import ammonite.ops._

import mill._

import mill.define.{Input, Sources, Target}

import mill.scalajslib._

import mill.scalalib._

import mill.scalalib.publish._

import mill.util.Loose

val scalaJsVer = "0.6.25"

val scalaVer = "2.12.7"

val akkaVer = "2.4.20"

trait Common extends ScalaModule with PublishModule {

  val scalaVersion = scalaVer

  def publishVersion: Target[String] = appVersion

  def pomSettings = PomSettings(

    description = "Content management system for SQWL",

    organization = "net.tz",

    url = "http://kvalitapracovnihozivota.vubp.cz",

    licenses = Seq(License.`Apache-2.0`),

    versionControl = VersionControl(developerConnection = Some(

      "ssh://hg@bitbucket.org/tzeman/sqwl-cms")),

    developers = Seq(

      Developer("tzeman", "Tomas Zeman", "")

    )

  )

  override def artifactName = T{

    super.artifactName.map(_.flatMap(c =>

      if (c.isUpper) Seq('-', c.toLower) else Seq(c) ))

  }

  override def scalacOptions = T{Seq(

    "-deprecation",                      // Emit warning and location for usages of deprecated APIs.

    "-encoding", "utf-8",                // Specify character encoding used by source files.

    "-explaintypes",                     // Explain type errors in more detail.

    "-feature",                          // Emit warning and location for usages of features that should be imported explicitly.

    "-language:higherKinds",             // Allow higher-kinded types

    "-language:implicitConversions",     // Allow definition of implicit functions called views

    "-language:reflectiveCalls",

    "-language:postfixOps",

    "-unchecked",                        // Enable additional warnings where generated code depends on assumptions.

    "-Xcheckinit",                       // Wrap field accessors to throw an exception on uninitialized access.

    "-Xfuture",                          // Turn on future language features.

    "-target:jvm-1.8",

  )}

  def hgId: Input[String] = T.input {

    os.proc("hg", "id", "-i").call().out.string.trim

  }

  def hgNum: Input[String] = T.input {

    os.proc("hg", "id", "-n").call().out.string.trim

  }

  def hgTag: Input[Option[String]] = T.input {

    os.proc("hg", "id", "-t").call().out.string.trim.split(' ').headOption

  }

}

trait Versions {

  //val bootstrap = "4.1.3"

  val bootstrap = "3.3.7"

  val fontAwesome = "5.5.0"

  val jquery = "3.3.1-1"

}

object base extends Common with Versions {

  override def scalacPluginIvyDeps: Target[Loose.Agg[Dep]] =

    super.scalacPluginIvyDeps() ++ Agg(

      ivy"org.scalamacros:::paradise:2.1.0"

    )

  override def ivyDeps = Agg(

    ivy"com.wacai::config-annotation:0.3.6",

    ivy"de.heikoseeberger::akka-http-json4s:1.22.0",

    ivy"com.typesafe.akka::akka-slf4j:$akkaVer",

    ivy"org.json4s::json4s-native:3.6.2",

    ivy"ch.qos.logback:logback-classic:1.2.3",

    ivy"com.lihaoyi::scalatags:0.6.7",

    ivy"org.webjars:bootstrap:$bootstrap",

    ivy"org.webjars:font-awesome:$fontAwesome",

    ivy"org.webjars:jquery:$jquery",

    ivy"com.lihaoyi::scalatex-api:0.3.12"

  )

  override def scalacOptions = T{super.scalacOptions.map(_ :+

    "-Xmacro-settings:conf.output.dir=base/resources"

  )}

  override def generatedSources: Target[Seq[PathRef]] = T{

    val dir = T.ctx().dest

    write(dir / "buildInfo.scala",

      s"""

        | package sqwl.cms

        | object BuildInfo {

        |   object versions {

        |     val bootstrap = "$bootstrap"

        |     val fontAwesome = "$fontAwesome"

        |     val jquery = "$jquery"

        |   }

        |

        |   val hgId = "${hgId()}"

        | }

      """.stripMargin)

    Seq(PathRef(dir))

  }

}

trait Content extends Common {

  override def moduleDeps = Seq(base)

  def contentSources: Sources

  override def generatedSources: Target[Seq[PathRef]] = T{

    val dir = T.ctx().dest

    val src = contentSources() map(_.path)

    val ids = src flatMap(ls! _ filter(_.name endsWith ".scalatex") map { p =>

      val id = p.name replaceAllLiterally (".scalatex", "")

      val aid = s"article-$id"

      write(dir / s"$id.scala",

        s"""

          | package sqwl.cms

          | import scalatags.Text.all._

          | import scalatex._

          | import sqwl.cms.Category._

          | import sqwl.cms.Tag._

          | import sqwl.cms.Articles.article

          | object `$aid` {

          |   implicit val id = Articles.Id("$id")

          |   twf("${p.toString}")

          | }

          |

          |/*

          |${os.read(p).lines mkString "\n"}

          |*/

        """.stripMargin)

      aid

    })

    write(dir / "initializer.scala",

      s"""

        | package sqwl.cms

        | object InitializeContent {

        |   def apply(): Unit = {

        |     Seq(${ids mkString("`", "`, `", "`")})

        |   }

        | }

      """.stripMargin)

    write(dir / "main.scala",

      """

        | package sqwl.cms

        | object Main extends Server {

        |   override def content: iContent = Content

        | }

      """.stripMargin)

    Seq(PathRef(dir))

  }

  override def mainClass = Some("sqwl.cms.Main")

  override def ivyDeps = Agg(

    ivy"com.beachape::enumeratum:1.5.13"

  )

  def assemblyName: Target[String] = T{

    val tg = hgTag().map(v => s"-${v.replace(".patch", "")}") getOrElse ""

    val ver = publishVersion().replace("SNAPSHOT", s"${hgNum()}-${hgId()}$tg")

    s"cms-$ver"

  }

  override def assembly: Target[PathRef] = T{

    val out = T.ctx().dest / s"${assemblyName()}.jar"

    os.move(super.assembly().path, out)

    PathRef(out)

  }

}

object example extends Content {

  def contentSources: Sources =

    T.sources{ millSourcePath / up / 'example / 'content }

}

object production extends Content {

  def contentSources: Sources =

    T.sources{ millSourcePath / up / 'production / 'content }

  def hgProdId: Input[String] = T.input {

    os.proc("hg", "id", "-i", "--cwd", "production").call().out.string.trim

  }

  override def assemblyName: Target[String] = T{

    s"${super.assemblyName()}-${hgProdId()}"

  }

}

object js extends Common with ScalaJSModule {

  def scalaJSVersion: Target[String] = scalaJsVer

}

// vim: et ts=2 sw=2 syn=scala