/*
 * Copyright 2024, Santiago Lema <santiago@lema.org>
 * All rights reserved. Distributed under the terms of the MIT license.
 */

#include "MainWindow.h"

static int progressAnim = 0;


#include <Application.h>
#include <Button.h>
#include <Catalog.h>
#include <LayoutBuilder.h>
#include <Menu.h>
#include <MenuBar.h>
#include <MimeType.h>
#include <ScrollView.h>
#include <StringView.h>
 
#include <View.h>
#include <MessageRunner.h>

#include "Conversation.h"

#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "Window"

static const uint32 kMsgNewFile = 'fnew';
static const uint32 kMsgOpenFile = 'fopn';
static const uint32 kMsgSaveFile = 'fsav';

static const uint32 kPulse = 'plse';

static const uint32 kSendPrompt = 'kspt';
static const uint32 kQuestionChanged = 'kqch';

MainWindow::MainWindow()
    : BWindow(BRect(100, 100, 600, 400), B_TRANSLATE("BeDumb"), B_TITLED_WINDOW,
              B_ASYNCHRONOUS_CONTROLS | B_QUIT_ON_WINDOW_CLOSE) {


	//Without this conversation would never get bmessages from HttpRequest
	LockLooper();
	AddHandler(_conversation);
	UnlockLooper();


  BMenuBar *menuBar = _BuildMenu();

  BLayoutBuilder::Group<>(this, B_VERTICAL, 0).Add(menuBar).AddGlue().End();

  _inputField = new BTextView("input_view", B_WILL_DRAW | B_FOLLOW_ALL);
  _inputField->SetText("What is the matrix ?");
  _inputField->MakeEditable(true);
  _inputField->MakeSelectable(true);
  _inputField->SetWordWrap(true);
  

  _progress = new BStatusBar("prog");
  _progress->SetMaxValue(100);
  _progress->SetTo(0);
  _progress->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));

  BStringView *header = new BStringView("biglabel", "Let's Be Dumber!");
  BFont font;
  header->GetFont(&font);
  font.SetSize(20);
  header->SetFont(&font);

  // Info view, only one line high
  _infoView = new BTextView("info");
  _infoView->SetText("...");
  _infoView->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
  _infoView->MakeEditable(false);
  _infoView->MakeSelectable(false);
  _infoView->SetWordWrap(false);

  float lineHeight = _infoView->LineHeight(0);
  _infoView->SetExplicitMinSize(BSize(B_SIZE_UNSET, lineHeight));
  _infoView->SetExplicitMaxSize(BSize(B_SIZE_UNLIMITED, lineHeight));

  float askH = lineHeight * 5;
  _inputField->SetExplicitMinSize(BSize(B_SIZE_UNSET, askH));


  BButton *sendButton =
      new BButton("send", B_TRANSLATE("Send"), new BMessage(kSendPrompt),
                  B_WILL_DRAW | B_NAVIGABLE);

  _answerView = new BTextView("answer", B_WILL_DRAW | B_FOLLOW_ALL);
  _answerView->MakeEditable(false);  // Disable editing
  _answerView->MakeSelectable(true); // Enable text selection
  _answerView->SetWordWrap(true);

  BScrollView *scrollView =
      new BScrollView("scroll_view", _answerView, B_FOLLOW_ALL | B_WILL_DRAW, 0,
                      false, true); // horizontal and vertical scrollbars

  BLayoutBuilder::Group<>(this, B_VERTICAL, 0)

      .AddGlue(0.1)
      .Add(header)
      .AddGlue(0.1)

      .AddGroup(B_HORIZONTAL, 0, 1)
      .Add(_inputField)
      .AddGroup(B_HORIZONTAL, 0, 1)
      .Add(sendButton)
      .End()
      .End()

      .AddGlue(0.1)
      .Add(scrollView)
      .Add(_progress)
      .Add(_infoView)

      .SetInsets(5, 5, 5, 5)

      .End();
	  
	  
		BMessageRunner* runner = new BMessageRunner(
			this,                        // target BHandler
			new BMessage(kPulse),
			50000                      // interval in μs (0 ms)
		);

}

MainWindow::~MainWindow() {}

void MainWindow::MessageReceived(BMessage *message) {

  switch (message->what) { 


	case kPulse: {

			if (progressAnim >=1 && progressAnim <= 85) {
				_progress->SetTo(progressAnim);
				progressAnim++;
			}
			break;
		}
		//  case kMsgNewFile: {
    //    fSaveMenuItem->SetEnabled(false);
    //    printf("New\n");
    //  } break;

    //  case kMsgOpenFile: {
    //    fSaveMenuItem->SetEnabled(true);
    //    printf("Open\n");
    //  } break;

    //  case kMsgSaveFile: {
    //    printf("Save\n");
    //  } break;

  case kSendPrompt: {

    _progress->SetMaxValue(100);
    _progress->SetTo(0);
	_answerView->SetText("...");
	progressAnim = 1;//will trigger animation




    printf("Button Pressed\n");
	_infoView->SetText("Asking...");
    _conversation->ask(std::string(_inputField->Text()));

  } break;

  case kSendReply: {
    printf("Conversation returned!\n");
	_infoView->SetText("Answer Received");

	progressAnim = 100;


   const char* text;
            if (message->FindString("text", &text) == B_OK) {
                printf("Received text: %s\n", text);
                // Do something with text (e.g., set it to a BTextView)
                _answerView->SetText(text);
            } else {
                printf("No text found in message.\n");
				_answerView->SetText("NO TEXT IN REPLY");
			}
    _progress->SetMaxValue(100);
    _progress->SetTo(100);
			
  } break;


  default: {
    // message->PrintToStream();
    BHandler::MessageReceived(
        message); // call the parent handler for other messages
    //	  _infoView->SetText(message->FindMessage());
    break;
  }

  } // end switch

} // end function


BMenuBar *MainWindow::_BuildMenu() {

  BMenuBar *menuBar = new BMenuBar("menubar");
  BMenu *menu;
  BMenuItem *item;

  // menu 'File'
  menu = new BMenu(B_TRANSLATE("File"));

  // item = new BMenuItem(B_TRANSLATE("New"), new BMessage(kMsgNewFile), 'N');
  // menu->AddItem(item);

  // item = new BMenuItem(B_TRANSLATE("Open" B_UTF8_ELLIPSIS),
  //                     new BMessage(kMsgOpenFile), 'O');
  // menu->AddItem(item);

  // fSaveMenuItem =
  //     new BMenuItem(B_TRANSLATE("Save"), new BMessage(kMsgSaveFile), 'S');
  // fSaveMenuItem->SetEnabled(false);
  // menu->AddItem(fSaveMenuItem);

  //  menu->AddSeparatorItem();

  item = new BMenuItem(B_TRANSLATE("About" B_UTF8_ELLIPSIS),
                       new BMessage(B_ABOUT_REQUESTED));
  item->SetTarget(be_app);
  menu->AddItem(item);

  item =
      new BMenuItem(B_TRANSLATE("Quit"), new BMessage(B_QUIT_REQUESTED), 'Q');
  menu->AddItem(item);

  menuBar->AddItem(menu);

  return menuBar;
}