unit MainFormU;

interface

uses
  Winapi.Messages,
  System.SysUtils,
  System.Variants,
  System.Classes,
  Vcl.Graphics,
  Vcl.Controls,
  Vcl.Forms,
  Vcl.Dialogs,
  Vcl.AppEvnts,
  Vcl.StdCtrls,
  IdHTTPWebBrokerBridge,
  Web.HTTPApp,
  IdContext;

type
  TMainForm = class(TForm)
    ButtonStart: TButton;
    ButtonStop: TButton;
    EditPort: TEdit;
    Label1: TLabel;
    ApplicationEvents1: TApplicationEvents;
    ButtonOpenBrowser: TButton;
    procedure FormCreate(Sender: TObject);
    procedure ApplicationEvents1Idle(Sender: TObject; var Done: Boolean);
    procedure ButtonStartClick(Sender: TObject);
    procedure ButtonStopClick(Sender: TObject);
    procedure ButtonOpenBrowserClick(Sender: TObject);
    procedure FormShow(Sender: TObject);
  private
    FServer: TIdHTTPWebBrokerBridge;
    procedure StartServer;
    procedure OnParseAuthentication(AContext: TIdContext; const AAuthType, AAuthData: String;
      var VUsername, VPassword: String; var VHandled: Boolean);

    { Private declarations }
  public
    { Public declarations }
  end;

var
  MainForm: TMainForm;

implementation

{$R *.dfm}

uses
  WinApi.Windows, Winapi.ShellApi;

procedure TMainForm.ApplicationEvents1Idle(Sender: TObject; var Done: Boolean);
begin
  ButtonStart.Enabled := not FServer.Active;
  ButtonStop.Enabled := FServer.Active;
  EditPort.Enabled := not FServer.Active;
end;

procedure TMainForm.ButtonOpenBrowserClick(Sender: TObject);
var
  LURL: string;
begin
  StartServer;
  LURL := Format('http://localhost:%s/swagger/index.html', [EditPort.Text]);
  ShellExecute(0, nil, PChar(LURL), nil, nil, SW_SHOWNOACTIVATE);
end;

procedure TMainForm.ButtonStartClick(Sender: TObject);
begin
  StartServer;
end;

procedure TMainForm.ButtonStopClick(Sender: TObject);
begin
  FServer.Active := False;
  FServer.Bindings.Clear;
end;

procedure TMainForm.FormCreate(Sender: TObject);
begin
  ReportMemoryLeaksOnShutdown := True;

  FServer := TIdHTTPWebBrokerBridge.Create(Self);
  FServer.OnParseAuthentication := OnParseAuthentication;
end;

procedure TMainForm.FormShow(Sender: TObject);
begin
  ButtonOpenBrowser.Click;
end;

procedure TMainForm.OnParseAuthentication(AContext: TIdContext; const AAuthType, AAuthData: String; var VUsername,
  VPassword: String; var VHandled: Boolean);
begin
  if SameText(AAuthType, 'Bearer') then
    VHandled := True;
end;

procedure TMainForm.StartServer;
begin
  if not FServer.Active then
  begin
    FServer.Bindings.Clear;
    FServer.DefaultPort := StrToInt(EditPort.Text);
    FServer.Active := True;
  end;
end;

end.