import org.scalajs.linker.interface.ModuleSplitStyle
import org.portablescala.sbtplatformdeps.PlatformDepsPlugin.autoImport._
import sbtcrossproject.CrossPlugin.autoImport.{crossProject, CrossType}

ThisBuild / scalaVersion := "3.7.1"
ThisBuild / scalacOptions += "-Xfatal-warnings"
ThisBuild / scalacOptions += "-Wunused:imports"

// Root project
lazy val root = project
  .in(file("."))
  .aggregate(sharedJs, browser, nodejs)
  .settings(
    name := "fahrtenbuch",
    publish := {},
    publishLocal := {}
  )

// Shared code project
lazy val shared = crossProject(JSPlatform)
  .crossType(CrossType.Pure)
  .in(file("shared"))
  .settings(
    libraryDependencies ++= Seq(
      "de.tu-darmstadt.stg" %%% "rdts" % "0.37.0",
      "org.getshaka" %%% "native-converter" % "0.9.0"
    )
  )
  .jsSettings(
    // JS-specific settings for shared code
  )

lazy val sharedJs = shared.js

// Browser-specific project
lazy val browser = project
  .in(file("browser"))
  .enablePlugins(
    ScalaJSPlugin,
    ScalablyTypedConverterExternalNpmPlugin
  )
  .dependsOn(sharedJs)
  .settings(
    name := "fahrtenbuch-browser",

    // Tell Scala.js that this is an application with a main method
    scalaJSUseMainModuleInitializer := true,

    // scalably typed config
    // Ignore several Trystero dependencies in ScalablyTyped to avoid `stImport` errors
    stIgnore := List(
      "libp2p",
      "firebase",
      "@supabase/supabase-js",
      "@mdi/font",
      "bulma",
      "node"
    ),
    externalNpm := baseDirectory.value.getParentFile,

    /* Configure Scala.js to emit modules in the optimal way to
     * connect to Vite's incremental reload.
     * - emit ECMAScript modules
     * - emit as many small modules as possible for classes in the "fahrtenbuch" package
     * - emit as few (large) modules as possible for all other classes
     *   (in particular, for the standard library)
     */
    scalaJSLinkerConfig ~= {
      _.withModuleKind(ModuleKind.ESModule)
        .withModuleSplitStyle(
          ModuleSplitStyle.SmallModulesFor(List("fahrtenbuch"))
        )
    },

    /* Browser-specific dependencies */
    libraryDependencies ++= Seq(
      "org.scala-js" %%% "scalajs-dom" % "2.8.0",
      "com.raquo" %%% "laminar" % "17.2.1",
      "de.tu-darmstadt.stg" %%% "rdts" % "0.37.0",
      "org.getshaka" %%% "native-converter" % "0.9.0"
    ),

    // Output directory for browser build
    Compile / fastOptJS / crossTarget := baseDirectory.value.getParentFile / "dist" / "browser",
    Compile / fullOptJS / crossTarget := baseDirectory.value.getParentFile / "dist" / "browser"
  )

// Node.js-specific project
lazy val nodejs = project
  .in(file("nodejs"))
  .enablePlugins(ScalaJSPlugin)
  .dependsOn(sharedJs)
  .settings(
    name := "fahrtenbuch-nodejs",

    // Tell Scala.js that this is an application with a main method
    scalaJSUseMainModuleInitializer := true,

    /* Configure Scala.js for Node.js
     * - emit CommonJS modules for Node.js compatibility
     * - optimize for Node.js runtime
     */
    scalaJSLinkerConfig ~= {
      _.withModuleKind(ModuleKind.CommonJSModule)
        .withModuleSplitStyle(ModuleSplitStyle.FewestModules)
    },

    /* Node.js-specific dependencies */
    libraryDependencies ++= Seq(
      "de.tu-darmstadt.stg" %%% "rdts" % "0.37.0",
      "org.getshaka" %%% "native-converter" % "0.9.0"
    ),

    // Output directory for Node.js build
    Compile / fastOptJS / crossTarget := baseDirectory.value.getParentFile / "dist" / "nodejs",
    Compile / fullOptJS / crossTarget := baseDirectory.value.getParentFile / "dist" / "nodejs",

    // Use .cjs extension for CommonJS compatibility
    Compile / fastOptJS / artifactPath := (Compile / fastOptJS / crossTarget).value / "main.cjs",
    Compile / fullOptJS / artifactPath := (Compile / fullOptJS / crossTarget).value / "main.cjs"
  )

// Global settings
Global / onChangedBuildSource := ReloadOnSourceChanges