package outwatchapp

import outwatch._
import outwatch.dsl._

import cats.effect.ExitCode
import monix.bio._
import colibri.ext.monix._
import monix.reactive.Observable
import scala.concurrent.duration._
import cats.implicits._
import outwatch.router.AppRouter
import outwatch.router.dsl._
import sttp.client.impl.monix.FetchMonixBackend
import outwatch.reactive.handlers.monix._
import sttp.client._
import monix.{eval => me}
import nova.monadic_sfx.ui.components.todo.TodoListStore
import outwatchapp.implicits._
import monix.eval.Coeval
import nova.monadic_sfx.ui.components.todo.Todo

object OutwatchApp extends BIOApp {
  val counter2 = Observable.interval(1.second)
  val counter = div(
    "Hmm",
    button(
      onClick
        .useScan(0)(_ + 1)
        .handled(source => VDomModifier("Counter: ", source))
    )
  )

  implicit val backend = FetchMonixBackend()

  val handlerTask = Handler.createF[Task, String]("empty")

  def request(query: String) = basicRequest
    .get(
      uri"https://jsonplaceholder.typicode.com/todos/${query.toIntOption.getOrElse(0)}"
    )
    .send()
    .flatMap {
      _.body match {
        case Right(value) =>
          me.Task(println(value)) >>
            me.Task(value)
        case Left(error) =>
          me.Task(println(error)) >>
            me.Task(error)

      }
    }
  val component = Task.deferAction(implicit s =>
    for {
      handler <- handlerTask
      todoContent <- Handler.createF[Task, String]
      todoStore <- TodoListStore()
      res <- Task(
        div(
          // cls := "col-lg-8 bd-example",
          div(cls := "alert alert-danger", "Some Error Occured!"),
          div(
            form(
              h4(cls := "form-title", "User Finder"),
              div(
                cls := "form-group",
                label(
                  color := "hsla(0,0%,100%,0.8)",
                  forId := "httpInput",
                  "Enter an id: "
                ),
                input(
                  idAttr := "httpInput",
                  typ := "text",
                  cls := "form-control",
                  placeholder := "0",
                  onInput.value --> handler
                ),
                label(
                  color := "hsla(0,0%,100%,0.8)",
                  "Enter content for todo"
                ),
                small(cls := "form-text text-muted", "default is 0")
              ),
              div(
                cls := "form-group",
                input(
                  cls := "form-control",
                  onInput.value --> todoContent
                ),
                button(
                  cls := "btn",
                  cls := "btn-info form-control",
                  "Add Todo",
                  onClick.preventDefault(
                    todoContent.map(TodoListStore.Add)
                  ) --> todoStore.sink
                )
              )
            )
          ),
          div(
            p(
              cls := "profile-description",
              handler
                .doOnNext(str => me.Task(println(str)))
                .mapEval(request)
                .map(div(_)),
              div(
                "Todos: ",
                todoStore.doOnNextF { case (a, s) => Coeval(println(s)) }.map {
                  case (a, s) => div(renderTodos(s.todos))
                }
              )
            )
          )
        )
      )
    } yield res
  )

  def renderTodos(todos: Seq[Todo]) = div(
    ul(
      todos.map(todo => li(div(s"id: ${todo.id} content: ${todo.content}")))
    )
  )

  sealed trait Page
  case object Home extends Page
  case object SomePage extends Page
  case class UserHome(id: Int) extends Page
  case object NotFound extends Page

  val router = AppRouter.create[Task, Page](NotFound) {
    case Root                       => Home
    case Root / "user" / IntVar(id) => UserHome(id)
    case Root / "some-page"         => SomePage
  }
  val counterComponent =
    Task.deferAction(implicit s =>
      Task(div(p(cls := "profile-description", "count: ", counter2)))
    )

  def resolver: PartialFunction[Page, VDomModifier] = {
    case Home =>
      div(
        div(cls := "title", "Home"),
        div(
          cls := "card",
          div(
            cls := "card-body",
            counterComponent,
            p(
              cls := "profile-description",
              div(
                "hm",
                htmlTag("blockQuote")(
                  cls := "blockquote",
                  p(
                    cls := "mb-0",
                    "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer posuere erat a ante."
                  ),
                  footer(
                    cls := "blockquote-footer",
                    "Someone famous in ",
                    cite(title := "Source Title", "Source Title")
                  )
                )
              )
            )
          )
        )
      )
    case SomePage =>
      div(div(cls := "title", "SomePage"), component, div(cls := "slider"))
    case UserHome(id) => div(div(cls := "title", "UserHome"), s"User id: $id")
    case NotFound =>
      div(
        div(cls := "title", "NotFound"),
        p(cls := "profile-description", "notfound")
      )
  }

  def run(args: List[String]): UIO[ExitCode] = {
// div(h1("Hello World"), counterComponent, Task(1))
    import org.scalajs.dom.document
    val el =
      document.createElement("div")
    el.setAttribute("id", "#app")
    document.body.appendChild(el)

    router.store
      .flatMap(implicit store =>
        OutWatch
          .renderInto(
            el,
            div(
              htmlTag("nav")(
                cls := "navbar navbar-expand-lg bg-primary ",
                attr("color-on-scroll") := "100",
                div(
                  cls := "container",
                  div(
                    cls := "navbar-translate",
                    a(
                      cls := "navbar-brand",
                      href := "https://demos.creative-tim.com/blk-design-system/index.html",
                      rel := "tooltip",
                      title := "",
                      attr("data-placement") := "bottom",
                      target := "_blank",
                      div("OutwatchApp")
                    ),
                    button(
                      cls := "navbar-toggler navbar-toggler toggled collapsed",
                      attr("data-toggle") := "collapse",
                      attr("data-target") := "#navigation",
                      attr("aria-controls") := "navigation-index",
                      attr("aria-expanded") := "false",
                      attr("aria-label") := "Toggle navigation",
                      div(cls := "navbar-toggler-bar bar1"),
                      div(cls := "navbar-toggler-bar bar2"),
                      div(cls := "navbar-toggler-bar bar3")
                    )
                  ),
                  div(
                    cls := "navbar-collapse justify-content-end collapse",
                    idAttr := "navigation",
                    div(
                      cls := "navbar-collapse-header",
                      div(
                        cls := "row",
                        div(
                          cls := "col-6 collapse-brand",
                          a("BLK•")
                        ),
                        div(
                          cls := "col-6 collapse-close text-right",
                          button(
                            `type` := "button",
                            cls := "navbar-toggler collapsed",
                            attr("data-toggle") := "collapse",
                            attr("data-target") := "#navigation",
                            attr("aria-controls") := "navigation-index",
                            attr("aria-expanded") := "false",
                            attr("aria-label") := "Toggle navigation",
                            i(cls := "tim-icons icon-simple-remove")
                          )
                        )
                      )
                    ),
                    ul(
                      cls := "navbar-nav",
                      li(
                        cls := "nav-item active",
                        router.link("/")(
                          cls := "nav-link",
                          "Home",
                          div(cls := "sr-only", "(current)")
                        )
                      ),
                      li(
                        cls := "nav-item",
                        router
                          .link("/some-page")(cls := "nav-link", "SomePage")
                      ),
                      li(
                        cls := "nav-item",
                        router.link("/user/1")(cls := "nav-link", "User Home")
                      ),
                      li(
                        cls := "nav-item",
                        router.link("/todomvc")(cls := "nav-link", "TodoMvc")
                      )
                    )
                  )
                )
              ),
              div(
                cls := "container",
                router.render(resolver),
                router.watch()
              )
            )
          )
      )
      .onErrorHandle(ex => UIO(ex.printStackTrace()))
      .as(ExitCode.Success)
  }
}