import java.nio.file.Files

plugins {
  pklAllProjects
  pklJavaLibrary
  pklPublishLibrary
  pklKotlinTest
}

val pklDistributionCurrent: Configuration by configurations.creating
val pklHistoricalDistributions: Configuration by configurations.creating

// Because pkl-executor doesn't depend on other Pkl modules
// (nor has overlapping dependencies that could cause a version conflict),
// clients are free to use different versions of pkl-executor and (say) pkl-config-java-all.
// (Pkl distributions used by EmbeddedExecutor are isolated via class loaders.)
dependencies {
  pklDistributionCurrent(project(":pkl-config-java", "fatJar"))
  @Suppress("UnstableApiUsage")
  pklHistoricalDistributions(libs.pklConfigJavaAll025)

  implementation(libs.slf4jApi)

  testImplementation(projects.pklCommonsTest)
  testImplementation(projects.pklCore)
  testImplementation(libs.slf4jSimple)
}

// TODO why is this needed? Without this, we get error:
// `Entry org/pkl/executor/EmbeddedExecutor.java is a duplicate but no duplicate handling strategy has been set.`
// However, we do not have multiple of these Java files.
tasks.named<Jar>("sourcesJar") {
  duplicatesStrategy = DuplicatesStrategy.EXCLUDE
}

publishing {
  publications {
    named<MavenPublication>("library") {
      pom {
        url.set("https://github.com/apple/pkl/tree/main/pkl-executor")
        description.set("""
          Library for executing Pkl code in a sandboxed environment.
        """.trimIndent())
      }
    }
  }
}

sourceSets {
  main {
    java {
      srcDir("src/main/java")
    }
  }
}

val prepareHistoricalDistributions by tasks.registering {
  val outputDir = layout.buildDirectory.dir("pklHistoricalDistributions")
  inputs.files(pklHistoricalDistributions.files())
  outputs.dir(outputDir)
  doLast {
    val distributionDir = outputDir.get().asFile.toPath()
      .also(Files::createDirectories)
    for (file in pklHistoricalDistributions.files) {
      val link = distributionDir.resolve(file.name)
      if (!Files.isSymbolicLink(link)) {
        if (Files.exists(link)) {
          Files.delete(link)
        }
        Files.createSymbolicLink(link, file.toPath())
      }
    }
  }
}

val prepareTest by tasks.registering {
  dependsOn(pklDistributionCurrent, prepareHistoricalDistributions)
}

tasks.test {
  dependsOn(prepareTest)
}