/**
 * Produce Javadoc for all Spring Framework modules in "build/docs/javadoc"
 */
task api(type: Javadoc) {
	group = "Documentation"
	description = "Generates aggregated Javadoc API documentation."
	title = "${rootProject.description} ${version} API"

	dependsOn {
		moduleProjects.collect {
			it.tasks.getByName("jar")
		}
	}
	doFirst {
		classpath = files(
				// ensure the javadoc process can resolve types compiled from .aj sources
				project(":spring-aspects").sourceSets.main.output
		)
		classpath += files(moduleProjects.collect { it.sourceSets.main.compileClasspath })
	}

	options {
		encoding = "UTF-8"
		memberLevel = JavadocMemberLevel.PROTECTED
		author = true
		header = rootProject.description
		use = true
		overview = "src/docs/api/overview.html"
		stylesheetFile = file("src/docs/api/stylesheet.css")
		splitIndex = true
		links(project.ext.javadocLinks)
		addStringOption('Xdoclint:none', '-quiet')
		if(JavaVersion.current().isJava9Compatible()) {
			addBooleanOption('html5', true)
		}
	}
	source moduleProjects.collect { project ->
		project.sourceSets.main.allJava
	}
	maxMemory = "1024m"
	destinationDir = file("$buildDir/docs/javadoc")
}

/**
 * Produce KDoc for all Spring Framework modules in "build/docs/kdoc"
 */
dokka {
	dependsOn {
		tasks.getByName("api")
	}
	doFirst {
		classpath = moduleProjects.collect { project -> project.jar.outputs.files.getFiles() }.flatten()
		classpath += files(moduleProjects.collect { it.sourceSets.main.compileClasspath })
		sourceDirs = files(moduleProjects
				.findAll {
					it.pluginManager.hasPlugin("kotlin")
				}
				.collect { project ->
					def kotlinDirs = project.sourceSets.main.kotlin.srcDirs.collect()
					kotlinDirs -= project.sourceSets.main.java.srcDirs
				})
	}
	moduleName = "spring-framework"
	outputFormat = "html"
	outputDirectory = "$buildDir/docs/kdoc"

	externalDocumentationLink {
		url = new URL("https://docs.spring.io/spring-framework/docs/$version/javadoc-api/")
		packageListUrl = new File(buildDir, "docs/javadoc/package-list").toURI().toURL()
	}
	externalDocumentationLink {
		url = new URL("https://projectreactor.io/docs/core/release/api/")
	}
	externalDocumentationLink {
		url = new URL("https://www.reactive-streams.org/reactive-streams-1.0.1-javadoc/")
	}
	externalDocumentationLink {
		url = new URL("https://kotlin.github.io/kotlinx.coroutines/kotlinx-coroutines-core/")
	}
}

task downloadResources(type: Download) {
	def version = "0.1.3.RELEASE"
	src "https://repo.spring.io/release/io/spring/docresources/" +
			"spring-doc-resources/$version/spring-doc-resources-${version}.zip"
	dest project.file("$buildDir/docs/spring-doc-resources.zip")
	onlyIfModified true
	useETag "all"
}

task extractDocResources(type: Copy, dependsOn: downloadResources) {
	from project.zipTree(downloadResources.dest);
	into "$buildDir/docs/spring-docs-resources/"
}

/**
 * Produce the Spring Framework Reference documentation
 * from "src/docs/asciidoc" into  "build/asciidoc/html5"
 */
asciidoctor {
	sources {
		include '*.adoc'
	}
	outputDir "$buildDir/docs/ref-docs/"
	resources {
		from(sourceDir) {
			include 'images/*', 'css/**', 'js/**'
		}
		from "$buildDir/docs/spring-docs-resources/"
	}
	logDocuments = true
	backends = ["html5"]
	// only ouput PDF documentation for non-SNAPSHOT builds
	if (!project.getVersion().toString().contains("BUILD-SNAPSHOT")) {
		backends += "pdf"
	}
	options doctype: 'book', eruby: 'erubis'
	attributes([
			icons: 'font',
			idprefix: '',
			idseparator: '-',
			docinfo: 'shared',
			revnumber: project.version,
			sectanchors: '',
			sectnums: '',
			'source-highlighter': 'highlight.js',
			highlightjsdir: 'js/highlight',
			'highlightjs-theme': 'github',
			stylesdir: 'css/',
			stylesheet: 'stylesheet.css',
			'spring-version': project.version
	])
}

asciidoctor.dependsOn extractDocResources

/**
 * Zip all docs (API and reference) into a single archive
 */
task docsZip(type: Zip, dependsOn: ['api', 'asciidoctor', 'dokka']) {
	group = "Distribution"
	description = "Builds -${archiveClassifier} archive containing api and reference " +
			"for deployment at https://docs.spring.io/spring-framework/docs."

	archiveBaseName.set("spring-framework")
	archiveClassifier.set("docs")
	from("src/dist") {
		include "changelog.txt"
	}
	from (api) {
		into "javadoc-api"
	}
	from ("$asciidoctor.outputDir/html5") {
		into "spring-framework-reference"
	}
	from ("$asciidoctor.outputDir/pdf") {
		into "spring-framework-reference/pdf"
	}
	from (dokka) {
		into "kdoc-api"
	}
}

/**
 * Zip all Spring Framework schemas into a single archive
 */
task schemaZip(type: Zip) {
	group = "Distribution"
	archiveBaseName.set("spring-framework")
	archiveClassifier.set("schema")
	description = "Builds -${archiveClassifier} archive containing all " +
			"XSDs for deployment at https://springframework.org/schema."
	duplicatesStrategy DuplicatesStrategy.EXCLUDE
	moduleProjects.each { module ->
		def Properties schemas = new Properties();

		module.sourceSets.main.resources.find {
			(it.path.endsWith("META-INF/spring.schemas") || it.path.endsWith("META-INF\\spring.schemas"))
		}?.withInputStream { schemas.load(it) }

		for (def key : schemas.keySet()) {
			def shortName = key.replaceAll(/http.*schema.(.*).spring-.*/, '$1')
			assert shortName != key
			File xsdFile = module.sourceSets.main.resources.find {
				(it.path.endsWith(schemas.get(key)) || it.path.endsWith(schemas.get(key).replaceAll('\\/','\\\\')))
			}
			assert xsdFile != null
			into (shortName) {
				from xsdFile.path
			}
		}
	}
}

/**
 * Create a distribution zip with everything:
 * docs, schemas, jars, source jars, javadoc jars
 */
task distZip(type: Zip, dependsOn: [docsZip, schemaZip]) {
	group = "Distribution"
	archiveBaseName.set("spring-framework")
	archiveClassifier.set("dist")
	description = "Builds -${archiveClassifier} archive, containing all jars and docs, " +
			"suitable for community download page."

	ext.baseDir = "spring-framework-${project.version}";

	from("src/docs/dist") {
		include "readme.txt"
		include "license.txt"
		include "notice.txt"
		into "${baseDir}"
		expand(copyright: new Date().format("yyyy"), version: project.version)
	}

	from(zipTree(docsZip.archivePath)) {
		into "${baseDir}/docs"
	}

	from(zipTree(schemaZip.archivePath)) {
		into "${baseDir}/schema"
	}

	moduleProjects.each { module ->
		into ("${baseDir}/libs") {
			from module.jar
			if (module.tasks.findByPath("sourcesJar")) {
				from module.sourcesJar
			}
			if (module.tasks.findByPath("javadocJar")) {
				from module.javadocJar
			}
		}
	}
}

distZip.mustRunAfter moduleProjects.check