/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License
 */

import scala.util.Properties

// Version settings
version in ThisBuild := Properties.envOrElse("VERSION", "0.0.0-dev") +
  (if ((isSnapshot in ThisBuild).value) "-SNAPSHOT" else "")
isSnapshot in ThisBuild := Properties.envOrElse("IS_SNAPSHOT","true").toBoolean
organization in ThisBuild := "org.apache.toree.kernel"
crossScalaVersions in ThisBuild := Seq("2.11.8")
scalaVersion in ThisBuild := (crossScalaVersions in ThisBuild).value.head
Dependencies.sparkVersion in ThisBuild := {
  val envVar = "APACHE_SPARK_VERSION"
  val defaultVersion = "2.0.0"

  Properties.envOrNone(envVar) match {
    case None =>
      sLog.value.info(s"Using default Apache Spark version $defaultVersion!")
      defaultVersion
    case Some(version) =>
      sLog.value.info(s"Using Apache Spark version $version, provided from $envVar")
      version
  }
}

// Compiler settings
scalacOptions in ThisBuild ++= Seq(
  "-deprecation",
  "-unchecked",
  "-feature",
  "-Xfatal-warnings",
  "-language:reflectiveCalls",
  "-target:jvm-1.6",
  "-Xlint" // Scala 2.11.x only
)
// Java-based options for compilation (all tasks)
// NOTE: Providing a blank flag causes failures, only uncomment with options
//javacOptions in Compile ++= Seq(""),
// Java-based options for just the compile task
javacOptions in ThisBuild ++= Seq(
  "-Xlint:all",   // Enable all Java-based warnings
  "-Xlint:-path", // Suppress path warnings since we get tons of them
  "-Xlint:-options",
  "-Xlint:-processing",
  "-Werror",       // Treat warnings as errors
  "-source", "1.6",
  "-target", "1.6"
)
// Options provided to forked JVMs through sbt, based on our .jvmopts file
javaOptions in ThisBuild ++= Seq(
  "-Xms1024M", "-Xmx4096M", "-Xss2m", "-XX:MaxPermSize=1024M",
  "-XX:ReservedCodeCacheSize=256M", "-XX:+TieredCompilation",
  "-XX:+CMSPermGenSweepingEnabled", "-XX:+CMSClassUnloadingEnabled",
  "-XX:+UseConcMarkSweepGC", "-XX:+HeapDumpOnOutOfMemoryError"
)
// Add additional test option to show time taken per test
testOptions in (ThisBuild, Test) += Tests.Argument("-oDF")

// Build-wide dependencies
resolvers in ThisBuild  ++= Seq(
  "Apache Snapshots" at "http://repository.apache.org/snapshots/",
  "Typesafe repository" at "http://repo.typesafe.com/typesafe/releases/",
  "Jitpack" at "https://jitpack.io",
  "bintray-sbt-plugins" at "http://dl.bintray.com/sbt/sbt-plugin-releases"
)
updateOptions in ThisBuild := updateOptions.value.withCachedResolution(true)
libraryDependencies in ThisBuild ++= Seq(
  Dependencies.scalaTest % "test",
  Dependencies.mockito % "test",
  Dependencies.jacksonDatabind % "test"
)

// Publish settings
useGpg in ThisBuild := true
pgpPassphrase in ThisBuild := Some(Properties.envOrElse("GPG_PASSWORD","").toArray)
publishTo in ThisBuild := {
  if (isSnapshot.value)
    Some("Apache Staging Repo" at "https://repository.apache.org/content/repositories/snapshots/")
  else
    Some("Apache Staging Repo" at "https://repository.apache.org/content/repositories/staging/")
}
mappings in packageBin in ThisBuild := Seq(
  file("LICENSE") -> "LICENSE",
  file("NOTICE") -> "NOTICE"
)
licenses in ThisBuild := Seq("Apache 2" -> url("http://www.apache.org/licenses/LICENSE-2.0.txt"))
pomExtra in ThisBuild := {
  <parent>
    <groupId>org.apache</groupId>
    <artifactId>apache</artifactId>
    <version>10</version>
  </parent>
  <url>http://toree.incubator.apache.org/</url>
  <scm>
    <url>git@github.com:apache/incubator-toree.git</url>
    <connection>scm:git:git@github.com:apache/incubator-toree.git</connection>
    <developerConnection>
      scm:git:https://git-wip-us.apache.org/repos/asf/incubator-toree.git
    </developerConnection>
    <tag>HEAD</tag>
  </scm>
}
credentials in ThisBuild+= Credentials(Path.userHome / ".ivy2" / ".credentials")

// Project structure

/** Root Toree project. */
lazy val root = (project in file("."))
  .settings(name := "toree")
  .aggregate(
    macros,protocol,plugins,communication,kernelApi,client,scalaInterpreter,sqlInterpreter,pysparkInterpreter,sparkrInterpreter,kernel
  )
  .dependsOn(
    macros,protocol,communication,kernelApi,client,scalaInterpreter,sqlInterpreter,pysparkInterpreter,sparkrInterpreter,kernel
  )

/**
  * Project representing macros in Scala that must be compiled separately from
  * any other project using them.
  */
lazy val macros = (project in file("macros"))
  .settings(name := "toree-macros")

/**
  * Project representing the IPython kernel message protocol in Scala. Used
  * by the client and kernel implementations.
  */
lazy val protocol = (project in file("protocol"))
  .settings(name := "toree-protocol")
  .dependsOn(macros)

/**
  * Project representing base plugin system for the Toree infrastructure.
  */
lazy val plugins = (project in file("plugins"))
  .settings(name := "toree-plugins")
  .dependsOn(macros)

/**
  * Project representing forms of communication used as input/output for the
  * client/kernel.
  */
lazy val communication = (project in file("communication"))
  .settings(name := "toree-communication")
  .dependsOn(macros, protocol)

/**
* Project representing the kernel-api code used by the Spark Kernel. Others can
* import this to implement their own magics and plugins.
*/
lazy val kernelApi = (project in file("kernel-api"))
  .settings(name := "toree-kernel-api")
  .dependsOn(macros, plugins)

/**
* Project representing the client code for connecting to the kernel backend.
*/
lazy val client = (project in file("client"))
  .settings(name := "toree-client")
  .dependsOn(macros, protocol, communication)

/**
* Project represents the scala interpreter used by the Spark Kernel.
*/
lazy val scalaInterpreter = (project in file("scala-interpreter"))
  .settings(name := "toree-scala-interpreter")
  .dependsOn(plugins, protocol, kernelApi)

/**
* Project represents the SQL interpreter used by the Spark Kernel.
*/
lazy val sqlInterpreter = (project in file("sql-interpreter"))
  .settings(name := "toree-sql-interpreter")
  .dependsOn(plugins, protocol, kernelApi)

/**
* Project represents the Python interpreter used by the Spark Kernel.
*/
lazy val pysparkInterpreter = (project in file("pyspark-interpreter"))
  .settings(name := "toree-pyspark-interpreter")
  .dependsOn(plugins, protocol, kernelApi)

/**
* Project represents the R interpreter used by the Spark Kernel.
*/
lazy val sparkrInterpreter = (project in file("sparkr-interpreter"))
  .settings(name := "toree-sparkr-interpreter")
  .dependsOn(plugins, protocol, kernelApi)

/**
* Project representing the kernel code for the Spark Kernel backend.
*/
lazy val kernel = (project in file("kernel"))
  .settings(name := "toree-kernel")
  .dependsOn(
    macros % "test->test;compile->compile",
    protocol % "test->test;compile->compile",
    communication % "test->test;compile->compile",
    kernelApi % "test->test;compile->compile",
    pysparkInterpreter % "test->test;compile->compile",
    scalaInterpreter % "test->test;compile->compile",
    sparkrInterpreter % "test->test;compile->compile",
    sqlInterpreter % "test->test;compile->compile"
  )

// Root project settings
enablePlugins(ScalaUnidocPlugin)
scalacOptions in (ScalaUnidoc, unidoc) ++= Seq(
  "-Ymacro-expand:none",
  "-skip-packages", Seq(
    "akka",
    "scala"
  ).mkString(":"),
  "-no-link-warnings" // Suppresses problems with Scaladoc @throws links
)

libraryDependencies ++= Dependencies.sparkAll.value
unmanagedResourceDirectories in Compile += { baseDirectory.value / "dist/toree-legal" }

assemblyShadeRules in assembly := Seq(
  ShadeRule.rename("org.clapper.classutil.**" -> "shadeclapper.@0").inAll,
  ShadeRule.rename("org.objectweb.asm.**" -> "shadeasm.@0").inAll
)

test in assembly := {}
assemblyOption in assembly := (assemblyOption in assembly).value.copy(includeScala = false)
aggregate in assembly := false