export const formatNumber = (amt: number, precision: number) => {
	if (precision < 3) { precision = 3; }
	if (amt >= 1e6) {
		return (amt / 1e6).toPrecision(precision) + "M";
	} else if (amt >= 1e3) {
		return (amt / 1e3).toPrecision(precision) + "k";
	}
	return amt.toPrecision(precision)
}

export const formatThousands = (amt: number) => {
	return amt.toString().replace(/\B(?=(\d{3})+(?!\d))/g, " ");
}

export const formatDataVolume = (amt: number, precision: number) => {
	if (amt === undefined) {
		return ""
	}

	if (precision < 3) { precision = 3; }
	if (amt >= 1e18 - 1e15) {
		return (amt / 1e18).toPrecision(precision) + " EB";
	} else if (amt >= 1e15 - 1e12) {
		return (amt / 1e15).toPrecision(precision) + " PB";
	} else if (amt >= 1e12 - 1e9) {
		return (amt / 1e12).toPrecision(precision) + " TB";
	} else if (amt >= 1e9 - 1e6) {
		return (amt / 1e9).toPrecision(precision) + " GB";
	} else if (amt >= 1e6 - 1e3) {
		return (amt / 1e6).toPrecision(precision) + " MB";
	} else if (amt >= 1e3 - 1) {
		return (amt / 1e3).toPrecision(precision) + " kB";
	}
	return amt.toPrecision(precision) + " B"
}
export const formatDataVolumeBits = (amt: number, precision: number) => {
	amt = amt * 8
	if (precision < 3) { precision = 3; }
	if (amt >= 1e18 - 1e15) {
		return (amt / 1e18).toPrecision(precision) + " Eb";
	} else if (amt >= 1e15 - 1e12) {
		return (amt / 1e15).toPrecision(precision) + " Pb";
	} else if (amt >= 1e12 - 1e9) {
		return (amt / 1e12).toPrecision(precision) + " Tb";
	} else if (amt >= 1e9 - 1e6) {
		return (amt / 1e9).toPrecision(precision) + " Gb";
	} else if (amt >= 1e6 - 1e3) {
		return (amt / 1e6).toPrecision(precision) + " Mb";
	} else if (amt >= 1e3 - 1) {
		return (amt / 1e3).toPrecision(precision) + " kb";
	}
	return amt + " b"
}

const second = 1000
const minute = second * 60
const hour = minute * 60
const day = hour * 24

export const formatDuration = (ms: number, decimals: number) => {
	let res = ""
	if (ms >= day) { res += Math.floor(ms / day) + "d " }
	if (ms >= hour) { res += Math.floor((ms % day) / hour) + "h " }
	if (ms >= minute) { res += Math.floor((ms % hour) / minute) + "m " }
	return res + ((ms % minute) / second).toFixed(decimals) + "s"
}

export const formatDate = (
	date: Date | string,
	hours: boolean = true,
	minutes: boolean = true,
	seconds: boolean = true,
) => {
	if (!(date instanceof Date)) {
		date = new Date(date)
	}

	let dateStr = date.getFullYear()
		+ "-" + ("00" + (date.getMonth() + 1)).slice(-2)
		+ "-" + ("00" + date.getDate()).slice(-2)

	if (hours) { dateStr += " " + ("00" + date.getHours()).slice(-2) }
	if (minutes) { dateStr += ":" + ("00" + date.getMinutes()).slice(-2) }
	if (seconds) { dateStr += ":" + ("00" + date.getSeconds()).slice(-2) }
	return dateStr
}

export const formatEuros = (amt: number, precision: number) => {
	return "€ " + (amt / 1000000).toFixed(precision)
}