apply plugin: 'base'

final boolean isTeamcityBuild = System.getenv("TEAMCITY_VERSION") != null

// kotlin/libraries/tools/kotlin-stdlib-docs  ->  kotlin
final String kotlinRootDir = rootProject.file("../../../").absolutePath.replace('\\', '/')
final String kotlinLibsDir = "$buildDir/libs"

final String githubRevision = isTeamcityBuild ? project.property("githubRevision") : "master"
final String kotlinVersion = isTeamcityBuild ? project.property("deployVersion") : defaultSnapshotVersion(kotlinRootDir)
final String repo = isTeamcityBuild ? project.property("kotlinLibsRepo") : "$kotlinRootDir/build/repo"

def defaultSnapshotVersion(String kotlinRootDir) {
  file("$kotlinRootDir/gradle.properties").newInputStream().with {
    final def props = new Properties()
    props.load(it)
    return Objects.requireNonNull(props.get("defaultSnapshotVersion")) as String
  }
}

println("# Extracting info:")
println("    isTeamcityBuild: $isTeamcityBuild")
println("    githubRevision: $githubRevision")
println("    kotlinVersion: $kotlinVersion")
println("    repo: $repo")

repositories {
  maven { url = repo }
  mavenCentral()
}

final List<String> modules = [
        "kotlin-stdlib",
        "kotlin-stdlib-common",
        "kotlin-stdlib-jdk7",
        "kotlin-stdlib-jdk8",
        "kotlin-stdlib-js",
        "kotlin-test",
        "kotlin-test-js",
        "kotlin-test-junit5",
        "kotlin-test-junit",
        "kotlin-test-testng",
        "kotlin-test-common",
]


task extractLibs() { }


modules.forEach { module ->
  final String lib = "kotlin_lib_$module"

  final Configuration  lib_src = configurations.create(lib)

  if (module == "kotlin-test-js" || module == "kotlin-stdlib-js") {
    lib_src.attributes {
      attribute(Usage.USAGE_ATTRIBUTE, objects.named(Usage, "kotlin-runtime"))
      attribute(Attribute.of("org.jetbrains.kotlin.js.compiler", String), "ir")
    }
  }

  dependencies {
    "$lib"(group: 'org.jetbrains.kotlin', name: module, version: kotlinVersion)
  }

  final Task libsTask = tasks.create("extract_lib_$module", Sync) {
    dependsOn lib_src

    from { lib_src }
    into "$kotlinLibsDir/$module"
  }

  extractLibs.dependsOn libsTask
}

project.extensions.github_revision = githubRevision
project.extensions.kotlin_root = kotlinRootDir
project.extensions.kotlin_libs = kotlinLibsDir

// TODO: Eliminate this workaround when KT-52977 gets fixed in the Kotlin compiler used in Dokka
final List<File> enumsToComment = [
        "$kotlinRootDir/libraries/stdlib/jdk7/src/kotlin/io/path/PathWalkOption.kt",
        "$kotlinRootDir/libraries/stdlib/jdk7/src/kotlin/io/path/CopyActionResult.kt",
        "$kotlinRootDir/libraries/stdlib/jdk7/src/kotlin/io/path/OnErrorResult.kt",
].collect { new File(it) }

project.extensions.commentOutSinceKotlinForNewEnums = {
  for (file in enumsToComment) {
    final List<String> lines = file.readLines()
    for (def i = 0; i < lines.size(); i++) {
      if (lines[i].startsWith("@SinceKotlin")) {
        lines[i] = "//" + lines[i]
      }
    }
    file.write(String.join("\n", lines))
  }
}

project.extensions.uncommentSinceKotlinForNewEnums = {
  for (file in enumsToComment) {
    final List<String> lines = file.readLines()
    for (def i = 0; i < lines.size(); i++) {
      if (lines[i].startsWith("//@SinceKotlin")) {
        lines[i] = lines[i].substring(2)
      }
    }
    file.write(String.join("\n", lines))
  }
}