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.
 */

apply plugin: org.apache.beam.gradle.BeamModulePlugin
applyJavaNature(
  // javacc generated code produces lint warnings
  disableLintWarnings: ['dep-ann'],
  testShadowJar: true,
  shadowClosure: DEFAULT_SHADOW_CLOSURE << {
    dependencies {
      include(dependency(library.java.protobuf_java))
      include(dependency(library.java.protobuf_java_util))
      include(dependency("org.apache.calcite:.*"))
      include(dependency("org.apache.calcite.avatica:.*"))
      include(dependency("org.codehaus.janino:.*"))
    }
    relocate "com.google.protobuf", getJavaRelocatedPath("com.google.protobuf")
    relocate "org.apache.calcite", getJavaRelocatedPath("org.apache.calcite")

  // Looking up the compiler factory in Calcite depends on having a properties
  // file in the right location. We package one that is shading compatible
  // in src/main/resources. Note that if this shaded path changes, that
  // files name and contents need to be updated as well. TODO, swap to use
  // getJavaRelocatedPath once the Maven build is no longer also shading this
  // module.
  relocate "org.codehaus", "org.apache.beam.sdks.java.extensions.sql.repackaged.org.codehaus"
})
apply plugin: 'ca.coglinc.javacc'

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
}

def calcite_version = "1.17.0"
def avatica_version = "1.12.0"

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 "org.apache.calcite:calcite-core:$calcite_version"
  compile library.java.guava
  compile "org.apache.calcite:calcite-core:$calcite_version"
  compile "org.apache.calcite:calcite-linq4j:$calcite_version"
  compile "org.apache.calcite.avatica:avatica-core:$avatica_version"
  shadow project(path: ":beam-sdks-java-core", configuration: "shadow")
  shadow project(path: ":beam-sdks-java-extensions-join-library", configuration: "shadow")
  shadow library.java.slf4j_api
  shadow library.java.commons_csv
  shadow library.java.commons_lang3
  shadow library.java.jackson_databind
  shadow library.java.joda_time
  shadow "com.alibaba:fastjson:1.2.49"
  shadow project(path: ":beam-runners-direct-java", configuration: "shadow")
  provided project(path: ":beam-sdks-java-io-kafka", configuration: "shadow")
  provided project(path: ":beam-sdks-java-io-google-cloud-platform", configuration: "shadow")
  provided library.java.kafka_clients
  shadowTest library.java.slf4j_jdk14
  shadowTest library.java.junit
  shadowTest library.java.hamcrest_core
  shadowTest library.java.hamcrest_library
  shadowTest library.java.mockito_core
  shadowTest library.java.quickcheck_core
}

// Copy Caclcite 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 "${project.buildDir}/templates-fmpp/codegen"
}
task copyFmppTemplatesFromCalciteCore(type: Copy) {
  dependsOn configurations.fmppTemplates
  File calciteCoreJar = files(configurations.fmppTemplates.files).filter {
    it.name.startsWith("calcite-core")
  }.singleFile
  from zipTree(calciteCoreJar)
  include "**/Parser.jj"
  into "${project.buildDir}/templates-fmpp"
}

// 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 = [grammar_encoding: "UTF-8", 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'
  maxParallelForks 4
  classpath = project(":beam-sdks-java-extensions-sql").sourceSets.test.runtimeClasspath
  testClassesDirs = files(project(":beam-sdks-java-extensions-sql").sourceSets.test.output.classesDirs)
  useJUnit { }
}

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