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/*
 * Copyright 2014–2016 SlamData Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package quasar

import quasar.Predef._

import argonaut._, Argonaut._
import scalaz.Show

sealed trait PhaseResult {
  def name: String
}

object PhaseResult {
  final case class Tree(name: String, value: RenderedTree) extends PhaseResult {
    override def toString = name + "\n" + Show[RenderedTree].shows(value)
  }
  final case class Detail(name: String, value: String) extends PhaseResult {
    override def toString = name + "\n" + value
  }

  implicit def phaseResultRenderTree: RenderTree[PhaseResult] = new RenderTree[PhaseResult] {
    def render(v: PhaseResult) = v match {
      case Tree(name, value)   => NonTerminal(List("PhaseResult"), Some(name), List(value))
      case Detail(name, value) => NonTerminal(List("PhaseResult"), Some(name), List(Terminal(List("Detail"), Some(value))))
    }
  }

  implicit def phaseResultEncodeJson: EncodeJson[PhaseResult] = EncodeJson {
    case Tree(name, value)   => Json.obj("name" := name, "tree" := value)
    case Detail(name, value) => Json.obj("name" := name, "detail" := value)
  }
}