#!/usr/bin/make -f

include /usr/share/dpkg/architecture.mk
include /usr/share/dpkg/pkg-info.mk

KOTLIN_VERSION_TO_BUILD := $(firstword $(subst +, ,$(DEB_VERSION)))
KOTLIN_VERSION_INSTALLED := $(shell dpkg-query --showformat='$${Version}\n' -W kotlin)
KOTLIN_VERSION_TO_USE := $(firstword $(subst +, ,$(KOTLIN_VERSION_INSTALLED)))
COMMON_GRADLE_OPTIONS := -Dkotlin.compiler.execution.strategy=in-proces

export JAVA_HOME=/usr/lib/jvm/java-11-openjdk-$(DEB_BUILD_ARCH)
export JDK_16=$(JAVA_HOME)

%:
	dh $(@:_build=build) --buildsystem=gradle --with-maven-repo-helper

# Allow retrying `debian/rules build` with an existing `build` subdir
.PHONY: build
build: _build

debian/kotlin.poms: debian/kotlin.poms.in
	sed -e "s|__VERSION__|$(KOTLIN_VERSION_TO_BUILD)|g" < $< > $@

override_dh_auto_build: debian/kotlin.poms
	# Build Kotlin
	mkdir --parents buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib
	mkdir --parents buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellij-core
	mkdir --parents buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/jps-standalone
	cp -u /usr/share/java/guava.jar							buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib/guava-25.1-jre.jar
	cp -u /usr/share/java/jdom2-intellij.jar				buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib/jdom.jar
	cp -u /usr/share/java/jna.jar							buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib/jna.jar
	cp -u /usr/share/java/jna-platform.jar					buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib/jna-platform.jar
	cp -u /usr/share/java/log4j-1.2.jar						buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib/log4j.jar
	cp -u /usr/share/java/oro.jar							buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib/oro-2.0.8.jar
	cp -u /usr/share/java/picocontainer-1.3.jar				buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib/picocontainer-1.2.jar
	cp -u /usr/share/java/libtrove-intellij.jar				buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib/trove4j.jar
	cp -u /usr/share/java/intellij-java-compatibility.jar	buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellij-core/java-compatibility-1.0.1.jar
	cp -u /usr/share/java/streamex.jar						buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib/streamex-0.6.7.jar
	cp -u /usr/share/java/lz4-java.jar				buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib/lz4-1.3.0.jar
	cp -u /usr/share/java/guava.jar							buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib/guava-25.1-jre.jar
	cp -u /usr/share/java/intellij-util-all.jar				buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib/util.jar
	cp -u /usr/share/java/intellij-jps-model-all.jar		buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/jps-standalone/jps-model.jar
	cp -u /usr/share/java/intellij-extensions.jar			buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib/extensions.jar
	cp -u /usr/share/java/intellij-platform-api.jar			buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib/platform-api.jar
	cp -u /usr/share/java/intellij-platform-impl.jar		buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellijUltimate/lib/platform-impl.jar
	cp -u /usr/share/java/intellij-core.jar					buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellij-core/intellij-core.jar

	ant -f ./debian/buildprotobufkotlin.xml
	cp ./debian/protobuf-debian.pom ./debian/maven-repo-cache/org/jetbrains/kotlin/protobuf/protobuf/debian/protobuf-debian.pom

	# Work around a rebuild issue by patching the compiler jar
# This block can be removed once the version below is no longer
# available and the dependency on kotlin in debian/control is updated
# to >> 1.3.31+ds1-1
# Note 1: can't use --init-script due to
#         https://github.com/gradle/gradle/issues/1055 (fixed only in 8.0)
# Note 2: jarjar + adhoc jar repack to overwrite only the relocated
#         intellij-core
# Note 3: no symlinks as the build needs to be able to overwrite these files
# Note 4: in-flight update of hardcoded java home paths set by patches
	if dpkg --compare-versions $(KOTLIN_VERSION_INSTALLED) le 1.3.31+ds1-1 ; then \
		sed -i -e 's:/usr/lib/jvm/[^"]\+:$(JAVA_HOME):' build.gradle gradle.properties && \
		ant -f debian/repack-intellij-core.xml && \
		mkdir -p debian/tmp-repack-jar && \
		cd debian/tmp-repack-jar && \
		jar --extract --file=/usr/share/java/kotlin-compiler-embeddable.jar && \
		cp -a META-INF/MANIFEST.MF META-INF/MANIFEST.MF.orig && \
		jar --extract --file=$(CURDIR)/buildSrc/prepare-deps/intellij-sdk/repo/kotlin.build.custom.deps/183.5153.4/intellij-core/repacked-intellij-core.jar && \
		cp -a META-INF/MANIFEST.MF.orig META-INF/MANIFEST.MF && \
		$(RM) META-INF/MANIFEST.MF.orig && \
		mkdir -p ../maven-repo-cache/org/jetbrains/kotlin/kotlin-compiler-embeddable/$(KOTLIN_VERSION_TO_USE) && \
		mkdir -p ../maven-repo-cache/org/jetbrains/kotlin/kotlin-compiler-embeddable/debian && \
		jar --create --file=../maven-repo-cache/org/jetbrains/kotlin/kotlin-compiler-embeddable/$(KOTLIN_VERSION_TO_USE)/kotlin-compiler-embeddable-$(KOTLIN_VERSION_TO_USE).jar \
			--no-compress --manifest=META-INF/MANIFEST.MF . && \
		cp -a --remove-destination \
			../maven-repo-cache/org/jetbrains/kotlin/kotlin-compiler-embeddable/$(KOTLIN_VERSION_TO_USE)/kotlin-compiler-embeddable-$(KOTLIN_VERSION_TO_USE).jar \
			../maven-repo-cache/org/jetbrains/kotlin/kotlin-compiler-embeddable/debian/kotlin-compiler-embeddable-debian.jar && \
		cp -a --remove-destination \
			/usr/share/maven-repo/org/jetbrains/kotlin/kotlin-compiler-embeddable/$(KOTLIN_VERSION_TO_USE)/kotlin-compiler-embeddable-$(KOTLIN_VERSION_TO_USE).pom \
			../maven-repo-cache/org/jetbrains/kotlin/kotlin-compiler-embeddable/$(KOTLIN_VERSION_TO_USE)/. && \
		cp -a --remove-destination \
			/usr/share/maven-repo/org/jetbrains/kotlin/kotlin-compiler-embeddable/debian/kotlin-compiler-embeddable-debian.pom \
			../maven-repo-cache/org/jetbrains/kotlin/kotlin-compiler-embeddable/debian/. && \
		cd - && \
		$(RM) -R debian/tmp-repack-jar && \
		mkdir -p .gradle/init.d && \
		cp debian/init.gradle .gradle/init.d/init2.gradle ; \
	fi

	dh_auto_build -- $(COMMON_GRADLE_OPTIONS) \
	    -PkotlinVersionToBuild=$(KOTLIN_VERSION_TO_BUILD) \
	    -PbuildSrc.kotlin.version=$(KOTLIN_VERSION_TO_USE) \
	    -Pbootstrap.kotlin.version=$(KOTLIN_VERSION_TO_USE) \
	    dist install \
	    -x :kotlin-android-extensions-runtime:compileKotlin \
	    -x :plugins:android-extensions-compiler:compileKotlin

	ln -sfT .gradle/daemon/4.4.1/.m2 .m2

	dh_auto_configure --buildsystem=maven
	dh_auto_build --buildsystem=maven -- --file=libraries/pom.xml package

override_dh_auto_clean:

execute_before_dh_clean: debian/kotlin.poms
	# Compensate for not running clean on potential left outs.
	# .gitignore on upstream project has 'build/' as a pattern, so this should be safe.
	find buildSrc -name 'build' -and -type d | xargs rm -rf
	# Compensate for not being able to run maven with 'clean' as goal.
	find libraries -name target -and -type d | xargs rm -rf
	# Undo a file edit done by the Kotlin build system but not cleaned
	sed --in-place --regexp-extended --expression='s|(val CURRENT: KotlinVersion = KotlinVersion)\(([[:digit:]]+), ([[:digit:]]+), ([[:digit:]]+)\)|\1(\2, \3, 0)|' libraries/stdlib/src/kotlin/util/KotlinVersion.kt
	mh_unpatchpoms --package=kotlin
	rm -rf ./debian/kotlin.poms

execute_before_dh_install:
	mh_install
	mh_install --rules=debian/maven.rules.debian

override_dh_auto_test: