const starterSites = [
	"cnn.com", "bbc.com", "nytimes.com", "foxnews.com", "theguardian.com",
	"washingtonpost.com", "reuters.com", "nbcnews.com", "cbsnews.com", "msnbc.com",
	"abcnews.go.com", "usatoday.com", "npr.org", "huffpost.com", "forbes.com",
	"bloomberg.com", "politico.com", "time.com", "newsweek.com", "economist.com",
	"apnews.com", "aljazeera.com", "dw.com", "sky.com", "independent.co.uk",
	"telegraph.co.uk", "mirror.co.uk", "dailymail.co.uk", "thesun.co.uk", "ft.com",
	"latimes.com", "chicagotribune.com", "miamiherald.com", "sfchronicle.com", "boston.com",
	"toronto.com", "thestar.com", "globalnews.ca", "cbc.ca", "ctvnews.ca",
	"abc.net.au", "smh.com.au", "theage.com.au", "news.com.au", "theaustralian.com.au",
	"japantimes.co.jp", "yomiuri.co.jp", "asahi.com", "nikkei.com", "mainichi.jp",
	"hindustantimes.com", "timesofindia.indiatimes.com", "indianexpress.com", "thehindu.com", "ndtv.com",
	"straitstimes.com", "channelnewsasia.com", "koreatimes.co.kr", "koreaherald.com", "yonhapnews.co.kr",
	"lemonde.fr", "lefigaro.fr", "liberation.fr", "20minutes.fr", "france24.com",
	"elpais.com", "elmundo.es", "lavanguardia.com", "abc.es", "eldiario.es",
	"corriere.it", "repubblica.it", "lastampa.it", "ansa.it", "ilsole24ore.com",
	"spiegel.de", "zeit.de", "faz.net", "sueddeutsche.de", "welt.de",
	"russia-today.ru", "rt.com", "tass.com", "pravda.ru", "kommersant.ru",
	"chinadaily.com.cn", "globaltimes.cn", "xinhuanet.com", "people.cn", "cctv.com",
	"haaretz.com", "jpost.com", "timesofisrael.com", "ynetnews.com", "al-monitor.com"
]

chrome.runtime.onInstalled.addListener(() => {
	chrome.storage.sync.get({ blockedSites: [] }, data => {
		if (data.blockedSites.length === 0) {
			chrome.storage.sync.set({ blockedSites: starterSites })
			updateRules(starterSites)
		} else {
			updateRules(data.blockedSites)
		}
	})
})

chrome.storage.onChanged.addListener(changes => {
	if (changes.blockedSites) {
		updateRules(changes.blockedSites.newValue)
	}
})

function updateRules(sites) {
	const rules = sites.map((site, i) => ({
		id: i + 1,
		priority: 1,
		action: { type: "block" },
		condition: { urlFilter: site, resourceTypes: ["main_frame"] }
	}))

	chrome.declarativeNetRequest.updateDynamicRules({
		removeRuleIds: rules.map(r => r.id),
		addRules: rules
	})
}