package controllers

import play.api._
import play.api.mvc._

import play.api.libs.json._
import play.api.libs.iteratee._

import models._

import akka.actor._
import scala.concurrent.duration._

object Application extends Controller {

  /**
   * Just display the home page.
   */
  def index = Action { implicit request =>
    Ok(views.html.chatRoomNg())
  }

  /**
   * Display the chat room page.
   */
  def chatRoom(username: Option[String]) = Action { implicit request =>
    username.filterNot(_.isEmpty).map { username =>
      Ok(views.html.chatRoom(username))
    }.getOrElse {
      Redirect(routes.Application.index).flashing(
        "error" -> "Please choose a valid username."
      )
    }
  }

  def chatRoomJs(username: String) = Action { implicit request =>
    Ok(views.js.chatRoom(username))
  }

  /**
   * Handles the chat websocket.
   */
  def chat(username: String) = WebSocket.async[JsValue] { request  =>

    ChatRoom.join(username)

  }

  val routeCache = {
    import routes._
    val jsRoutesClass = classOf[routes.javascript]
    val controllers = jsRoutesClass.getFields().map(_.get(null))
    controllers.flatMap { controller =>
      controller.getClass().getDeclaredMethods().map { action =>
        action.invoke(controller).asInstanceOf[play.core.Router.JavascriptReverseRoute]
  }
      }
    }

  def javascriptRoutes = Action { implicit request =>
    Ok(Routes.javascriptRouter("jsRoutes")(routeCache:_*)).as("text/javascript")
  }

}