/*
 * Copyright (C) 2009-2021 Lightbend Inc. <https://www.lightbend.com>
 */

package akka

import com.hpe.sbt.ValidatePullRequest
import com.hpe.sbt.ValidatePullRequest.PathGlobFilter
import com.lightbend.paradox.sbt.ParadoxPlugin
import com.lightbend.paradox.sbt.ParadoxPlugin.autoImport.paradox
import com.typesafe.tools.mima.plugin.MimaKeys.mimaReportBinaryIssues
import com.typesafe.tools.mima.plugin.MimaPlugin
import sbtunidoc.BaseUnidocPlugin.autoImport.unidoc
import sbt.Keys._
import sbt._

object AkkaValidatePullRequest extends AutoPlugin {

  object CliOptions {
    val mimaEnabled = CliOption("akka.mima.enabled", true)
  }

  import ValidatePullRequest.autoImport._

  override def trigger = allRequirements
  override def requires = ValidatePullRequest

  val ValidatePR = config("pr-validation").extend(Test)

  override lazy val projectConfigurations = Seq(ValidatePR)

  val additionalTasks = settingKey[Seq[TaskKey[_]]]("Additional tasks for pull request validation")

  override lazy val globalSettings = Seq(credentials ++= {
    // todo this should probably be supplied properly
    GitHub.envTokenOrThrow.map { token =>
      Credentials("GitHub API", "api.github.com", "", token)
    }
  }, additionalTasks := Seq.empty)

  override lazy val buildSettings = Seq(
    validatePullRequest / includeFilter := PathGlobFilter("akka-*/**"),
    validatePullRequestBuildAll / excludeFilter := PathGlobFilter("project/MiMa.scala"),
    prValidatorGithubRepository := Some("akka/akka"))

  override lazy val projectSettings = inConfig(ValidatePR)(Defaults.testTasks) ++ Seq(
      testOptions in ValidatePR += Tests.Argument(TestFrameworks.ScalaTest, "-l", "performance"),
      testOptions in ValidatePR += Tests.Argument(TestFrameworks.ScalaTest, "-l", "long-running"),
      testOptions in ValidatePR += Tests.Argument(TestFrameworks.ScalaTest, "-l", "timing"),
      // make it fork just like regular test running
      fork in ValidatePR := (fork in Test).value,
      testGrouping in ValidatePR := (testGrouping in Test).value,
      javaOptions in ValidatePR := (javaOptions in Test).value,
      prValidatorTasks := Seq(test in ValidatePR) ++ additionalTasks.value,
      prValidatorEnforcedBuildAllTasks := Seq(test in Test) ++ additionalTasks.value)
}

/**
 * This autoplugin adds Multi Jvm tests to validatePullRequest task.
 * It is needed, because ValidatePullRequest autoplugin does not depend on MultiNode and
 * therefore test:executeTests is not yet modified to include multi-jvm tests when ValidatePullRequest
 * build strategy is being determined.
 *
 * Making ValidatePullRequest depend on MultiNode is impossible, as then ValidatePullRequest
 * autoplugin would trigger only on projects which have both of these plugins enabled.
 */
object MultiNodeWithPrValidation extends AutoPlugin {
  import AkkaValidatePullRequest._
  import com.typesafe.sbt.MultiJvmPlugin.MultiJvmKeys.MultiJvm

  override def trigger = allRequirements
  override def requires = AkkaValidatePullRequest && MultiNode
  override lazy val projectSettings =
    if (MultiNode.multiNodeTestInTest) Seq(additionalTasks += MultiNode.multiTest)
    else Seq.empty
}

/**
 * This autoplugin adds MiMa binary issue reporting to validatePullRequest task,
 * when a project has MimaPlugin autoplugin enabled.
 */
object MimaWithPrValidation extends AutoPlugin {
  import AkkaValidatePullRequest._

  override def trigger = allRequirements
  override def requires = AkkaValidatePullRequest && MimaPlugin
  override lazy val projectSettings =
    CliOptions.mimaEnabled.ifTrue(additionalTasks += mimaReportBinaryIssues).toList
}

/**
 * This autoplugin adds Paradox doc generation to validatePullRequest task,
 * when a project has ParadoxPlugin autoplugin enabled.
 */
object ParadoxWithPrValidation extends AutoPlugin {
  import AkkaValidatePullRequest._

  override def trigger = allRequirements
  override def requires = AkkaValidatePullRequest && ParadoxPlugin
  override lazy val projectSettings = Seq(additionalTasks += paradox in Compile)
}

object UnidocWithPrValidation extends AutoPlugin {
  import AkkaValidatePullRequest._

  override def trigger = noTrigger
  override lazy val projectSettings = Seq(additionalTasks += unidoc in Compile)
}