const { app, BrowserWindow, ipcMain } = require('electron')

const path = require('path')
const url = require('url')

// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let windows = [];

function createWindow() {
    // Create the browser window.
    const win = new BrowserWindow({ width: 800, height: 600 })

    // and load the index.html of the app.
    win.loadURL(url.format({
        pathname: path.join(__dirname, 'index.html'),
        protocol: 'file:',
        slashes: true
    }))

    // Open the DevTools.
    //win.webContents.openDevTools()

    // Emitted when the window is closed.
    win.on('closed', function () {
        // Dereference the window object, usually you would store windows
        // in an array if your app supports multi windows, this is the time
        // when you should delete the corresponding element.
        windows = windows.filter(w => w !== win);
    });

    windows.push(win);
}

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', createWindow)

ipcMain.on('new-window', createWindow);

// Quit when all windows are closed.
app.on('window-all-closed', function () {
    // On OS X it is common for applications and their menu bar
    // to stay active until the user quits explicitly with Cmd + Q
    if (process.platform !== 'darwin') {
        app.quit()
    }
})

app.on('activate', function () {
    // On OS X it's common to re-create a window in the app when the
    // dock icon is clicked and there are no other windows open.
    if (!windows.length) {
        createWindow()
    }
})

// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.

const { app, BrowserWindow, ipcMain, Menu } = require('electron')

const path = require('path')
const url = require('url')

// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let windows = [];

function createWindow() {
    // Create the browser window.
    const win = new BrowserWindow({ width: 800, height: 600 })

    // and load the index.html of the app.
    win.loadURL(url.format({
        pathname: path.join(__dirname, 'index.html'),
        protocol: 'file:',
        slashes: true
    }))

    // Open the DevTools.
    //win.webContents.openDevTools()

    // Emitted when the window is closed.
    win.on('closed', function () {
        // Dereference the window object, usually you would store windows
        // in an array if your app supports multi windows, this is the time
        // when you should delete the corresponding element.
        windows = windows.filter(w => w !== win);
    });

    windows.push(win);
}

function createMenu() {

    const template = [{
        label: 'Application',
        submenu: [
            { label: 'About Application', selector: 'orderFrontStandardAboutPanel:' },
            { type: 'separator' },
            { label: 'Quit', accelerator: 'Command+Q', click: function() { app.quit(); }}
        ]}, {
        label: 'Edit',
        submenu: [
            { label: 'Undo', accelerator: 'CmdOrCtrl+Z', selector: 'undo:' },
            { label: 'Redo', accelerator: 'Shift+CmdOrCtrl+Z', selector: 'redo:' },
            { type: 'separator' },
            { label: 'Cut', accelerator: 'CmdOrCtrl+X', selector: 'cut:' },
            { label: 'Copy', accelerator: 'CmdOrCtrl+C', selector: 'copy:' },
            { label: 'Paste', accelerator: 'CmdOrCtrl+V', selector: 'paste:' },
            { label: 'Select All', accelerator: 'CmdOrCtrl+A', selector: 'selectAll:' }
        ]}
    ];

    Menu.setApplicationMenu(Menu.buildFromTemplate(template));
}

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.on('ready', () => {
    createWindow();
    createMenu();
});

ipcMain.on('new-window', createWindow);

// Quit when all windows are closed.
app.on('window-all-closed', function () {
    // On OS X it is common for applications and their menu bar
    // to stay active until the user quits explicitly with Cmd + Q
    if (process.platform !== 'darwin') {
        app.quit()
    }
})

app.on('activate', function () {
    // On OS X it's common to re-create a window in the app when the
    // dock icon is clicked and there are no other windows open.
    if (!windows.length) {
        createWindow()
    }
})

// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.

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