import { getDS100byIBNR } from './ds100.js';
import { padZeros } from './helpers.js';
import { settingsState } from './settings.js';

export const formatPoint = point => {
	switch (point.type) {
		case 'stop':
		case 'station':
			let station = point.name;

			if (settingsState.showDS100) {
				const ds100 = getDS100byIBNR(point.id);
				if (ds100 !== null) station += ` (${ds100})`;
			}

			return station;

		case 'location':
			if (point.address) return point.address;
			return point.name;

		default:
			return '';
	};
};

export const formatDuration = duration => {
	const mins = duration / 60000;
	const h    = Math.floor(mins / 60);
	const m    = mins % 60;

	if (h > 0) return h+'h '+m+'min';

	return m+'min';
};

export const formatFromTo = obj => {
	if (obj.type === 'stop' || obj.type === 'station')
		return obj.id;
	else if (obj.address)
		return {
			latitude: obj.latitude,
			longitude: obj.longitude,
			address: obj.address,
		};
	else
		return {
			id: obj.id,
			latitude: obj.latitude,
			longitude: obj.longitude,
		};
};

export const formatPrice = price => {
	if (!price) return '-';

	const currencies = {
		USD: '$',
		EUR: '€',
		GBP: '£'
	};

	let ret = currencies[price.currency] || price.currency;

	ret += `${Math.floor(price.amount)}.${padZeros(price.amount * 100 % 100, 2)}`;

	return ret;
};

export const formatTrainTypes = info => {
	const counts = {};

	info.sequence?.groups.forEach(group => {
		const name = group.baureihe?.name;

		if (!name) return;

		counts[name] = (counts[name] ? counts[name] : 0) + 1;
	});

	return Object.entries(counts).map(([name, count]) => {
		let text = "";

		if (count > 1) text += `${count} x `;

		text += name;

		while (text.length < 12) {
			text = ' ' + text + ' ';
		}

		return text;
	}).join(" + ");
};

export const formatLineDisplayName = line => line?.name || line?.operator?.name || "???";

export const formatLineAdditionalName = line => {
	if (!line.name) return null;
	const splitName = line.name.split(' ');

	if (splitName.length === 2 && line.fahrtNr && line.fahrtNr != splitName[1]) {
		return `${splitName[0]} ${line.fahrtNr}`;
	} else {
		return null;
	}
};