/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

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

apply plugin: 'elasticsearch.testclusters'
apply plugin: 'elasticsearch.standalone-test'

tasks.register("bwcTest") {
  description = 'Runs backwards compatibility tests.'
  group = 'verification'
}

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

  testClusters {
    "${baseName}" {
      version = bwcVersion.toString()
      setting 'http.content_type.required', 'true'
    }
  }

  tasks.register("${baseName}#integTest", RestTestRunnerTask) {
    useCluster testClusters."${baseName}"
    nonInputProperties.systemProperty('tests.rest.cluster', "${-> testClusters."${baseName}".allHttpSocketURI.join(",")}")
    nonInputProperties.systemProperty('tests.clustername', "${-> testClusters."${baseName}".getName()}")
  }

  tasks.register("${baseName}#bwcTest") {
    dependsOn "${baseName}#integTest"
  }

  bwcTest.dependsOn("${baseName}#bwcTest")
}

task bwcTestSnapshots {
  if (project.bwc_tests_enabled) {
    for (version in bwcVersions.unreleasedIndexCompatible) {
      dependsOn "v${version}#bwcTest"
    }
  }
}

task verifyDocsLuceneVersion {
  doFirst {
    File docsVersionsFile = rootProject.file('docs/Versions.asciidoc')
    List<String> versionLines = docsVersionsFile.readLines('UTF-8')
    String docsLuceneVersion = null
    for (String line : versionLines) {
      if (line.startsWith(':lucene_version:')) {
        docsLuceneVersion = line.split()[1]
      }
    }
    if (docsLuceneVersion == null) {
      throw new GradleException('Could not find lucene version in docs version file')
    }
    String expectedLuceneVersion = VersionProperties.lucene
    // remove potential -snapshot-{gitrev} suffix
    expectedLuceneVersion -= ~/-snapshot-[0-9a-f]+$/
    if (docsLuceneVersion != expectedLuceneVersion) {
      throw new GradleException("Lucene version in docs [${docsLuceneVersion}] does not match version.properties [${expectedLuceneVersion}]")
    }
  }
}

check.dependsOn bwcTestSnapshots, verifyDocsLuceneVersion

test.enabled = false