import { Readability } from "@mozilla/readability";
import { JSDOM } from "jsdom";
import express from "express";
import morgan from "morgan";
import bodyParser from "body-parser";
import createDOMPurify from "dompurify";

const app = express();
app.use(morgan('combined'));
app.use(bodyParser.text({
	type: "text/html",
}));

app.get('/status', (req, res) => {
	res.type('text/plain').send('OK');
});

app.post('/readability', (req, res) => {
	const doc = new JSDOM(req.body, {
		url: req.params.url,
	});
	const reader = new Readability(doc.window.document);
	const article = reader.parse();
	const purifier = createDOMPurify(doc.window);
	const cleaned = purifier.sanitize(article.content);
	res.send(cleaned);
});

const port = process.env.PORT || 4001;
// only accept local requests
app.listen(port, "localhost", () => {
	console.log(`listening on port ${port}`);
});