// Copyright (c) 2018  Teddy Wing
//
// This file is part of Legibility.
//
// Legibility is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the
// Free Software Foundation, either version 3 of the License, or (at
// your option) any later version.
//
// Legibility is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Legibility. If not, see <https://www.gnu.org/licenses/>.

var browser;

if (chrome) {
	browser = chrome;
}

browser.runtime.onMessage.addListener(function(message) {
	browser.webNavigation.onCompleted.addListener(function(details) {
		var url = new URL(details.url);

		if (url.hostname === message.domain) {
			browser.tabs.insertCSS(
				details.tabId,
				{ file: '/css/' + message.domain + '.css' }
			);
		}
	});
});


// function insert_css (hostname) {
function wildcard_domains (hostname) {
	var domain_parts = hostname.split('.');
	var domains = [];

	// while (domain_parts.length > 0) {
	// 	domains.unshift(domain_parts.pop());
    //
	// 	var s = domains.join('.');
	// }

	for (var i = domain_parts.length - 1; i >= 0; i--) {
		var domain;

		if (domains[domains.length - 1]) {
			var domain = domain_parts[i] + '.' + domains[domains.length - 1];
		}
		else {
			var domain = domain_parts[i];
		}

		domains.push(domain);
	}

	for (var i = 0; i < domains.length - 1; i++) {
		domains[i] = '*.' + domains[i];
	}

	domains.unshift('*');

	return domains;
}