plugins {
  id 'base'
  id 'java'

  id 'com.github.node-gradle.node' version '3.1.0'
  id 'org.ajoberstar.grgit' version '4.1.0' apply false
}

import org.ajoberstar.grgit.Grgit

tasks.build.dependsOn 'assemble'

node {
  version = '14.16.1'
  yarnVersion = '1.22.5'
  download = true
}

allprojects {
  apply plugin: 'java'

  repositories {
    mavenCentral()
  }

  project.ext.distVersion = { ->
    def json = new groovy.json.JsonSlurper()
    def packageData = json.parse(file("${rootProject.projectDir}/package.json"))
    return packageData.version.substring(0, packageData.version.size() - 2)
  }

  project.ext.antvilleBuildDir = "${rootProject.buildDir}/tmp/antville"
  project.ext.antvilleInstallDir = "${rootProject.buildDir}/install/antville"

  project.ext.antvilleDistFiles = copySpec {
    from fileTree(antvilleBuildDir).matching {
    }
  }

  // Hide some purely Java-related tasks
  project.tasks.buildDependents.group = null;
  project.tasks.buildNeeded.group = null;
  project.tasks.classes.group = null;
  project.tasks.jar.group = null;
  project.tasks.javadoc.group = null;
  project.tasks.testClasses.group = null;
}

version = distVersion()

dependencies {
  implementation 'org.commonmark:commonmark:0.18.1'
  implementation 'org.commonmark:commonmark-ext-autolink:0.17.1'
  implementation 'org.commonmark:commonmark-ext-gfm-strikethrough:0.17.1'
  implementation 'org.commonmark:commonmark-ext-gfm-tables:0.17.1'
  implementation 'org.jsoup:jsoup:1.13.1'
  implementation 'rome:rome:1.0'

  implementation('org.lesscss:lesscss:1.7.0.1.1') {
    exclude group: 'org.mozilla', module: 'rhino'
    exclude group: 'org.slf4j', module: 'slf4j-api'
    exclude group: 'org.slf4j', module: 'slf4j-simple'
  }
}

task assemble(type: Copy, overwrite: true) {
  dependsOn 'installAntville'
  dependsOn 'installJars'
  dependsOn 'buildStaticFiles'

  from fileTree(antvilleBuildDir).matching {
    exclude 'node_modules'
    exclude 'package.json'
    exclude 'tests'
    exclude 'tools/client'
    exclude 'tools/antclick'
    exclude 'yarn.lock'
  } into antvilleInstallDir
}

task installAntville {
  description 'Clone the Antville repository and remove all unnecessary files.'
  group 'installation'

  def tempDir = "$project.buildDir/tmp/repo"

  outputs.dirs tempDir, antvilleBuildDir

  doFirst {
    delete tempDir
    Grgit.clone(dir: tempDir, uri: project.ext['antville.repo.url'])
  }

  doLast {
    def git = Grgit.open(dir: tempDir)
    def hash = git.head().abbreviatedId
    def date = new Date().format('d MMM yyyy')

    copy {
      from "$tempDir/code/app.properties"
      into "$antvilleBuildDir/code"
      filter { line -> line.replaceAll('(version =) 0.0.0', "\$1 $version.$hash")
        .replaceAll('(buildDate =) 18 Oct 1971', "\$1 $date")
      }
    }

    copy {
      from fileTree(tempDir).matching {
        exclude 'code/app.properties'
        exclude '*gradle*'
        exclude '.*'
        exclude 'i18n/*.po*'
      } into antvilleBuildDir
    }
  }
}

task installJars(type: Copy) {
  description 'Download required JAR libraries.'
  group 'installation'
  dependsOn 'installAntville'

  def outputDir = "$antvilleBuildDir/lib"

  outputs.dir outputDir

  from configurations.runtimeClasspath
  into outputDir
}

task yarnPolicy(type: YarnTask) {
  args = ['policies', 'set-version', node.yarnVersion.supplier.value]
}

task installNodeModules(type: YarnTask) {
  description 'Download required Node modules.'
  group 'build'
  dependsOn 'installAntville'

  inputs.files "$antvilleBuildDir/package.json"
  outputs.dir "$antvilleBuildDir/node_modules"

  args = ['-s', 'install']

  execOverrides {
    it.workingDir = antvilleBuildDir
  }
}

task buildStaticFiles(type: Copy) {
  description 'Build fonts, client-side scripts and stylesheets.'
  group 'build'

  dependsOn 'installAntville'
  dependsOn 'installNodeModules'
  dependsOn 'buildMainScript'
  dependsOn 'buildMainStyles'
  dependsOn 'buildEditorScript'
  dependsOn 'buildEditorStyles'
  dependsOn 'buildGalleryScript'
  dependsOn 'buildLicenses'

  def inputDir = "$antvilleBuildDir/node_modules/uikit/dist/fonts"
  def outputDir = "$antvilleBuildDir/static/fonts"

  inputs.dir inputDir
  outputs.dir outputDir

  from inputDir
  into outputDir
}

['main', 'editor', 'gallery'].each { name ->
  task "build${name.capitalize()}Script" (type: YarnTask) {
    description "Build the ${name} client-side scripts."
    group 'build'
    dependsOn 'installNodeModules'

    def inputFile = "tools/client/${name}.js"
    def outputFile = "static/scripts/${name}.min.js"

    inputs.files "$antvilleBuildDir/$inputFile"
    outputs.files "$antvilleBuildDir/$outputFile"

    args = ['-s', 'browserify', inputFile, '-o', outputFile, '-g', 'uglifyify']

    execOverrides {
      it.workingDir = antvilleBuildDir
    }
  }
}

['main', 'editor'].each { name ->
  task "build${name.capitalize()}Styles" (type: YarnTask) {
    description "Build the ${name} stylesheet."
    group 'build'
    dependsOn 'installNodeModules'

    def inputFile = "tools/client/${name}.less"
    def outputFile = "static/styles/${name}.min.css"

    inputs.files "$antvilleBuildDir/$inputFile"
    outputs.files "$antvilleBuildDir/$outputFile"

    args = ['-s', 'lessc', '--clean-css', inputFile, outputFile]

    execOverrides {
      it.workingDir = antvilleBuildDir
    }
  }
}

task buildLicenses(type: YarnTask) {
  description 'Build licenses file from client-side dependecies.'
  group 'build'
  dependsOn 'installNodeModules'

  def outputFile = "$antvilleBuildDir/static/licenses.txt"

  inputs.file "$antvilleBuildDir/package.json"
  outputs.file outputFile

  args = ['-s', 'licenses', 'generate-disclaimer']

  execOverrides {
    it.workingDir = antvilleBuildDir
    it.standardOutput = new FileOutputStream(outputFile)
  }
}

task jsdoc(type: YarnTask) {
  description 'Generates JavaScript API documentation for the main source code.'
  group 'documentation'
  dependsOn 'installNodeModules'

  def inputDir = "$antvilleBuildDir/code"
  def outputDir = "${project.buildDir}/docs/jsdoc"

  inputs.dir inputDir
  outputs.dir outputDir

  args = ['-s', 'jsdoc', '-r', '-d', outputDir, inputDir]

  execOverrides {
    it.workingDir = antvilleBuildDir
  }
}

task assembleDist {
  description 'Creates the Antville download packages.'
  group 'distribution'

  dependsOn 'assemble'
  dependsOn 'distZip'
  dependsOn 'distTar'
}

task distZip(type: Zip) {
  description 'Creates the Antville download package as Zip file.'
  group 'distribution'
  dependsOn 'assemble'

  def version = project.distVersion()
  def outputDir = "${project.buildDir}/distributions"
  def outputFile = "antville-${version}.zip"

  inputs.dir antvilleInstallDir
  outputs.file "$outputDir/$outputFile"

  from antvilleInstallDir
  destinationDirectory = file(outputDir)
  archiveFileName = outputFile
}

task distTar(type: Tar) {
  description 'Creates the Antville download package as Bzip2 file.'
  group 'distribution'
  dependsOn 'assemble'

  def version = project.distVersion()
  def outputDir = "${project.buildDir}/distributions"
  def outputFile = "antville-${version}.tbz"

  inputs.dir antvilleInstallDir
  outputs.file "$outputDir/$outputFile"

  from antvilleInstallDir
  compression = Compression.BZIP2
  destinationDirectory = file(outputDir)
  archiveFileName = outputFile
}