using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;

using Emgu.CV.UI;
using Emgu.CV;
using Emgu.CV.Structure;
using Emgu.CV.CvEnum;


using Renci.SshNet;

namespace Face_Recognition
{
    public partial class NewUser : Form
    {

        public NewUser()
        {
            InitializeComponent();
            User.InitializeDB();
            textBox1.Text = (User.getMaxId() + 1).ToString();
            button1.Enabled = true;
            Application.Idle += new EventHandler(SceneCamera);

        }
        Capture cap;
        bool activeCamera = false;
        static Image<Gray, Byte> zdjecie, result;
        public static Image<Gray, Byte>[] newPhotos = new Image<Gray, byte>[10];
        static int CountImage = 1;
        static String sciezka;
        static String PathNewUser;
        String lastID = User.LastID().ToString();
        static bool TookFoto = false;
        private User currUser;
        public static int laID;
        // private CascadeClassifier _cascadeClassifier = new CascadeClassifier(Application.StartupPath + "/haarcascade_frontalface_default.xml");
        public static bool StartFormNewUser = true;
        public void SceneCamera(object sender, EventArgs e)//nowa
        {
            try
            {
                if (!activeCamera)
                    cap = new Capture(Form1.Camera);
                activeCamera = true;
                Image<Bgr, byte> frame = cap.QueryFrame().Resize(320, 240, Emgu.CV.CvEnum.INTER.CV_INTER_CUBIC); ;
                if (frame != null)
                    using (var imageFrame = frame.Convert<Bgr, Byte>())
                    {
                        if (imageFrame != null)
                        {
                            var grayframe = imageFrame.Convert<Gray, byte>();
                            Rectangle[] faces = Form1.Face.DetectMultiScale(grayframe, 1.2, 10, new Size(50, 50), Size.Empty);
                            foreach (var face in faces)
                            {
                                Rectangle fac = face;
                                fac.X += (int)(fac.Height * 0.1);
                                fac.Y += (int)(fac.Width * 0.22);
                                fac.Height -= (int)(fac.Height * 0.3);
                                fac.Width -= (int)(fac.Width * 0.2);
                                result = imageFrame.Copy(fac).Convert<Gray, byte>().Resize(100, 100, Emgu.CV.CvEnum.INTER.CV_INTER_CUBIC);
                                imageFrame.Draw(fac, new Bgr(Color.BurlyWood), 2); //the detected face(s) is highlighted here using a box that is drawn around it/them
                            }
                        }
                        if (imageFrame != null)
                            pictureBox1.Image = imageFrame.ToBitmap();
                        else
                            pictureBox1.Image = frame.ToBitmap();

                        if (result != null)
                        {
                            result = result
                            .Convert<Gray, Byte>()
                            .Resize(76, 64, Emgu.CV.CvEnum.INTER.CV_INTER_CUBIC);
                        }
                        Save();
                    }
            }
            catch (Exception Ex)
            {
                // MessageBox.Show(Ex.Message);
            }
        }
        public  void Save()
        {
            if (TookFoto == true && CountImage <= 10)
            {
                String s1 = "NewUserFaces/u";
                String s2 = CountImage.ToString();
                String s3 = ".jpg";
                PathNewUser = s1 + s2 + s3;
                newPhotos[CountImage - 1] = result;
                CountImage++;
                result.Save(PathNewUser);
                button1.Enabled = false;
                pictureBox2.Image = result.ToBitmap();
                pictureBox2.Refresh();
                button1.Text = "Wait";
            }
            else
            {
                button1.Text = "Record Faces";
                TookFoto = false;
                CountImage = 1;
                button1.Enabled = true;
            }
        }
        public static void SSHUpload(String localD, String SaveFoto) //zapisywanie zdjec do przestrzenii dyskowej
        {
            const String host = "212.237.20.10";
            const String username = "root";
            const String password = "T{1*z1#oye";
            const String remoteDirectory = "/home/photos";
            // const String localDirectory = @"c: \users\patryk\desktop\tiger2.jpg";
            String localDirectory = localD;
            const int port = 22;

            // textBox1.Text = "Tworzenie klienta i łączenie";

            using (var client = new SftpClient(host, port, username, password))
            {
                client.Connect();
                client.ChangeDirectory(remoteDirectory);
                var listDirectory = client.ListDirectory(remoteDirectory);
                using (var fileStream = new FileStream(localDirectory, FileMode.Open))
                {
                    client.BufferSize = 4 * 1024;
                    client.UploadFile(fileStream, Path.GetFileName(SaveFoto));
                    // textBox1.Text = "Upload Succesfull";
                }
            }
        }
        public void ShowImageForm(Image<Gray, byte> imageSmall, Image<Bgr, byte> imageBig)
        {
            try
            {
                if (imageBig != null)
                {
                    pictureBox1.Image = imageBig.ToBitmap(); ;
                    result = imageSmall;
                    Save();
                }

            }
            catch (Exception Ex)
            {
                MessageBox.Show(Ex.Message);
            }

        }
        public static void SaveImageToData(int setID)
        {
            try
            {
                if (newPhotos[0] != null)
                {
                    String s1 = "facesdata/u";
                    laID = setID;
                    String s2 = laID.ToString();
                    char s3 = '/';
                    int b = 1;
                    String s5 = ".jpg";
                    Directory.CreateDirectory(s1 + s2);
                    sciezka = s1 + s2;
                    String saveToDataImage = s1 + s2 + s3 + b.ToString() + s5;
                    String fileImage =  laID + s5;

                    foreach (var i in newPhotos)
                    {
                        Image<Gray, Byte> faceGrayPic = i
                        .Convert<Gray, Byte>()
                        .Resize(76, 64, Emgu.CV.CvEnum.INTER.CV_INTER_CUBIC);
                        Form1.trainingImages.Add(faceGrayPic);
                        Form1.Names_List_ID.Add(laID);
                        String s4 = b.ToString();
                        b++;
                        String s6 = s1 + s2 + s3 + s4 + s5;
                        i.Save(s6);
                    }
                    for (int i = 0; i < 10; i++)
                        newPhotos[i] = null;
                    SSHUpload(saveToDataImage, fileImage);
                }
            }
            catch (Exception Ex)
            {
                MessageBox.Show(Ex.Message);
                MessageBox.Show("Nie dodano zdjęcia użytkownika, aby uzupełnić brakujące dane, udaj się do Users");
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            TookFoto = true;
        }

        private void button2_Click(object sender, EventArgs e)
        {
            SaveImageToData((User.getMaxId() + 1));
            String Id = laID.ToString();
            String u = textBox2.Text;
            String p = textBox3.Text;
            String r = sciezka;
            if (String.IsNullOrEmpty(u) || String.IsNullOrEmpty(p))
            {
                MessageBox.Show("It's empty");
                return;
            }
            currUser = User.Insert(Id, u, p, r);
            Form1.TrainFace();
            // Application.Idle -= new EventHandler(VideoCamera);
            Form1.numberForm = 0;
            Application.Idle -= new EventHandler(SceneCamera);
            this.Close();
        }
        private void NewUser_FormClosed(object sender, FormClosedEventArgs e)
        {
            Form1.numberForm = 0;
            //Application.Idle -= new EventHandler(VideoCamera);
        }

        private void button3_Click(object sender, EventArgs e)
        {
           // label
            if (textBox1.Text != "")
            {
                Form1.serialPort1.WriteLine(textBox1.Text);
                //for(int i = 0; i < 100; i++)
                int i = 0;
                while (true)
                {
                    try
                    {
                        string message = Form1.serialPort1.ReadLine();
                        if (message != "0")
                        {
                            i++;
                           label6.Text = message;
                            if (i == 2)
                                return;
                        }

                    }
                    catch (TimeoutException) { }
                }
            }
        }

        private void button1_Click_1(object sender, EventArgs e)
        {
            TookFoto = true;
        }

        private void LoadAll()
        {
            List<User> users = User.GetUsers();
        }
    }
}