
                {
                    await conn.Connect(token);
                    Progress<FtpProgress> progress = new Progress<FtpProgress>(p =>
                    {
                        callback(index, (int)(p.Progress));

                    });
                    bool pathExits = await conn.DirectoryExists(remoteRootPath, token);
                    if (!pathExits)
                    {
                        await conn.CreateDirectory(remoteRootPath, true, token);
                    }
                    foreach (var file in localFiles)
                    {
                        //Trace.WriteLine(file);
                        //Trace.WriteLine(remoteRootPath + "/" + getFileName(file));
                        await conn.UploadFile(file, remoteRootPath + "/" + getFileName(file), FtpRemoteExists.Overwrite, false, FtpVerify.None, progress, token);
                        index++;
                    }
                    return true;

                }
                catch (Exception ex)
                {
                    callback(index, -1);
                    return false;
                    //Trace.WriteLine(ex.ToString());
                }
                finally
                {
                    await conn.Disconnect();
                }
            }
        }

        public static string getFileName(string fullPath)
        {
            string[] arr = fullPath.Split(Path.DirectorySeparatorChar);
            return arr[arr.Length - 1];
        }

        public static string getFileExt(string fullPath)
        {
            string[] arr = fullPath.Split("\\.");
            return arr[arr.Length - 1];
        }


        public static string getFileCreateDataTime(string filePath)
        {
            FileInfo fileInfo = new FileInfo(filePath);
            return fileInfo.CreationTime.ToString("yyyy-MM-dd HH:mm:ss");
        }
    }
}