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// Copyright 2018 The Alephium Authors
// This file is part of the alephium project.
//
// The library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the library. If not, see .

package org.alephium.api.model

import org.alephium.protocol.ALPH
import org.alephium.util.U256

final case class Amount(value: U256) {
  override def toString: String = value.toString
  lazy val hint: Amount.Hint    = Amount.Hint(value)
}

object Amount {
  // x.x ALPH format
  def from(string: String): Option[Amount] =
    ALPH.alphFromString(string).map(Amount(_))

  val Zero: Amount = Amount(U256.Zero)

  final case class Hint(value: U256)

  def toAlphString(value: U256): String = {
    val dec = new java.math.BigDecimal(value.v).divide(new java.math.BigDecimal(ALPH.oneAlph.v))
    s"${dec} ALPH"
  }
}