import isRoughlyEqual from 'is-roughly-equal';

const testJourneysStationToPoi = async (cfg) => {
	const {test: t, res, validate} = cfg;
	const fromIds = cfg.fromIds || (cfg.fromId
		? [cfg.fromId]
		: []);
	const {id, name, latitude, longitude} = cfg.to;

	validate(t, res, 'journeysResult', 'res');
	const {journeys} = res;

	t.ok(journeys.length >= 3, 'journeys must have >=3 items');
	for (let i = 0; i < journeys.length; i++) {
		const j = journeys[i];

		let o = j.legs[0].origin;
		const oN = 'res.journeys[0].legs[0].destination';
		t.ok(
			fromIds.includes(o.id)
			|| o.station && fromIds.includes(o.station.id),
			`invalid ${oN}.legs[0].origin`,
		);

		let d = j.legs[j.legs.length - 1].destination;
		let dN = `res.journeys[${i}].legs[${j.legs.length - 1}].destination`;
		if (d.station) {
			d = d.station;
			dN += '.station';
		}

		t.equal(d.type, 'location', dN + '.type is invalid');
		t.equal(d.id, id, dN + '.id is invalid');
		t.equal(d.name, name, dN + '.name is invalid');
		t.ok(isRoughlyEqual(0.0001, d.latitude, latitude), dN + '.latitude is invalid');
		t.ok(isRoughlyEqual(0.0001, d.longitude, longitude), dN + '.longitude is invalid');
	}
};

export {
	testJourneysStationToPoi,
};