package at.hannibal2.skyhanni.utils import at.hannibal2.skyhanni.utils.LorenzUtils.round import at.hannibal2.skyhanni.utils.StringUtils.matches import java.text.NumberFormat import java.util.Locale import java.util.TreeMap import kotlin.math.pow import kotlin.math.roundToInt object NumberUtil { @JvmField val nf: NumberFormat = NumberFormat.getInstance(Locale.US) private val suffixes = TreeMap().apply { this[1000L] = "k" this[1000000L] = "M" this[1000000000L] = "B" this[1000000000000L] = "T" this[1000000000000000L] = "P" this[1000000000000000000L] = "E" } private val romanSymbols = TreeMap( mapOf( 1000 to "M", 900 to "CM", 500 to "D", 400 to "CD", 100 to "C", 90 to "XC", 50 to "L", 40 to "XL", 10 to "X", 9 to "IX", 5 to "V", 4 to "IV", 1 to "I", ) ) /** * This code was modified and taken under CC BY-SA 3.0 license * @link https://stackoverflow.com/a/30661479 * @author assylias */ @JvmStatic fun format(value: Number, preciseBillions: Boolean = false): String { @Suppress("NAME_SHADOWING") val value = value.toLong() // Long.MIN_VALUE == -Long.MIN_VALUE so we need an adjustment here if (value == Long.MIN_VALUE) return format(Long.MIN_VALUE + 1, preciseBillions) if (value < 0) return "-" + format(-value, preciseBillions) if (value < 1000) return value.toString() // deal with small numbers val (divideBy, suffix) = suffixes.floorEntry(value) val truncated = value / (divideBy / 10) // the number part of the output times 10 val truncatedAt = if (suffix == "M") 1000 else if (suffix == "B") 1000000 else 100 val hasDecimal = truncated < truncatedAt && truncated / 10.0 != (truncated / 10).toDouble() return if (value > 1_000_000_000 && hasDecimal && preciseBillions) { val decimalPart = (value % 1_000_000_000) / 1_000_000 "${truncated / 10}.$decimalPart$suffix" } else { if (hasDecimal) (truncated / 10.0).toString() + suffix else (truncated / 10).toString() + suffix } } /** * This code was unmodified and taken under CC BY-SA 3.0 license * @link https://stackoverflow.com/a/22186845 * @author jpdymond */ fun Double.roundToPrecision(precision: Int): Double { // TODO is this the same as LorenzUtils.round() ? val scale = 10.0.pow(precision).toInt() return (this * scale).roundToInt().toDouble() / scale } /** * This code was unmodified and taken under CC BY-SA 3.0 license * @link https://stackoverflow.com/a/22186845 * @author jpdymond */ fun Float.roundToPrecision(precision: Int): Float { val scale = 10.0.pow(precision).toInt() return (this * scale).roundToInt().toFloat() / scale } fun Number.ordinal(): String { val long = this.toLong() if (long % 100 in 11..13) return "th" return when (long % 10) { 1L -> "st" 2L -> "nd" 3L -> "rd" else -> "th" } } fun Number.addSuffix(): String { return this.toString() + this.ordinal() } fun Number.addSeparators() = NumberFormat.getNumberInstance().format(this) fun String.romanToDecimalIfNecessary() = toIntOrNull() ?: romanToDecimal() /** * This code was converted to Kotlin and taken under CC BY-SA 3.0 license * @link https://stackoverflow.com/a/9073310 */ fun String.romanToDecimal(): Int { var decimal = 0 var lastNumber = 0 val romanNumeral = this.uppercase() for (x in romanNumeral.length - 1 downTo 0) { when (romanNumeral[x]) { 'M' -> { decimal = processDecimal(1000, lastNumber, decimal) lastNumber = 1000 } 'D' -> { decimal = processDecimal(500, lastNumber, decimal) lastNumber = 500 } 'C' -> { decimal = processDecimal(100, lastNumber, decimal) lastNumber = 100 } 'L' -> { decimal = processDecimal(50, lastNumber, decimal) lastNumber = 50 } 'X' -> { decimal = processDecimal(10, lastNumber, decimal) lastNumber = 10 } 'V' -> { decimal = processDecimal(5, lastNumber, decimal) lastNumber = 5 } 'I' -> { decimal = processDecimal(1, lastNumber, decimal) lastNumber = 1 } } } return decimal } fun Int.toRoman(): String { if (this <= 0) error("$this must be positive!") val l = romanSymbols.floorKey(this) return if (this == l) { romanSymbols[this]!! } else romanSymbols[l] + (this - l).toRoman() } private fun processDecimal(decimal: Int, lastNumber: Int, lastDecimal: Int) = if (lastNumber > decimal) { lastDecimal - decimal } else { lastDecimal + decimal } val pattern = "^[0-9]*$".toPattern() val formatPattern = "^[0-9,.]*[kmb]?$".toPattern() fun String.isInt(): Boolean { return isNotEmpty() && pattern.matcher(this).matches() } fun String.isFormatNumber(): Boolean { return isNotEmpty() && formatPattern.matches(this) } fun percentageColor(percentage: Double) = when { percentage > 0.9 -> LorenzColor.DARK_GREEN percentage > 0.75 -> LorenzColor.GREEN percentage > 0.5 -> LorenzColor.YELLOW percentage > 0.25 -> LorenzColor.GOLD else -> LorenzColor.RED } fun percentageColor(have: Long, max: Long): LorenzColor = percentageColor(have.fractionOf(max)) fun Number.percentWithColorCode(max: Number, round: Int = 1): String { val fraction = this.fractionOf(max) val color = percentageColor(fraction) val amount = (fraction * 100.0).round(round) return "${color.getChatColor()}$amount%" } // TODO create new function formatLong, and eventually deprecate this function. @Deprecated("renamed", ReplaceWith("this.formatLong()")) fun String.formatNumber(): Long = formatLong() fun String.formatDouble(): Double = formatDoubleOrNull() ?: throw NumberFormatException("formatDouble failed for '$this'") fun String.formatLong(): Long = formatDoubleOrNull()?.toLong() ?: throw NumberFormatException("formatLong failed for '$this'") fun String.formatInt(): Int = formatDoubleOrNull()?.toInt() ?: throw NumberFormatException("formatInt failed for '$this'") fun String.formatDoubleOrUserError(): Double? = formatDoubleOrNull() ?: run { ChatUtils.userError("Not a valid number: '$this'") return@run null } fun String.formatLongOrUserError(): Long? = formatDoubleOrNull()?.toLong() ?: run { ChatUtils.userError("Not a valid number: '$this'") return@run null } fun String.formatIntOrUserError(): Int? = formatDoubleOrNull()?.toInt() ?: run { ChatUtils.userError("Not a valid number: '$this'") return@run null } private fun String.formatDoubleOrNull(): Double? { var text = lowercase().replace(",", "") val multiplier = if (text.endsWith("k")) { text = text.substring(0, text.length - 1) 1_000.0 } else if (text.endsWith("m")) { text = text.substring(0, text.length - 1) 1.million } else if (text.endsWith("b")) { text = text.substring(0, text.length - 1) 1.billion } else 1.0 return text.toDoubleOrNull()?.let { it * multiplier } } // Sometimes we just take an L, never find it and forget to write it down val Int.million get() = this * 1_000_000.0 private val Int.billion get() = this * 1_000_000_000.0 val Double.million get() = (this * 1_000_000.0).toLong() /** @return clamped to [0.0, 1.0]**/ fun Number.fractionOf(maxValue: Number) = maxValue.toDouble().takeIf { it != 0.0 }?.let { max -> this.toDouble() / max }?.coerceIn(0.0, 1.0) ?: 1.0 fun interpolate(now: Float, last: Float, lastUpdate: Long): Float { var interp = now if (last >= 0 && last != now) { var factor: Float = (SimpleTimeMark.now().toMillis() - lastUpdate) / 1000f factor = factor.coerceIn(0f, 1f) interp = last + (now - last) * factor } return interp } }