"use strict";

import { app, dialog } from "electron";
import { createWindow } from './window';
import { initSession } from './session';
import { initAudioIO } from './audio';
import { backgroundMitt } from '@/modules/emitter';

let win: boolean;

// Listen for window creation.
backgroundMitt.on('window-active', (state: boolean) => {
    win = state;
});

// Auto updating.
const { autoUpdater } = require('electron-updater')
autoUpdater.requestHeaders = { 'PRIVATE-TOKEN': 'mvvgWYwWnot4bisiQMh_' }

autoUpdater.on('update-available', (info: any) => {
    console.log(`Update available: ${info.version}`)
})

autoUpdater.on('update-downloaded', (info: any) => {

    const updateDialog = {
        type: 'info',
        buttons: ['Restart', 'Later'],
        title: 'Application Update',
        message: info.version,
        detail: 'A new version has been downloaded. Restart the application to apply the updates.'
    }

    dialog.showMessageBox(updateDialog).then((returnValue) => {
        if (returnValue.response === 0) autoUpdater.quitAndInstall()
    })

})

// Run when electron app is initialized.
async function main() {
    console.log("MAIN:Initializing Electron App.")

    // Must wait til window is created.
    await createWindow();

    // Instantiate socket session with crimata-platorm.
    initSession();

    // Begin audio stream.
    initAudioIO();

}

// Root function of app.
export function initApp(dev: boolean): void {

    // On initial startup.
    app.on("ready", () => {

        // Check for updates every 2min.
        setInterval(() => {
            autoUpdater.checkForUpdates()
        }, 5000) // 5s for development.

        main()
    });

    // Must keep to ensure app doesn't quit on close.
    app.on("before-quit", () => {
    });

    // Must keep to ensure app doesn't quit on close.
    app.on("window-all-closed", () => {
    });

    // When user clicks app icon (re-open)
    app.on("activate", () => {

        if (!win) {
            createWindow();
        }

    });

    // Exit cleanly on request from parent process in development mode.
    if (dev) {
        process.on("SIGTERM", () => {
            app.quit();
        });
    }
}