import org.apache.tools.ant.filters.ReplaceTokens
import org.gradle.internal.os.OperatingSystem
import org.gradle.plugins.ide.eclipse.model.Output
import org.gradle.plugins.ide.eclipse.model.Library

import groovy.transform.ExternalizeMethods

buildscript {
  dependencies {
    classpath 'org.openclover:clover:4.3.1'
  }
}

plugins {
  id 'java'
  id 'application'
  id 'eclipse'
  id 'com.github.johnrengelman.shadow' version '4.0.3'
  id 'com.install4j.gradle' version '7.0.9'
}

// local build environment properties
def localProps = "${jalviewDir}/local.properties"
if (file(localProps).exists()) {
  def p = new Properties()
  def localPropsFIS = new FileInputStream(localProps)
  p.load(localPropsFIS)
  localPropsFIS.close()
  p.each {
    key, val -> 
      def over = getProperty(key) != null
      setProperty(key, val)
      if (over) {
        println("Overriding property '${key}' with local.properties value '${val}'")
      }
  }
}

repositories {
  jcenter()
  mavenCentral()
  mavenLocal()
  flatDir {
    dirs gradlePluginsDir
  }
}

dependencies {
  compile 'org.apache.commons:commons-compress:1.18'
}

mainClassName = launcherClass
def cloverInstrDir = file("${buildDir}/${cloverSourcesInstrDir}")
def classes = "${jalviewDir}/${classesDir}"

if (clover.equals("true")) {
  use_clover = true
  classes = "${buildDir}/${cloverClassesDir}"
} else {
  use_clover = false
  classes = "${jalviewDir}/${classesDir}"
}

// configure classpath/args for j8/j11 compilation

def jalviewDirAbsolutePath = file(jalviewDir).getAbsolutePath()
def libDir
def libDistDir
def compile_source_compatibility
def compile_target_compatibility

ext {
  getdownWebsiteDir = "${jalviewDir}/${getdown_website_dir}/${JAVA_VERSION}"
  getdownDir = ""
  reportRsyncCmd = false
  buildDist = true
  buildProperties = buildPropertiesFile
  getdownLauncher = "${jalviewDir}/${getdown_lib_dir}/${getdown_launcher}"
  switch (CHANNEL) {

    case "BUILD":
    // TODO: get bamboo build artifact URL for getdown artifacts
    getdown_channel_base = bamboo_channelbase
    getdown_channel_name = "${bamboo_planKey}/${JAVA_VERSION}"
    getdown_app_base = "${bamboo_channelbase}/${bamboo_planKey}${bamboo_getdown_channel_suffix}/${JAVA_VERSION}"
    getdown_app_dir = getdown_app_dir_alt
    buildProperties = "${jalviewDir}/${classesDir}/${buildPropertiesFile}"
    break

    case "RELEASE":
    getdown_channel_name = CHANNEL.toLowerCase()
    getdownDir = "${getdown_channel_name}/${JAVA_VERSION}"
    getdown_app_base = "${getdown_channel_base}/${getdownDir}"
    getdown_app_dir = getdown_app_dir_release
    buildProperties = "${jalviewDir}/${classesDir}/${buildPropertiesFile}"
    reportRsyncCommand = true
    break

    case "ARCHIVE":
    getdown_channel_name = CHANNEL.toLowerCase()+"/${JALVIEW_VERSION}"
    getdownDir = "${getdown_channel_name}/${JAVA_VERSION}"
    getdown_app_base = "${getdown_channel_base}/${getdownDir}"
    getdown_app_dir = getdown_app_dir_alt
    if (!file("${ARCHIVEDIR}/${packageDir}").exists()) {
      print "Must provide an ARCHIVEDIR value to produce an archive distribution"
      exit
    } else {
      packageDir = "${ARCHIVEDIR}/${packageDir}"
      buildProperties = "${ARCHIVEDIR}/${classesDir}/${buildPropertiesFile}"
      buildDist = false
    }
    reportRsyncCommand = true
    break

    case "ARCHIVELOCAL":
    getdown_channel_name = "archive/${JALVIEW_VERSION}"
    getdownDir = "${getdown_channel_name}/${JAVA_VERSION}"
    getdown_app_base = file(getdownWebsiteDir).toURI().toString()
    getdown_app_dir = getdown_app_dir_alt
    if (!file("${ARCHIVEDIR}/${packageDir}").exists()) {
      print "Must provide an ARCHIVEDIR value to produce an archive distribution"
      exit
    } else {
      packageDir = "${ARCHIVEDIR}/${packageDir}"
      buildProperties = "${ARCHIVEDIR}/${classesDir}/${buildPropertiesFile}"
      buildDist = false
    }
    reportRsyncCommand = true
    getdownLauncher = "${jalviewDir}/${getdown_lib_dir}/${getdown_launcher_local}"
    break

    case "DEVELOP":
    getdown_channel_name = CHANNEL.toLowerCase()
    getdownDir = "${getdown_channel_name}/${JAVA_VERSION}"
    getdown_app_base = "${getdown_channel_base}/${getdownDir}"
    getdown_app_dir = getdown_app_dir_alt
    buildProperties = "${jalviewDir}/${classesDir}/${buildPropertiesFile}"
    reportRsyncCommand = true
    break

    case "TEST-RELEASE":
    getdown_channel_name = CHANNEL.toLowerCase()
    getdownDir = "${getdown_channel_name}/${JAVA_VERSION}"
    getdown_app_base = "${getdown_channel_base}/${getdownDir}"
    getdown_app_dir = getdown_app_dir_alt
    buildProperties = "${jalviewDir}/${classesDir}/${buildPropertiesFile}"
    reportRsyncCommand = true
    break

    case ~/^SCRATCH(|-[-\w]*)$/:
    getdown_channel_name = CHANNEL
    getdownDir = "${getdown_channel_name}/${JAVA_VERSION}"
    getdown_app_base = "${getdown_channel_base}/${getdownDir}"
    getdown_app_dir = getdown_app_dir_alt
    buildProperties = "${jalviewDir}/${classesDir}/${buildPropertiesFile}"
    reportRsyncCommand = true
    break

    case "LOCAL":
    getdown_app_base = file(getdownWebsiteDir).toURI().toString()
    getdown_app_dir = getdown_app_dir_alt
    buildProperties = "${jalviewDir}/${classesDir}/${buildPropertiesFile}"
    getdownLauncher = "${jalviewDir}/${getdown_lib_dir}/${getdown_launcher_local}"
    break

    default: // something wrong specified
    print("CHANNEL must be one of BUILD, RELEASE, ARCHIVE, DEVELOP, TEST-RELEASE, SCRATCH-..., LOCAL [default]")
    exit
    break

  }

  getdownAppDir = "${getdownWebsiteDir}/${getdown_app_dir}"
  //getdownJ11libDir = "${getdownWebsiteDir}/${getdown_j11lib_dir}"
  getdownResourceDir = "${getdownWebsiteDir}/${getdown_resource_dir}"
  getdownInstallDir = "${getdownWebsiteDir}/${getdown_install_dir}"
  getdownFilesDir = "${jalviewDir}/${getdown_files_dir}/${JAVA_VERSION}/"
  getdownFilesInstallDir = "${getdownFilesDir}/${getdown_install_dir}"
  /* compile without modules -- using classpath libraries
  modules_compileClasspath = fileTree(dir: "${jalviewDir}/${j11modDir}", include: ["*.jar"])
  modules_runtimeClasspath = modules_compileClasspath
  */
  gitHash = ""
  gitBranch = ""

  println("Using a ${CHANNEL} profile.")
}

def JAVA_INTEGER_VERSION
def additional_compiler_args = []
// these are getdown.txt properties defined dependent on the JAVA_VERSION
def getdown_alt_java_min_version
def getdown_alt_java_max_version
// this property is assigned below and expanded to multiple lines in the getdown task
def getdown_alt_multi_java_location
// this property is for the Java library used in eclipse
def eclipse_java_runtime_name
if (JAVA_VERSION.equals("1.8")) {
  JAVA_INTEGER_VERSION = "8"
  //libDir = j8libDir
  libDir = j11libDir
  libDistDir = j8libDir
  compile_source_compatibility = 1.8
  compile_target_compatibility = 1.8
  getdown_alt_java_min_version = getdown_alt_java8_min_version
  getdown_alt_java_max_version = getdown_alt_java8_max_version
  getdown_alt_multi_java_location = getdown_alt_java8_txt_multi_java_location
  eclipse_java_runtime_name = "JavaSE-1.8"
} else if (JAVA_VERSION.equals("11")) {
  JAVA_INTEGER_VERSION = "11"
  libDir = j11libDir
  libDistDir = j11libDir
  compile_source_compatibility = 11
  compile_target_compatibility = 11
  getdown_alt_java_min_version = getdown_alt_java11_min_version
  getdown_alt_java_max_version = getdown_alt_java11_max_version
  getdown_alt_multi_java_location = getdown_alt_java11_txt_multi_java_location
  eclipse_java_runtime_name = "JavaSE-11"
  /* compile without modules -- using classpath libraries
  additional_compiler_args += [
  '--module-path', ext.modules_compileClasspath.asPath,
  '--add-modules', j11modules
  ]
  */
} else if (JAVA_VERSION.equals("12") || JAVA_VERSION.equals("13")) {
  JAVA_INTEGER_VERSION = JAVA_VERSION
  libDir = j11libDir
  libDistDir = j11libDir
  compile_source_compatibility = JAVA_VERSION
  compile_target_compatibility = JAVA_VERSION
  getdown_alt_java_min_version = getdown_alt_java11_min_version
  getdown_alt_java_max_version = getdown_alt_java11_max_version
  getdown_alt_multi_java_location = getdown_alt_java11_txt_multi_java_location
  eclipse_java_runtime_name = "JavaSE-11"
  /* compile without modules -- using classpath libraries
  additional_compiler_args += [
  '--module-path', ext.modules_compileClasspath.asPath,
  '--add-modules', j11modules
  ]
  */
} else {
  throw new GradleException("JAVA_VERSION=${JAVA_VERSION} not currently supported by Jalview")
}

sourceSets {

  main {
    java {
      srcDirs "${jalviewDir}/${sourceDir}"
      outputDir = file("${classes}")
    }

    resources {
      srcDirs "${jalviewDir}/${resourceDir}"
    }

    jar.destinationDir = file("${jalviewDir}/${packageDir}")

    compileClasspath = files(sourceSets.main.java.outputDir)
    compileClasspath += fileTree(dir: "${jalviewDir}/${libDir}", include: ["*.jar"])

    runtimeClasspath = compileClasspath
  }

  clover {
    java {
      srcDirs = [ cloverInstrDir ]
      outputDir = file("${buildDir}/${cloverClassesDir}")
    }

    resources {
      srcDirs = sourceSets.main.resources.srcDirs
    }
    compileClasspath = configurations.cloverRuntime + files( sourceSets.clover.java.outputDir )
    compileClasspath += files(sourceSets.main.java.outputDir)
    compileClasspath += sourceSets.main.compileClasspath
    compileClasspath += fileTree(dir: "${jalviewDir}/${utilsDir}", include: ["**/*.jar"])
    compileClasspath += fileTree(dir: "${jalviewDir}/${libDir}", include: ["*.jar"])

    runtimeClasspath = compileClasspath
  }

  test {
    java {
      srcDirs "${jalviewDir}/${testSourceDir}"
      outputDir = file("${jalviewDir}/${testOutputDir}")
    }

    resources {
      srcDirs = sourceSets.main.resources.srcDirs
    }

    compileClasspath = files( sourceSets.test.java.outputDir )

    if (use_clover) {
      compileClasspath += sourceSets.clover.compileClasspath
    } else {
      compileClasspath += files(sourceSets.main.java.outputDir)
    }

    compileClasspath += fileTree(dir: "${jalviewDir}/${libDir}", include: ["*.jar"])
    compileClasspath += fileTree(dir: "${jalviewDir}/${utilsDir}/testnglibs", include: ["**/*.jar"])
    compileClasspath += fileTree(dir: "${jalviewDir}/${utilsDir}/testlibs", include: ["**/*.jar"])

    runtimeClasspath = compileClasspath
  }
}

// clover bits
dependencies {
  if (use_clover) {
    cloverCompile 'org.openclover:clover:4.3.1'
    testCompile 'org.openclover:clover:4.3.1'
  }
}

configurations {
  cloverRuntime
  cloverRuntime.extendsFrom cloverCompile
}

eclipse {
  project {
    name = eclipse_project_name

    natures 'org.eclipse.jdt.core.javanature',
    'org.eclipse.jdt.groovy.core.groovyNature',
    'org.eclipse.buildship.core.gradleprojectnature'

    buildCommand 'org.eclipse.jdt.core.javabuilder'
    buildCommand 'org.eclipse.buildship.core.gradleprojectbuilder'
  }

  classpath {
    //defaultOutputDir = sourceSets.main.java.outputDir
    def removeThese = []
    configurations.each{
      if (it.isCanBeResolved()) {
        removeThese += it
      }
    }

    minusConfigurations += removeThese
    plusConfigurations = [ ]
    file {

      whenMerged { cp ->
        def removeTheseToo = []
        HashMap<String, Boolean> alreadyAddedSrcPath = new HashMap<>();
        cp.entries.each { entry ->
          if (entry.kind == 'src') {
            if (alreadyAddedSrcPath.getAt(entry.path) || !(entry.path == sourceDir || entry.path == testSourceDir)) {
              removeTheseToo += entry
            } else {
              alreadyAddedSrcPath.putAt(entry.path, true)
            }
          }
        }
        cp.entries.removeAll(removeTheseToo)

        if (file("${jalviewDir}/${eclipse_bin_dir}/main").isDirectory()) {
          cp.entries += new Output("${eclipse_bin_dir}/main")
        }
        if (file(helpParentDir).isDirectory()) {
          cp.entries += new Library(fileReference(helpParentDir))
        }
        if (file(resourceDir).isDirectory()) {
          cp.entries += new Library(fileReference(resourceDir))
        }

        HashMap<String, Boolean> alreadyAddedLibPath = new HashMap<>();

        sourceSets.main.compileClasspath.findAll { it.name.endsWith(".jar") }.each {
          //don't want to add outputDir as eclipse is using its own output dir in bin/main
          if (it.isDirectory() || ! it.exists()) {
            // don't add dirs to classpath
            return
          }
          def itPath = it.toString()
          if (itPath.startsWith("${jalviewDirAbsolutePath}/")) {
            // make relative path
            itPath = itPath.substring(jalviewDirAbsolutePath.length()+1)
          }
          if (alreadyAddedLibPath.get(itPath)) {
            //println("Not adding duplicate entry "+itPath)
          } else {
            //println("Adding entry "+itPath)
            cp.entries += new Library(fileReference(itPath))
            alreadyAddedLibPath.put(itPath, true)
          }
        }

        //fileTree(dir: "$jalviewDir/$utilsDir", include: ["test*/*.jar"]).each {
        sourceSets.test.compileClasspath.findAll { it.name.endsWith(".jar") }.each {
          //no longer want to add outputDir as eclipse is using its own output dir in bin/main
          if (it.isDirectory() || ! it.exists()) {
            // don't add dirs to classpath
            return false // groovy "break" in .each closure
          }
          def itPath = it.toString()
          if (itPath.startsWith("${jalviewDirAbsolutePath}/")) {
            itPath = itPath.substring(jalviewDirAbsolutePath.length()+1)
          }
          if (alreadyAddedLibPath.get(itPath)) {
            // don't duplicate
          } else {
            def lib = new Library(fileReference(itPath))
            lib.entryAttributes["test"] = "true"
            cp.entries += lib
            alreadyAddedLibPath.put(itPath, true)
          }
        }

      } // whenMerged

    } // file

    containers 'org.eclipse.buildship.core.gradleclasspathcontainer'

  } // classpath

  jdt {
    // for the IDE, use java 11 compatibility
    sourceCompatibility = compile_source_compatibility
    targetCompatibility = compile_target_compatibility
    javaRuntimeName = eclipse_java_runtime_name

    // add in jalview project specific properties/preferences into eclipse core preferences
    file {
      withProperties { props ->
        def jalview_prefs = new Properties()
        def ins = new FileInputStream("${jalviewDirAbsolutePath}/${eclipse_extra_jdt_prefs_file}")
        jalview_prefs.load(ins)
        ins.close()
        jalview_prefs.forEach { t, v ->
          if (props.getAt(t) == null) {
            props.putAt(t, v)
          }
        }
      }
    }

  } // jdt

}

task cloverInstr() {
  // only instrument source, we build test classes as normal
  inputs.files files (sourceSets.main.allJava) // , fileTree(dir:"$jalviewDir/$testSourceDir", include: ["**/*.java"]))
  outputs.dir cloverInstrDir

  doFirst {
    delete cloverInstrDir
    def argsList = ["--initstring", "${buildDir}/clover/clover.db",
    "-d", "${buildDir}/${cloverSourcesInstrDir}"]
    argsList.addAll(inputs.files.files.collect({ file ->
      file.absolutePath
    }))
    String[] args = argsList.toArray()
    println("About to instrument "+args.length +" files")
    com.atlassian.clover.CloverInstr.mainImpl(args)
  }
}


task cloverReport {
  group = "Verification"
    description = "Createst the Clover report"
    inputs.dir "${buildDir}/clover"
    outputs.dir "${reportsDir}/clover"
    onlyIf {
      file("${buildDir}/clover/clover.db").exists()
    }
  doFirst {
    def argsList = ["--initstring", "${buildDir}/clover/clover.db",
    "-o", "${reportsDir}/clover"]
    String[] args = argsList.toArray()
    com.atlassian.clover.reporters.html.HtmlReporter.runReport(args)

    // and generate ${reportsDir}/clover/clover.xml
    args = ["--initstring", "${buildDir}/clover/clover.db",
    "-o", "${reportsDir}/clover/clover.xml"].toArray()
    com.atlassian.clover.reporters.xml.XMLReporter.runReport(args)
  }
}

// end clover bits


compileJava {

  doFirst {
    sourceCompatibility = compile_source_compatibility
    targetCompatibility = compile_target_compatibility
    options.compilerArgs = additional_compiler_args
    print ("Setting target compatibility to "+targetCompatibility+"\n")
  }

}

compileTestJava {
  if (use_clover) {
    dependsOn compileCloverJava
    classpath += configurations.cloverRuntime
  } else {
    classpath += sourceSets.main.runtimeClasspath
  }
  doFirst {
    sourceCompatibility = compile_source_compatibility
    targetCompatibility = compile_target_compatibility
    options.compilerArgs = additional_compiler_args
    print ("Setting target compatibility to "+targetCompatibility+"\n")
  }
}


compileCloverJava {

  doFirst {
    sourceCompatibility = compile_source_compatibility
    targetCompatibility = compile_target_compatibility
    options.compilerArgs += additional_compiler_args
    print ("Setting target compatibility to "+targetCompatibility+"\n")
  }
  classpath += configurations.cloverRuntime
}

clean {
  doFirst {
    delete sourceSets.main.java.outputDir
  }
}

cleanTest {
  doFirst {
    delete sourceSets.test.java.outputDir
    delete cloverInstrDir
  }
}

// format is a string like date.format("dd MMMM yyyy")
def getDate(format) {
  def date = new Date()
  return date.format(format)
}

task setGitVals {
  def hashStdOut = new ByteArrayOutputStream()
  exec {
    commandLine "git", "rev-parse", "--short", "HEAD"
    standardOutput = hashStdOut
    ignoreExitValue true
  }

  def branchStdOut = new ByteArrayOutputStream()
  exec {
    commandLine "git", "rev-parse", "--abbrev-ref", "HEAD"
    standardOutput = branchStdOut
    ignoreExitValue true
  }

  project.ext.gitHash = hashStdOut.toString().trim()
  project.ext.gitBranch = branchStdOut.toString().trim()

  outputs.upToDateWhen { false }
}

task createBuildProperties(type: WriteProperties) {
  dependsOn setGitVals
  inputs.dir("${jalviewDir}/${sourceDir}")
  inputs.dir("${classes}")
  inputs.dir("${jalviewDir}/${resourceDir}")
  outputFile (buildProperties)
  // taking time specific comment out to allow better incremental builds
  comment "--Jalview Build Details--\n"+getDate("yyyy-MM-dd HH:mm:ss")
  //comment "--Jalview Build Details--\n"+getDate("yyyy-MM-dd")
  property "BUILD_DATE", getDate("HH:mm:ss dd MMMM yyyy")
  property "VERSION", JALVIEW_VERSION
  property "INSTALLATION", INSTALLATION+" git-commit:"+project.ext.gitHash+" ["+project.ext.gitBranch+"]"
  outputs.file(outputFile)
}

def buildingHTML = "${jalviewDir}/${docDir}/building.html"
task cleanBuildingHTML(type: Delete) {
  doFirst {
    delete buildingHTML
  }
}

task convertBuildingMD(type: Exec) {
  dependsOn cleanBuildingHTML
  def buildingMD = "${jalviewDir}/${docDir}/building.md"
  def css = "${jalviewDir}/${docDir}/github.css"

  def pandoc = null
  pandoc_exec.split(",").each {
    if (file(it.trim()).exists()) {
      pandoc = it.trim()
      return true
    }
  }

  def hostname = "hostname".execute().text.trim()
  if ((pandoc == null || ! file(pandoc).exists()) && hostname.equals("jv-bamboo")) {
    pandoc = System.getProperty("user.home")+"/buildtools/pandoc/bin/pandoc"
  }

  doFirst {
    if (pandoc != null && file(pandoc).exists()) {
        commandLine pandoc, '-s', '-o', buildingHTML, '--metadata', 'pagetitle="Building Jalview from Source"', '--toc', '-H', css, buildingMD
    } else {
        println("Cannot find pandoc. Skipping convert building.md to HTML")
        throw new StopExecutionException()
    }
  }

  ignoreExitValue true

  inputs.file(buildingMD)
  inputs.file(css)
  outputs.file(buildingHTML)
}

clean {
  doFirst {
    delete buildingHTML
  }
}

task syncDocs(type: Sync) {
  dependsOn convertBuildingMD
  def syncDir = "${classes}/${docDir}"
  from fileTree("${jalviewDir}/${docDir}")
  into syncDir

}

def helpFile = "${classes}/${helpDir}/help.jhm"

task copyHelp(type: Copy) {
  def inputDir = "${jalviewDir}/${helpParentDir}/${helpDir}"
  def outputDir = "${classes}/${helpDir}"
  from(inputDir) {
    exclude '**/*.gif'
      exclude '**/*.jpg'
      exclude '**/*.png'
      filter(ReplaceTokens, beginToken: '$$', endToken: '$$', tokens: ['Version-Rel': JALVIEW_VERSION,'Year-Rel': getDate("yyyy")])
  }
  from(inputDir) {
    include '**/*.gif'
    include '**/*.jpg'
    include '**/*.png'
  }
  into outputDir

  inputs.dir(inputDir)
  outputs.files(helpFile)
  outputs.dir(outputDir)
}

task syncLib(type: Sync) {
  def syncDir = "${classes}/${libDistDir}"
  from fileTree("${jalviewDir}/${libDistDir}")
  into syncDir
}

task syncResources(type: Sync) {
  from "${jalviewDir}/${resourceDir}"
  include "**/*.*"
  into "${classes}"
  preserve {
    include "**"
  }
}

task prepare {
  dependsOn syncResources
  dependsOn syncDocs
  dependsOn copyHelp
}


//testReportDirName = "test-reports" // note that test workingDir will be $jalviewDir
test {
  dependsOn prepare
  dependsOn compileJava
  if (use_clover) {
    dependsOn cloverInstr
  }

  if (use_clover) {
    print("Running tests " + (use_clover?"WITH":"WITHOUT") + " clover [clover="+use_clover+"]\n")
  }

  useTestNG() {
    includeGroups testngGroups
    preserveOrder true
    useDefaultListeners=true
  }

  workingDir = jalviewDir
  //systemProperties 'clover.jar' System.properties.clover.jar
  sourceCompatibility = compile_source_compatibility
  targetCompatibility = compile_target_compatibility
  jvmArgs += additional_compiler_args

}

task buildIndices(type: JavaExec) {
  dependsOn copyHelp
  classpath = sourceSets.main.compileClasspath
  main = "com.sun.java.help.search.Indexer"
  workingDir = "${classes}/${helpDir}"
  def argDir = "html"
  args = [ argDir ]
  inputs.dir("${workingDir}/${argDir}")

  outputs.dir("${classes}/doc")
  outputs.dir("${classes}/help")
  outputs.file("${workingDir}/JavaHelpSearch/DOCS")
  outputs.file("${workingDir}/JavaHelpSearch/DOCS.TAB")
  outputs.file("${workingDir}/JavaHelpSearch/OFFSETS")
  outputs.file("${workingDir}/JavaHelpSearch/POSITIONS")
  outputs.file("${workingDir}/JavaHelpSearch/SCHEMA")
  outputs.file("${workingDir}/JavaHelpSearch/TMAP")
}

task compileLinkCheck(type: JavaCompile) {
  options.fork = true
  classpath = files("${jalviewDir}/${utilsDir}")
  destinationDir = file("${jalviewDir}/${utilsDir}")
  source = fileTree(dir: "${jalviewDir}/${utilsDir}", include: ["HelpLinksChecker.java", "BufferedLineReader.java"])

  inputs.file("${jalviewDir}/${utilsDir}/HelpLinksChecker.java")
  inputs.file("${jalviewDir}/${utilsDir}/HelpLinksChecker.java")
  outputs.file("${jalviewDir}/${utilsDir}/HelpLinksChecker.class")
  outputs.file("${jalviewDir}/${utilsDir}/BufferedLineReader.class")
}

def helplinkscheckertouchfile = file("${jalviewDir}/${utilsDir}/HelpLinksChecker.touch")
task linkCheck(type: JavaExec) {
  dependsOn prepare, compileLinkCheck
  classpath = files("${jalviewDir}/${utilsDir}")
  main = "HelpLinksChecker"
  workingDir = jalviewDir
  def help = "${classes}/${helpDir}"
  args = [ "${classes}/${helpDir}", "-nointernet" ]

  doLast {
    helplinkscheckertouchfile.createNewFile()
  }

  inputs.dir("${classes}/${helpDir}")
  outputs.file(helplinkscheckertouchfile)
}

// import the pubhtmlhelp target
ant.properties.basedir = "${jalviewDir}"
ant.properties.helpBuildDir = "${jalviewDirAbsolutePath}/${classes}/${helpDir}"
ant.importBuild "${utilsDir}/publishHelp.xml"


task cleanPackageDir(type: Delete) {
  doFirst {
    delete fileTree(dir: "${jalviewDir}/${packageDir}", include: "*.jar")
  }
}

jar {
  dependsOn linkCheck
  dependsOn buildIndices
  dependsOn createBuildProperties

  manifest {
    attributes "Main-Class": mainClass,
    "Permissions": "all-permissions",
    "Application-Name": "Jalview Desktop",
    "Codebase": application_codebase
  }

  destinationDir = file("${jalviewDir}/${packageDir}")
  archiveName = rootProject.name+".jar"

  exclude "cache*/**"
  exclude "*.jar"
  exclude "*.jar.*"
  exclude "**/*.jar"
  exclude "**/*.jar.*"

  inputs.dir("${classes}")
  outputs.file("${jalviewDir}/${packageDir}/${archiveName}")
}

task copyJars(type: Copy) {
  from fileTree(dir: "${classes}", include: "**/*.jar").files
  into "${jalviewDir}/${packageDir}"
}

// doing a Sync instead of Copy as Copy doesn't deal with "outputs" very well
task syncJars(type: Sync) {
  from fileTree(dir: "${jalviewDir}/${libDistDir}", include: "**/*.jar").files
  into "${jalviewDir}/${packageDir}"
  preserve {
    include jar.archiveName
  }
}

task makeDist {
  group = "build"
  description = "Put all required libraries in dist"
  // order of "cleanPackageDir", "copyJars", "jar" important!
  jar.mustRunAfter cleanPackageDir
  syncJars.mustRunAfter cleanPackageDir
  dependsOn cleanPackageDir
  dependsOn syncJars
  dependsOn jar
  outputs.dir("${jalviewDir}/${packageDir}")
}

task cleanDist {
  dependsOn cleanPackageDir
  dependsOn cleanTest
  dependsOn clean
}

shadowJar {
  group = "distribution"
  if (buildDist) {
    dependsOn makeDist
  }
  from ("${jalviewDir}/${libDistDir}") {
    include("*.jar")
  }
  manifest {
    attributes 'Implementation-Version': JALVIEW_VERSION
  }
  mainClassName = shadowJarMainClass
  mergeServiceFiles()
  classifier = "all-"+JALVIEW_VERSION+"-j"+JAVA_VERSION
  minimize()
}

task getdownWebsite() {
  group = "distribution"
  description = "Create the getdown minimal app folder, and website folder for this version of jalview. Website folder also used for offline app installer"
  if (buildDist) {
    dependsOn makeDist
  }

  def getdownWebsiteResourceFilenames = []
  def getdownTextString = ""
  def getdownResourceDir = project.ext.getdownResourceDir
  def getdownAppDir = project.ext.getdownAppDir
  def getdownResourceFilenames = []

  doFirst {
    // clean the getdown website and files dir before creating getdown folders
    delete project.ext.getdownWebsiteDir
    delete project.ext.getdownFilesDir

    copy {
      from buildProperties
      rename(buildPropertiesFile, getdown_build_properties)
      into project.ext.getdownAppDir
    }
    getdownWebsiteResourceFilenames += "${getdown_app_dir}/${getdown_build_properties}"

    // go through properties looking for getdown_txt_...
    def props = project.properties.sort { it.key }
    if (getdown_alt_java_min_version.length() > 0) {
      props.put("getdown_txt_java_min_version", getdown_alt_java_min_version)
    }
    if (getdown_alt_java_max_version.length() > 0) {
      props.put("getdown_txt_java_max_version", getdown_alt_java_max_version)
    }
    props.put("getdown_txt_multi_java_location", getdown_alt_multi_java_location)

    props.put("getdown_txt_appbase", getdown_app_base)
    props.each{ prop, val ->
      if (prop.startsWith("getdown_txt_") && val != null) {
        if (prop.startsWith("getdown_txt_multi_")) {
          def key = prop.substring(18)
          val.split(",").each{ v ->
            def line = "${key} = ${v}\n"
            getdownTextString += line
          }
        } else {
          // file values rationalised
          if (val.indexOf('/') > -1 || prop.startsWith("getdown_txt_resource")) {
            def r = null
            if (val.indexOf('/') == 0) {
              // absolute path
              r = file(val)
            } else if (val.indexOf('/') > 0) {
              // relative path (relative to jalviewDir)
              r = file( "${jalviewDir}/${val}" )
            }
            if (r.exists()) {
              val = "${getdown_resource_dir}/" + r.getName()
              getdownWebsiteResourceFilenames += val
              getdownResourceFilenames += r.getPath()
            }
          }
          if (! prop.startsWith("getdown_txt_resource")) {
            def line = prop.substring(12) + " = ${val}\n"
            getdownTextString += line
          }
        }
      }
    }

    getdownWebsiteResourceFilenames.each{ filename ->
      getdownTextString += "resource = ${filename}\n"
    }
    getdownResourceFilenames.each{ filename ->
      copy {
        from filename
        into project.ext.getdownResourceDir
      }
    }

    def codeFiles = []
    fileTree(file(packageDir)).each{ f ->
      if (f.isDirectory()) {
        def files = fileTree(dir: f, include: ["*"]).getFiles()
        codeFiles += files
      } else if (f.exists()) {
        codeFiles += f
      }
    }
    codeFiles.sort().each{f ->
      def name = f.getName()
      def line = "code = ${getdown_app_dir}/${name}\n"
      getdownTextString += line
      copy {
        from f.getPath()
        into project.ext.getdownAppDir
      }
    }

    // NOT USING MODULES YET, EVERYTHING SHOULD BE IN dist
    /*
    if (JAVA_VERSION.equals("11")) {
    def j11libFiles = fileTree(dir: "${jalviewDir}/${j11libDir}", include: ["*.jar"]).getFiles()
    j11libFiles.sort().each{f ->
    def name = f.getName()
    def line = "code = ${getdown_j11lib_dir}/${name}\n"
    getdownTextString += line
    copy {
    from f.getPath()
    into project.ext.getdownJ11libDir
    }
    }
    }
     */

    // getdown-launcher.jar should not be in main application class path so the main application can move it when updated.  Listed as a resource so it gets updated.
    //getdownTextString += "class = " + file(getdownLauncher).getName() + "\n"
    getdownTextString += "resource = ${getdown_launcher_new}\n"
    getdownTextString += "class = ${mainClass}\n"

    def getdown_txt = file("${project.ext.getdownWebsiteDir}/getdown.txt")
    getdown_txt.write(getdownTextString)

    def launch_jvl = file("${project.ext.getdownWebsiteDir}/${getdown_launch_jvl}")
    launch_jvl.write("appbase="+props.get("getdown_txt_appbase"))

    copy {
      from getdownLauncher
      rename(file(getdownLauncher).getName(), getdown_launcher_new)
      into project.ext.getdownWebsiteDir
    }

    copy {
      from getdownLauncher
      if (file(getdownLauncher).getName() != getdown_launcher) {
        rename(file(getdownLauncher).getName(), getdown_launcher)
      }
      into project.ext.getdownWebsiteDir
    }

    if (! (CHANNEL.startsWith("ARCHIVE") || CHANNEL.startsWith("DEVELOP"))) {
      copy {
        from getdown_txt
        from getdownLauncher
        from "${getdownWebsiteDir}/${getdown_build_properties}"
        if (file(getdownLauncher).getName() != getdown_launcher) {
          rename(file(getdownLauncher).getName(), getdown_launcher)
        }
        into getdownInstallDir
      }

      copy {
        from getdownInstallDir
        into getdownFilesInstallDir
      }
    }

    copy {
      from getdown_txt
      from launch_jvl
      from getdownLauncher
      from "${getdownWebsiteDir}/${getdown_build_properties}"
      if (file(getdownLauncher).getName() != getdown_launcher) {
        rename(file(getdownLauncher).getName(), getdown_launcher)
      }
      into getdownFilesDir
    }

    copy {
      from getdownResourceDir
      into "${project.ext.getdownFilesDir}/${getdown_resource_dir}"
    }
  }

  if (buildDist) {
    inputs.dir("${jalviewDir}/${packageDir}")
  }
  outputs.dir(project.ext.getdownWebsiteDir)
  outputs.dir(project.ext.getdownFilesDir)
}

task getdownDigest(type: JavaExec) {
  group = "distribution"
  description = "Digest the getdown website folder"
  dependsOn getdownWebsite
  doFirst {
    classpath = files("${getdownWebsiteDir}/${getdown_launcher}")
  }
  main = "com.threerings.getdown.tools.Digester"
  args project.ext.getdownWebsiteDir
  inputs.dir(project.ext.getdownWebsiteDir)
  outputs.file("${project.ext.getdownWebsiteDir}/digest2.txt")
}

task getdown() {
  group = "distribution"
  description = "Create the minimal and full getdown app folder for installers and website and create digest file"
  dependsOn getdownDigest
  doLast {
    if (reportRsyncCommand) {
      def fromDir = getdownWebsiteDir + (getdownWebsiteDir.endsWith('/')?'':'/')
      def toDir = "${getdown_rsync_dest}/${getdownDir}" + (getdownDir.endsWith('/')?'':'/')
      println "LIKELY RSYNC COMMAND:"
      println "mkdir -p '$toDir'\nrsync -avh --delete '$fromDir' '$toDir'"
      if (RUNRSYNC == "true") {
        exec {
          commandLine "mkdir", "-p", toDir
        }
        exec {
          commandLine "rsync", "-avh", "--delete", fromDir, toDir
        }
      }
    }
  }
}

clean {
  doFirst {
    delete project.ext.getdownWebsiteDir
    delete project.ext.getdownFilesDir
  }
}

install4j {
  def install4jHomeDir = "/opt/install4j"
  def hostname = "hostname".execute().text.trim()
  if (hostname.equals("jv-bamboo")) {
    install4jHomeDir = System.getProperty("user.home")+"/buildtools/install4j"
  } else if (OperatingSystem.current().isMacOsX()) {
    install4jHomeDir = '/Applications/install4j.app/Contents/Resources/app'
    if (! file(install4jHomeDir).exists()) {
      install4jHomeDir = System.getProperty("user.home")+install4jHomeDir
    }
  } else if (OperatingSystem.current().isLinux()) {
    install4jHomeDir = System.getProperty("user.home")+"/buildtools/install4j"
  }
  installDir = file(install4jHomeDir)
  mediaTypes = Arrays.asList(install4jMediaTypes.split(","))
  if (install4jFaster.equals("true")) {
    faster = true
  }
}

def install4jConf
def macosJavaVMDir
def macosJavaVMTgz
def windowsJavaVMDir
def windowsJavaVMTgz
def install4jDir = "${jalviewDir}/${install4jResourceDir}"
def install4jConfFile = "jalview-installers-java${JAVA_VERSION}.install4j"
install4jConf = "${install4jDir}/${install4jConfFile}"

task copyInstall4jTemplate(type: Copy) {
  macosJavaVMDir = "${System.env.HOME}/buildtools/jre/openjdk-java_vm/getdown/macos-jre${JAVA_VERSION}/jre"
  macosJavaVMTgz = "${System.env.HOME}/buildtools/jre/openjdk-java_vm/install4j/tgz/macos-jre${JAVA_VERSION}.tar.gz"
  windowsJavaVMDir = "${System.env.HOME}/buildtools/jre/openjdk-java_vm/getdown/windows-jre${JAVA_VERSION}/jre"
  windowsJavaVMTgz = "${System.env.HOME}/buildtools/jre/openjdk-java_vm/install4j/tgz/windows-jre${JAVA_VERSION}.tar.gz"
  from (install4jDir) {
    include install4jTemplate
    rename (install4jTemplate, install4jConfFile)
    filter(ReplaceTokens, beginToken: '', endToken: '', tokens: ['9999999999': JAVA_VERSION])
    filter(ReplaceTokens, beginToken: '$$', endToken: '$$',
    tokens: [
    'JAVA_VERSION': JAVA_VERSION,
    'JAVA_INTEGER_VERSION': JAVA_INTEGER_VERSION,
    'VERSION': JALVIEW_VERSION,
    'MACOS_JAVA_VM_DIR': macosJavaVMDir,
    'MACOS_JAVA_VM_TGZ': macosJavaVMTgz,
    'WINDOWS_JAVA_VM_DIR': windowsJavaVMDir,
    'WINDOWS_JAVA_VM_TGZ': windowsJavaVMTgz,
    'INSTALL4JINFOPLISTFILEASSOCIATIONS': install4jInfoPlistFileAssociations,
    'COPYRIGHT_MESSAGE': install4jCopyrightMessage,
    'MACOS_BUNDLE_ID': install4jMacOSBundleId,
    'GETDOWN_RESOURCE_DIR': getdown_resource_dir,
    'GETDOWN_DIST_DIR': getdown_app_dir,
    'GETDOWN_ALT_DIR': getdown_app_dir_alt,
    'GETDOWN_INSTALL_DIR': getdown_install_dir
    ]
    )
    if (OSX_KEYPASS=="") {
      filter(ReplaceTokens, beginToken: 'codeSigning macEnabled="', endToken: '"', tokens: ['true':'codeSigning macEnabled="false"'])
      filter(ReplaceTokens, beginToken: 'runPostProcessor="true" ',endToken: 'Processor', tokens: ['post':'runPostProcessor="false" postProcessor'])
    }
  }
  into install4jDir
  outputs.files(install4jConf)

  doLast {
    // include file associations in installer
    def installerFileAssociationsXml = file("${install4jDir}/${install4jInstallerFileAssociations}").text
    ant.replaceregexp(
      byline: false,
      flags: "s",
      match: '<action name="EXTENSIONS_REPLACED_BY_GRADLE".*?</action>',
      replace: installerFileAssociationsXml,
      file: install4jConf
    )
    /*
    // include uninstaller applescript app files in dmg
    def installerDMGUninstallerXml = file("$install4jDir/$install4jDMGUninstallerAppFiles").text
    ant.replaceregexp(
    byline: false,
    flags: "s",
    match: '<file name="UNINSTALL_OLD_JALVIEW_APP_REPLACED_IN_GRADLE" file=.*?>',
    replace: installerDMGUninstallerXml,
    file: install4jConf
    )
     */
  }
}

task installers(type: com.install4j.gradle.Install4jTask) {
  group = "distribution"
  description = "Create the install4j installers"
  dependsOn getdown
  dependsOn copyInstall4jTemplate
  projectFile = file(install4jConf)
  variables = [majorVersion: version.substring(2, 11), build: 001, OSX_KEYSTORE: OSX_KEYSTORE, JSIGN_SH: JSIGN_SH]
  destination = "${jalviewDir}/${install4jBuildDir}/${JAVA_VERSION}"
  buildSelected = true

  if (OSX_KEYPASS) {
    macKeystorePassword=OSX_KEYPASS
  }

  doFirst {
    println("Using projectFile "+projectFile)
  }

  inputs.dir(project.ext.getdownWebsiteDir)
  inputs.file(install4jConf)
  inputs.dir(macosJavaVMDir)
  inputs.dir(windowsJavaVMDir)
  outputs.dir("${jalviewDir}/${install4jBuildDir}/${JAVA_VERSION}")
}

clean {
  doFirst {
    delete install4jConf
  }
}

task sourceDist (type: Tar) {
  
  def VERSION_UNDERSCORES = JALVIEW_VERSION.replaceAll("\\.", "_")
  def outputFileName = "${project.name}_${VERSION_UNDERSCORES}.tar.gz"
  // cater for buildship < 3.1 [3.0.1 is max version in eclipse 2018-09]
  try {
    archiveFileName = outputFileName
  } catch (Exception e) {
    archiveName = outputFileName
  }
  
  compression Compression.GZIP
  
  into project.name

  def EXCLUDE_FILES=["build/*","bin/*","test-output/","test-reports","tests","clover*/*"
  ,".*"
  ,"benchmarking/*"
  ,"**/.*"
  ,"*.class"
  ,"**/*.class","${j11modDir}/**/*.jar","appletlib","**/*locales"
  ,"*locales/**",
  ,"utils/InstallAnywhere"] 
  def PROCESS_FILES=[   "AUTHORS",
  "CITATION",
  "FEATURETODO",
  "JAVA-11-README",
  "FEATURETODO",
  "LICENSE",
  "**/README",
  "RELEASE",
  "THIRDPARTYLIBS","TESTNG",
  "build.gradle",
  "gradle.properties",
  "**/*.java",
  "**/*.html",
  "**/*.xml",
  "**/*.gradle",
  "**/*.groovy",
  "**/*.properties",
  "**/*.perl",
  "**/*.sh"]

  from(jalviewDir) {
    exclude (EXCLUDE_FILES)
    include (PROCESS_FILES)
    filter(ReplaceTokens, beginToken: '$$', endToken: '$$', tokens: ['Version-Rel': JALVIEW_VERSION,'Year-Rel': getDate("yyyy")])
  }
  from(jalviewDir) {
    exclude (EXCLUDE_FILES)
    exclude (PROCESS_FILES)
  exclude ("appletlib")
  exclude ("**/*locales")
  exclude ("*locales/**")
  exclude ("utils/InstallAnywhere")

    exclude (getdown_files_dir)
  exclude (getdown_website_dir)

  // exluding these as not using jars as modules yet
  exclude ("${j11modDir}/**/*.jar")
}
//  from (jalviewDir) {
//    // explicit includes for stuff that seemed to not get included
//    include(fileTree("test/**/*."))
//    exclude(EXCLUDE_FILES)
//    exclude(PROCESS_FILES)
//  }
}

task helppages  {
  dependsOn copyHelp
  dependsOn pubhtmlhelp
  
  inputs.dir("${classes}/${helpDir}")
  outputs.dir("${helpOutputDir}")
}

def jalviewjsBuildDir
def jalviewjsSiteDir
def jalviewjsTransferSiteDir
task jalviewjsSitePath {
  def relativeBuildDir = file(jalviewDirAbsolutePath).toPath().relativize(buildDir.toPath())
  jalviewjsBuildDir = "${relativeBuildDir}/jalviewjs"
  if (jalviewjs_site_dir.startsWith('/')) {
    jalviewjsSiteDir = jalviewjs_site_dir
  } else {
    jalviewjsSiteDir = "${jalviewjsBuildDir}/${jalviewjs_site_dir}"
  }
  jalviewjsTransferSiteDir = "${jalviewjsBuildDir}/tmp/site"
}

def eclipseWorkspace
task jalviewjsSetEclipseWorkspace {
  def propKey = "jalviewjs_eclipse_workspace"
  def propVal = null
  if (project.hasProperty(propKey)) {
    propVal = project.getProperty(propKey)
    if (propVal.startsWith("~/")) {
      propVal = System.getProperty("user.home") + propVal.substring(1)
    }
  }
  def propsFileName = "${jalviewjsBuildDir}/${jalviewjs_eclipse_workspace_location_file}"
  def eclipseWsDir = propVal
  def props = new Properties()

  if (( eclipseWsDir == null || !file(eclipseWsDir).exists() ) && file(propsFileName).exists()) {
    def ins = new FileInputStream("${jalviewDirAbsolutePath}/${propsFileName}")
    props.load(ins)
    ins.close()
    if (props.getProperty(propKey, null) != null) {
      eclipseWsDir = props.getProperty(propKey)
    }
  }

  if (eclipseWsDir == null || !file(eclipseWsDir).exists()) {
    def tempDir = File.createTempDir()
    eclipseWsDir = tempDir.getAbsolutePath()
    props.setProperty(propKey, eclipseWsDir)
    def propsFile = file(propsFileName)
    propsFile.parentFile.mkdirs()
    propsFile.createNewFile() // doesn't affect existing file
    def outs = new FileOutputStream(propsFile, false)
    props.store(outs, null)
    outs.close()
  }

  eclipseWorkspace = file(eclipseWsDir)

  doFirst {
    println("ECLIPSE WORKSPACE: "+eclipseWorkspace.getPath())
  }
  inputs.property(propKey, eclipseWsDir)
  outputs.file(propsFileName)
}


def eclipseDropinsDir
def utilsDropinsDir
def eclipseBinary
def eclipseVersion
def eclipseDebug = false
def eclipseVersionSuffix = ""
task jalviewjsEclipsePaths {
  def eclipseProduct

  def eclipseRoot = jalviewjs_eclipse_root
  if (eclipseRoot.startsWith("~/")) {
    eclipseRoot = System.getProperty("user.home") + eclipseRoot.substring(1)
  }
  if (OperatingSystem.current().isMacOsX()) {
    eclipseRoot += "/Eclipse.app"
    eclipseDropinsDir = "${eclipseRoot}/Contents/Eclipse/dropins"
    eclipseBinary = "${eclipseRoot}/Contents/MacOS/eclipse"
    eclipseProduct = "${eclipseRoot}/Contents/Eclipse/.eclipseproduct"
  } else if (OperatingSystem.current().isWindows()) { // check these paths!!
    if (file("${eclipseRoot}/eclipse").isDirectory() && file("${eclipseRoot}/eclipse/.eclipseproduct").exists()) {
      eclipseRoot += "/eclipse"
    }
    eclipseDropinsDir = "${eclipseRoot}/dropins"
    eclipseBinary = "${eclipseRoot}/eclipse"
    eclipseProduct = "${eclipseRoot}/.eclipseproduct"
  } else { // linux or unix
    if (file("${eclipseRoot}/eclipse").isDirectory() && file("${eclipseRoot}/eclipse/.eclipseproduct").exists()) {
      eclipseRoot += "/eclipse"
    }
    eclipseDropinsDir = "${eclipseRoot}/dropins"
    eclipseBinary = "${eclipseRoot}/eclipse"
    eclipseProduct = "${eclipseRoot}/.eclipseproduct"
  }

  eclipseVersion = "4.12" // default
  def assumedVersion = true
  if (file(eclipseProduct).exists()) {
    def fis = new FileInputStream(eclipseProduct)
    def props = new Properties()
    props.load(fis)
    eclipseVersion = props.getProperty("version")
    fis.close()
    assumedVersion = false
  }
  /*
  String[] v = eclipseVersion.split("\\.")
  def v0 = Integer.valueOf(v[0])
  def v1 = Integer.valueOf(v[1])
  if (v0 < 4 || ( v0 == 4 && v1 < 13 )) {
    eclipseVersionSuffix = "_4.12"
  } else {
    eclipseVersionSuffix = "_4.13"
  }
  utilsDropinsDir = "${jalviewDir}/${jalviewjs_eclipse_dropins_dir}${eclipseVersionSuffix}"
  */

  utilsDropinsDir = "${jalviewDir}/${jalviewjs_eclipse_dropins_dir}"
  def propKey = "eclipse_debug"
  eclipseDebug = (project.hasProperty(propKey) && project.getProperty(propKey).equals("true"))

  doFirst {
    if (!assumedVersion) {
      println("ECLIPSE_VERSION=${eclipseVersion}")
    }
  }
}

task eclipseSetup {
  dependsOn eclipseProject
  dependsOn eclipseClasspath
  dependsOn eclipseJdt
}

/* using the Copy task below
task OLDjalviewjsEclipseCopyDropins {
  dependsOn jalviewjsEclipsePaths
  dependsOn jalviewjsCleanEclipse
  def inputFiles = fileTree(dir: utilsDropinsDir, include: "*.jar")
  inputFiles += file(jalviewjs_j2s_plugin)
  def outputDir = eclipseDropinsDir

  inputs.files inputFiles
  inputFiles.each { file ->
    outputs.file("${outputDir}/${file.name}")
  }

  doLast {
    inputFiles.each { file ->
      copy {
        from file
        into outputDir
      }
    }
  }
}
*/

// this version (type: Copy) will delete anything in the eclipse dropins folder that isn't in fromDropinsDir
task jalviewjsEclipseCopyDropins(type: Copy) {
  dependsOn jalviewjsEclipsePaths

  from utilsDropinsDir
  into eclipseDropinsDir

  doLast {
    copy {
      from jalviewjs_j2s_plugin
      into eclipseDropinsDir
    }
  }
}

// this eclipse -clean doesn't actually work
task jalviewjsCleanEclipse(type: Exec) {
  dependsOn eclipseSetup
  dependsOn jalviewjsEclipsePaths
  dependsOn jalviewjsEclipseCopyDropins

  executable(eclipseBinary)
  args(["-nosplash", "--launcher.suppressErrors", "-data", eclipseWorkspace.getPath(), "-clean", "-console", "-consoleLog"])
  if (eclipseDebug) {
    args += "-debug"
  }
  args += "-l"

  def inputString = """exit
y
"""
  def inputByteStream = new ByteArrayInputStream(inputString.getBytes())
  standardInput = inputByteStream

  doFirst {
    println("CLEAN ECLIPSE_DEBUG=${eclipseDebug}")
  }
}
/* not really working yet
jalviewjsEclipseCopyDropins.finalizedBy jalviewjsCleanEclipse
*/

task jalviewjsUnzipFiles {
  dependsOn jalviewjsSitePath

  def zipFiles = fileTree(dir: "${jalviewDir}/${jalviewjs_libjs_dir}", include: "*.zip")
  zipFiles += "${jalviewDir}/${jalviewjs_swingjs_zip}"

  doLast {
    zipFiles.each { file_zip -> 
      copy {
        from zipTree(file_zip)
        into "${jalviewDir}/${jalviewjsSiteDir}"
      }
    }
  }

  inputs.files zipFiles
  outputs.dir "${jalviewDir}/${jalviewjsSiteDir}"
}

task jalviewjsCreateJ2sSettings(type: WriteProperties) {
  dependsOn jalviewjsSitePath
  outputFile ("${jalviewDir}/${jalviewjs_j2s_settings}")
  def j2s_props = project.properties.findAll { it.key.startsWith("j2s.") }.sort { it.key }
  def siteDirProperty = "j2s.site.directory"
  def setSiteDir = false
  j2s_props.each { prop, val ->
    if (val != null) {
      if (prop == siteDirProperty) {
        if (!(val.startsWith('/') || val.startsWith("file://") )) {
          val = "${jalviewjsTransferSiteDir}/${val}"
        }
        setSiteDir = true
      }
      property(prop,val)
    }
    if (!setSiteDir) { // default site location, don't override specifically set property
      property(siteDirProperty,jalviewjsTransferSiteDir)
    }
  }
  inputs.properties(j2s_props)
  outputs.file(outputFile)
}

task jalviewjsEclipseSetup {
  dependsOn jalviewjsEclipseCopyDropins
  dependsOn jalviewjsSetEclipseWorkspace
  dependsOn jalviewjsCreateJ2sSettings
}

task jalviewjsCopyResources (type: Sync) {
  dependsOn jalviewjsSitePath
  def inputFiles = fileTree(dir: "${jalviewDir}/${resourceDir}")
  def outputDir = "${jalviewDir}/${jalviewjsSiteDir}/${jalviewjs_j2s_subdir}"

  from inputFiles
  into outputDir
  def outputFiles = []
  rename { filename ->
    outputFiles += "${outputDir}/${filename}"
    null
  }
  preserve {
    include "**"
  }
  outputs.files outputFiles
  inputs.files inputFiles
}

task jalviewjsCopySiteResources (type: Sync) {
  dependsOn jalviewjsSitePath
  def inputFiles = fileTree(dir: "${jalviewDir}/${jalviewjs_site_resource_dir}")
  def outputDir = "${jalviewDir}/${jalviewjsSiteDir}"

  from inputFiles
  into outputDir
  def outputFiles = []
  rename { filename ->
    outputFiles += "${outputDir}/${filename}"
    null
  }
  preserve {
    include "**"
  }
  outputs.files outputFiles
  inputs.files inputFiles
}

task jalviewjsProjectImport(type: Exec) {
  dependsOn eclipseSetup
  dependsOn jalviewjsEclipsePaths
  dependsOn jalviewjsEclipseSetup

  def projdir = eclipseWorkspace.getPath()+"/.metadata/.plugins/org.eclipse.core.resources/.projects/jalview/org.eclipse.jdt.core"
  executable(eclipseBinary)
  args(["-nosplash", "--launcher.suppressErrors", "-application", "com.seeq.eclipse.importprojects.headlessimport", "-data", eclipseWorkspace.getPath(), "-import", jalviewDirAbsolutePath])
  if (eclipseDebug) {
    args += "-debug"
  }
  // can we use args += ["--launcher.appendVmargs", "-vmargs", "-Dorg.eclipse.equinox.p2.reconciler.dropins.directory=utils/jalviewjs/eclipse/dropins"] here? (instead of copying plugins to eclipse dropins dir)

  doFirst {
    println("IMPORT ECLIPSE_DEBUG=${eclipseDebug}")
  }

  inputs.file("${jalviewDir}/.project")
  outputs.dir(projdir)
  outputs.upToDateWhen { file(projdir).exists() }
}

task jalviewjsTranspile(type: Exec) {
  dependsOn jalviewjsEclipseSetup 
  dependsOn jalviewjsProjectImport
  dependsOn jalviewjsEclipsePaths

  executable(eclipseBinary)
  args(["-nosplash", "--launcher.suppressErrors", "-application", "org.eclipse.jdt.apt.core.aptBuild", "-data", eclipseWorkspace, "-${jalviewjs_eclipse_build_arg}", eclipse_project_name ])
  if (eclipseDebug) {
    args += "-debug"
  }
  // can we use args += ["--launcher.appendVmargs", "-vmargs", "-Dorg.eclipse.equinox.p2.reconciler.dropins.directory=swingjs"] here? (instead of copying plugins to eclipse dropins dir)

  def stdout
  def stderr
  stdout = new ByteArrayOutputStream()
  stderr = new ByteArrayOutputStream()

  def logOutFileName = "${jalviewDirAbsolutePath}/${jalviewjsBuildDir}/${jalviewjs_j2s_stdout}"
  def logOutFile = file(logOutFileName)
  logOutFile.createNewFile()
  logOutFile.text = """ROOT: ${jalviewjs_eclipse_root}
BINARY: ${eclipseBinary}
VERSION: ${eclipseVersion}
WORKSPACE: ${eclipseWorkspace}
DEBUG: ${eclipseDebug}
----
"""
  def logOutFOS = new FileOutputStream(logOutFile, true) // true == append
  //def logErrFileName = "${jalviewjsBuildDir}/${jalviewjs_j2s_stderr}"
  //def logErrFile = file(logFileName)
  //logErrFile.createNewFile()
  //def logErrFOS = new FileErrputStream(logErrFile, false)
  // combine stdout and stderr
  def logErrFOS = logOutFOS

  if (jalviewjs_j2s_to_console.equals("true")) {
    standardOutput = new org.apache.tools.ant.util.TeeOutputStream(
      new org.apache.tools.ant.util.TeeOutputStream(
        logOutFOS,
        stdout),
      standardOutput)
      errorOutput = new org.apache.tools.ant.util.TeeOutputStream(
        new org.apache.tools.ant.util.TeeOutputStream(
          logErrFOS,
          stderr),
        errorOutput)
  } else {
    standardOutput = new org.apache.tools.ant.util.TeeOutputStream(
      logOutFOS,
      stdout)
      errorOutput = new org.apache.tools.ant.util.TeeOutputStream(
        logErrFOS,
        stderr)
  }

  doLast {
    if (stdout.toString().contains("Error processing ")) {
      // j2s did not complete transpile
      throw new GradleException("Error during transpilation:\n${stderr}\nSee eclipse transpile log file '${jalviewjsBuildDir}/${jalviewjs_j2s_stdout}'")
    }
  }

  doFirst {
    println("TRANSPILE ECLIPSE_DEBUG=${eclipseDebug}")
  }

  inputs.dir("${jalviewDir}/${sourceDir}")
  outputs.dir("${jalviewDir}/${eclipse_bin_dir}/main")
  outputs.dir("${jalviewDir}/${jalviewjsTransferSiteDir}")
  outputs.upToDateWhen { file("${jalviewDir}/${jalviewjsTransferSiteDir}${jalviewjs_server_resource}").exists() }

}

task jalviewjsCopyTransferSite(type: Copy) {
  dependsOn jalviewjsTranspile
  from "${jalviewDir}/${jalviewjsTransferSiteDir}"
  into "${jalviewDir}/${jalviewjsSiteDir}"
}

jalviewjsUnzipFiles.mustRunAfter jalviewjsCopyTransferSite
jalviewjsCopyResources.mustRunAfter jalviewjsCopyTransferSite
jalviewjsCopySiteResources.mustRunAfter jalviewjsCopyTransferSite

task jalviewjsPrepareSite {
  group "JalviewJS"
  description "Prepares the website folder including unzipping files and copying resources"
  dependsOn jalviewjsSitePath
  dependsOn jalviewjsUnzipFiles
  dependsOn jalviewjsCopyResources
  dependsOn jalviewjsCopySiteResources
}

task jalviewjsBuildSite {
  group "JalviewJS"
  description "Builds the whole website including transpiled code"
  dependsOn jalviewjsCopyTransferSite
  dependsOn jalviewjsPrepareSite
}

task cleanJalviewjsSite {
  doFirst {
    delete jalviewjsTransferSiteDir
    delete jalviewjsSiteDir
  }
}

task jalviewjsSiteTar(type: Tar) {
  group "JalviewJS"
  description "Creates a tar.gz file for the website"
  dependsOn jalviewjsBuildSite
  def outputFilename = "jalviewjs-site-${JALVIEW_VERSION}.tar.gz"
  try {
    archiveFileName = outputFilename
  } catch (Exception e) {
    archiveName = outputFilename
  }

  compression Compression.GZIP

  from jalviewjsSiteDir
  into jalviewjs_site_dir // this is inside the tar file

  inputs.dir(jalviewjsSiteDir)
}

task jalviewjsServer {
  group "JalviewJS"
  description "Starts a webserver on localhost to test the website"
  dependsOn jalviewjsSitePath
  def htmlFile = "${jalviewDirAbsolutePath}/jalviewjsTest.html"
  doLast {

    SimpleHttpFileServerFactory factory = new SimpleHttpFileServerFactory()
    def port = Integer.valueOf(jalviewjs_server_port)
    def start = port
    def running = false
    def url
    while(port < start+1000 && !running) {
      try {
        def doc_root = new File("${jalviewDirAbsolutePath}/${jalviewjsSiteDir}")
        def jalviewjsServer = factory.start(doc_root, port)
        running = true
        url = jalviewjsServer.getResourceUrl(jalviewjs_server_resource)
        println("SERVER STARTED with document root ${doc_root}.")
        println("Go to "+url+" . Run  gradle --stop  to stop (kills all gradle daemons).")
        println("For debug: "+url+"?j2sdebug")

        file(htmlFile).text = """
        <p><a href="${url}">Jalview JS Test. &lt;${url}&gt;</a></p>
        <p><a href="${url}?j2sdebug">Jalview JS Test with debug. &lt;${url}?j2sdebug&lt;</a></p>
        """

      } catch (Exception e) {
        port++;
      }
    }

  }

  outputs.file(htmlFile)
  outputs.upToDateWhen({false})
}

task cleanJalviewjsAll {
  group "JalviewJS"
  description "Delete all configuration and build artifacts to do with JalviewJS build"
  dependsOn cleanJalviewjsSite
  dependsOn jalviewjsEclipsePaths
  
  doFirst {
    delete jalviewjsBuildDir
    delete "${jalviewDir}/${eclipse_bin_dir}"
    if (eclipseWorkspace != null && file(eclipseWorkspace.getAbsolutePath()+"/.metadata").exists()) {
      delete file(eclipseWorkspace.getAbsolutePath()+"/.metadata")
    }
    delete "${jalviewDir}/${jalviewjs_j2s_settings}"
  }
}

task jalviewjs {
  group "JalviewJS"
  description "Build the site"
  dependsOn jalviewjsBuildSite
}


task jalviewjsIDECopyTransferSite(type: Copy) {
  from jalviewjsTransferSiteDir
  into jalviewjsSiteDir
}

task jalviewjsIDEj2s {
  group "JalviewJS in Eclipse"
  description "Creates the .j2s file"
  dependsOn jalviewjsCreateJ2sSettings
}

task jalviewjsIDEBuildSite {
  group "JalviewJS in Eclipse"
  description "Copies the Eclipse transpiled site and unzips supporting zipfiles"
  dependsOn jalviewjsIDECopyTransferSite
  dependsOn jalviewjsPrepareSite
}

task jalviewjsIDESiteClean {
  group "JalviewJS in Eclipse"
  description "Deletes the Eclipse transpiled site"
  dependsOn cleanJalviewjsSite
}

task jalviewjsIDEServer {
  group "JalviewJS in Eclipse"
  description "Starts a webserver on localhost to test the website"
  dependsOn jalviewjsServer
}