/**
 * Fetch the latest Kotlin versions and write a properties file.
 * Never up-to-date, non-cacheable.
 */
@UntrackedTask(because = "Not worth tracking")
abstract class UpdateKotlinVersions : AbstractVersionsUpdateTask() {

    @get:Internal
    abstract val minimumSupported: Property<String>

    @get:Internal
    abstract val compatibilityDocFile: RegularFileProperty

    @TaskAction

    compatibilityDocFile = layout.projectDirectory.file("platforms/documentation/docs/src/docs/userguide/releases/compatibility.adoc")
}

val updateKotlinVersions = tasks.register<UpdateKotlinVersions>("updateKotlinVersions") {
    comment = " Generated - Update by running `./gradlew updateKotlinVersions`"
    minimumSupported = "2.0.0"
    propertiesFile = layout.projectDirectory.file("gradle/dependency-management/kotlin-versions.properties")

        when:
        def selected = UpdateKotlinVersions.selectVersionsFrom(minimumSupported, allVersions)

        then:
        selected == ["1.9.10", "1.9.25", "2.0.20", "2.0.30-RC1", "2.0.40-Beta2"]
    }

    def "fails is minimumSupported is not available"() {
        given:
        def allVersions = ["2.0.0", "2.0.0-RC1", "2.0.0-Beta1"]

        when:
        UpdateKotlinVersions.selectVersionsFrom(minimumSupported, allVersions)