main.js

const { app, ipcMain } = require("electron");
const path = require("path");

const AppTray = require("./app/AppTray");
const InfoWindow = require("./app/InfoWindow");
const MainWindow = require("./app/MainWindow");

const DataIO = require("./DataIO");

const status = {
  DEVELOPMENT: "DEVELOPMENT",
  PRODUCTION: "PRODUCTION",
};

process.env.NODE_ENV = status.PRODUCTION;

const isMac = process.platform === "darwin";
const isWin = process.platform === "win32";
const isDev = process.env.NODE_ENV === status.DEVELOPMENT;

if (isWin) {
  app.setAppUserModelId(app.name);
}

let mainWindow = null;
let infoWindow = null;
let tray = null;

const gotTheLock = app.requestSingleInstanceLock();

function createMainWindow() {
  mainWindow = new MainWindow(
    path.join(__dirname, "assets", "img", "logo-white.png"),
    isDev,
    path.join(__dirname, "front-end", "build", "index.html")
  );

  ipcMain.on("app:ready", () =>
    mainWindow.webContents.send("time:set", DataIO.readData())
  );
  ipcMain.on("time:save", (_, time) => DataIO.saveData(time));
}

function createTray() {
  tray = new AppTray(
    path.join(__dirname, "assets", "img", "tray-icon.png"),
    isDev,
    isWin,
    mainWindow
  );
}

function createInfoWindow() {
  infoWindow = new InfoWindow(
    path.join(__dirname, "assets", "img", "logo-white.png"),
    path.join(__dirname, "info-window", "index.html")
  );

  ipcMain.on("info:close", () => {
    infoWindow.close();
    infoWindow = null;
  });
}

const initialize = () => {
  if (!gotTheLock) {
    app.quit();
    return;
  }

  createMainWindow();
  createTray();
  !isDev && createInfoWindow();

  ipcMain.on("timer:update", (_, time) =>
    isWin
      ? tray.setToolTip(time.length > 0 ? `UnHook\nTime Left: ${time}` : "")
      : tray.setTitle(time)
  );
};

app.on("ready", initialize);

app.on("window-all-closed", () => {
  if (isMac) {
    app.quit();
  }
});

app.on("activate", () => {
  if (mainWindow === null) {
    initialize();
  }
});

app.on("second-instance", () => {
  if (mainWindow) {
    setTimeout(() => {
      mainWindow.center();
      mainWindow.show();
      mainWindow.focus();
    }, 1000);
  }
});