const TIME_BETWEEN_INVOCATIONS = 5000; // Time between invocations (ms)
const NUMBER_OF_INVOCATIONS = 5;       // Number of invocations

console.info("Checking time between invocations:", TIME_BETWEEN_INVOCATIONS, ", Number of invocations:", NUMBER_OF_INVOCATIONS);

let invocationNumber = 0;
for(var number = 0; number < NUMBER_OF_INVOCATIONS; number++) {
    setTimeout(function() {
        console.info("*****", ++invocationNumber, "******")
        console.info("Checking for service worker in navigator...");
        if ("serviceWorker" in navigator) {
            console.info("Service worker found in navigator. Checking for unsupported browser message...");
            if (document.querySelector("a[href='https://support.google.com/chrome/answer/95414']")) {
                console.info("Checking cache names from service worker...");
                caches.keys().then(function (cacheNames) {
                    console.info("CacheNames:", cacheNames);
                    cacheNames.forEach(function (cacheName) {
                        console.info("Deleting cache", cacheName, "...");
                        caches.delete(cacheName).then(function (result) {
                            console.info("Cache", cacheName, "deleted:", result);
                        });
                    });
                });

                console.info("Checking service worker registrations...");
                navigator.serviceWorker.getRegistrations().then(function(registrations) {
                    console.info("Registrations:", registrations);
                    registrations.forEach(function (registration) {
                        console.info("Unregistering registration", registration, "...");
                        registration.unregister().then(function(result) {
                            console.info("Registration", registration, "unregistered:", result);
                        });
                    });
                });

                setTimeout(function() {
                    document.location.reload();
                });
            } else {
                console.info("Unsupported browser message not found.");
            }
        } else {
            console.info("Service worker not found in navigator.");
        }
    }, number * TIME_BETWEEN_INVOCATIONS);
}