import com.github.jengelman.gradle.plugins.shadow.relocation.Relocator
import com.github.jengelman.gradle.plugins.shadow.transformers.ServiceFileTransformer
import groovy.xml.XmlUtil
import org.apache.tools.zip.ZipEntry
import org.apache.tools.zip.ZipOutputStream

import javax.tools.ToolProvider

group 'org.jetbrains.dokka'
version dokka_version

buildscript {
    dependencies {
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
        classpath 'com.github.jengelman.gradle.plugins:shadow:1.2.3'
    }
    repositories {
        jcenter()
        maven {
            url "https://dl.bintray.com/kotlin/kotlin-eap"
        }
    }
}

apply plugin: 'java'
apply plugin: 'kotlin'
apply plugin: 'com.github.johnrengelman.shadow'
apply plugin: 'maven-publish'
apply plugin: 'com.jfrog.bintray'

sourceCompatibility = 1.5

repositories {
    mavenCentral()
    maven {
        url "https://dl.bintray.com/kotlin/kotlin-eap"
    }
}

configurations {
    provided
}

dependencies {
    compile "com.google.inject:guice:4.0"
    compile "com.github.spullara.cli-parser:cli-parser:1.1.1"
    compile "org.jsoup:jsoup:1.8.3"
    compile "org.apache.ant:ant:1.9.6"

    compile group: 'org.jetbrains.kotlin', name: 'kotlin-runtime', version: kotlin_version
    compile group: 'org.jetbrains.kotlin', name: 'kotlin-reflect', version: kotlin_version

    compile files("../lib/intellij-core-analysis.jar")
    compile files("../lib/kotlin-compiler.jar")
    compile files("../lib/kotlin-ide-common.jar")
    compile files("../lib/markdown.jar")
    compile files("../lib/picocontainer.jar")

    provided files(((URLClassLoader) ToolProvider.getSystemToolClassLoader()).getURLs().findAll { it.path.endsWith("jar") })

    runtime "org.fusesource.jansi:jansi:1.11"

    runtime files("../lib/trove4j.jar")
    runtime files("../lib/jdom.jar")
    runtime files("../lib/protobuf-2.5.0-lite.jar")
    runtime files("../lib/asm-all.jar")
    runtime files("../lib/jps-model.jar")

    testCompile group: 'junit', name: 'junit', version: '4.11'
    testCompile group: 'org.jetbrains.kotlin', name: 'kotlin-test-junit', version: kotlin_version
}

tasks.withType(AbstractCompile) {
    classpath += configurations.provided
}

tasks.withType(Test) {
    classpath += configurations.provided
}

jar {
    manifest {
        attributes "Implementation-Title": "Dokka Kotlin Documentation tool"
        attributes "Implementation-Version": version
        attributes "Main-Class": "org.jetbrains.dokka.MainKt"
    }
}

class PluginXmlTransformer implements com.github.jengelman.gradle.plugins.shadow.transformers.Transformer {
    private Map<String, Node> transformedPluginXmlFiles = new HashMap<>();

    @Override
    boolean canTransformResource(FileTreeElement fileTreeElement) {
        return fileTreeElement.relativePath.segments.contains("META-INF") && fileTreeElement.name.endsWith(".xml")
    }

    @Override
    void transform(String path, InputStream inputStream, List<Relocator> relocators) {
        Node node = new XmlParser().parse(inputStream)
        relocateXml(node, relocators)
        transformedPluginXmlFiles.put(path, node)
    }

    @Override
    boolean hasTransformedResource() {
        return !transformedPluginXmlFiles.isEmpty()
    }

    @Override
    void modifyOutputStream(ZipOutputStream zipOutputStream) {
        for (Map.Entry<String, Node> entry : transformedPluginXmlFiles.entrySet()) {
            zipOutputStream.putNextEntry(new ZipEntry(entry.key))
            XmlUtil.serialize(entry.value, zipOutputStream)
        }
    }

    private static void relocateXml(Node node, List<Relocator> relocators) {
        Map attributes = node.attributes()
        for (Map.Entry entry : attributes.entrySet()) {
            entry.setValue(relocateClassName((String) entry.getValue(), relocators))
        }
        List<String> localText = node.localText()
        if (localText.size() == 1) {
            node.setValue(relocateClassName(localText[0], relocators))
        }
        node.children().each {
            if (it instanceof Node) {
                relocateXml((Node) it, relocators)
            }
        }
    }

    private static String relocateClassName(String className, List<Relocator> relocators) {
        for (Relocator relocator : relocators) {
            if (relocator.canRelocateClass(className)) {
                return relocator.relocateClass(className)
            }
        }
        return className
    }
}

shadowJar {
    baseName = 'dokka-fatjar'
    classifier = ''

    dependencies {
        exclude(dependency('org.apache.ant:ant:1.9.6'))
        exclude(dependency('org.apache.ant:ant-launcher:1.9.6'))
    }

    relocate('com.', 'dokkacom.') {
        exclude 'com.sun.**'
    }

    relocate('org.', 'dokkaorg.') {
        exclude 'org.jetbrains.dokka.**'
        exclude 'org.xml.**'
        exclude 'org.w3c.**'
        exclude 'org.jaxen.**'
        exclude 'org.apache.xerces.**'
        exclude 'org.apache.xml.**'
        exclude 'org.fusesource.jansi.**'
        exclude 'org.apache.tools.ant.**'
    }

    transform(ServiceFileTransformer)
    transform(PluginXmlTransformer)

    exclude 'colorScheme/**'
    exclude 'fileTemplates/**'
    exclude 'inspectionDescriptions/**'
    exclude 'intentionDescriptions/**'
}

publishing {
    publications {
        shadow(MavenPublication) {
            from components.shadow
            artifactId = 'dokka-fatjar'
        }
    }
}

bintray {
    user = System.getenv('BINTRAY_USER')
    key = System.getenv('BINTRAY_KEY')

    pkg {
        repo = dokka_eap.toBoolean() ? 'kotlin-eap' : 'dokka'
        name = 'dokka'
        userOrg = 'kotlin'
        desc = 'Dokka, the Kotlin documentation tool'
        vcsUrl = 'https://github.com/kotlin/dokka.git'
        licenses = ['Apache-2.0']
        version {
            name = dokka_version
        }
    }

    publications = ['shadow']
}