using Syncfusion.Pdf.Parsing;
using System;
using System.Data;
using System.Drawing;
using System.IO;
using System.Windows.Forms;


namespace Mip
{
    public partial class frmPridatVyrobok : Form
    {
        DataTable pomocnaDT = new DataTable();
        Point poinPosition;
        bool deleteRow = false;
        Single z = 1;
        int sizeH;
        int sizeW;
        string IDVyrobok;
        DataTable DTVykresy = new DataTable();


        public frmPridatVyrobok(string strZakaznik, string idVyrobok = null)
        {
            InitializeComponent();
            label2.Text = strZakaznik;
            IDVyrobok = idVyrobok;
            this.MouseWheel += new MouseEventHandler(pictureBox1_MouseWheel);
        }

        private void pictureBox1_MouseWheel(object sender, MouseEventArgs e)
        {
            if (pictureBox1.Image != null)
            {
                pictureBox1.SizeMode = PictureBoxSizeMode.Zoom;
                z += (Convert.ToSingle(0.1) * (e.Delta / Math.Abs(e.Delta)));
                pictureBox1.Height = Convert.ToInt32(sizeH * z);
                pictureBox1.Width = Convert.ToInt32(sizeW * z);
                if (dataGridView1.RowCount != 0)
                {
                    DataGridViewRow dtrw;
                    dtrw = dataGridView1.CurrentRow;
                    groupBox1.Text = "Zobraziť výkres: " + dtrw.Cells["Nazov_suboru"].Value.ToString() + ", " + "Zoom= " + (Convert.ToSingle(pictureBox1.Width) / Convert.ToSingle(pictureBox1.Image.Width)).ToString();
                }
            }
        }

        private void frmPridatVyrobok_Load(object sender, EventArgs e)
        {
            pomocnaDT.Columns.Add("Nazov_suboru", typeof(string));
            pomocnaDT.Columns.Add("Velkost_suboru", typeof(string));
            pomocnaDT.Columns.Add("Typ_suboru", typeof(string));
            pomocnaDT.Columns.Add("Cesta", typeof(string));
            pomocnaDT.Columns.Add("Data", typeof(string));
            pomocnaDT.Columns.Add("Valid", typeof(int));
            VypisSpojenyRozmer();
            classGlobal.FillCB(comboBox2, "tabpomocnychudajov", "Hodnota", "Kategoria", "Pridať iný názov");
            //if (IDVyrobok != null)
            //{
            //    LoadEditData();
            //}
        }

        //private void LoadEditData()
        //{
        //    DataTable DTEditVyrobok = new DataTable();
        //    //dGVZoznamVyrobkov.CurrentRow.Cells["IDVyrobok"].Value.ToString()

        //    classSQL.SQL("SELECT * FROM tabvyrobok WHERE `IDVyrobok` = " + IDVyrobok + ";", out DTEditVyrobok);
        //    label2.Text = DTEditVyrobok.Rows[0].ItemArray[DTEditVyrobok.Columns["Zakaznik"].Ordinal].ToString();
        //    textBox6.Text = DTEditVyrobok.Rows[0].ItemArray[DTEditVyrobok.Columns["NazovVyrobku"].Ordinal].ToString();
        //    comboBox2.Text = DTEditVyrobok.Rows[0].ItemArray[DTEditVyrobok.Columns["InyNazov"].Ordinal].ToString();

        //    if (DTEditVyrobok.Rows[0].ItemArray[DTEditVyrobok.Columns["RozmerTvar"].Ordinal].ToString() == "Ø") numericUpDown1.Value = 0;
        //    else numericUpDown1.Value = 1;
        //    textBox2.Text = DTEditVyrobok.Rows[0].ItemArray[DTEditVyrobok.Columns["Rozmer1"].Ordinal].ToString();
        //    textBox3.Text = DTEditVyrobok.Rows[0].ItemArray[DTEditVyrobok.Columns["Rozmer2"].Ordinal].ToString();
        //    textBox4.Text = DTEditVyrobok.Rows[0].ItemArray[DTEditVyrobok.Columns["Rozmer3"].Ordinal].ToString();

        //    textBox1.Text = DTEditVyrobok.Rows[0].ItemArray[DTEditVyrobok.Columns["RozlisZnakKonecnaOp"].Ordinal].ToString();
        //    textBox5.Text = DTEditVyrobok.Rows[0].ItemArray[DTEditVyrobok.Columns["Alias"].Ordinal].ToString();
        //    textBox7.Text = DTEditVyrobok.Rows[0].ItemArray[DTEditVyrobok.Columns["PocetSegmentov"].Ordinal].ToString();
        //    VypisSpojenyRozmer();

        //    string cmd = @"SELECT `IDVyrobok`,  
        //                          `IndexVykresu`,
        //                          `IndexVykresu` AS `OldIndexVykresu`,
		      //                    'Z databázy SQL' AS `Názov`,
        //                           '-' AS `Cesta`,
        //                          `IDVykres`,
		      //                    IF (`IndexVykresu` < 100, 'Aktuálny','Neaktuálny') AS `StatusVykresu`
		      //            FROM `mip`.`tabvykres` WHERE `IDVyrobok` = " + IDVyrobok + " ORDER BY `IndexVykresu` ;";
        //    classSQL.SQL(cmd, out DTVykresy);
        //    dataGridView1.DataSource = DTVykresy;
        //}

        private void btnAddVykres_Click(object sender, EventArgs e)
        {
            openFileDialog1.Multiselect = true;
            openFileDialog1.DefaultExt = "jpg";
            openFileDialog1.Filter = "Obrázky (*.BMP;*.JPG;*.JPEG;*.GIF;*.PNG;*.EXIF;*.TIFF)|*.BMP;*.JPG;*.JPEG;*.GIF;*.PNG;*.EXIF;*.TIFF|" + "Pdf súbory (*.pdf)|*.pdf";
            openFileDialog1.FilterIndex = 1;
            openFileDialog1.FileName = "";
            openFileDialog1.ShowDialog();

            if (openFileDialog1.FileNames != null && openFileDialog1.FileName != "")
            {
                foreach (string Cesta in openFileDialog1.FileNames)
                {
                    bool CestaExist = false;
                    foreach (DataRow rowCesta in pomocnaDT.Rows)
                    {
                        if (rowCesta["Cesta"].ToString() == Cesta.ToString()) CestaExist = true;
                    }
                    
                    if (!CestaExist)
                    {
                        FileStream fileStream;
                        fileStream = new FileStream(Cesta, FileMode.Open, FileAccess.Read);
                        var fileSize = (int)fileStream.Length;
                        var VykresData = new byte[fileSize];
                        fileStream.Read(VykresData, 0, fileSize);

                        var FileNameStart = Cesta.LastIndexOf("\\") + 1;
                        var FileName = Cesta.Substring(FileNameStart, Cesta.Length - FileNameStart);
                        var ExtensionStart = Cesta.LastIndexOf(".") + 1;
                        var Extension = Cesta.Substring(ExtensionStart, Cesta.Length - ExtensionStart);

                        pomocnaDT.Rows.Add(FileName, Cesta.Length.ToString(), Extension, Cesta, VykresData.ToString(), Convert.ToInt32(IsFileValid(VykresData, Extension)));

                        dataGridView1.DataSource = pomocnaDT;
                        StyleGridView();
                        dataGridView1.Rows[dataGridView1.Rows.Count - 1].Selected = true;
                        obrazok_Refresh(dataGridView1.Rows.Count - 1);
                        if (dataGridView1.Rows.Count > 5) dataGridView1.FirstDisplayedScrollingRowIndex = dataGridView1.Rows.Count - 5;
                    }
                    else
                    {
                        MessageBox.Show("Súbor: " + Cesta + "\n už v zozname figuruje!", "Upozornenie ...", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    }

                    pictureBox1.Visible = true;
                }
            }

            if (textBox6.Text != "" && textBox2.Text != "" && textBox3.Text != "" && textBox4.Text != "" && dataGridView1.Rows.Count != 0) button5.Enabled = true;
            else button5.Enabled = false; //kontrola naplnenia povinných dát
        }

        private void StyleGridView()
        {
            dataGridView1.Columns["Data"].Visible = false;

            dataGridView1.AutoResizeColumns();
            dataGridView1.Columns[0].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
            dataGridView1.Columns[1].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
            dataGridView1.Columns[2].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
            dataGridView1.Columns[3].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
            dataGridView1.Columns[5].AutoSizeMode = DataGridViewAutoSizeColumnMode.AllCells;
            dataGridView1.AutoResizeRows();
        }

        private bool IsFileValid(byte[] vykresData, string extension)
        {
            try
            {
                switch (extension)
                {
                    case "pdf":
                        PdfLoadedDocument loadedDocument = new PdfLoadedDocument(vykresData);
                        Bitmap pdfToJpeg = loadedDocument.ExportAsImage(0);
                        loadedDocument.Close(true);
                        return true;
                    default:
                        var memoryStream = new MemoryStream(vykresData);
                        Bitmap image = new Bitmap(memoryStream);
                        return true;
                }
            }
            catch (Exception)
            {
                //MessageBox.Show($"Súbor '{Cesta}' nie je obrázok ani pdf");
                return false;
            }
        }

        private void btnVymazVykres_Click(object sender, EventArgs e)
        {
            deleteRow = true;
            int currentRowIndex = dataGridView1.CurrentRow.Index;
            pomocnaDT.Rows[currentRowIndex].Delete();
            if (pomocnaDT.Rows.Count == 0)
            {
                btnVymazVykres.Enabled = false;
                button5.Enabled = false;
                button1.Enabled = false;
                pictureBox1.Visible = false;
            }
            else //v tabulke ešte sú dáta
            {
                if (currentRowIndex > 0) currentRowIndex--;
                dataGridView1.Rows[currentRowIndex].Selected = true;
                obrazok_Refresh(currentRowIndex);
                pictureBox1.Visible = true;
            }
            if (textBox6.Text != "" && textBox2.Text != "" && textBox3.Text != "" && textBox4.Text != "" && dataGridView1.Rows.Count != 0) button5.Enabled = true;
            else button5.Enabled = false; //kontrola naplnenia povinných dát
        }

        private void pictureBox1_LocationChanged(object sender, EventArgs e)
        {

        }

        //int p1=0;
        private void dataGridView1_RowEnter(object sender, DataGridViewCellEventArgs e)
        {
            //label1.Text = "teraz "+p1++.ToString();

            btnVymazVykres.Enabled = true;
            button1.Enabled = true;
            if (textBox6.Text != "" && textBox2.Text != "" && textBox3.Text != "" && textBox4.Text != "" && dataGridView1.Rows.Count != 0) button5.Enabled = true;
            else button5.Enabled = false; //kontrola naplnenia povinných dát




            if (!deleteRow) obrazok_Refresh(e.RowIndex);
            else deleteRow = false;


        }

        private void obrazok_Refresh(int index)
        {

            FileStream fs;
            int fileSize;
            byte[] fileData;
            DataRow dRow;
            if (pomocnaDT.Rows.Count != 0)
            {
                dRow = pomocnaDT.Rows[index];

                var isPdf = dRow["Typ_suboru"].ToString() == "pdf";
                var isValid = dRow["Valid"].ToString() == "1";

                if (isValid)
                {
                    if (isPdf)
                    {
                        FileStream pdfFileStream = new FileStream(dRow["Cesta"].ToString(), FileMode.Open, FileAccess.Read);
                        pictureBox1.Visible = false;
                        pdfDocumentView1.Visible = true;
                        pdfDocumentView1.Load(pdfFileStream);
                        pdfDocumentView1.ZoomMode = Syncfusion.Windows.Forms.PdfViewer.ZoomMode.FitWidth;
                        pdfDocumentView1.Dock = DockStyle.Fill;
                    }
                    else
                    {
                        fs = new FileStream(dRow["Cesta"].ToString(), FileMode.Open, FileAccess.Read);
                        fileSize = (int)fs.Length;
                        fileData = new byte[fileSize];
                        fs.Read(fileData, 0, fileSize);
                        fs.Close();
                        Bitmap obrazok;
                        //using (MemoryStream stream = new MemoryStream(fileData)) obrazok = new Bitmap(stream);
                        MemoryStream stream = new MemoryStream(fileData);
                        obrazok = new Bitmap(stream);
                        pictureBox1.Visible = true;
                        pictureBox1.Image = obrazok;
                        pictureBox1.Height = obrazok.Height;
                        pictureBox1.Width = obrazok.Width;
                        sizeH = pictureBox1.Image.Size.Height;
                        sizeW = pictureBox1.Image.Size.Width;
                        pdfDocumentView1.Visible = false;
                    }
                }
                else
                {
                    pictureBox1.Visible = false;
                    pdfDocumentView1.Visible = false;
                }

                z = 1;
            }
        }




        private void label9_Click(object sender, EventArgs e)
        {

        }

        private void Zavrieť_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void textBox2_TextChanged(object sender, EventArgs e)
        {
            VypisSpojenyRozmer();

            if (textBox6.Text != "" && textBox2.Text != "" && textBox3.Text != "" && textBox4.Text != "" && dataGridView1.Rows.Count != 0) button5.Enabled = true;
            else button5.Enabled = false; //kontrola naplnenia povinných dát
        }

        public void VypisSpojenyRozmer()
        {
            string strSpojeny = "";
            string strKonZnak = "";

            if (textBox2.Text != "")
            {
                if (textBox1.Text == "") strKonZnak = "";
                else strKonZnak = " -" + textBox1.Text;

                if (numericUpDown1.Value == 0)
                {
                    if (textBox3.Text != "" && textBox3.Text != "0") strSpojeny = label10.Text + textBox2.Text + "/" + textBox3.Text + "x" + textBox4.Text + strKonZnak;
                    else strSpojeny = label10.Text + textBox2.Text + "x" + textBox4.Text + strKonZnak;
                }
                else strSpojeny = label10.Text + textBox2.Text + "x" + textBox3.Text + "x" + textBox4.Text + strKonZnak;
            }
            else strSpojeny = "";
            label12.Text = strSpojeny;
        }

        private void numericUpDown1_ValueChanged(object sender, EventArgs e)
        {
            if (numericUpDown1.Value == 0)
            {
                label10.Text = "Ø";
                label4.Text = "Ømax";
                label5.Text = "Ømin";
                label6.Text = "Dĺžka";
            }
            else
            {
                label10.Text = "□";
                label4.Text = "X";
                label5.Text = "Y";
                label6.Text = "Z";
            }
            VypisSpojenyRozmer();
        }

        private void textBox3_TextChanged(object sender, EventArgs e)
        {
            VypisSpojenyRozmer();

            if (textBox6.Text != "" && textBox2.Text != "" && textBox3.Text != "" && textBox4.Text != "" && dataGridView1.Rows.Count != 0) button5.Enabled = true;
            else button5.Enabled = false; //kontrola naplnenia povinných dát
        }

        private void textBox4_TextChanged(object sender, EventArgs e)
        {
            VypisSpojenyRozmer();

            if (textBox6.Text != "" && textBox2.Text != "" && textBox3.Text != "" && textBox4.Text != "" && dataGridView1.Rows.Count != 0) button5.Enabled = true;
            else button5.Enabled = false; //kontrola naplnenia povinných dát
        }
        private void textBox2_KeyPress(object sender, KeyPressEventArgs e)
        {
            float floatResult;
            if (e.KeyChar == '.') e.KeyChar = ',';
            if (!(float.TryParse(textBox2.Text + e.KeyChar, out floatResult)) && (int)e.KeyChar != 8) e.KeyChar = '\0';
        }

        private void textBox3_KeyPress(object sender, KeyPressEventArgs e)
        {
            float floatResult;
            if (e.KeyChar == '.') e.KeyChar = ',';
            if (!(float.TryParse(textBox3.Text + e.KeyChar, out floatResult)) && (int)e.KeyChar != 8) e.KeyChar = '\0';
        }

        private void textBox4_KeyPress(object sender, KeyPressEventArgs e)
        {
            float floatResult;
            if (e.KeyChar == '.') e.KeyChar = ',';
            if (!(float.TryParse(textBox4.Text + e.KeyChar, out floatResult)) && (int)e.KeyChar != 8) e.KeyChar = '\0';
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {
            VypisSpojenyRozmer();
        }

        private void pictureBox1_Click(object sender, EventArgs e)
        {
            textBox1.Focus();
        }

        private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
            {
                poinPosition = e.Location;
            }
        }

        private void groupBox1_Enter(object sender, EventArgs e)
        {

        }

        private void dataGridView1_DataMemberChanged(object sender, EventArgs e)
        {

        }

        private void dataGridView1_CurrentCellChanged(object sender, EventArgs e)
        {

        }

        private void button5_Click(object sender, EventArgs e)
        {

        }

        private void dataGridView1_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (btnVymazVykres.Enabled && ((Keys)e.KeyChar == Keys.Delete || e.KeyChar == '-')) btnVymazVykres_Click(null, null);
            if (e.KeyChar == '+') btnAddVykres_Click(null, null);

        }

        private void frmPridatVyrobok_KeyPress(object sender, KeyPressEventArgs e)
        {
            // dataGridView1_KeyPress(null, e);
        }

        private void dataGridView1_UserDeletingRow(object sender, DataGridViewRowCancelEventArgs e)
        {
            btnVymazVykres_Click(null, null);
        }

        private void button6_Click(object sender, EventArgs e)
        {

        }

        private void panel1_Paint(object sender, PaintEventArgs e)
        {

        }

        private void btnCopyToClipboard_Click(object sender, EventArgs e)
        {
            Clipboard.SetText(textBox5.Text);
        }

        private void pictureBox1_MouseMove(object sender, MouseEventArgs e)
        {

            if (e.Button == MouseButtons.Left)
            {
                Point changePoint = new Point(e.Location.X - poinPosition.X, e.Location.Y - poinPosition.Y);
                panel1.AutoScrollPosition = new Point(-panel1.AutoScrollPosition.X - changePoint.X, -panel1.AutoScrollPosition.Y - changePoint.Y);
            }

        }

        private void pictureBox1_MouseUp(object sender, MouseEventArgs e)
        {

        }

        private void button6_Click_1(object sender, EventArgs e)
        {
            pictureBox1.SizeMode = PictureBoxSizeMode.Zoom;
            z += Convert.ToSingle(0.1);
            pictureBox1.Height = Convert.ToInt32(sizeH * z);
            pictureBox1.Width = Convert.ToInt32(sizeW * z);
            if (dataGridView1.RowCount != 0)
            {
                DataGridViewRow dtrw;
                dtrw = dataGridView1.CurrentRow;
                groupBox1.Text = "Zobraziť výkres: " + dtrw.Cells["Nazov_suboru"].Value.ToString() + ", " + "Zoom= " + (Convert.ToSingle(pictureBox1.Width) / Convert.ToSingle(pictureBox1.Image.Width)).ToString();
            }
        }

        private void button7_Click(object sender, EventArgs e)
        {
            pictureBox1.SizeMode = PictureBoxSizeMode.Zoom;
            z -= Convert.ToSingle(0.1);
            pictureBox1.Height = Convert.ToInt32(sizeH * z);
            pictureBox1.Width = Convert.ToInt32(sizeW * z);
            if (dataGridView1.RowCount != 0)
            {
                DataGridViewRow dtrw;
                dtrw = dataGridView1.CurrentRow;
                groupBox1.Text = "Zobraziť výkres: " + dtrw.Cells["Nazov_suboru"].Value.ToString() + ", " + "Zoom= " + (Convert.ToSingle(pictureBox1.Width) / Convert.ToSingle(pictureBox1.Image.Width)).ToString();
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            string nazov = dataGridView1.CurrentRow.Cells["Nazov_Suboru"].Value.ToString();
            char[] nnazov = new char[nazov.LastIndexOf(".")];

            nazov.CopyTo(0, nnazov, 0, nnazov.Length);
            textBox6.Text = new string(nnazov);

        }

        private void button2_Click(object sender, EventArgs e)
        {
            Form Add = new frmAddPomUdaje();
            Add.Text = "Pridať iný názov";
            DialogResult dr = Add.ShowDialog();
            if (dr == DialogResult.OK)
            {
                classGlobal.FillCB(comboBox2, "tabpomocnychudajov", "Hodnota", "Kategoria", "Pridať iný názov");
                comboBox2.Text = classGlobal.strNovyPomocnyUdaj;
            }
        }

        private void button5_Click_1(object sender, EventArgs e)
        {
            string cmd;
            DataTable dtbl = new DataTable();
            classSQL.SQL("SELECT `NazovVyrobku` FROM `mip`.`tabvyrobok` WHERE `Zakaznik`= '" + label2.Text
                                                + "' AND `NazovVyrobku` = '" + textBox6.Text + "';", out dtbl);

            if (dtbl.Rows.Count != 0) MessageBox.Show("Výrobok s názvom: \n " + textBox6.Text + "\n v datábáze výrobkov odberateľa " + label2.Text + " už existuje!!!\n Prosím zmeňte názov výrobku", "Pozor ... ",
                                 MessageBoxButtons.OK, MessageBoxIcon.Warning); //Ak sa výrobok v databaze uz nachádza
            else // ak sa výrobok v dtbaze nenachádza tak ho pridať
            {
                classGlobal.strNovyPomocnyUdaj = textBox6.Text; //pomocný údaj pre naplnenie comboboxu po zavreti okna
                string statusVyrobku = "";
                if (radioButton1.Checked == true) statusVyrobku = "Výroba";
                if (radioButton2.Checked == true) statusVyrobku = "Cenová ponuka";

                if (textBox7.Text == "") textBox7.Text = "1"; // Ak je pocet segmentov "" tak potom je 1
                cmd = "INSERT INTO `mip`.`tabvyrobok` (`NazovVyrobku`, `RozmerTvar`, `Rozmer1`, `Rozmer2`, `Rozmer3`, `SpojeneRozmery`, `Zakaznik`, `InyNazov`, `RozlisZnakKonecnaOp`, `Alias`,`PocetSegmentov`, `Status výrobku`) VALUES ('"
                    + textBox6.Text.ToString() + "', '" //NazovVyrobku
                    + label10.Text.ToString() + "', " //RozmerTvar
                    + textBox2.Text.ToString().Replace(",", ".") + ", " //rozmer1
                    + textBox3.Text.ToString().Replace(",", ".") + "," //rozmer2
                    + textBox4.Text.ToString().Replace(",", ".") + ", '" //rozmer3
                    + label12.Text.ToString() + "', '" //spojene rozmery
                    + label2.Text.ToString() + "', '" //zakaznik
                    + comboBox2.Text.ToString() + "', '" //Iny nazov
                    + textBox1.Text.ToString() + "', '" //rozlis znak alebo konecna operacia
                    + textBox5.Text.ToString() + "', " //alias
                    + textBox7.Text.ToString() + ", '"
                    + statusVyrobku + "');"; //Pocet segmetnov

                classSQL.SQL(cmd);
                //dtbl=classSQL.commandSQL(cmd,1);

                // <Pridať výkresovú dokumentáciu do tabvykresy>
                int IDVyrobok;
                //classSQL.commandSQL("SELECT `IDVyrobok` FROM `mip`.`tabvyrobok` WHERE `Zakaznik`= '" + label2.Text + "';");
                // IDVyrobok = (int)classSQL.dTable.Rows[0]["IDVyrobok"];

                string ccmmdd = "SELECT `NazovVyrobku`,`IDVyrobok` FROM `mip`.`tabvyrobok` WHERE `Zakaznik`= '" + label2.Text
                               + "' AND `NazovVyrobku` = '" + textBox6.Text + "';";

                classSQL.SQL(ccmmdd, out dtbl);
                DataRow dtrw = dtbl.Rows[0];
                IDVyrobok = Convert.ToInt32(dtrw["IDVyrobok"].ToString());

                var indexVykresu = 1;

                for (int p1 = 0; p1 < pomocnaDT.Rows.Count; p1++)
                {
                    FileStream fs;
                    int fileSize;
                    byte[] VykresData;

                    dtrw = pomocnaDT.Rows[p1];
                    var isValid = dtrw["Valid"].ToString() == "1";

                    if (isValid)
                    {
                        fs = new FileStream(dtrw["Cesta"].ToString(), FileMode.Open, FileAccess.Read);
                        fileSize = (int)fs.Length;
                        VykresData = new byte[fileSize];
                        fs.Read(VykresData, 0, fileSize);

                        var fileToSave = new byte[fileSize];

                        switch (dtrw["Typ_suboru"].ToString())
                        {
                            case "pdf":
                                PdfLoadedDocument loadedDocument = new PdfLoadedDocument(VykresData);
                                Bitmap pdfToJpeg = loadedDocument.ExportAsImage(0);
                                loadedDocument.Close(true);

                                fileToSave = SaveAsJpeg(pdfToJpeg);
                                break;

                            case "jpg":
                                fileToSave = VykresData;
                                break;

                            default:
                                Bitmap imageToJpeg = new Bitmap(fs);
                                fileToSave = SaveAsJpeg(imageToJpeg);
                                break;
                        }

                        fs.Close();
                        classSQL.SaveVykresToSQL(IDVyrobok, indexVykresu, fileToSave);
                        indexVykresu += 1;
                    }
                    else
                    {
                        MessageBox.Show($"Výkres '{dtrw["Cesta"]}' nie je validný obrázok alebo pdf! {Environment.NewLine} Preto nebol uložený do databázy.");
                    }
                }

                MessageBox.Show("Výrobok úspešne pridaný!");
                this.DialogResult = DialogResult.OK;
                this.Close();

                // </Pridať výkresovú dokumentáciu do tabvykresy>

            }

        }

        private byte[] SaveAsJpeg(Bitmap image)
        {
            byte[] returnImageData;
            using (var stream = new MemoryStream())
            {
                image.Save(stream, System.Drawing.Imaging.ImageFormat.Jpeg);
                returnImageData = stream.ToArray();
            }

            return returnImageData;
        }

        private void textBox6_TextChanged(object sender, EventArgs e)
        {


            if (textBox6.Text != "" && textBox2.Text != "" && textBox3.Text != "" && textBox4.Text != "" && dataGridView1.Rows.Count != 0) button5.Enabled = true;
            else button5.Enabled = false; //kontrola naplnenia povinných dát


        }

        private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {

        }

        private void textBox6_KeyPress(object sender, KeyPressEventArgs e)
        {
            /*
             
             char[] invalidchars = Path.GetInvalidFileNameChars();
             
              foreach (char znak in invalidchars) 
             {
               if (e.KeyChar == znak) e.KeyChar = '\0';

             */

            if ((int)e.KeyChar != 8) foreach (char znak in Path.GetInvalidFileNameChars()) if (e.KeyChar == znak) e.KeyChar = '\0';

        }

        private void toolTip1_Popup(object sender, PopupEventArgs e)
        {

        }

        private void toolTip1_Draw(object sender, DrawToolTipEventArgs e)
        {

        }

        private void textBox7_KeyPress(object sender, KeyPressEventArgs e)
        {
            int intResult;
            //if (e.KeyChar == '.') e.KeyChar = ',';
            if (!(int.TryParse(textBox7.Text + e.KeyChar, out intResult)) && (int)e.KeyChar != 8) e.KeyChar = '\0';
        }

    }

}