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

namespace ExcelImprot.Dialog
{
    public partial class StartupDialog : Form
    {
        private delegate void PropertyDelegate(Control objMother, Control objControl, EnableType eType, bool bValue);
        private delegate void MessageDelegate(string strMessage);

        private delegate void Startup_Act();

        private MainWindow _wndMain;
        bool _bControllerInitialized = true;
        

        public StartupDialog()
        {
            InitializeComponent();
            InitVariables();
        }

        private void InitVariables()
        {
            ShowMessage("프로그램 구동을 준비합니다.");
            prgBar.Style = ProgressBarStyle.Marquee;
            prgBar.MarqueeAnimationSpeed = 30;

            bgwInitializer.WorkerSupportsCancellation = true;
            bgwInitializer.RunWorkerAsync();
        }

        private void Initialize()
        {
            _bControllerInitialized = MainController.GetInstance().Initialize();
            //Application.Idle += FinishingDialog;
        }

        private void FinishingDialog()
        {
            //Application.Idle -= FinishingDialog;

            if (!_bControllerInitialized)
            {
                ShowMessage("프로그램 구동준비에 실패하였습니다. 프로그램을 종료합니다.");

                Exit();

                return;
            }

            ShowMessage("프로그램 구동 준비가 완료되었습니다. 프로그램을 시작합니다.");

            EnableProperty(this, this, EnableType.Visible, false);
            _wndMain = new MainWindow();
            EnableProperty(this, _wndMain, EnableType.Visible, true);
        }

        private void EnableProperty(Control objMother, Control objControl, EnableType eType, bool bValue)
        {
            if (objMother.InvokeRequired)
            {
                PropertyDelegate objDelegate = new PropertyDelegate(EnableProperty);
                objMother.Invoke(objDelegate, new object[] { objMother, objControl, eType, bValue });
            }
            else
            {
                switch (eType)
                {
                    case EnableType.Enabled:
                        objControl.Enabled = bValue;
                        break;
                    case EnableType.Visible:
                        objControl.Visible = bValue;
                        break;
                    default:
                        break;
                }
            }
        }

        private void ShowMessage(string strMessage)
        {
            if (InvokeRequired)
            {
                MessageDelegate objDelegate = new MessageDelegate(ShowMessage);
                Invoke(objDelegate, strMessage);
            }
            else
            {
                txtCurrentMessage.Text = strMessage;
                Application.DoEvents();
            }
        }

        private void Exit()
        {
            if (MainController.GetInstance().OpenedExcel != null)
                MainController.GetInstance().OpenedExcel.CloseOpenedExcel();

            Application.ExitThread();
            Application.Exit();

            System.Diagnostics.Process.GetCurrentProcess().Kill();
        }

        private void bgwInitializer_DoWork(object sender, DoWorkEventArgs e)
        {
            Initialize();
        }

        private void bgwInitializer_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
        {
            FinishingDialog();
        }
    }

    public enum EnableType
    {
        Visible,

        Enabled
    }
}