import groovy.json.JsonOutput

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.
 */

plugins {
  id 'org.apache.beam.module'
  id 'ca.coglinc.javacc'
}
applyJavaNature(
  automaticModuleName: 'org.apache.beam.sdk.extensions.sql',
  // javacc generated code produces lint warnings
  disableLintWarnings: ['dep-ann'])

description = "Apache Beam :: SDKs :: Java :: Extensions :: SQL"
ext.summary = "Beam SQL provides a new interface to generate a Beam pipeline from SQL statement"

configurations {
  // Create an fmppTask configuration representing the dependencies
  // required to define and execute the Ant FMPP task.
  // TODO: Migrate to a FMPP plugin once one exists
  fmppTask
  fmppTemplates
}

dependencies {
  javacc "net.java.dev.javacc:javacc:4.0"
  fmppTask "com.googlecode.fmpp-maven-plugin:fmpp-maven-plugin:1.0"
  fmppTask "org.freemarker:freemarker:2.3.28"
  fmppTemplates library.java.vendored_calcite_1_20_0
  compile project(":sdks:java:core")
  compile project(":sdks:java:extensions:join-library")
  compile project(":runners:direct-java")
  compile library.java.commons_csv
  compile library.java.vendored_calcite_1_20_0
  compile "com.alibaba:fastjson:1.2.49"
  compile "org.codehaus.janino:janino:3.0.11"
  compile "org.codehaus.janino:commons-compiler:3.0.11"
  provided project(":sdks:java:io:kafka")
  provided project(":sdks:java:io:google-cloud-platform")
  provided project(":sdks:java:io:parquet")
  provided library.java.kafka_clients
  testCompile library.java.vendored_calcite_1_20_0
  testCompile library.java.vendored_guava_26_0_jre
  testCompile library.java.junit
  testCompile library.java.hamcrest_core
  testCompile library.java.hamcrest_library
  testCompile library.java.mockito_core
  testCompile library.java.quickcheck_core
  testRuntimeClasspath library.java.slf4j_jdk14
}

// Copy Calcite templates and our own template into the build directory
// so we have one location for the FMPP task to parse.
task copyFmppTemplatesFromSrc(type: Copy) {
  from "src/main/codegen"
  into "${project.buildDir}/templates-fmpp/codegen"
}
task copyFmppTemplatesFromCalciteCore(type: Copy) {
  dependsOn configurations.fmppTemplates
  File calciteCoreJar = files(configurations.fmppTemplates.files).filter {
    it.name.startsWith("beam-vendor-calcite")
  }.singleFile
  from zipTree(calciteCoreJar)
  include "**/Parser.jj"
  into "${project.buildDir}/templates-fmpp"
  filter{
    line ->
      line.replace('import org.apache.calcite.', 'import org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.')
  }
  filter{
    line ->
      line.replace('import static org.apache.calcite.', 'import static org.apache.beam.vendor.calcite.v1_20_0.org.apache.calcite.')
  }
}

// Generate the FMPP sources from the FMPP templates.
def generateFmppOutputDir = "${project.buildDir}/generated/fmpp"
task generateFmppSources {
  dependsOn configurations.fmppTask
  dependsOn copyFmppTemplatesFromSrc
  dependsOn copyFmppTemplatesFromCalciteCore
  doLast {
    ant.taskdef(name: "fmpp", classname: "fmpp.tools.AntTask", classpath: configurations.fmppTask.asPath)
    ant.fmpp(configuration: "src/main/codegen/config.fmpp", sourceRoot: "${project.buildDir}/templates-fmpp/codegen/templates", outputRoot: generateFmppOutputDir)
  }
}

// Match the output directory for generated code with the package, to be more tool-friendly
def generateFmppJavaccRoot = "${generateFmppOutputDir}/javacc"
def generatedJavaccSourceDir = "${project.buildDir}/generated/javacc"
def generatedJavaccPackageDir = "${generatedJavaccSourceDir}/org/apache/beam/sdk/extensions/sql/impl/parser/impl"
compileJavacc {
  dependsOn generateFmppSources
  inputDirectory = file(generateFmppJavaccRoot)
  outputDirectory = file(generatedJavaccPackageDir)
  arguments = [static: "false", lookahead: "2"]
}

// Help IntelliJ find the fmpp bits
idea {
  module {
    sourceDirs += file(generateFmppOutputDir)
    generatedSourceDirs += file(generateFmppOutputDir)

    sourceDirs += file(generatedJavaccSourceDir)
    generatedSourceDirs += file(generatedJavaccSourceDir)
  }
}

// Run basic SQL example
task runBasicExample(type: JavaExec) {
  description = "Run basic SQL example"
  main = "org.apache.beam.sdk.extensions.sql.example.BeamSqlExample"
  classpath = sourceSets.main.runtimeClasspath
  args = ["--runner=DirectRunner"]
}

// Run SQL example on POJO inputs
task runPojoExample(type: JavaExec) {
  description = "Run SQL example for PCollections of POJOs"
  main = "org.apache.beam.sdk.extensions.sql.example.BeamSqlPojoExample"
  classpath = sourceSets.main.runtimeClasspath
  args = ["--runner=DirectRunner"]
}

task integrationTest(type: Test) {
  group = "Verification"
  def gcpProject = project.findProperty('gcpProject') ?: 'apache-beam-testing'
  def gcsTempRoot = project.findProperty('gcsTempRoot') ?: 'gs://temp-storage-for-end-to-end-tests/'

  // Disable Gradle cache (it should not be used because the IT's won't run).
  outputs.upToDateWhen { false }

  def pipelineOptions = [
          "--project=${gcpProject}",
          "--tempLocation=${gcsTempRoot}",
          "--blockOnRun=false"]

  systemProperty "beamTestPipelineOptions", JsonOutput.toJson(pipelineOptions)

  include '**/*IT.class'
  exclude '**/KafkaCSVTableIT.java'
  maxParallelForks 4
  classpath = project(":sdks:java:extensions:sql")
          .sourceSets
          .test
          .runtimeClasspath
  testClassesDirs = files(project(":sdks:java:extensions:sql").sourceSets.test.output.classesDirs)
  useJUnit { }
}

task postCommit {
  group = "Verification"
  description = "Various integration tests"
  dependsOn integrationTest
}