description 'Package Node as stand-alone application'

evaluationDependsOn(":node")
evaluationDependsOn(":docs")
evaluationDependsOn(":launcher")

ext {
    outputDir = "$buildDir/corda"
}

def tmpDir = "${buildDir}/tmp/"

configurations {
    launcherClasspath
}

// Define location of predefined startup scripts, license and README files
sourceSets {
    binFiles {
        resources {
            srcDir file('src/main/resources/bin')
        }
    }
    readmeFiles {
        resources {
            srcDir file('src/main/resources/readme')
        }
    }
}

// Runtime dependencies of launcher
dependencies {
    launcherClasspath project(':launcher')
    launcherClasspath "org.slf4j:jul-to-slf4j:$slf4j_version"
    launcherClasspath "org.apache.logging.log4j:log4j-slf4j-impl:${log4j_version}"
    launcherClasspath "org.apache.logging.log4j:log4j-web:${log4j_version}"

    // Required by JVM agents:
    launcherClasspath "com.google.guava:guava:$guava_version"
    launcherClasspath "de.javakaffee:kryo-serializers:0.41"
}

task copyLauncherLibs(type: Copy, dependsOn: [project(':launcher').jar]) {
    from configurations.launcherClasspath
    into "$buildDir/tmp/launcher-lib"
}

// The launcher building is done as it depends on application-specific settings which
// cannot be overridden later
task buildLauncher(type: Exec, dependsOn: [copyLauncherLibs]) {
    description 'Build Launcher executable'

    def isLinux = System.properties['os.name'].toLowerCase().contains('linux')
    def isMac = System.properties['os.name'].toLowerCase().contains('mac')

    if (!isLinux && !isMac)
        throw new GradleException("Preparing distribution package is currently only supported on Linux/Mac")

    def relativeDir
    if (isLinux)
        relativeDir = "launcher"
    else
        relativeDir = "launcher.app/Contents"

    def extraArgs = [
            "-BjvmOptions=-javaagent:../../lib/quasar-core-${quasar_version}-jdk8.jar=${project(':node:capsule').quasarExcludeExpression}",
            '-BuserJvmOptions=-Xmx=4g',
            '-BuserJvmOptions=-XX\\:=+UseG1GC',
            "-BjvmProperties=java.system.class.loader=${project(':launcher').loaderClassName}'}"
    ]

    ext {
        launcherBinDir = "${tmpDir}/bundles/$relativeDir"
    }

    workingDir project.projectDir

    doFirst {
        def launcherLib = copyLauncherLibs.destinationDir
        def srcfiles = []
        def launcherClasspath = []

        fileTree(launcherLib).forEach({ file ->
            srcfiles.add("-srcfiles")
            srcfiles.add(file.name)
            launcherClasspath.add(file.name)
        })

        commandLine = [
                'javapackager',
                '-deploy',
                '-nosign',
                '-native', 'image',
                '-outdir', "$tmpDir",
                '-outfile', 'launcher',
                '-name', 'launcher',
                "-BmainJar=${project(':launcher').jar.archiveName}",
                "-Bclasspath=${launcherClasspath.join(":")}",
                '-appclass', '${project(\':launcher\').launcherClassName}',
                '-srcdir', "$launcherLib"
        ] + srcfiles + extraArgs
    }

    // Add configuration for running Node application
    doLast {
        def nodeClasspath = []
        def libRelPath = "../lib/"

        project(':node').configurations.runtime.forEach({ file ->
            nodeClasspath.add(file.getName())
        })

        nodeClasspath.add(project(':node').jar.getName())

        new File("${launcherBinDir}/runtime.properties").text = [
                "libpath=${libRelPath}",
                "classpath=${nodeClasspath.join(':')}",
                "plugins=./drivers:./cordapps"].join("\n")
    }
}

task buildNode(type: Copy, dependsOn: [buildLauncher, project(':docs').tasks['makeDocs']]) {
    description 'Build stand-alone Corda Node distribution'

    into(outputDir)

    from(buildLauncher.launcherBinDir) {
        into("launcher")
    }

    from(project(':node').configurations.runtime) {
        into("lib")
    }

    from(project(':node').jar) {
        into("lib")
    }

    from(sourceSets.binFiles.resources) {
        into("bin")
    }

    from(sourceSets.readmeFiles.resources) {
        into(".")
    }

    from(project(':docs').buildDir) {
        into("docs")
    }

    doLast {
        new File("${outputDir}/cordapps").mkdirs()
        new File("${outputDir}/drivers").mkdirs()
        println ("Stand-alone Corda Node application available at:")
        println ("${outputDir}")
    }
}