const Splashscreen = require("@trodi/electron-splashscreen");

const electron = require("electron");
const path = require("path");
const isDev = require("electron-is-dev");
const electronSettings = require("electron-settings");
const upgrader = require('./upgrader.js');

const app = electron.app;
const Tray = electron.Tray;
const Menu = electron.Menu;
const app_version_as_string = app.getVersion().replace(/\./g, "_") + (isDev ? "-dev" : "");

let mainWindow;
let tray;

const currentSettings = () => {
  const localStorage = electronSettings.get(`${app_version_as_string}.appContext.settings`);
  if (localStorage) {
    return localStorage;
  }
  return false;
};

const createWindow = () => {
  upgrader();

  let appIcon = "";
  let trayIcon = "";
  if (require("os").platform() === "win32") {
    appIcon = __dirname + "/icons/app.ico";
  } else {
    appIcon = __dirname + "/icons/256x256.png";
  }
  if (require("os").platform() === "win32") {
    trayIcon = __dirname + "/icons/tray.ico";
  } else {
    trayIcon = __dirname + "/icons/128x128.png";
  }

  const mainWindowOpt = {
    width: 900,
    height: 680,
    webPreferences: {
      nodeIntegration: true,
      sandbox: false,
    },
    icon: appIcon,
    show: false,
    transparent: true,
  };

  let showOnStart = true;
  if (currentSettings()) {
    if (currentSettings().minimizeOnLaunch === true) {
      showOnStart = false;
    }
  }
  const splashTimeOut = 5000;
  if (showOnStart) {
    mainWindow = Splashscreen.initSplashScreen({
      windowOpts: mainWindowOpt,
      templateUrl: path.join(__dirname, "..", isDev ? "public" : "build", "splash.html"),
      delay: 0,
      minVisible: splashTimeOut,
      splashScreenOpts: {
        height: 900,
        width: 900,
        transparent: true,
      },
    });
  } else {
    mainWindow = new electron.BrowserWindow(mainWindowOpt);
    mainWindow.hide();
  }

  mainWindow.setMenuBarVisibility(false);
  mainWindow.loadURL(isDev ? "http://localhost:3000" : `file://${path.join(__dirname, "../build/index.html")}`);

  var contextMenu = Menu.buildFromTemplate([
    {
      label: "Show App",
      click: function() {
        mainWindow.show();
      },
    },
    {
      label: "Quit",
      click: function() {
        app.isQuiting = true;
        app.quit();
      },
    },
  ]);

  tray = new Tray(trayIcon);
  tray.setContextMenu(contextMenu);
  tray.setIgnoreDoubleClickEvents(true);
  tray.on("click", function() {
    mainWindow.show();
  });

  mainWindow.on("minimize", function(event) {
    if (currentSettings()) {
      if (currentSettings().minimizeToTray) {
        event.preventDefault();
        // Weird behavior on linux where the "minimize" event is triggered when re-opening the app from tray icon.
        setTimeout(() => {
          mainWindow.show();
          mainWindow.hide();
        }, 100);
      }
    }
  });

  mainWindow.on("closed", () => (mainWindow = null));
  app.getWindow = function() {
    return mainWindow;
  };
};

let isPrimaryInstance = app.requestSingleInstanceLock();
if (!isPrimaryInstance) {
  app.quit();
}

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

app.on("ready", () => setTimeout(createWindow, 400));

app.on("window-all-closed", () => {
  if (process.platform !== "darwin") {
    app.quit();
  }
});

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