package com.drivergrp.core

import com.drivergrp.core.auth._
import akka.http.scaladsl.testkit.ScalatestRouteTest
import akka.http.scaladsl.server._
import Directives._
import akka.http.scaladsl.model.headers.{HttpChallenges, RawHeader}
import akka.http.scaladsl.server.AuthenticationFailedRejection.CredentialsRejected
import org.scalatest.mock.MockitoSugar
import org.scalatest.{FlatSpec, Matchers}

import scala.concurrent.Future
import scalaz.OptionT

class AuthTest extends FlatSpec with Matchers with MockitoSugar with ScalatestRouteTest {

  val authStatusService: AuthService[User] = new AuthService[User] {
    override def authStatus(authToken: AuthToken): OptionT[Future, User] = OptionT.optionT[Future] {
      Future.successful(Some(new User() {
        override def id: Id[User]     = Id[User](1L)
        override def roles: Set[Role] = Set(PathologistRole)
      }))
    }
  }

  import authStatusService._

  "'authorize' directive" should "throw error is auth token is not in the request" in {

    Get("/naive/attempt") ~>
    authorize(CanSignOutReport) {
      case (authToken, user) =>
        complete("Never going to be here")
    } ~>
    check {
      handled shouldBe false
      rejections should contain(MissingHeaderRejection("WWW-Authenticate"))
    }
  }

  it should "throw error is authorized user is not having the requested permission" in {

    val referenceAuthToken = AuthToken(Base64("I am a pathologist's token"))

    Post("/administration/attempt").addHeader(
        RawHeader(AuthService.AuthenticationTokenHeader, referenceAuthToken.value.value)
    ) ~>
    authorize(CanAssignRoles) {
      case (authToken, user) =>
        complete("Never going to get here")
    } ~>
    check {
      handled shouldBe false
      rejections should contain(
          AuthenticationFailedRejection(
              CredentialsRejected,
              HttpChallenges.basic("User does not have the required permission CanAssignRoles")))
    }
  }

  it should "pass and retrieve the token to client code, if token is in request and user has permission" in {

    val referenceAuthToken = AuthToken(Base64("I am token"))

    Get("/valid/attempt/?a=2&b=5").addHeader(
        RawHeader(AuthService.AuthenticationTokenHeader, referenceAuthToken.value.value)
    ) ~>
    authorize(CanSignOutReport) {
      case (authToken, user) =>
        complete("Alright, \"" + authToken.value.value + "\" is handled")
    } ~>
    check {
      handled shouldBe true
      responseAs[String] shouldBe "Alright, \"I am token\" is handled"
    }
  }
}