build.sbt

import com.github.eikek.sbt.openapi._
import scala.sys.process._
import com.github.sbt.git.SbtGit.GitKeys._

val elmCompileMode = settingKey[ElmCompileMode]("How to compile elm sources")
val elmCompileSkip = settingKey[Boolean]("Whether to skip compiling elm files")
val webjarSkip = settingKey[Boolean]("Skip copying webjar files")

val scalafixSettings = Seq(
  semanticdbEnabled := true, // enable SemanticDB
  semanticdbVersion := scalafixSemanticdb.revision, // "4.4.0"
  ThisBuild / scalafixDependencies ++= Dependencies.organizeImports
)

val sharedSettings = Seq(
  organization := "com.github.eikek",
  scalaVersion := "2.13.12",
  scalacOptions ++= Seq(
    "-deprecation",
    "-encoding",
    "UTF-8",
    "-language:higherKinds",
    "-feature",
    "-Werror", // fail when there are warnings
    "-unchecked",
    // remove -byname-implicit, once https://github.com/scala/bug/issues/12072 is resolved
    "-Xlint:-byname-implicit,_",
    "-Wdead-code",
    "-Wunused",
    "-Wvalue-discard",
    "-Wnumeric-widen"
  ),
  Compile / console / scalacOptions := Seq(),
  Test / console / scalacOptions := Seq()
) ++ scalafixSettings

val testSettingsMUnit = Seq(
  libraryDependencies ++= Dependencies.munit.map(_ % Test),
  testFrameworks += TestFrameworks.MUnit
)

val elmSettings = Seq(
  elmCompileSkip := false,
  elmCompileMode := ElmCompileMode.Debug,
  Compile / resourceGenerators += Def.task {
    val logger = streams.value.log
    val skip = elmCompileSkip.value
    if (skip) Seq.empty
    else
      compileElm(
        logger,
        (Compile / baseDirectory).value,
        (Compile / resourceManaged).value,
        name.value,
        version.value,
        elmCompileMode.value
      )
  }.taskValue,
  watchSources += Watched.WatchSource(
    (Compile / sourceDirectory).value / "elm",
    FileFilter.globFilter("*.elm"),
    HiddenFileFilter
  )
)

val stylesSettings = Seq(
  stylesMode := StylesMode.Dev,
  Compile / resourceGenerators += stylesBuild.taskValue
)

val webjarSettings = Seq(
  webjarSkip := false,
  Compile / resourceGenerators += Def.task {
    val logger = streams.value.log
    val skip = webjarSkip.value
    if (skip) Seq.empty
    else
      copyWebjarResources(
        Seq((Compile / sourceDirectory).value / "webjar"),
        (Compile / resourceManaged).value,
        name.value,
        version.value,
        logger
      )
  }.taskValue,
  watchSources += Watched.WatchSource(
    (Compile / sourceDirectory).value / "webjar",
    FileFilter.globFilter("*.js") || FileFilter.globFilter("*.css"),
    HiddenFileFilter
  )
)

val debianSettings = Seq(
  maintainer := "Eike Kettner <eike.kettner@posteo.de>",
  packageSummary := description.value,
  packageDescription := description.value,
  Universal / mappings += {
    val conf = (Compile / resourceDirectory).value / "reference.conf"
    if (!conf.exists)
      sys.error(s"File $conf not found")
    conf -> "conf/sharry.conf"
  },
  bashScriptExtraDefines += """addJava "-Dconfig.file=${app_home}/../conf/sharry.conf""""
)

val buildInfoSettings = Seq(
  buildInfoKeys := Seq[BuildInfoKey](
    name,
    version,
    scalaVersion,
    sbtVersion,
    gitHeadCommit,
    gitHeadCommitDate,
    gitUncommittedChanges,
    gitDescribedVersion
  ),
  buildInfoOptions += BuildInfoOption.ToJson,
  buildInfoOptions += BuildInfoOption.BuildTime
)

val loggingApi = project
  .in(file("modules/logging/api"))
  .disablePlugins(RevolverPlugin)
  .settings(sharedSettings)
  .settings(testSettingsMUnit)
  .settings(
    name := "sharry-logging-api",
    addCompilerPlugin(Dependencies.kindProjectorPlugin),
    libraryDependencies ++=
      Dependencies.circeCore ++
        Dependencies.fs2 ++
        Dependencies.sourcecode
  )

val common = project
  .in(file("modules/common"))
  .disablePlugins(RevolverPlugin)
  .settings(sharedSettings)
  .settings(testSettingsMUnit)
  .settings(
    name := "sharry-common",
    libraryDependencies ++=
      Dependencies.fs2 ++
        Dependencies.fs2io ++
        Dependencies.circe ++
        Dependencies.pureconfig
  )

val loggingScribe = project
  .in(file("modules/logging/scribe"))
  .disablePlugins(RevolverPlugin)
  .settings(sharedSettings)
  .settings(testSettingsMUnit)
  .settings(
    name := "sharry-logging-scribe",
    addCompilerPlugin(Dependencies.kindProjectorPlugin),
    libraryDependencies ++=
      Dependencies.scribe ++
        Dependencies.circeCore ++
        Dependencies.fs2
  )
  .dependsOn(loggingApi)

val store = project
  .in(file("modules/store"))
  .disablePlugins(RevolverPlugin)
  .settings(sharedSettings)
  .settings(testSettingsMUnit)
  .settings(
    name := "sharry-store",
    libraryDependencies ++=
      Dependencies.doobie ++
        Dependencies.binny ++
        Dependencies.tika ++
        Dependencies.fs2 ++
        Dependencies.databases ++
        Dependencies.flyway
  )
  .dependsOn(common, loggingScribe)

val restapi = project
  .in(file("modules/restapi"))
  .disablePlugins(RevolverPlugin)
  .enablePlugins(OpenApiSchema)
  .settings(sharedSettings)
  .settings(testSettingsMUnit)
  .settings(
    name := "sharry-restapi",
    libraryDependencies ++=
      Dependencies.circe,
    openapiTargetLanguage := Language.Scala,
    openapiPackage := Pkg("sharry.restapi.model"),
    openapiSpec := (Compile / resourceDirectory).value / "sharry-openapi.yml",
    openapiStaticGen := OpenApiDocGenerator.Redoc,
    openapiScalaConfig := ScalaConfig()
      .withJson(ScalaJson.circeSemiauto)
      .addMapping(CustomMapping.forType { case TypeDef("LocalDateTime", _) =>
        TypeDef("Timestamp", Imports("sharry.common.Timestamp"))
      })
      .addMapping(CustomMapping.forFormatType {
        case "ident" =>
          field => field.copy(typeDef = TypeDef("Ident", Imports("sharry.common.Ident")))
        case "accountstate" =>
          field =>
            field.copy(typeDef =
              TypeDef("AccountState", Imports("sharry.common.AccountState"))
            )
        case "accountsource" =>
          field =>
            field.copy(typeDef =
              TypeDef("AccountSource", Imports("sharry.common.AccountSource"))
            )
        case "password" =>
          field =>
            field.copy(typeDef = TypeDef("Password", Imports("sharry.common.Password")))
        case "signupmode" =>
          field =>
            field
              .copy(typeDef = TypeDef("SignupMode", Imports("sharry.common.SignupMode")))
        case "uri" =>
          field =>
            field
              .copy(typeDef = TypeDef("LenientUri", Imports("sharry.common.LenientUri")))
        case "duration" =>
          field =>
            field.copy(typeDef = TypeDef("Duration", Imports("sharry.common.Duration")))
        case "size" =>
          field =>
            field.copy(typeDef = TypeDef("ByteSize", Imports("sharry.common.ByteSize")))
      })
  )
  .dependsOn(common)

val backend = project
  .in(file("modules/backend"))
  .disablePlugins(RevolverPlugin)
  .settings(sharedSettings)
  .settings(testSettingsMUnit)
  .settings(
    name := "sharry-backend",
    libraryDependencies ++=
      Dependencies.fs2 ++
        Dependencies.bcrypt ++
        Dependencies.yamusca ++
        Dependencies.emil
  )
  .dependsOn(common, store % "compile->compile;test->test")

val webapp = project
  .in(file("modules/webapp"))
  .disablePlugins(RevolverPlugin)
  .enablePlugins(OpenApiSchema, StylesPlugin)
  .settings(sharedSettings)
  .settings(elmSettings)
  .settings(webjarSettings)
  .settings(stylesSettings)
  .settings(
    name := "sharry-webapp",
    openapiTargetLanguage := Language.Elm,
    openapiPackage := Pkg("Api.Model"),
    openapiSpec := (restapi / Compile / resourceDirectory).value / "sharry-openapi.yml",
    openapiElmConfig := ElmConfig().withJson(ElmJson.decodePipeline)
  )

val restserver = project
  .in(file("modules/restserver"))
  .enablePlugins(
    BuildInfoPlugin,
    JavaServerAppPackaging,
    DebianPlugin,
    SystemdPlugin,
    ClasspathJarPlugin
  )
  .settings(sharedSettings)
  .settings(testSettingsMUnit)
  .settings(debianSettings)
  .settings(buildInfoSettings)
  .settings(
    name := "sharry-restserver",
    libraryDependencies ++=
      Dependencies.http4s ++
        Dependencies.http4sclient ++
        Dependencies.circe ++
        Dependencies.pureconfig ++
        Dependencies.yamusca ++
        Dependencies.webjars,
    addCompilerPlugin(Dependencies.kindProjectorPlugin),
    addCompilerPlugin(Dependencies.betterMonadicFor),
    buildInfoPackage := "sharry.restserver",
    reStart / javaOptions ++=
      Seq(
        s"-Dconfig.file=${(LocalRootProject / baseDirectory).value / "local" / "dev.conf"}",
        "-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005",
        "-Xmx512M"
      ),
    Compile / resourceGenerators += Def.task {
      copyWebjarResources(
        Seq((restapi / Compile / resourceDirectory).value / "sharry-openapi.yml"),
        (Compile / resourceManaged).value,
        name.value,
        version.value,
        streams.value.log
      )
    }.taskValue,
    Compile / sourceGenerators += Def.task {
      createWebjarSource(Dependencies.webjars, (Compile / sourceManaged).value)
    }.taskValue,
    Compile / unmanagedResourceDirectories ++= Seq(
      (Compile / resourceDirectory).value.getParentFile / "templates"
    )
  )
  .dependsOn(restapi, backend, webapp, loggingScribe)

lazy val microsite = project
  .in(file("modules/microsite"))
  .enablePlugins(MicrositesPlugin)
  .disablePlugins(ReleasePlugin, RevolverPlugin)
  .settings(sharedSettings)
  .settings(
    name := "sharry-microsite",
    publishArtifact := false,
    publish / skip := true,
    micrositeFooterText := Some(
      """
        |<p>&copy; 2021 <a href="https://eikek.github.io/sharry">Sharry, v{{site.version}}</a></p>
        |""".stripMargin
    ),
    micrositeName := "Sharry",
    micrositeDescription := "Sharry – Share files conveniently",
    micrositeDocumentationUrl := "/sharry/doc",
    micrositeFavicons := Seq(microsites.MicrositeFavicon("favicon-32x32.png", "32x32")),
    micrositeBaseUrl := "/sharry",
    micrositeAuthor := "eikek",
    micrositeGithubOwner := "eikek",
    micrositeGithubRepo := "sharry",
    micrositeGithubToken := sys.env.get("GITHUB_TOKEN"),
    micrositePushSiteWith := GitHub4s,
    micrositeGitterChannel := false,
    micrositeShareOnSocial := false,
    micrositePalette := Map(
      "brand-primary" -> "#7a1800",
      "brand-secondary" -> "#009ADA",
      "white-color" -> "#FFFFFF"
    ),
    run / fork := true,
    mdocVariables := Map(
      "VERSION" -> version.value,
      "PVERSION" -> version.value.replace('.', '_')
    ),
    Compile / resourceGenerators += Def.task {
      val conf1 = (restserver / Compile / resourceDirectory).value / "reference.conf"
      val out1 = resourceManaged.value / "main" / "jekyll" / "_includes" / "server.conf"
      streams.value.log.info(s"Copying reference.conf: $conf1 -> $out1")
      IO.write(out1, "{% raw %}\n")
      IO.append(out1, IO.readBytes(conf1))
      IO.write(out1, "\n{% endraw %}", append = true)
      val oa1 = (restapi / Compile / resourceDirectory).value / "sharry-openapi.yml"
      val oaout =
        resourceManaged.value / "main" / "jekyll" / "openapi" / "sharry-openapi.yml"
      IO.copy(Seq(oa1 -> oaout))
      Seq(out1, oaout)
    }.taskValue,
    Compile / resourceGenerators += Def.task {
      val staticDoc = (restapi / Compile / openapiStaticDoc).value
      val target =
        resourceManaged.value / "main" / "jekyll" / "openapi" / "sharry-openapi.html"
      streams.value.log.info(s"Copy $staticDoc -> $target")
      IO.copy(Seq(staticDoc -> target))
      Seq(target)
    }.taskValue
  )

val root = project
  .in(file("."))
  .settings(sharedSettings)
  .settings(
    name := "sharry-root"
  )
  .aggregate(
    common,
    loggingApi,
    loggingScribe,
    store,
    backend,
    webapp,
    restapi,
    restserver
  )

def copyWebjarResources(
    src: Seq[File],
    base: File,
    artifact: String,
    version: String,
    logger: Logger
): Seq[File] = {
  val targetDir = base / "META-INF" / "resources" / "webjars" / artifact / version
  src.flatMap { dir =>
    if (dir.isDirectory) {
      val files = (dir ** "*").filter(_.isFile).get.pair(Path.relativeTo(dir))
      files.map { case (f, name) =>
        val target = targetDir / name
        logger.info(s"Copy $f -> $target")
        IO.createDirectories(Seq(target.getParentFile))
        IO.copy(Seq(f -> target))
        target
      }
    } else {
      val target = targetDir / dir.name
      logger.info(s"Copy $dir -> $target")
      IO.createDirectories(Seq(target.getParentFile))
      IO.copy(Seq(dir -> target))
      Seq(target)
    }
  }
}

def compileElm(
    logger: Logger,
    wd: File,
    outBase: File,
    artifact: String,
    version: String,
    mode: ElmCompileMode
): Seq[File] = {
  logger.info("Compile elm files ...")
  val target =
    outBase / "META-INF" / "resources" / "webjars" / artifact / version / "sharry-app.js"
  val cmd = Seq("elm", "make") ++ mode.flags ++ Seq("--output", target.toString)
  val proc = Process(
    cmd ++ Seq(wd / "src" / "main" / "elm" / "Main.elm").map(_.toString),
    Some(wd)
  )
  val out = proc.!!
  logger.info(out)
  Seq(target)
}

def createWebjarSource(wj: Seq[ModuleID], out: File): Seq[File] = {
  val target = out / "Webjars.scala"
  val invalidChars = "-.".toSet
  val fields = wj
    .map(m =>
      s"""val ${m.name.toLowerCase
          .filterNot(invalidChars.contains)} = "/${m.name}/${m.revision}" """
    )
    .mkString("\n\n")
  val content = s"""package sharry.restserver.webapp
                   |object Webjars {
                   |$fields
                   |}
                   |""".stripMargin

  IO.write(target, content)
  Seq(target)
}

addCommandAlias(
  "make",
  ";set webapp/elmCompileMode := ElmCompileMode.Production; set webapp/stylesMode := StylesMode.Prod ;root/openapiCodegen ;root/Test/compile"
)
addCommandAlias(
  "make-without-webapp",
  "; set webapp/webjarSkip := true ;set webapp/elmCompileSkip := true ;set webapp/stylesSkipBuild := true; root/compile"
)
addCommandAlias(
  "make-webapp-only",
  ";set webapp/elmCompileMode := ElmCompileMode.Production; set webapp/stylesMode := StylesMode.Prod; set webapp/webjarSkip := false ;set webapp/elmCompileSkip := false ;set webapp/stylesSkipBuild := false ;webapp/openapiCodegen ;webapp/compile ;webapp/package"
)
addCommandAlias("make-zip", ";restserver/Universal/packageBin")
addCommandAlias("make-deb", ";restserver/Debian/packageBin")
addCommandAlias("make-pkg", ";clean ;make ;make-zip ;make-deb")

addCommandAlias("ci", "make; lint; test")
addCommandAlias(
  "lint",
  "scalafmtSbtCheck; scalafmtCheckAll; restapi/openapiLint; Compile/scalafix --check; Test/scalafix --check"
)
addCommandAlias("fix", "Compile/scalafix; Test/scalafix; scalafmtSbt; scalafmtAll")