Imports System.Net
Imports System
Imports System.IO
Public Class Form6

    Dim WithEvents WC As New WebClient

    Dim appPath As String = Application.StartupPath()
    Dim up As String

    Private IsFormBeingDragged As Boolean = False

    Private MouseDownX As Integer
    Dim file As System.IO.FileStream
    Private MouseDownY As Integer
    Dim downweb As String
    Dim z As String
    Dim road As String

    Private Sub Form6_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        For counter = 10 To 90 Step +20

            Me.Opacity = counter / 100

            Me.Refresh()

            Threading.Thread.Sleep(50)
        Next


        Me.Opacity = 100


        For Each Dir As String In Directory.GetDirectories(appPath & "\system\minecraft")
            Dim filePath As String = Dir
            Dim split As String() = filePath.Split("\")
            Dim parentFolder As String = split(split.Length - 1)
            ListBox2.Items.Add(parentFolder)

        Next

        If My.Computer.FileSystem.FileExists(appPath & "\system\update.wtc") Then
            Try
                My.Computer.FileSystem.DeleteFile(appPath & "\system\update.wtc")
                Label1.Text = "正在刪除舊資料…"
            Catch ex As Exception

            End Try

        End If

        Label1.Text = "正連接伺服器取得最新更新列表"
        WC.DownloadFileAsync(New Uri("http://hkwtc.no-ip.org:8080/hkwtcbs/DreamMelody/Download/update.txt"), appPath & "\system\update.wtc")



    End Sub



    Private Sub Form6_MouseDown(ByVal sender As Object, ByVal e As MouseEventArgs) Handles MyBase.MouseDown



        If e.Button = MouseButtons.Left Then

            IsFormBeingDragged = True

            MouseDownX = e.X

            MouseDownY = e.Y

        End If

    End Sub



    Private Sub Form6_MouseUp(ByVal sender As Object, ByVal e As MouseEventArgs) Handles MyBase.MouseUp



        If e.Button = MouseButtons.Left Then

            IsFormBeingDragged = False

        End If

    End Sub



    Private Sub Form6_MouseMove(ByVal sender As Object, ByVal e As MouseEventArgs) Handles MyBase.MouseMove



        If IsFormBeingDragged Then

            Dim temp As Point = New Point()



            temp.X = Me.Location.X + (e.X - MouseDownX)

            temp.Y = Me.Location.Y + (e.Y - MouseDownY)
            Me.Location = temp

            temp = Nothing

        End If

    End Sub

    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick

        If My.Computer.FileSystem.FileExists(appPath & "\system\update.wtc") Then
            Try

                up = My.Computer.FileSystem.ReadAllText(appPath & "\system\update.wtc")

                Timer1.Enabled = False


                'Display


                Dim theObjContents As New ArrayList
                Using objReader As New IO.StreamReader(appPath & "\system\update.wtc")


                    While objReader.EndOfStream = False
                        ListBox1.Items.Add(objReader.ReadLine)
                        Label1.Text = "已下載最新列表"
                    End While

                End Using

            Catch ex As Exception
                Label1.Text = ex.Message
            End Try
        Else
            Label1.Text = "出現了錯誤，請檢查網絡"
        End If

    End Sub

    Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click

        Dim iCount As Integer

        For iCount = 90 To 10 Step -10
            Me.Opacity = iCount / 100
            Threading.Thread.Sleep(50)

        Next
        Me.Close()
    End Sub

    Private Sub ListBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ListBox1.SelectedIndexChanged

    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Timer2.Enabled = True
        downweb = ListBox1.SelectedItem
        downweb = Replace(downweb, vbCrLf, "")
        downweb = Replace(downweb, vbNewLine, "")

        If ListBox1.SelectedItem = "" Then
            Label1.Text = "請選擇更新版本"
        Else
            If My.Computer.FileSystem.FileExists(appPath & "\system\data\download.wtc") Then
                My.Computer.FileSystem.DeleteFile(appPath & "\system\data\download.wtc")
            End If


            If My.Computer.FileSystem.DirectoryExists(appPath & "\system\minecraft\" & downweb) = True Then
                Label1.Text = "這版本已經存在，請先刪除舊版本再重新安裝。"
            ElseIf My.Computer.FileSystem.DirectoryExists(appPath & "\system\minecraft\" & downweb) = False Then
                Try
                    file = System.IO.File.Create(appPath & "\system\data\download.wtc")
                    file.Dispose()

                    Dim sb As New System.Text.StringBuilder
                    sb.AppendLine(downweb)
                    IO.File.WriteAllText((appPath & "\system\data\download.wtc"), sb.ToString(), System.Text.Encoding.GetEncoding(950))
                    Threading.Thread.Sleep(100)

                    Form7.Show()
                Catch ex As Exception

                End Try

            Else
                Label1.Text = "出現錯誤了"
            End If
        End If

       

    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        If My.Computer.FileSystem.DirectoryExists(appPath & "\system\minecraft") Then
            Try
                System.IO.Directory.Delete(appPath & "\system\minecraft\", FileIO.DeleteDirectoryOption.DeleteAllContents)
            Catch ex As Exception
                MsgBox(ex.Message)
            End Try

            Threading.Thread.Sleep(50)
            ListBox2.Items.Clear()

            Try
                For Each Dir As String In Directory.GetDirectories(appPath & "\system\minecraft")
                    Dim filePath As String = Dir
                    Dim split As String() = filePath.Split("\")
                    Dim parentFolder As String = split(split.Length - 1)
                    ListBox2.Items.Add(parentFolder)
                Next
            Catch ex As Exception

            End Try
            If My.Computer.FileSystem.DirectoryExists(appPath & "\system\minecraft") = False Then
                My.Computer.FileSystem.CreateDirectory(appPath & "\system\minecraft")
            End If
        End If
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click


        If My.Computer.FileSystem.DirectoryExists(appPath & "\system\minecraft") Then
            Try
                System.IO.Directory.Delete(appPath & "\system\minecraft\" & ListBox2.SelectedItem, True)
            Catch ex As Exception
                MsgBox(ex.Message)
            End Try
            Threading.Thread.Sleep(50)

            ListBox2.Items.Clear()

            For Each Dir As String In Directory.GetDirectories(appPath & "\system\minecraft")
                Dim filePath As String = Dir
                Dim split As String() = filePath.Split("\")
                Dim parentFolder As String = split(split.Length - 1)
                ListBox2.Items.Add(parentFolder)
                Timer2.Enabled = False
            Next
        End If
    End Sub

   
    Private Sub Timer2_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer2.Tick
        If My.Computer.FileSystem.FileExists(appPath & "\system\data\download.wtc") = False Then
            ListBox2.Items.Clear()
            For Each Dir As String In Directory.GetDirectories(appPath & "\system\minecraft")
                Dim filePath As String = Dir
                Dim split As String() = filePath.Split("\")
                Dim parentFolder As String = split(split.Length - 1)
                ListBox2.Items.Add(parentFolder)
                Timer2.Enabled = False
            Next
        End If
    End Sub

    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click

        Dim fd As OpenFileDialog = New OpenFileDialog()
        Dim strFileName As String
        Try
            fd.Title = "請選擇匯入的安裝檔"
            fd.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Desktop)
            fd.Filter = "夢裡的音符安裝檔|*.nar"
            fd.FilterIndex = 2
            fd.RestoreDirectory = True

        Catch ex As Exception

        End Try
        If fd.ShowDialog() = DialogResult.OK Then
            strFileName = fd.FileName
            TextBox1.Text = strFileName
            Threading.Thread.Sleep(50)
            If My.Computer.FileSystem.FileExists(appPath & "\system\data\install.exe") Then
                My.Computer.FileSystem.DeleteFile(appPath & "\system\data\install.exe")
            End If
            Threading.Thread.Sleep(200)
            My.Computer.FileSystem.CopyFile(TextBox1.Text, appPath & "\system\data\install.exe")
            Shell(appPath & "\system\data\install.exe")
            Threading.Thread.Sleep(50)
            Dim filePath As String = TextBox1.Text
            Dim split As String() = filePath.Split(".")
            Dim parentFolder As String = split(split.Length - 2)
            Threading.Thread.Sleep(200)

           

            Do Until My.Computer.FileSystem.FileExists(appPath & "\info.txt")
                Label1.Text = "載入匯入安裝檔資訊…"
            Loop

            Do Until My.Computer.FileSystem.FileExists(appPath & "\info.txt") = False
                Try

                    road = My.Computer.FileSystem.ReadAllText(appPath & "\info.txt")




                    Threading.Thread.Sleep(200)
                    Try
                        Do While My.Computer.FileSystem.FileExists(appPath & "\info.txt") = True
                            Try
                                My.Computer.FileSystem.CopyDirectory(appPath & "\" & road, appPath & "\system\minecraft\" & road)

                                My.Computer.FileSystem.DeleteDirectory(appPath & "\" & road, FileIO.DeleteDirectoryOption.DeleteAllContents)
                                Timer2.Enabled = True
                            Catch ex As Exception

                            End Try

                            If My.Computer.FileSystem.FileExists(appPath & "\info.txt") Then
                                My.Computer.FileSystem.DeleteFile(appPath & "\info.txt")
                            End If
                        Loop
                    Catch ex As Exception

                    End Try

                Catch ex As Exception

                End Try
            Loop

        End If

    End Sub
End Class