/*
	***** BEGIN LICENSE BLOCK *****

	Copyright © 2021 YOUR_NAME <- TODO
	
	This file is part of Zotero.

	Zotero is free software: you can redistribute it and/or modify
	it under the terms of the GNU Affero General Public License as published by
	the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	Zotero 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 Affero General Public License for more details.

	You should have received a copy of the GNU Affero General Public License
	along with Zotero. If not, see <http://www.gnu.org/licenses/>.

	***** END LICENSE BLOCK *****
*/


function detectWeb(doc, url) {
	// TODO: adjust the logic here
	if (url.includes('/article/')) {
		return "newspaperArticle";
	}
	else if (getSearchResults(doc, true)) {
		return "multiple";
	}
	return false;
}

function getSearchResults(doc, checkOnly) {
	var items = {};
	var found = false;
	// TODO: adjust the CSS selector
	var rows = doc.querySelectorAll('h2 > a.title[href*="/article/"]');
	for (let row of rows) {
		// TODO: check and maybe adjust
		let href = row.href;
		// TODO: check and maybe adjust
		let title = ZU.trimInternal(row.textContent);
		if (!href || !title) continue;
		if (checkOnly) return true;
		found = true;
		items[href] = title;
	}
	return found ? items : false;
}

function doWeb(doc, url) {
	if (detectWeb(doc, url) == "multiple") {
		Zotero.selectItems(getSearchResults(doc, false), function (items) {
			if (items) ZU.processDocuments(Object.keys(items), scrape);
		});
	}
	else {
		scrape(doc, url);
	}
}