Button.kt

sealed class ButtonSize() {
    object Small : ButtonSize()
    object Medium : ButtonSize()
    object Large : ButtonSize()
    object Huge : ButtonSize()
    data class Custom(
        val heightDpInt: Int,
        val color: Color,
        val textResId: Int
    ) : ButtonSize()
}

@Composable
fun RenderButton(
    buttonSize: ButtonSize,
    onButtonClick: () -> Unit
) {
    Button(
        modifier = Modifier
            .height(buttonSize.getButtonHeight())
            .fillMaxWidth(),
        onClick = onButtonClick,
        colors = ButtonDefaults.buttonColors(
            backgroundColor = buttonSize.getButtonColor(),
        ),
        content = {
            Text(text = stringResource(buttonSize.getButtonText()))
        }
    )
}

private fun ButtonSize.getButtonHeight(): Dp {
    return when (this) {
        ButtonSize.Small -> 16 // Code duplication
        ButtonSize.Medium -> 24 // Code duplication
        ButtonSize.Large -> 32 // Code duplication
        ButtonSize.Huge -> 40 // Code duplication
        is ButtonSize.Custom -> this.heightDpInt // Code duplication
    }
}

private fun ButtonSize.getButtonText(): Int {
    return when (this) {
        ButtonSize.Small -> R.string.small_button_text // Code duplication
        ButtonSize.Medium -> R.string.medium_button_text // Code duplication
        ButtonSize.Large -> R.string.large_button_text // Code duplication
        ButtonSize.Huge -> R.string.huge_button_text // Code duplication
        is ButtonSize.Custom -> this.textResId // Code duplication
    }
}

private fun ButtonSize.getButtonColor(): Color { 
  return when (this) {
        ButtonSize.Small -> Color.Red // Code duplication
        ButtonSize.Medium -> Color.Gray // Code duplication
        ButtonSize.Large -> Color.Green // Code duplication
        ButtonSize.Huge -> Color.Blue // Code duplication
        is ButtonSize.Custom -> this.color // Code duplication
    }
}