program deviceinfos_fpGUI;

{$mode objfpc}{$H+}

uses
 {$IFDEF UNIX}
  cthreads, 
  cwstring, 
   {$ENDIF}
  SysUtils,
  fpg_base,
  fpg_main,
  fpg_form,
  uos_flat,
  fpg_style_chrome_silver_flatmenu,
  fpg_stylemanager,
  Classes,
  fpg_button,
  fpg_widget,
  fpg_label,
  fpg_Editbtn,
  fpg_grid { you can add units after this };

type

  TDevicesInfos = class(TfpgForm)
    procedure UOS_logo(Sender: TObject);
  private
    {@VFD_HEAD_BEGIN: DevicesInfos}
    infos_grid: TfpgStringGrid;
    Custom1: TfpgWidget;
    Labelport: TfpgLabel;
    btnLoad: TfpgButton;
    FilenameEdit1: TfpgFileNameEdit;
    btnReLoad: TfpgButton;
    Label1: TfpgLabel;
    Label2: TfpgLabel;
    Label3: TfpgLabel;
    {@VFD_HEAD_END: DevicesInfos}
  public
    procedure AfterCreate; override;

    procedure btnLoadClick(Sender: TObject);
    procedure CloseClick(Sender: TObject);
    procedure btnReLoadClick(Sender: TObject);
    procedure CheckInfos();
  end;

  {@VFD_NEWFORM_DECL}

  {@VFD_NEWFORM_IMPL}

var
  ordir: string;

  procedure TDevicesInfos.CheckInfos();
  var
    x: integer;
  begin

    UOS_GetInfoDevice();

    label1.Text := 'Devices Count = ' + IntToStr(UOSDeviceCount);

    label2.Text := 'Def Dev IN = ' + IntToStr(UOSDefaultDeviceIN);

    label3.Text := 'Def Dev OUT = ' + IntToStr(UOSDefaultDeviceOUT);

    infos_grid.rowcount := UOSDeviceCount;
    x := 0;

    while x < UOSDeviceCount do
    begin

      infos_grid.Cells[0, x] := IntToStr(UOSDeviceInfos[x].DeviceNum);
      infos_grid.Cells[1, x] := UOSDeviceInfos[x].DeviceName;
      if UOSDeviceInfos[x].DefaultDevIn = True then
        infos_grid.Cells[2, x] := 'Yes'
      else
        infos_grid.Cells[2, x] := 'No';

      if UOSDeviceInfos[x].DefaultDevOut = True then
        infos_grid.Cells[3, x] := 'Yes'
      else
        infos_grid.Cells[3, x] := 'No';

      infos_grid.Cells[4, x]  := IntToStr(UOSDeviceInfos[x].ChannelsIn);
      infos_grid.Cells[5, x]  := IntToStr(UOSDeviceInfos[x].ChannelsOut);
      infos_grid.Cells[6, x]  := floattostrf(UOSDeviceInfos[x].SampleRate, ffFixed, 15, 0);
      infos_grid.Cells[7, x]  := floattostrf(UOSDeviceInfos[x].LatencyHighIn, ffFixed, 15, 8);
      infos_grid.Cells[8, x]  := floattostrf(UOSDeviceInfos[x].LatencyHighOut, ffFixed, 15, 8);
      infos_grid.Cells[9, x]  := floattostrf(UOSDeviceInfos[x].LatencyLowIn, ffFixed, 15, 8);
      infos_grid.Cells[10, x] := floattostrf(UOSDeviceInfos[x].LatencyLowOut, ffFixed, 15, 8);
      infos_grid.Cells[11, x] := UOSDeviceInfos[x].HostAPIName;
      infos_grid.Cells[12, x] := UOSDeviceInfos[x].DeviceType;
      Inc(x);
    end;
      
 
  end;


  procedure TDevicesInfos.CloseClick(Sender: TObject);
  begin
    if btnLoad.Enabled = False then
      uos_UnloadLib();
  end;

  procedure TDevicesInfos.btnLoadClick(Sender: TObject);
  begin
    // Load the library
   // function uos_loadlib(PortAudioFileName, SndFileFileName, Mpg123FileName, Mp4ffFileName, FaadFileName,  opusfilefilename, libxmpfilename: PChar) : LongInt;
    if uos_LoadLib(PChar(FilenameEdit1.FileName), nil, nil, nil, nil, nil, nil) = 0 then
    begin
      hide;
      Height          := 385;
      btnReLoad.Enabled := True;
      btnLoad.Enabled := False;
      FilenameEdit1.ReadOnly := True;
      UpdateWindowPosition;
      btnLoad.Text    := 'PortAudio library is loaded...';
      CheckInfos();
      WindowPosition  := wpScreenCenter;
      fpgapplication.ProcessMessages;
      sleep(500);
      Show;
    end;
  end;

  procedure TDevicesInfos.btnReLoadClick(Sender: TObject);
  begin
     CheckInfos();
  end;

  procedure TDevicesInfos.AfterCreate;
  begin
    {%region 'Auto-generated GUI code' -fold}


    {@VFD_BODY_BEGIN: DevicesInfos}
    Name           := 'DevicesInfos';
    SetPosition(320, 168, 502, 385);
    WindowTitle    := 'Devices Infos ';
    Hint           := '';
    BackGroundColor := $80000001;
    WindowPosition := wpScreenCenter;
    Ondestroy      := @CloseClick;

    infos_grid := TfpgStringGrid.Create(self);
    with infos_grid do
    begin
      Name           := 'infos_grid';
      SetPosition(10, 160, 480, 180);
      BackgroundColor := TfpgColor($80000002);
      FontDesc       := '#Grid';
      HeaderFontDesc := '#GridHeader';
      Hint           := '';
      RowCount       := 1;
      ColumnCount    := 0;
      RowSelect      := False;
      TabOrder       := 0;
      AddColumn('Dev', 40);
      AddColumn('Name', 200);
      AddColumn('Default IN', 80);
      AddColumn('Default OUT', 80);
      AddColumn('Chan IN', 60);
      AddColumn('Chan OUT', 60);
      AddColumn('S Rate', 63);
      AddColumn('Latency High In', 120);
      AddColumn('Latency High Out', 120);
      AddColumn('Latency Low In', 120);
      AddColumn('Latency Low Out', 120);
      AddColumn('Host API', 80);
      AddColumn('Type', 80);
      DefaultRowHeight := 24;
    end;

    Custom1 := TfpgWidget.Create(self);
    with Custom1 do
    begin
      Name    := 'Custom1';
      SetPosition(10, 8, 115, 115);
      OnPaint := @UOS_logo;
    end;

    Labelport := TfpgLabel.Create(self);
    with Labelport do
    begin
      Name      := 'Labelport';
      SetPosition(136, 40, 320, 15);
      Alignment := taCenter;
      FontDesc  := '#Label1';
      Hint      := '';
      Text      := 'Folder + filename of PortAudio Library';
    end;

    btnLoad := TfpgButton.Create(self);
    with btnLoad do
    begin
      Name      := 'btnLoad';
      SetPosition(16, 128, 470, 23);
      FontDesc  := '#Label1';
      Hint      := '';
      ImageName := '';
      TabOrder  := 0;
      Text      := 'Load that library';
      onclick   := @btnLoadClick;
    end;

    FilenameEdit1 := TfpgFileNameEdit.Create(self);
    with FilenameEdit1 do
    begin
      Name       := 'FilenameEdit1';
      SetPosition(136, 56, 356, 24);
      ExtraHint  := '';
      FileName   := '';
      Filter     := '';
      InitialDir := '';
      TabOrder   := 3;
    end;

    btnReLoad := TfpgButton.Create(self);
    with btnReLoad do
    begin
      Name      := 'btnReLoad';
      SetPosition(430, 353, 60, 23);
      Enabled   := False;
      FontDesc  := '#Label1';
      Hint      := '';
      ImageName := '';
      TabOrder  := 6;
      Text      := 'Re-load';
      onclick   := @btnReLoadClick;
    end;

    Label1 := TfpgLabel.Create(self);
    with Label1 do
    begin
      Name     := 'Label1';
      SetPosition(15, 355, 120, 20);
      FontDesc := '#Label1';
      Hint     := '';
      Text     := 'Devices Count';
    end;

    Label2 := TfpgLabel.Create(self);
    with Label2 do
    begin
      Name     := 'Label2';
      SetPosition(155, 355, 120, 20);
      FontDesc := '#Label1';
      Hint     := '';
      Text     := 'Default Dev IN';
    end;

    Label3 := TfpgLabel.Create(self);
    with Label3 do
    begin
      Name     := 'Label3';
      SetPosition(290, 355, 120, 20);
      FontDesc := '#Label1';
      Hint     := '';
      Text     := 'Default Dev OUT';
    end;

    {@VFD_BODY_END: DevicesInfos}
    {%endregion}

    //////////////////////

    ordir  := IncludeTrailingBackslash(ExtractFilePath(ParamStr(0)));
    Height := 157;
             {$IFDEF Windows}
     {$if defined(cpu64)}
    FilenameEdit1.FileName := ordir + 'lib\Windows\64bit\LibPortaudio-64.dll';
{$else}
    FilenameEdit1.FileName := ordir + 'lib\Windows\32bit\LibPortaudio-32.dll';
   {$endif}

 {$ENDIF}

{$IFDEF Darwin}
  {$IFDEF CPU32}
    opath := ordir;
    opath := copy(opath, 1, Pos('/UOS', opath) - 1);
    FilenameEdit1.FileName := opath + '/lib/Mac/32bit/LibPortaudio-32.dylib';
      {$ENDIF}
  
   {$IFDEF CPU64}
    opath := ordir;
    opath := copy(opath, 1, Pos('/UOS', opath) - 1);
    FilenameEdit1.FileName := opath + '/lib/Mac/64bit/LibPortaudio-64.dylib';
      {$ENDIF}  
 {$ENDIF}


{$IFDEF freebsd}
    {$if defined(CPUAMD64)}
   FilenameEdit1.FileName := ordir + 'lib/FreeBSD/64bit/libportaudio-64.so';
    {$else}
   FilenameEdit1.FileName := ordir + 'lib/FreeBSD/32bit/libportaudio-32.so';
 {$endif}
  {$ENDIF}

     {$if defined(CPUAMD64) and defined(linux) }
    FilenameEdit1.FileName := ordir + '/lib/Linux/64bit/LibPortaudio-64.so';
 {$ENDIF}

 {$if defined(cpu86) and defined(linux)}
    FilenameEdit1.FileName := ordir + '/lib/Linux/32bit/LibPortaudio-32.so';
{$endif}

       {$if defined(linux) and defined(cpuarm)}
    FilenameEdit1.FileName := ordir + 'lib/Linux/arm_raspberrypi/libportaudio-arm.so';
{$endif}

  {$if defined(linux) and defined(cpuaarch64)}
  FilenameEdit1.FileName := ordir + 'lib/Linux/aarch64_raspberrypi/libportaudio_aarch64.so';
  {$ENDIF}
    FilenameEdit1.Initialdir := ordir + 'lib';
    

  end;

  procedure TDevicesInfos.UOS_logo(Sender: TObject);
  begin
  
 

    with Custom1 do
    begin
      Canvas.GradientFill(GetClientRect, clgreen, clBlack, gdVertical);
      Canvas.TextColor := clWhite;
      Canvas.DrawText(60, 20, 'UOS');
    end;
  end;

  procedure MainProc;
  var
    frm: TDevicesInfos;
  begin
    fpgApplication.Initialize;
    if fpgStyleManager.SetStyle('Chrome silver flat menu') then
      fpgStyle := fpgStyleManager.Style;
    frm        := TDevicesInfos.Create(nil);
    try
      frm.Show;
      fpgApplication.Run;
    finally
      uos_free;
      frm.Free;
    end;
  end;

begin
  MainProc;
end.