/***********/
/* HELPERS */
/***********/

function checkForShouldKillSticky(result) {
	var shouldKillSticky = false;
	
	let matchingPatterns = result.mode == "whitelist" ?
						   [ ".*" ] :
						   (typeof result.matchingPatterns != "undefined" ?
							result.matchingPatterns.split("\n") :
							[ ]);
	for (let pattern of matchingPatterns) {
		if (pattern && 
			!pattern.hasPrefix("#") &&
			location.href.match(new RegExp(pattern))) {
			shouldKillSticky = true;
			break;
		}
	}
	let exclusionPatterns = typeof result.exclusionPatterns != "undefined" ?
							result.exclusionPatterns.split("\n") :
							[ ];
	for (let pattern of exclusionPatterns) {
		if (pattern && 
			!pattern.hasPrefix("#") &&
			location.href.match(new RegExp(pattern))) {
			shouldKillSticky = false;
			break;
		}
	}
	
	return shouldKillSticky;
}

function updateIcon(shouldKillSticky) {
	chrome.runtime.sendMessage({ "killingStickies" : shouldKillSticky });
}

/******************/
/* INITIALIZATION */
/******************/

function initialize() {
	chrome.storage.sync.get([ "matchingPatterns", "exclusionPatterns", "mode" ],
	(result) => {
		let shouldKillSticky = checkForShouldKillSticky(result);
		updateIcon(shouldKillSticky);
		window.onload = () => {
			if (shouldKillSticky) killSticky();
		};
	});
}
initialize();