import client from './client';

import environment from './environment';

import router from './router';

const worker = { ...window.worker };

delete window.worker;

const emptyQueue = Object.freeze([]);

const queuesProxyHandler = {

set(target, name, value) {

target[name] = value;

client.update();

return true;

},

get(target, name) {

return target[name] || emptyQueue;

}

}

worker.queues = new Proxy({}, queuesProxyHandler);

const workerProxyHandler = {

set(target, name, value) {

if (target[name] !== value) {

target[name] = value;

client.update();

}

return true;

}

}

const proxy = new Proxy(worker, workerProxyHandler);

if (worker.enabled) {

window.addEventListener('beforeinstallprompt', function (event) {

event.preventDefault();

proxy.installation = event;

});

async function register() {

if ('serviceWorker' in navigator) {

const request = `/service-worker.js`;

try {

proxy.registration = await navigator.serviceWorker.register(request, { scope: '/' });

} catch (error) {

console.log(error);

};

}

};

register();

}

window.addEventListener('online', () => {

proxy.online = true;

if (environment.mode === 'ssg') {

router._update(router.url);

} else {

proxy.responsive = true;

}

});

window.addEventListener('offline', () => {

proxy.online = false;

});

export default proxy;