using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
using System.Runtime.InteropServices;

namespace MyComponent
{
    //public static class ModifyProgressBarColor
    //{
    //    [DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = false)]
    //    static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, IntPtr w, IntPtr l);
    //    public static void SetState(this ProgressBar pBar, int state)
    //    {
    //        SendMessage(pBar.Handle, 1040, (IntPtr)state, IntPtr.Zero);
    //    }
    //}

    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            numberComponent1.GroupTitle = "Copy file";
            numberComponent1.sendMsg = receiveMsg;
      //           progressBar1.SetState(2);

        }

        public void updateProgressBar(int cislo)
        {
            progressBar1.Value = cislo;
        }
        //   ModifyProgressBarColor.SetState(progressBar1, 2);


        FileOperation.SendMsgCnt s = null;

        // public delegate void SetValueIntCallBack(int v);

        public void ZapisData(int cislo)
        {
            if (progressBar1.InvokeRequired)
            {
                s = updateProgressBar;
                this.Invoke(s, new object[] { cislo });
            }
            else
                progressBar1.Value = cislo;
        }

        //  public FileOperation.SendMsgCnt s = null;

        public SendMsgStop sendMsgStop = null;

        //   public delegate void ThreadStart();

        private void receiveMsg()
        {
            try
            {
                //   string z = numberComponent1.Zdroj;
                //   string c = numberComponent1.Cil;
            }

            catch (Exception)
            {
                MessageBox.Show("01", "Chyba");
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            try
            {
                string z = numberComponent1.Zdroj;
                string c = numberComponent1.Cil;

                FileOperation operace = new FileOperation(z, c);
                // s(30);




                //           DelegateCopy objektDelegata = new DelegateCopy(operace.Copy);
                System.Threading.Thread t = new System.Threading.Thread(operace.Copy);
                t.Start();
                //progressBar1.Value = FileOperation.updateProgressBar(5);
            }

            catch (NezadanaCestaExpection ex)
            {
                MessageBox.Show(ex.Message, "Chyba");
            }
            catch (NezadanyCilExpection ex)
            {
                MessageBox.Show(ex.Message, "Chyba");
            }
            catch (Exception)
            {
                // MessageBox.Show("{0}\n{1}", "Během zpracování souboru došlo k chybě.", e.Message);
            }



        }

        private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
        {


            try
            {
                string z = numberComponent1.Zdroj;
                string c = numberComponent1.Cil;

                FileOperation operace = new FileOperation(z, c);
                //operace.Copy(progressBar1);
                for (int i = 0; i <= 100; i++)
                {
                    if (backgroundWorker1.CancellationPending)
                    {
                        File.Delete(c);
                        e.Cancel = true;
                        MessageBox.Show("Kopírování bylo přerušeno!");
                        break;
                    }

                    else
                    {
                        kopirovani();
                        // int pocetZkopirovanych = FileOperation.CharCount(operace.FILENAMEIN) / FileOperation.CharCount(operace.FILENAMEIN);
                        backgroundWorker1.ReportProgress(i);
                    }
                }
                operace.Copy();



            }
            catch (Exception ex) { MessageBox.Show(ex.Message); e.Cancel = true; };
        }

        //   FileOperation.Char
        private void backgroundWorker1_ProgressChanged(object sender, ProgressChangedEventArgs e)
        {
            progressBar1.Value = e.ProgressPercentage;
            lbStavProcent.Text = e.ProgressPercentage.ToString() + " %";
        }

        private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
        {
            if (e.Cancelled)
            {
                progressBar1.Value = 0;
                lbStavProcent.Text = "";
            }
            else
            {
                MessageBox.Show("Kopírování úspěšně dokončeno");
                lbStavProcent.Text = "";
                progressBar1.Value = 0;

            }
        }
        private void kopirovani()
        {
            Thread.Sleep(10);
        }

        private void button1_Click_1(object sender, EventArgs e)
        {
            backgroundWorker1.RunWorkerAsync();

        }

        private void button2_Click(object sender, EventArgs e)
        {
            backgroundWorker1.CancelAsync();
        }

    }
}