#!/usr/bin/make -f
#export DH_VERBOSE=1

PKD   := $(abspath $(dir $(MAKEFILE_LIST)))
PKG   := $(word 2,$(shell dpkg-parsechangelog -l$(PKD)/changelog | grep ^Source))
UVER  := $(shell dpkg-parsechangelog | sed -rne 's,^Version: ([^-]+).*,\1,p')
DTYPE := +dfsg
VER   ?= $(subst $(DTYPE),,$(UVER))
BUILD_DATE := $(shell dpkg-parsechangelog --show-field=Date)

DEB_HOST_GNU_TYPE ?= $(shell dpkg-architecture -qDEB_HOST_GNU_TYPE)
DEB_HOST_ARCH_CPU ?= $(shell dpkg-architecture -qDEB_HOST_ARCH_CPU)
ifeq ($(DEB_HOST_ARCH_CPU),i386)
	MARCH_FLAG :="i686"
else
	MARCH_FLAG :="x86-64"
endif

%:
	dh $@

override_dh_auto_configure:
	dh_auto_configure -- \
		-DBINDIR=games \
		-DDATADIR=share/games/spring \
		-DLIBDIR=lib/spring \
		-DAI_LIBS_DIR=lib/spring \
		-DAI_DATA_DIR=share/games/spring \
		-DAI_FIND_QUIETLY=FALSE \
		-DJAVA_FIND_REQUIRED=TRUE \
		-DCMAKE_BUILD_TYPE=RELWITHDEBINFO \
		-DMARCH_FLAG=$(MARCH_FLAG) \
		-DPRD_JSONCPP_INTERNAL=FALSE

override_dh_auto_build:
	# Reproducible: these files get packed in .sdz (= .zip) files
	find cont/base -type f -exec touch --date='$(BUILD_DATE)' {} \;
	find cont/base -type f -exec chmod 0644 {} \;
	# Ensure that we build against system libraries of minizip
	find rts/lib/minizip tools/pr-downloader/src/lib/minizip -type f -not -name 'CMakeLists.txt' -delete
	dh_auto_build
	cd $(CURDIR)/obj-$(DEB_HOST_GNU_TYPE)/test && make tests

override_dh_installchangelogs:
	dh_installchangelogs doc/changelog.txt

override_dh_auto_install:
	dh_auto_install
	# Remove empty directories
	find $(CURDIR) -type d -empty -delete

.PHONY: get-orig-source
## http://wiki.debian.org/onlyjob/get-orig-source
get-orig-source: $(PKG)_$(VER)$(DTYPE).orig.tar.xz $(info I: $(PKG)_$(VER)$(DTYPE))
	@

$(PKG)_$(VER)$(DTYPE).orig.tar.xz:
	@echo "# Downloading..."
	uscan --noconf --verbose --rename --destdir=$(CURDIR) --check-dirname-level=0 --force-download --download-version $(VER) $(PKD)
	$(if $(wildcard $(PKG)-$(VER)),$(error $(PKG)-$(VER) exist, aborting..))
	@echo "# Extracting..."
	mkdir $(PKG)-$(VER) \
	&& tar -xf $(PKG)_$(VER).orig.tar.* --directory $(PKG)-$(VER) --strip-components 1 \
	|| $(RM) -r $(PKG)-$(VER)
	@echo "# Cleaning-up..."
	cd $(PKG)-$(VER) \
	&& $(RM) -r -v \
		cont/fonts/FreeSansBold.otf \
		cont/fonts/COPYING \
		installer \
		include/AL \
		include/SDL2 \
		include/GL \
		tools/pr-downloader/src/lib/jsoncpp \
		rts/spring.exe.manifest \
		AI/Wrappers/JavaOO/jlib/*.jar
	@echo "# Packing..."
	find -L "$(PKG)-$(VER)" -xdev -type f -print | sort \
	| XZ_OPT="-6v" tar -caf "$(PKG)_$(VER)$(DTYPE).orig.tar.xz" -T- --owner=root --group=root --mode=a+rX \
	&& $(RM) -r "$(PKG)-$(VER)"