dropdownmenu.scala

import levsha.Document.Node
import org.fomkin.berzin.data.EncryptedText
import org.fomkin.berzin.web.view.SvgSymbols

import scala.language.higherKinds

object dropDownMenu {

  import SvgSymbols._
  import levsha.dsl._
  import html._

  def apply[M, T](items: Seq[Item[T]],
                  itemClick: T => M = null): Node[M] = optimize {
    div(
      clazz := "drop-down-menu",
      div(`class` := "drop-down-menu_panel",
        items map {
          case dropDownMenu.Item.Nope => void
          case dropDownMenu.Item.Delimiter => hr()
          case dropDownMenu.Item.Header(v) => div(`class` := "drop-down-menu_item drop-down-menu_item__header", v)
          case dropDownMenu.Item.Plain(key, label, check) =>
            div(
              Option(itemClick).map(_(key)),
              `class` := "drop-down-menu_item drop-down-menu_item__active",
              check match {
                case Some(true) => span(`class` := "drop-down-menu_item_checkbox", "✓")
                case Some(false) => span(`class` := "drop-down-menu_item_checkbox")
                case None => void
              },
              label,
            )
        }
      )
    )
  }

  sealed trait Item[+T] extends Any

  object Item {
    final case class Plain[+T](key: T, label: Node[Nothing], check: Option[Boolean] = None) extends Item[T]
    final case class Header(label: String) extends Item[Nothing]
    case object Delimiter extends Item[Nothing]
    case object Nope extends Item[Nothing]
  }
}