package app+
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+
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import scalatags.Text.all._+
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import scala.util.Random+
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+
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+
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object MinimalApplication extends cask.MainRoutes{+
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+
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  val bootstrap = "https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.css"+
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+
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  var x = Random.between(0, 7)+
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  var y = Random.between(0, 7) +
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  var z = Random.between(0, 7) +
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+
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  abstract class Answer+
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  case object No extends Answer+
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  case object Correct extends Answer+
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  case class Wrong(n: Int) extends Answer+
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+
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  var ans : Answer = No+
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  var cnt = 1+
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+
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  val heart = raw("❤️")+
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  val unicorn = raw("🦄")+
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+
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  var nms = List("Christiane", "Sebastian")+
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+
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  @cask.get("/")+
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  def hello() = +
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      doctype("html")(+
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      html(+
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        head(link(rel := "stylesheet", href := bootstrap)), +
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        body(+
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          div(cls := "container")( +
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            //h1(s"Hello ${nms((cnt / 3) % 2)}!"), +
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            h1(s"Hello Christiane"),  +
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            h1(s"$x + $y = ??"),  +
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	    ans match {+
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              case No => ""+
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              case Correct => i(color.green)("Correct!")+
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              case Wrong(n) => i(color.red)(s"$n is wrong!")+
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	    },+
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            form(action := "/", method := "post")(+
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	      frag(+
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		for (i <- 0 to 12) yield button(`type` := "submit", name := "name", value := i.toString)(i.toString)  +
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              )+
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            ),+
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            frag(+
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              for (i <- 0 until cnt) yield +
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                if ((i + 1) % 10 != 0) heart else unicorn+
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            )+
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          )+
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        )+
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      )+
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  )+
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+
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  @cask.postForm("/")+
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  def answer(name: String) = {+
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    if (x + y == name.toInt) {+
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      ans = Correct+
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      x = Random.between(0, 7)+
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      y = Random.between(0, 7)+
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      z = Random.between(0, 7)+
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      cnt = cnt + 1+
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    }+
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    else +
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      ans = Wrong(name.toInt)+
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    hello()+
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  }+
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+
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  initialize()+
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}+
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