final val VersionUrl = "http://files.minecraftforge.net/maven/net/minecraftforge/forge/json"

import dispatch._
import Defaults._
import net.liftweb.json._

def service = url(VersionUrl)

def fetchLatestVersion() = {
  val request = Http(service OK as.String)
  for {
    result <- request
    json = parse(result)
    JInt(latestVersion) = json \ "promos" \ "latest"
    latest = json \ "number" \ latestVersion.toString
    JString(mcVersion) = latest \ "mcversion"
    JString(version) = latest \ "version"
    branch = latest \ "branch" match {
      case JString(b) => "-" + b
      case _ => ""
    }
  } yield s"$mcVersion-$version$branch"
}