/*
 * Adds req.cookie
 */
function cookies(req, res, cb) {
	req.cookies = {};

	if (!req.headers.cookie)
		return cb();

	req.headers.cookie.split(/;\s+/).forEach(cookie => {
		var parts = cookie.split("=");
		req.cookies[parts.shift()] = parts.join("=");
	});

	cb();
}

/*
 * Adds req.params from URL parameters
 */
function params(req, res, cb) {
	req.params = {};

	if (!req.urlobj.query)
		return cb();

	req.urlobj.query.split("&").forEach(param => {
		var parts = param.split("=");
		req.params[parts.shift()] = parts.join("=") || true;
	});

	cb();
}

/*
 * Add req.payload
 */
function payload(req, res, cb, app) {
	var max = 50 * 1000;
	req.payload = "";

	var warned = false;
	req.on("data", d => {
		if (!warned && req.payload.length + d.length > max) {
			app.warning("Payload with length above "+max+" bytes ignored.");
			return cb();
		}

		req.payload += d;
	});
	req.on("end", () => {
		if (!warned)
			cb();
	});
}

exports.cookies = cookies;
exports.params = params;
exports.payload = payload;