using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Renci.SshClient.Tests.Properties;
using System.IO;

namespace Renci.SshClient.Tests.SftpClientTests
{
    [TestClass]
    public class RenameFileTest
    {

        [TestInitialize()]
        public void CleanCurrentFolder()
        {
            using (var client = new SshClient(Resources.HOST, Resources.USERNAME, Resources.PASSWORD))
            {
                client.Connect();
                client.RunCommand("rm -rf *");
                client.Disconnect();
            }
        }

        [TestMethod]
        [TestCategory("Sftp")]
        public void Test_Sftp_Rename_File()
        {
            using (var sftp = new SftpClient(Resources.HOST, Resources.USERNAME, Resources.PASSWORD))
            {
                sftp.Connect();

                string uploadedFileName = Path.GetTempFileName();
                string remoteFileName1 = Path.GetRandomFileName();
                string remoteFileName2 = Path.GetRandomFileName();

                this.CreateTestFile(uploadedFileName, 1);

                using (var file = File.OpenRead(uploadedFileName))
                {
                    sftp.UploadFile(file, remoteFileName1);
                }

                sftp.RenameFile(remoteFileName1, remoteFileName2);

                File.Delete(uploadedFileName);

                sftp.Disconnect();
            }
        }

        /// <summary>
        /// Creates the test file.
        /// </summary>
        /// <param name="fileName">Name of the file.</param>
        /// <param name="size">Size in megabytes.</param>
        private void CreateTestFile(string fileName, int size)
        {
            using (var testFile = File.Create(fileName))
            {

                var random = new Random();
                for (int i = 0; i < 1024 * size; i++)
                {
                    var buffer = new byte[1024];
                    random.NextBytes(buffer);
                    testFile.Write(buffer, 0, buffer.Length);
                }
            }
        }

    }
}