using System.Globalization;

namespace decePubClient.Extensions;

public static class NumbersExtensions
{
	public static string ToDefaultCount(this int value) => value.ToString("N0", CultureInfo.CurrentCulture);

	public static string ToDefaultCount(this long value) => value.ToString("N0", CultureInfo.CurrentCulture);

	public static string ToDefaultCount(this double value) => value.ToString("N0", CultureInfo.CurrentCulture);

	public static string Compact(this int count) => count switch
	{
		< 1000 => count.ToString(CultureInfo.CurrentCulture),
		< 10_000 => (count / 1000d).ToString("0.#", CultureInfo.CurrentCulture) + "k",
		< 1_000_000 => (count / 1000).ToString(CultureInfo.CurrentCulture) + "k",
		_ => (count / 1_000_000d).ToString("0.#", CultureInfo.CurrentCulture) + "M"
	};

	public static string ToDefaultPercent(this double percent) => percent.ToString("0.#", CultureInfo.CurrentCulture) + "%";

	public static string ToWholePercent(this double percent) => percent.ToString("0", CultureInfo.CurrentCulture) + "%";

	public static string ToSignedPercent(this double percent) => percent.ToString("+0.0;-0.0;0.0", CultureInfo.InvariantCulture) + "%";

	public static string ToCssNumber(this double value) => value.ToString("0.#", CultureInfo.InvariantCulture);

	public static string ToReadout(this double value) => value.ToString("0.###", CultureInfo.InvariantCulture);

	public static string ToFixed(this double value, int decimals) =>
		value.ToString("F" + decimals.ToString(CultureInfo.InvariantCulture), CultureInfo.InvariantCulture);
}