Updated on 2026-08-14

core/utils/src/main/java/com/tangem/utils/FormatExtensions.kt

@@ -6,6 +6,7 @@ import java.text.DecimalFormat
 import java.text.DecimalFormatSymbols
 import java.util.*
 
+//todo determine where to place this extensions
 fun BigDecimal.toFormattedString(
     decimals: Int, roundingMode: RoundingMode = RoundingMode.DOWN, locale: Locale = Locale.US,
 ): String {
@@ -18,4 +19,51 @@ fun BigDecimal.toFormattedString(
         this.roundingMode = roundingMode
     }
     return df.format(this)
+}
+
+fun BigDecimal.toFiatString(
+    rateValue: BigDecimal,
+    fiatCurrencyName: String,
+    formatWithSpaces: Boolean = false
+): String {
+    val fiatValue = rateValue.multiply(this)
+    return fiatValue.toFormattedFiatValue(fiatCurrencyName, formatWithSpaces)
+}
+
+fun BigDecimal.toFormattedFiatValue(
+    fiatCurrencyName: String,
+    formatWithSpaces: Boolean = false
+): String {
+    val fiatValue = this.setScale(2, RoundingMode.HALF_UP)
+        .let { if (formatWithSpaces) it.formatWithSpaces() else it }
+    return " ${fiatValue}  $fiatCurrencyName"
+}
+
+fun BigDecimal.formatWithSpaces(): String {
+    val str = this.toString()
+    var integerStr = str.substringBefore('.')
+    val reminderStr = str.substringAfter('.')
+    val packets = arrayListOf<String>()
+
+    var index: Int = integerStr.length
+    while (0 < index) {
+        if (index <= 3) {
+            packets.add(integerStr)
+            break
+        }
+        index -= 3
+        packets.add(integerStr.substring(startIndex = index))
+        integerStr = integerStr.substring(startIndex = 0, endIndex = index)
+    }
+
+    return buildString {
+        packets.reversed().forEachIndexed { index, packet ->
+            append(packet)
+            if (index != packets.lastIndex) append(' ')
+        }
+        if (reminderStr.isNotBlank()) {
+            append('.')
+            append(reminderStr)
+        }
+    }
 }