//设置package包名称以及导入依赖的类
package io.really.js

import javax.script.{ ScriptEngine, ScriptContext, Invocable, Bindings }

import _root_.io.really.jshooks.API
import jdk.nashorn.api.scripting.NashornScriptEngineFactory
import play.api.libs.json._
import scala.collection.JavaConverters
object JsTools {

  def translateJsonToJava(a: JsValue): java.lang.Object = {
    a match {
      case JsNull => null
      case JsString(a) => a.asInstanceOf[java.lang.String]
      case JsNumber(a) => a.toDouble.asInstanceOf[java.lang.Double]
      case JsArray(a) => a.map(translateJsonToJava)
      case JsBoolean(a) => a.asInstanceOf[java.lang.Boolean]
      case JsObject(a) => JavaConverters.mapAsJavaMapConverter(
        a.map { case (k: String, v: JsValue) => (k, translateJsonToJava(v)) }
      )
    }
  }
  val factory = new NashornScriptEngineFactory

  def injectSDK(b: Bindings): Unit = {
    b.put("cancel", API.cancel)
    b.put("print", API.print)
  }

  def getBindings(engine: ScriptEngine): Bindings = engine.getContext.getBindings(ScriptContext.ENGINE_SCOPE)
  def newEngine(): ScriptEngine = factory.getScriptEngine("-strict", "--no-java", "--no-syntax-extensions")

  def newEngineWithSDK(): ScriptEngine = {
    val engine = newEngine()
    injectSDK(getBindings(engine))
    engine
  }
}