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/*
 * Copyright (c) 2002-2016 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package org.neo4j.cypher

object CypherOption {
  val DEFAULT: String = "default"

  def asCanonicalName(name: String) = name.toLowerCase
}

abstract class CypherOption(inputName: String) {
  val name = CypherOption.asCanonicalName(inputName)

  def toTextOutput = name
}

trait CypherOptionCompanion[O <: CypherOption] {
  self: Product =>

  def default: O
  def all: Set[O]

  def apply(name: String) = findByExactName(CypherOption.asCanonicalName(name)).getOrElse {
    throw new SyntaxException(s"Supported ${self.productPrefix} values are: ${all.map(_.name).mkString(", ")}")
  }

  private def findByExactName(name: String) = if (CypherOption.DEFAULT == name)
    Some(default)
  else
    all.find( _.name == name )
}