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const electron = require('electron');
const { app, Menu, Tray, shell} = require('electron')
const ipc = electron.ipcMain;
let tray;
let mainWindow;
const iconFile = `${__dirname}/images/256x256.png`;

const shouldQuit = app.makeSingleInstance((commandLine, workingDirectory) => {
    // Someone tried to run a second instance, we should focus our window.
    if (myWindow) {
        if (myWindow.isMinimized()) myWindow.restore()
        myWindow.focus()
    }
})
//console.log(`shouldQuit: ${shouldQuit}`)

if (shouldQuit) {
    app.quit()
} else {
    const BrowserWindow = electron.BrowserWindow;
    const configstore = require('configstore');
    const pkg = require('../../package.json');
    const conf = new configstore(pkg.name);


    const action = {
        restart: () => {
            mainWindow.webContents.send('action', {
                action: 'restart'
            })
        },
        home: () => {
            mainWindow.show();
            mainWindow.webContents.send('action', {
                action: 'home'
            })
        },
        toggleVisible: () => {
            if (mainWindow === undefined) {
                return;
            }
            setVisible(!mainWindow.isVisible());
        },
        quit: function () {
            app.isQuiting = true;
            app.quit();
        },
        github: () => {
            shell.openExternal('https://github.com/patrikx3/onenote')
        },
        patrik: () => {
            shell.openExternal('https://patrikx3.tk')
        },
        p3x: () => {
            shell.openExternal('https://github.com/patrikx3')
        },
        corifeus: () => {
            shell.openExternal('https://corifeus.tk')
        },
        npm: () => {
            shell.openExternal('https://www.npmjs.com/~patrikx3')
        },
        download: () => {
            shell.openExternal('https://github.com/patrikx3/onenote/releases')
        },
    }

    const menus = {
        default: () => {

            let visible = false;
            if (mainWindow !== undefined) {
                visible = mainWindow.isVisible() ? true : false;
            }
            return [
                {
                    label: 'Home',
                    click: action.home
                },
                {
                    label: 'Restart / Logout',
                    tooltip: 'You logout and can login again',
                    click: action.restart
                },
                {
                    label: visible ? 'Hide' : 'Show',
                    click: action.toggleVisible
                },
                {
                    label: 'Download',
                    click: action.download
                },
                {
                    label: 'Quit',
                    click: action.quit
                }
            ]
        }
    }

    function createMenu() {
        const template = [
            {
                label: 'P3X OneNote',
                submenu: menus.default(),
            },
            {
                label: 'Edit',
                submenu: [
                    {role: 'undo'},
                    {role: 'redo'},
                    {type: 'separator'},
                    {role: 'cut'},
                    {role: 'copy'},
                    {role: 'paste'},
                    {role: 'pasteandmatchstyle'},
                    {role: 'delete'},
                    {role: 'selectall'}
                ]
            },
            {
                label: 'View',
                submenu: [
                    {role: 'reload'},
                    {role: 'forcereload'},
                    {role: 'toggledevtools'},
                    {type: 'separator'},
                    {role: 'resetzoom'},
                    {role: 'zoomin'},
                    {role: 'zoomout'},
                    {type: 'separator'},
                    {role: 'togglefullscreen'}
                ]
            },
            {
                role: 'help',
                submenu: [
                    {
                        label: 'Download',
                        click: action.download
                    },
                    {
                        label: 'GitHub',
                        click: action.github
                    },
                    {
                        label: 'Patrik Laszlo',
                        click: action.patrik
                    },
                    {
                        label: 'P3X',
                        click: action.p3x
                    },
                    {
                        label: 'Corifeus',
                        click: action.corifeus
                    },
                    {
                        label: 'Npm',
                        click: action.npm
                    },
                ]
            }
        ]

        const menu = Menu.buildFromTemplate(template)
        Menu.setApplicationMenu(menu)
    }

    function createTray() {
        if (tray === undefined) {
            tray = new Tray(iconFile)
            tray.setToolTip('P3X OneNote')
            tray.on('click', action.toggleVisible)
        }
        const contextMenu = Menu.buildFromTemplate(menus.default())
        tray.setContextMenu(contextMenu)
    }

    function setVisible(visible = true) {
        if (visible === null) {
            visible = true;
        }
        if (mainWindow !== undefined) {
            if (visible) {
                mainWindow.show();
            } else {
                mainWindow.hide();
            }
        }
        conf.set('visible', visible);
        createMenu();
        createTray()
    }


    function createWindow() {

        mainWindow = new BrowserWindow({
            icon: iconFile,
            toolbar: false,
        });


        setVisible(conf.get('visible'));

        mainWindow.loadURL('file://' + __dirname + '/index.html');

        mainWindow.on('minimize', function (event) {
            event.preventDefault()
            setVisible(false);
        });

        mainWindow.on('close', function (event) {
            if (!app.isQuiting) {
                event.preventDefault()
                setVisible(false);
            }
            return false;
        });

        const windowBounds = conf.get('windowBounds');
        if (windowBounds !== null && windowBounds !== undefined) {
            mainWindow.setBounds(windowBounds);
        }



    }
    ipc.on('did-finish-load', function () {
        const hostData = conf.get('toHost');
//    console.log('Loading data', hostData);
        if (hostData !== undefined && hostData !== null) {
            mainWindow.webContents.send('onload-user', hostData);
        }
    });

    ipc.on('save', function (event, data) {
//    console.log('Save', data)
        conf.set('toHost', data);
        conf.set('windowBounds', mainWindow.getBounds());
    })

    app.on('ready', createWindow);

    app.on('window-all-closed', function () {

        if (process.platform !== 'darwin') {
            app.quit();
        }
    });

    app.on('activate', function () {
        if (mainWindow === null) {
            createWindow();
        }
    });

}