import {
  QMainWindow,
  QLabel,
  QCheckBox,
  QLineEdit,
  QPushButton,
  QProgressBar,
  QRadioButton,
  FlexLayout,
  QWidget,
  QIcon,
  QDial,
  QPlainTextEdit,
  QTabWidget,
  QGridLayout,
  QScrollArea,
  QPixmap,
  CursorShape,
  WindowState,
  QTextOptionWrapMode,
  QCheckBoxEvents,
  QSystemTrayIcon,
  ReadWriteImageFormats,
  QPushButtonEvents
} from "./index";
import { ok, equal } from "assert";
import { existsSync, unlinkSync, readFileSync } from "fs";
import { resolve } from "path"


const win = new QMainWindow();

const label1 = new QLabel();
label1.setText("Hello world 1 🧙");
label1.setInlineStyle("font-size: 20px;");
label1.setCursor(CursorShape.ForbiddenCursor);

const label2 = new QLabel();
label2.setText("Hello world 2 💻");
label2.setInlineStyle("font-size: 20px;");
label2.setCursor(CursorShape.ForbiddenCursor);

const checkbox = new QCheckBox();
checkbox.setText("Check me out?");
checkbox.setObjectName("check");
checkbox.setChecked(true);
checkbox.addEventListener(QCheckBoxEvents.toggled, checked => {
  console.log(`${checked ? 'checked' : 'unchecked'}`);
  label1.setInlineStyle(`color: ${checked ? 'green' : 'red'}`);
});

const dial = new QDial();
checkbox.setObjectName("dial");

const lineEdit = new QLineEdit();
lineEdit.setPlaceholderText("Enter your thoughts here");
lineEdit.setObjectName("editable");

const button = new QPushButton();
button.setText("Push Push Push!");
button.setObjectName("btn");

const nodeguiLogo = new QIcon(
  resolve(__dirname, "../extras/assets/nodegui.png")
);

const icon = new QIcon(
  resolve(__dirname, "../extras/assets/start_icon.png")
);
button.setIcon(icon);

const tabs = new QTabWidget();
tabs.setTabsClosable(true);
const tab1 = new QWidget();
const tab2 = new QWidget();
tab1.setLayout(new QGridLayout());
tab2.setLayout(new QGridLayout());

if (tab1.layout && tab2.layout) {
  tab1.layout.addWidget(label1);
  tab2.layout.addWidget(label2);
}

tabs.addTab(tab1, icon, "Tab 1");
tabs.addTab(tab2, icon, "Tab 2");

const progressbar = new QProgressBar();
progressbar.setValue(6);
progressbar.setMinimum(1);
progressbar.setMaximum(15);

const radioButton = new QRadioButton();
radioButton.setText("Roger that!");

const rootView = new QWidget();
rootView.setObjectName("root");
rootView.setLayout(new FlexLayout());

const textEdit = new QPlainTextEdit();
textEdit.setPlainText("Hello");
textEdit.setWordWrapMode(QTextOptionWrapMode.NoWrap);

const scrollArea = new QScrollArea();
scrollArea.setInlineStyle("flex: 1; width:'100%';");

const imageLabel = new QLabel();
const pixmap = new QPixmap(
  resolve(__dirname, "../extras/assets/kitchen.png")
);
imageLabel.setPixmap(pixmap);
scrollArea.setWidget(imageLabel);

function testQPixmapSave(fileName: string, format?: ReadWriteImageFormats) {
  try {
    existsSync(fileName) && unlinkSync(fileName);
    ok(!existsSync(fileName));
    equal(pixmap.save(fileName, format), true);
    ok(existsSync(fileName));
    // ideally we want to use file-type, jimp or magica to verify tmp.png has the correct encoding and/or is identical to source img.
    ok(readFileSync(fileName).byteLength > 1000);
  } catch (error) {
    console.error("QPixmap.save test failed", error, error.stack);
  } finally {
    unlinkSync(fileName);
  }
}
testQPixmapSave("tmp.png");
testQPixmapSave("tmp.jpg");
testQPixmapSave("tmp_jpg", "JPG");
testQPixmapSave("tmp_bmp", "BMP");

const trayIcon = new QIcon(
  resolve(__dirname, "../extras/assets/nodegui_white.png")
);
const tray = new QSystemTrayIcon();
tray.setIcon(trayIcon);
tray.show()

if (rootView.layout) {
  rootView.layout.addWidget(tabs);
  rootView.layout.addWidget(checkbox);
  rootView.layout.addWidget(radioButton);
  rootView.layout.addWidget(lineEdit);
  rootView.layout.addWidget(button);
  rootView.layout.addWidget(progressbar);
  rootView.layout.addWidget(textEdit);
  rootView.layout.addWidget(scrollArea);
  rootView.layout.addWidget(dial);
}

(async ()=>{
win.setCentralWidget(rootView);
win.setStyleSheet(`
  #root {
    flex: 1;
    height: '100%';
    align-items: 'center';
    justify-content: 'space-around';
  }
`);
  win.setWindowIcon(nodeguiLogo);
  await win.setWindowTitle("NodeGUI Demo");
  win.resize(400, 700);
  win.show();
  await win.setWindowState(WindowState.WindowActive);
})();

(global as any).win = win; // To prevent win from being garbage collected.
(global as any).systemTray = tray; // To prevent system tray from being garbage collected.