import org.elasticsearch.gradle.Version
import org.elasticsearch.gradle.info.BuildParams
import org.elasticsearch.gradle.testclusters.RestTestRunnerTask

apply plugin: 'elasticsearch.testclusters'
apply plugin: 'elasticsearch.standalone-test'
apply from : "$rootDir/gradle/bwc-test.gradle"

dependencies {
  // TODO: Remove core dependency and change tests to not use builders that are part of xpack-core.
  // Currently needed for ml tests are using the building for datafeed and job config)
  testCompile project(path: xpackModule('core'), configuration: 'testArtifacts')

  testCompile project(path: ':qa:full-cluster-restart', configuration: 'testArtifacts')
  testCompile project(':x-pack:qa')
}

licenseHeaders {
  approvedLicenses << 'Apache'
}

forbiddenPatterns {
  exclude '**/system_key'
}

String outputDir = "${buildDir}/generated-resources/${project.name}"

tasks.register("copyTestNodeKeyMaterial", Copy) {
  from project(':x-pack:plugin:core')
    .files(
      'src/test/resources/org/elasticsearch/xpack/security/transport/ssl/certs/simple/testnode.pem',
      'src/test/resources/org/elasticsearch/xpack/security/transport/ssl/certs/simple/testnode.crt'
    )
  into outputDir
}

for (Version bwcVersion : BuildParams.bwcVersions.indexCompatible) {
  String baseName = "v${bwcVersion}"

  testClusters {
    "${baseName}" {
      testDistribution = "DEFAULT"
      versions = [bwcVersion.toString(), project.version]
      numberOfNodes = 2
      setting 'path.repo', "${buildDir}/cluster/shared/repo/${baseName}"
      user username: "test_user", password: "x-pack-test-password"

      setting 'path.repo', "${buildDir}/cluster/shared/repo/${baseName}"
      // some tests rely on the translog not being flushed
      setting 'indices.memory.shard_inactive_time', '60m'
      setting 'xpack.security.enabled', 'true'
      setting 'xpack.security.transport.ssl.enabled', 'true'
      setting 'xpack.license.self_generated.type', 'trial'

      extraConfigFile 'testnode.pem', file("${outputDir}/testnode.pem")
      extraConfigFile 'testnode.crt', file("${outputDir}/testnode.crt")

      keystore 'xpack.watcher.encryption_key', file("${project.projectDir}/src/test/resources/system_key")
      setting 'xpack.watcher.encrypt_sensitive_data', 'true'

      setting 'xpack.security.transport.ssl.key', 'testnode.pem'
      setting 'xpack.security.transport.ssl.certificate', 'testnode.crt'
      keystore 'xpack.security.transport.ssl.secure_key_passphrase', 'testnode'
      setting 'logger.org.elasticsearch.xpack.watcher', 'DEBUG'
    }
  }

  tasks.register("${baseName}#oldClusterTest", RestTestRunnerTask) {
    mustRunAfter(precommit)
    useCluster testClusters."${baseName}"
    dependsOn copyTestNodeKeyMaterial
    doFirst {
      project.delete("${buildDir}/cluster/shared/repo/${baseName}")
    }
    systemProperty 'tests.is_old_cluster', 'true'
    exclude 'org/elasticsearch/upgrades/FullClusterRestartIT.class'
    exclude 'org/elasticsearch/upgrades/FullClusterRestartSettingsUpgradeIT.class'
    exclude 'org/elasticsearch/upgrades/QueryBuilderBWCIT.class'
  }


  tasks.register("${baseName}#upgradedClusterTest", RestTestRunnerTask) {
    mustRunAfter(precommit)
    useCluster testClusters."${baseName}"
    dependsOn "${baseName}#oldClusterTest"
    doFirst {
      testClusters."${baseName}".goToNextVersion()
    }
    systemProperty 'tests.is_old_cluster', 'false'
    exclude 'org/elasticsearch/upgrades/FullClusterRestartIT.class'
    exclude 'org/elasticsearch/upgrades/FullClusterRestartSettingsUpgradeIT.class'
    exclude 'org/elasticsearch/upgrades/QueryBuilderBWCIT.class'
  }

  String oldVersion = bwcVersion.toString().minus("-SNAPSHOT")
  tasks.matching { it.name.startsWith("${baseName}#") && it.name.endsWith("ClusterTest") }.configureEach {
    it.systemProperty 'tests.old_cluster_version', oldVersion
    it.systemProperty 'tests.path.repo', "${buildDir}/cluster/shared/repo/${baseName}"
    it.nonInputProperties.systemProperty('tests.rest.cluster', "${-> testClusters."${baseName}".allHttpSocketURI.join(",")}")
    it.nonInputProperties.systemProperty('tests.clustername', "${-> testClusters."${baseName}".getName()}")
  }

  tasks.register(bwcTaskName(bwcVersion)) {
    dependsOn "${baseName}#upgradedClusterTest"
  }
}