import Util._
import Dependencies._
import Sxr.sxr

import com.typesafe.tools.mima.core._, ProblemFilters._
import com.typesafe.tools.mima.plugin.MimaKeys.{ binaryIssueFilters, previousArtifact}
import com.typesafe.tools.mima.plugin.MimaPlugin.mimaDefaultSettings

// ThisBuild settings take lower precedence,
// but can be shared across the multi projects.
def buildLevelSettings: Seq[Setting[_]] = inThisBuild(Seq(
  organization := "org.scala-sbt",
  version := "1.0.0-SNAPSHOT",
  bintrayOrganization := Some(if (publishStatus.value == "releases") "typesafe" else "sbt"),
  bintrayRepository := s"ivy-${publishStatus.value}",
  bintrayPackage := "sbt",
  bintrayReleaseOnPublish := false,
  resolvers += Resolver.mavenLocal
))

def commonSettings: Seq[Setting[_]] = Seq[SettingsDefinition](
  scalaVersion := scala211,
  publishArtifact in packageDoc := false,
  publishMavenStyle := false,
  componentID := None,
  resolvers += Resolver.typesafeIvyRepo("releases"),
  resolvers += Resolver.sonatypeRepo("snapshots"),
  resolvers += Resolver.bintrayRepo("sbt", "maven-releases"),
  concurrentRestrictions in Global += Util.testExclusiveRestriction,
  testOptions += Tests.Argument(TestFrameworks.ScalaCheck, "-w", "1"),
  javacOptions in compile ++= Seq("-target", "6", "-source", "6", "-Xlint", "-Xlint:-serial"),
  incOptions := incOptions.value.withNameHashing(true),
  crossScalaVersions := Seq(scala211),
  bintrayPackage := (bintrayPackage in ThisBuild).value,
  bintrayRepository := (bintrayRepository in ThisBuild).value,
  mimaDefaultSettings,
  previousArtifact := None, // Some(organization.value % moduleName.value % "1.0.0"),
  binaryIssueFilters ++= Seq(
  )
) flatMap (_.settings)

def minimalSettings: Seq[Setting[_]] =
  commonSettings ++ customCommands ++
  publishPomSettings ++ Release.javaVersionCheckSettings

def baseSettings: Seq[Setting[_]] =
  minimalSettings ++ Seq(projectComponent) ++ baseScalacOptions ++ Licensed.settings ++ Formatting.settings

def testedBaseSettings: Seq[Setting[_]] =
  baseSettings ++ testDependencies

lazy val sbtRoot: Project = (project in file(".")).
  enablePlugins(ScriptedPlugin).
  configs(Sxr.sxrConf).
  aggregate(nonRoots: _*).
  settings(
    buildLevelSettings,
    minimalSettings,
    rootSettings,
    publish := {},
    publishLocal := {}
  )

// This is used to configure an sbt-launcher for this version of sbt.
lazy val bundledLauncherProj =
  (project in file("launch")).
  settings(
    minimalSettings,
    inConfig(Compile)(Transform.configSettings),
    Release.launcherSettings(sbtLaunchJar)
  ).
  enablePlugins(SbtLauncherPlugin).
  settings(
    name := "sbt-launch",
    moduleName := "sbt-launch",
    description := "sbt application launcher",
    publishArtifact in packageSrc := false,
    autoScalaLibrary := false,
    crossPaths := false,
    publish := Release.deployLauncher.value,
    publishLauncher := Release.deployLauncher.value,
    packageBin in Compile := sbtLaunchJar.value
  )

/* ** subproject declarations ** */

/* **** Intermediate-level Modules **** */

// Runner for uniform test interface
lazy val testingProj = (project in file("testing")).
  dependsOn(testAgentProj).
  settings(
    baseSettings,
    name := "Testing",
    libraryDependencies ++= Seq(sbtIO, testInterface,launcherInterface, compilerClasspath, utilLogging)
  )

// Testing agent for running tests in a separate process.
lazy val testAgentProj = (project in file("testing") / "agent").
  settings(
    minimalSettings,
    name := "Test Agent",
    libraryDependencies += testInterface
  )

// Basic task engine
lazy val taskProj = (project in tasksPath).
  settings(
    testedBaseSettings,
    name := "Tasks",
    libraryDependencies ++= Seq(utilControl, utilCollection)
  )

// Standard task system.  This provides map, flatMap, join, and more on top of the basic task model.
lazy val stdTaskProj = (project in tasksPath / "standard").
  dependsOn (taskProj % "compile;test->test").
  settings(
    testedBaseSettings,
    name := "Task System",
    testExclusive,
    libraryDependencies ++= Seq(utilCollection, utilLogging, sbtIO)
  )

// Embedded Scala code runner
lazy val runProj = (project in file("run")).
  settings(
    testedBaseSettings,
    name := "Run",
    libraryDependencies ++= Seq(sbtIO,
      utilLogging, (utilLogging % Test).classifier("tests"), compilerClasspath)
  )

lazy val scriptedSbtProj = (project in scriptedPath / "sbt").
  dependsOn(commandProj).
  settings(
    baseSettings,
    name := "Scripted sbt",
    libraryDependencies ++= Seq(launcherInterface % "provided",
      sbtIO, utilLogging, compilerInterface, utilScripted)
  )

lazy val scriptedPluginProj = (project in scriptedPath / "plugin").
  dependsOn(sbtProj).
  settings(
    baseSettings,
    name := "Scripted Plugin",
    libraryDependencies ++= Seq(compilerClasspath)
  )

// Implementation and support code for defining actions.
lazy val actionsProj = (project in mainPath / "actions").
  dependsOn(runProj, stdTaskProj, taskProj, testingProj).
  settings(
    testedBaseSettings,
    name := "Actions",
    libraryDependencies ++= Seq(compilerClasspath, utilCompletion, compilerApiInfo,
      incrementalcompiler, compilerIvyIntegration, compilerInterface,
      sbtIO, utilLogging, utilRelation, libraryManagement, utilTracking)
  )

// General command support and core commands not specific to a build system
lazy val commandProj = (project in mainPath / "command").
  settings(
    testedBaseSettings,
    name := "Command",
    libraryDependencies ++= Seq(launcherInterface, compilerInterface,
      sbtIO, utilLogging, utilCompletion, compilerClasspath)
  )

// Fixes scope=Scope for Setting (core defined in collectionProj) to define the settings system used in build definitions
lazy val mainSettingsProj = (project in mainPath / "settings").
  dependsOn(commandProj, stdTaskProj).
  settings(
    testedBaseSettings,
    name := "Main Settings",
    libraryDependencies ++= Seq(sbinary, utilApplyMacro, compilerInterface, utilRelation,
      utilLogging, sbtIO, utilCompletion, compilerClasspath, libraryManagement)
  )

// The main integration project for sbt.  It brings all of the Projsystems together, configures them, and provides for overriding conventions.
lazy val mainProj = (project in mainPath).
  dependsOn(actionsProj, mainSettingsProj, runProj, commandProj).
  settings(
    testedBaseSettings,
    name := "Main",
    libraryDependencies ++= scalaXml.value ++ Seq(launcherInterface, compilerInterface,
      sbtIO, utilLogging, utilLogic, libraryManagement, incrementalcompilerCompile)
  )

// Strictly for bringing implicits and aliases from subsystems into the top-level sbt namespace through a single package object
//  technically, we need a dependency on all of mainProj's dependencies, but we don't do that since this is strictly an integration project
//  with the sole purpose of providing certain identifiers without qualification (with a package object)
lazy val sbtProj = (project in sbtPath).
  dependsOn(mainProj, scriptedSbtProj % "test->test").
  settings(
    baseSettings,
    name := "sbt",
    normalizedName := "sbt",
    libraryDependencies ++= Seq(compilerBrdige)
  )

def scriptedTask: Def.Initialize[InputTask[Unit]] = Def.inputTask {
  val result = scriptedSource(dir => (s: State) => Scripted.scriptedParser(dir)).parsed
  publishAll.value
  Scripted.doScripted((sbtLaunchJar in bundledLauncherProj).value, (fullClasspath in scriptedSbtProj in Test).value,
    (scalaInstance in scriptedSbtProj).value,
    scriptedSource.value, scriptedBufferLog.value, result, scriptedPrescripted.value)
}

def scriptedUnpublishedTask: Def.Initialize[InputTask[Unit]] = Def.inputTask {
  val result = scriptedSource(dir => (s: State) => Scripted.scriptedParser(dir)).parsed
  Scripted.doScripted((sbtLaunchJar in bundledLauncherProj).value, (fullClasspath in scriptedSbtProj in Test).value,
    (scalaInstance in scriptedSbtProj).value,
    scriptedSource.value, scriptedBufferLog.value, result, scriptedPrescripted.value)
}

lazy val publishLauncher = TaskKey[Unit]("publish-launcher")

lazy val myProvided = config("provided") intransitive

def allProjects = Seq(
  testingProj, testAgentProj, taskProj, stdTaskProj, runProj,
  scriptedSbtProj, scriptedPluginProj,
  actionsProj, commandProj, mainSettingsProj, mainProj, sbtProj, bundledLauncherProj)

def projectsWithMyProvided = allProjects.map(p => p.copy(configurations = (p.configurations.filter(_ != Provided)) :+ myProvided))
lazy val nonRoots = projectsWithMyProvided.map(p => LocalProject(p.id))

def rootSettings = fullDocSettings ++
  Util.publishPomSettings ++ otherRootSettings ++ Formatting.sbtFilesSettings ++
  Transform.conscriptSettings(bundledLauncherProj)
def otherRootSettings = Seq(
  scripted <<= scriptedTask,
  scriptedUnpublished <<= scriptedUnpublishedTask,
  scriptedSource := (sourceDirectory in sbtProj).value / "sbt-test",
  publishAll := {
    val _ = (publishLocal).all(ScopeFilter(inAnyProject)).value
  },
  aggregate in bintrayRelease := false
)
lazy val docProjects: ScopeFilter = ScopeFilter(
  inAnyProject -- inProjects(sbtRoot, sbtProj, scriptedSbtProj, scriptedPluginProj),
  inConfigurations(Compile)
)
def fullDocSettings = Util.baseScalacOptions ++ Docs.settings ++ Sxr.settings ++ Seq(
  scalacOptions += "-Ymacro-no-expand", // for both sxr and doc
  sources in sxr := {
    val allSources = (sources ?? Nil).all(docProjects).value
    allSources.flatten.distinct
  }, //sxr
  sources in (Compile, doc) := (sources in sxr).value, // doc
  Sxr.sourceDirectories := {
    val allSourceDirectories = (sourceDirectories ?? Nil).all(docProjects).value
    allSourceDirectories.flatten
  },
  fullClasspath in sxr := (externalDependencyClasspath in Compile in sbtProj).value,
  dependencyClasspath in (Compile, doc) := (fullClasspath in sxr).value
)

/* Nested Projproject paths */
def sbtPath    = file("sbt")
def tasksPath  = file("tasks")
def launchPath = file("launch")
def mainPath   = file("main")

lazy val safeUnitTests = taskKey[Unit]("Known working tests (for both 2.10 and 2.11)")
lazy val safeProjects: ScopeFilter = ScopeFilter(
  inProjects(mainSettingsProj, mainProj,
    actionsProj, runProj, stdTaskProj),
  inConfigurations(Test)
)
lazy val otherUnitTests = taskKey[Unit]("Unit test other projects")
lazy val otherProjects: ScopeFilter = ScopeFilter(
  inProjects(
    testingProj, testAgentProj, taskProj,
    scriptedSbtProj, scriptedPluginProj,
    commandProj, mainSettingsProj, mainProj,
    sbtProj),
  inConfigurations(Test)
)

def customCommands: Seq[Setting[_]] = Seq(
  commands += Command.command("setupBuildScala211") { state =>
    s"""set scalaVersion in ThisBuild := "$scala211" """ ::
      state
  },
  // This is invoked by Travis
  commands += Command.command("checkBuildScala211") { state =>
    s"++ $scala211" ::
      // First compile everything before attempting to test
      "all compile test:compile" ::
      // Now run known working tests.
      safeUnitTests.key.label ::
      state
  },
  safeUnitTests := {
    test.all(safeProjects).value
  },
  otherUnitTests := {
    test.all(otherProjects).value
  },
  commands += Command.command("release-sbt-local") { state =>
    "clean" ::
    "so compile" ::
    "so publishLocal" ::
    "reload" ::
    state
  },
  /** There are several complications with sbt's build.
   * First is the fact that interface project is a Java-only project
   * that uses source generator from datatype subproject in Scala 2.10.6.
   *
   * Second is the fact that all subprojects are released with crossPaths
   * turned off for the sbt's Scala version 2.10.6, but some of them are also
   * cross published against 2.11.1 with crossPaths turned on.
   *
   * `so compile` handles 2.10.x/2.11.x cross building.
   */
  commands += Command.command("release-sbt") { state =>
    // TODO - Any sort of validation
    "clean" ::
      "conscript-configs" ::
      "so compile" ::
      "so publishSigned" ::
      "bundledLauncherProj/publishLauncher" ::
      state
  },
  // stamp-version doesn't work with ++ or "so".
  commands += Command.command("release-nightly") { state =>
    "stamp-version" ::
      "clean" ::
      "compile" ::
      "publish" ::
      "bintrayRelease" ::
      state
  }
)