const { BrowserWindow, screen } = require('electron');
const path = require('path');

const HUD_URL = process.env.FOX_HUD_URL || 'https://fox.pxo.at/hud';
let hudWindow = null;
let hudLoaded = false;
let pendingShow = false;

function createHud() {
  const { width, height } = screen.getPrimaryDisplay().workAreaSize;

  hudWindow = new BrowserWindow({
    width,
    height,
    x: 0,
    y: 0,
    frame: false,
    transparent: true,
    alwaysOnTop: true,
    show: false,
    skipTaskbar: true,
    hasShadow: false,
    webPreferences: {
      preload: path.join(__dirname, 'preload.js'),
      contextIsolation: true,
      nodeIntegration: false,
      webSecurity: false,
      allowRunningInsecureContent: true,
    },
  });

  hudWindow.setAlwaysOnTop(true, 'screen-saver');
  hudWindow.setVisibleOnAllWorkspaces(true, { visibleOnFullScreen: true });

  hudWindow.webContents.once('did-finish-load', () => {
    hudLoaded = true;
    if (pendingShow) {
      pendingShow = false;
      hudWindow.webContents.send('hud-show');
    }
  });

  hudWindow.loadURL(HUD_URL);

  hudWindow.on('closed', () => {
    hudWindow = null;
    hudLoaded = false;
    pendingShow = false;
  });

  return hudWindow;
}

function showHud() {
  if (!hudWindow) createHud();
  hudWindow.show();
  hudWindow.focus();
  if (hudLoaded) {
    hudWindow.webContents.send('hud-show');
  } else {
    pendingShow = true;
  }
}

function hideHud() {
  if (!hudWindow) return;
  hudWindow.webContents.send('hud-hide');
  setTimeout(() => {
    if (hudWindow) hudWindow.hide();
  }, 600);
}

module.exports = { createHud, showHud, hideHud };