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

    Copyright © 2022 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 *****
*/


async function detectWeb(doc, url) {
	// TODO: adjust the logic here
	if ($$CURSOR$$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;
}

async function doWeb(doc, url) {
	if (await detectWeb(doc, url) == 'multiple') {
		let items = await Zotero.selectItems(getSearchResults(doc, false));
		if (items) {
			await Promise.all(
				Object.keys(items)
					.map(url => requestDocument(url).then(doc => scrape(doc, url)))
			);
		}
	}
	else {
		await scrape(doc, url);
	}
}