Imports System.IO
Imports System.Text

Public Class Main
    Dim screenWidth As Integer = Screen.PrimaryScreen.Bounds.Width
    Dim screenHeight As Integer = Screen.PrimaryScreen.Bounds.Height
    Private IsFormBeingDragged As Boolean = False
    Private MouseDownX As Integer
    Private MouseDownY As Integer
    Dim Player As New PlayerControl
    Dim fm As New FileManagement
    Dim basedir As String = My.Settings.Basedir
    Dim Arozpath As String = ""
    'Basic Form Movement handler
    Private Sub Form1_MouseDown(ByVal sender As Object, ByVal e As MouseEventArgs) Handles Panel1.MouseDown
        If e.Button = MouseButtons.Left Then
            IsFormBeingDragged = True
            MouseDownX = e.X
            MouseDownY = e.Y
        End If
    End Sub

    Private Sub Form1_MouseUp(ByVal sender As Object, ByVal e As MouseEventArgs) Handles Panel1.MouseUp
        If e.Button = MouseButtons.Left Then
            IsFormBeingDragged = False
        End If
    End Sub

    Private Sub Form1_MouseMove(ByVal sender As Object, ByVal e As MouseEventArgs) Handles Panel1.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

    ' Controlling Events handling clicks and buttons

    Private Sub Panel1_DoubleClick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Panel1.DoubleClick
        My.Settings.Basedir = basedir
        My.Settings.Enrichedbg = CheckBox2.Checked
        My.Settings.bg = CheckBox1.Checked
        My.Settings.Save()
        Me.Close()
    End Sub

    Private Sub Panel1_MouseClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles Panel1.MouseClick
        If e.Button = MouseButtons.Right Then
            MsgBox("Clicked")
        End If
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox2.Click
        If Label1.Text = "Now Playing" Then
            GoTo endhere
        End If
        PictureBox2.Cursor = Cursors.Arrow
        Label1.Text = "Now Playing"
        Player.SetVol(0)
        Player.Play()
        For x As Integer = 0 To My.Settings.Vol Step 1
            Player.SetVol(x)
            Threading.Thread.Sleep(18)
        Next
endhere:
        Threading.Thread.Sleep(120)
        PictureBox2.Cursor = Cursors.Hand

    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox3.Click
        PictureBox3.Cursor = Cursors.Arrow
        For x As Integer = Player.GetVol To 0 Step -1
            Player.SetVol(x)
            Threading.Thread.Sleep(20)
        Next
        Player.Pause()
        Player.SetVol(My.Settings.Vol)
        Threading.Thread.Sleep(120)
        PictureBox3.Cursor = Cursors.Hand
        Label1.Text = "Paused"
    End Sub

    Private Sub Main_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        'Player.LoadSong("e:\Music\「アヤノの幸福理論 Piano Ver. 」歌ってみた【εїз】.mp3")
        If My.Computer.FileSystem.FileExists(basedir & My.Settings.LastPlay) Then
            Player.LoadSong(basedir & My.Settings.LastPlay)
            Label2.Text = Player.GetSongName
        Else
            Label2.Text = "Please select a song to play"
        End If

        CheckBox1.Checked = My.Settings.bg
        CheckBox2.Checked = My.Settings.Enrichedbg
        Player.initiateVol()
        fm.InitiateFolderSystem()
        Player.initiateLoopSetting()
        ListBaseDir()
        If CheckBox1.Checked = True Then
            Background.Show()
        End If
        If CheckArOZOnline() = True Then
            Label7.Text = "ArOZ Linked"
            Label7.ForeColor = Color.Red
            'MsgBox(Arozpath)
            TellArOZMusicPlaying()
        Else
            Label7.Text = "Stand alone"
            Label7.ForeColor = Color.Black
        End If
    End Sub
    Private Sub ClosingChat() Handles Me.Closing
        If Arozpath <> "" Then
            Dim ArOZdir = Path.GetDirectoryName(Arozpath)
            Dim apidir As String = ArOZdir & "\plugins\API\"
            If ReadAPI("api.aro", apidir, "balloon.rx") = "" Then
                WriteAPI("api.aro", apidir, "balloon.rx", "AM Player 被你關掉了…")
            End If
        End If

    End Sub



    Public Sub TellArOZMusicPlaying()
        Dim ArOZdir = Path.GetDirectoryName(Arozpath)
        Dim apidir As String = ArOZdir & "\plugins\API\"
        'MsgBox(apifile)
        If ReadAPI("api.aro", apidir, "balloon.rx") = "" Then
            WriteAPI("api.aro", apidir, "balloon.rx", "AM Player 已開啟~")
        End If

    End Sub



    Public Function CheckArOZOnline()
        Dim p() As Process
        p = Process.GetProcesses
        For Each proc As Process In p
            If proc.ProcessName.ToString.Contains("ArOZ") Then
                Arozpath = proc.MainModule.FileName
                GoTo ArOZfound
            End If
        Next
        Return False
ArOZfound:
        Return True
    End Function

    Public Sub ListBaseDir(Optional ByVal loc As String = "")
        If loc = Nothing Then
            loc = basedir
        End If
        If My.Computer.FileSystem.DirectoryExists(loc) Then 'It is a folder, read all content
            ListBox1.Items.Clear()
            Dim x = fm.ListByDate(basedir)
            For Each y In x
                If y.ToString.Contains(".mp3") Or y.ToString.Contains(".mp4") Or y.ToString.Contains(".wav") Or y.ToString.Contains(".avi") Then
                    ListBox1.Items.Add(y.ToString)
                Else

                End If

            Next
        Else 'It is a Playlist but not a folder, link all base dir

        End If

    End Sub

    Private Sub PictureBox1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox1.Click
        PictureBox1.Cursor = Cursors.Arrow
        Player.SoundFadeOut()

        ListBox1.SelectedIndex = ListBox1.SelectedIndex - 1
        Player.LoadSong(basedir & ListBox1.SelectedItem)
        My.Settings.LastPlay = ListBox1.SelectedItem
        My.Settings.Save()
        Threading.Thread.Sleep(120)
        PictureBox1.Cursor = Cursors.Hand
        Player.SoundFadeIn()
    End Sub

    Private Sub PictureBox5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox5.Click
        PictureBox5.Cursor = Cursors.Arrow
        Player.SoundFadeOut()
        ListBox1.SelectedIndex = ListBox1.SelectedIndex + 1
        Player.LoadSong(basedir & ListBox1.SelectedItem)
        My.Settings.LastPlay = ListBox1.SelectedItem
        My.Settings.Save()
        Threading.Thread.Sleep(120)
        PictureBox5.Cursor = Cursors.Hand
        Player.SoundFadeIn()
    End Sub

    Private Sub PictureBox4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox4.Click
        PictureBox4.Cursor = Cursors.Arrow
        Player.StopPlaying()
        Threading.Thread.Sleep(120)
        PictureBox4.Cursor = Cursors.Hand
        Label1.Text = "Stopped"
    End Sub
    Private Sub PictureBox7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox7.Click
        PictureBox7.Cursor = Cursors.Arrow
        Player.VolUp()
        Threading.Thread.Sleep(120)
        PictureBox7.Cursor = Cursors.Hand
        My.Settings.Vol = Player.GetVol
        My.Settings.Save()
    End Sub

    Private Sub PictureBox6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox6.Click
        PictureBox6.Cursor = Cursors.Arrow
        Player.VolDown()
        Threading.Thread.Sleep(120)
        PictureBox6.Cursor = Cursors.Hand
        My.Settings.Vol = Player.GetVol
        My.Settings.Save()
    End Sub

    '////Other form controling Vol.
    Public Sub MainVolUP()
        On Error Resume Next
        PictureBox7.Cursor = Cursors.Arrow
        Player.VolUp()
        Threading.Thread.Sleep(80)
        PictureBox7.Cursor = Cursors.Hand
        My.Settings.Vol = Player.GetVol
        My.Settings.Save()
    End Sub
    Public Sub MainVolDown()
        On Error Resume Next
        PictureBox6.Cursor = Cursors.Arrow
        Player.VolDown()
        Threading.Thread.Sleep(80)
        PictureBox6.Cursor = Cursors.Hand
        My.Settings.Vol = Player.GetVol
        My.Settings.Save()
    End Sub





    Public Sub PictureBox10_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox10.Click
        PictureBox10.Cursor = Cursors.Arrow
        If LoopCounter.Enabled Then
            LoopCounter.Enabled = False
            Label6.Text = "End Stop"
            My.Settings.LoopMode = "End Stop"
            My.Settings.Save()
        Else
            LoopCounter.Enabled = True
            PlayListCounter.Enabled = False
            Label6.Text = "Single Loop"
            My.Settings.LoopMode = "Single Loop"
            My.Settings.Save()
        End If

        Threading.Thread.Sleep(120)
        PictureBox10.Cursor = Cursors.Hand

    End Sub
    Public Sub PictureBox9_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox9.Click
        PictureBox9.Cursor = Cursors.Arrow
        If PlayListCounter.Enabled Then
            PlayListCounter.Enabled = False
            Label6.Text = "End Stop"
            My.Settings.LoopMode = "End Stop"
            My.Settings.Save()
        Else
            PlayListCounter.Enabled = True
            LoopCounter.Enabled = False
            Label6.Text = "Playlist Loop"
            My.Settings.LoopMode = "Playlist Loop"
            My.Settings.Save()
        End If
        Threading.Thread.Sleep(120)
        PictureBox9.Cursor = Cursors.Hand

    End Sub

    Private Sub PictureBox8_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox8.Click
        PictureBox8.Cursor = Cursors.Arrow
        Dim fd As OpenFileDialog = New OpenFileDialog()
        Dim strFileName As String = ""

        fd.Title = "Play Song"
        fd.InitialDirectory = basedir
        fd.Filter = "All files (*.*)|*.*|All files (*.*)|*.*"
        fd.FilterIndex = 2
        fd.RestoreDirectory = True

        If fd.ShowDialog() = DialogResult.OK Then
            strFileName = fd.FileName
        Else
            GoTo Endhere
        End If
        Try
            Player.LoadSong(strFileName)
            Label1.Text = "Now Playing"
        Catch ex As Exception
            Label1.Text = "File Not Found"
        End Try
        ListBox1.Items.Clear()
        basedir = strFileName.Substring(0, strFileName.LastIndexOf("\") + 1)
        ListBox1.Items.Add(strFileName.Replace(basedir, ""))
Endhere:
        Threading.Thread.Sleep(120)
        PictureBox8.Cursor = Cursors.Hand
        ReloadList()

    End Sub

    'Update Tiem elft and percentage
    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        On Error Resume Next
        Dim a As Double = Player.GetCurrentPos / 60
        Dim b As Integer = Math.Round(a)

        If b > a Then
            b = b - 1
            a = (a - b) * 60
        Else
            a = (a - b) * 60
        End If
        Dim n As String
        If Math.Round(a) < 10 Then
            n = "0" & Math.Round(a)
        Else
            n = Math.Round(a)
        End If
        Label3.Text = b & " : " & n
        Dim x As Double = Player.GetTotalDuration / 60
        Dim y As Integer = Math.Round(x)
        Dim m As String
        If y > x Then
            y = y - 1
            x = (x - y) * 60
        Else
            x = (x - y) * 60
        End If
        If Math.Round(x) < 10 Then
            m = "0" & Math.Round(x)
        Else
            m = Math.Round(x)
        End If
        Label4.Text = y & " : " & m


        ProgressBar1.Value = Player.GetCurrentPos / Player.GetTotalDuration * 100

        Label2.Text = Player.GetSongName
    End Sub



    '//Soring and browsing
    'Creat File System




    Private Sub LoopCounter_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LoopCounter.Tick
        If Player.GetCurrentPos >= Player.GetTotalDuration - 0.2 Then
            Player.StopPlaying()
            Player.Play()
        End If
    End Sub
    '//Looping the playlist
    Private Sub PlayListCounter_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PlayListCounter.Tick
        If Player.GetCurrentPos < 0.5 Then
            Dim itemid As Integer = 0
            Dim nowplaying As String = My.Settings.LastPlay
            For Each item In ListBox1.Items
                If item.ToString.Contains(nowplaying) Then
                    ListBox1.SelectedItem = item
                    Exit For
                End If
            Next
        End If


        If Player.GetCurrentPos >= Player.GetTotalDuration - 0.2 Then
            If Player.GetTotalDuration = 0 Or Player.GetCurrentPos = 0 Then
                GoTo endhere
            End If
            PlayListCounter.Enabled = False
            Dim itemid As Integer = 0
            Dim nowplaying As String = Player.GetSongName
            For Each item In ListBox1.Items
                If item.ToString.Contains(nowplaying) Then
                    ListBox1.SelectedItem = item
                    Exit For
                End If
            Next
            ListBox1.SelectedIndex = ListBox1.SelectedIndex + 1
            If ListBox1.SelectedItem.ToString.Contains(My.Settings.LastPlay.Substring(0, My.Settings.LastPlay.LastIndexOf("."))) Then
                'MsgBox(ListBox1.SelectedItem & vbNewLine & ListBox1.SelectedIndex & vbNewLine & My.Settings.LastPlay.Substring(0, My.Settings.LastPlay.LastIndexOf(".")))
                ListBox1.SelectedIndex = ListBox1.SelectedIndex + 1
                'MsgBox(ListBox1.SelectedItem)
            End If
            Player.LoadSong(basedir & ListBox1.SelectedItem)
            My.Settings.LastPlay = ListBox1.SelectedItem
            My.Settings.Save()
            PlayListCounter.Enabled = True
            'PlayListCounter.Enabled = False
endhere:
        End If

    End Sub


    Private Sub ReloadList()
        ListBaseDir()
        Dim itemid As Integer = 0
        Dim nowplaying As String = Player.GetSongName
        For Each item In ListBox1.Items
            If item.ToString.Contains(nowplaying) Then
                ListBox1.SelectedItem = item
                Exit For
            End If
        Next
    End Sub

    Private Sub ListBox1_DoubleClick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ListBox1.DoubleClick
        Player.SoundFadeOut()
        'MsgBox(basedir & ListBox1.SelectedItem)
        Player.LoadSong(basedir & ListBox1.SelectedItem)
        Label1.Text = "Now Playing"
        My.Settings.LastPlay = ListBox1.SelectedItem
        My.Settings.Save()
        Player.SoundFadeIn()
    End Sub

    Private Sub Button2_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs)
        Player.SetPos(Player.GetTotalDuration - 5)
    End Sub

    Private Sub CheckBox1_CheckedChanged(sender As Object, e As EventArgs) Handles CheckBox1.CheckedChanged
        If CheckBox1.Checked = True Then
            Background.Show()
        Else
            Background.Close()
        End If
    End Sub

    Private Sub PictureBox11_MouseClick(sender As Object, e As MouseEventArgs) Handles PictureBox11.MouseClick
        If Me.Top = screenHeight - Me.Height And Me.Left = screenWidth - Me.Width Then
            Me.Top = screenHeight / 2 - Me.Height / 2
            Me.Left = screenWidth / 2 - Me.Width / 2
        Else
            Me.Top = screenHeight - Me.Height
            Me.Left = screenWidth - Me.Width
        End If


    End Sub

    Public Function ReadAPI(aroname As String, Apploc As String, Item As String)
        On Error Resume Next
        If aroname.Contains(".aro") = True Then
            aroname = aroname.Replace(".aro", "")
        End If
        'MsgBox(Apploc & aroname & ".aro")
        Item = Item.ToLower()
        Dim configloc As String = Apploc & aroname & ".aro"
        Return ReadFileContain(configloc, Item & "=").replace(Item & "=", Nothing)
    End Function

    Public Sub WriteAPI(aroname As String, Apploc As String, Item As String, Content As String)
        On Error Resume Next
        If aroname.Contains(".aro") = True Then
            aroname = aroname.Replace(".aro", "")
        End If
        Item = Item.ToLower()
        Dim configloc As String = Apploc & aroname & ".aro"
        Dim configcontent As String = ReadFile(Apploc & aroname & ".aro")
        configcontent = configcontent.Replace(ReadFileContain(configloc, Item & "="), Item & "=" & Content)
        NewFileAndWrite(configloc, configcontent)

    End Sub
    Private Function ReadFile(ByVal Filename As String)
        On Error Resume Next
        Dim code As String = Nothing
        If System.IO.File.Exists(Filename) = True Then

            Dim objReader As New System.IO.StreamReader(Filename, System.Text.Encoding.GetEncoding(950))
            Dim sb As New StringBuilder
            Do While objReader.Peek() <> -1
                code = objReader.ReadLine()
                sb.AppendLine(code)
            Loop
            objReader.Dispose()
            Return sb.ToString
        Else
            Return Nothing
        End If
    End Function
    Private Function ReadFileContain(ByVal Filename As String, ByVal Contain As String)
        On Error Resume Next
        Dim code As String = Nothing
        If System.IO.File.Exists(Filename) = True Then

            Dim objReader As New System.IO.StreamReader(Filename, System.Text.Encoding.GetEncoding(950))

            Do While objReader.Peek() <> -1

                code = objReader.ReadLine()
                If code.Contains(Contain) Then
                    objReader.Dispose()
                    Return code
                End If
            Loop
            objReader.Dispose()
        Else

            Return Nothing
        End If
    End Function
    Private Function NewFileAndWrite(ByVal directory As String, ByVal fill As String)
        Dim sb As New StringBuilder
        sb.Append(fill)
        If My.Computer.FileSystem.DirectoryExists(directory) = True Then
            Try
                My.Computer.FileSystem.DeleteFile(directory)
            Catch ex As Exception
                Return False
            End Try
        End If
        Try
            IO.File.WriteAllText((directory), sb.ToString, System.Text.Encoding.GetEncoding(950))
        Catch ex As Exception
            Return False
        End Try

        Return True
    End Function

End Class