import org.gradle.util.GradleVersion

import java.text.SimpleDateFormat
import java.util.Date
import java.util.TimeZone


data class ReleasedVersion(val version: String, val buildTime: String) {
    fun gradleVersion() = GradleVersion.version(version)
    fun buildTimeStamp(): Date = SimpleDateFormat("yyyyMMddHHmmssZ").apply { timeZone = TimeZone.getTimeZone("UTC") }.parse(buildTime)

            return buildTimestampFromReceipt
        }

        val timestampFormat = SimpleDateFormat("yyyyMMddHHmmssZ").apply {
            timeZone = TimeZone.getTimeZone("UTC")
        }
        val buildTimestampFromProperty = buildTimestampFromGradleProperty.orNull
        val buildTime = when {
            buildTimestampFromProperty != null -> {

class UpdateReleasedVersionsIntegrationTest extends Specification {

    def format = new SimpleDateFormat('yyyyMMddHHmmssZ')

    @TempDir
    File tmpDir

    def setup() {
        format.timeZone = TimeZone.getTimeZone("UTC")
    }

    def "updated released version file has expected format"() {
        given:
        def releasedVersionsFile = new File(tmpDir, "released-versions.json")

        private
        val isoTimestampFormat = newSimpleDateFormatUTC("yyyy-MM-dd HH:mm:ss z")

        private
        fun newSimpleDateFormatUTC(pattern: String) = SimpleDateFormat(pattern).apply {
            timeZone = TimeZone.getTimeZone("UTC")
        }

        fun readBuildReceiptFromString(buildReceipt: String) =
            Properties().apply { load(buildReceipt.reader()) }

import static java.util.concurrent.TimeUnit.DAYS

class UpdateReleasedVersionsTest extends Specification {

    def format = new SimpleDateFormat('yyyyMMddHHmmssZ')

    def setup() {
        format.timeZone = TimeZone.getTimeZone("UTC")
    }

    def "final release is added to list"() {
        def snapshot = snapshot('4.3')
        def rc = releasedVersion('4.3-rc-1')
        def versions = releasedVersions(snapshot, rc, [])