export BUILD_SYSTEM_DIR := vendor/nimbus-build-system
export EXCLUDED_NIM_PACKAGES := vendor/nwaku/vendor/nim-dnsdisc/vendor \
								vendor/nwaku/vendor/nimbus-build-system \
								vendor/nim-sds/vendor
LINK_PCRE := 0
FORMAT_MSG := "\\x1B[95mFormatting:\\x1B[39m"
# we don't want an error here, so we can handle things later, in the ".DEFAULT" target
-include $(BUILD_SYSTEM_DIR)/makefiles/variables.mk

ifeq ($(NIM_PARAMS),)
# "variables.mk" was not included, so we update the submodules.
GIT_SUBMODULE_UPDATE := git submodule update --init --recursive
.DEFAULT:
	+@ echo -e "Git submodules not found. Running '$(GIT_SUBMODULE_UPDATE)'.\n"; \
		$(GIT_SUBMODULE_UPDATE); \
		echo
# Now that the included *.mk files appeared, and are newer than this file, Make will restart itself:
# https://www.gnu.org/software/make/manual/make.html#Remaking-Makefiles
#
# After restarting, it will execute its original goal, so we don't have to start a child Make here
# with "$(MAKE) $(MAKECMDGOALS)". Isn't hidden control flow great?

else # "variables.mk" was included. Business as usual until the end of this file.

##########
## Main ##
##########
.PHONY: all update clean

# default target, because it's the first one that doesn't start with '.'
all: | waku_example nim_chat_poc

test_file := $(word 2,$(MAKECMDGOALS))
define test_name
$(shell echo '$(MAKECMDGOALS)' | cut -d' ' -f3-)
endef

nim_chat_poc.nims:
	ln -s nim_chat_poc.nimble $@

update: | update-common
	rm -rf nim_chat_poc.nims && \
		$(MAKE) nim_chat_poc.nims $(HANDLE_OUTPUT)

clean:
	rm -rf build

# must be included after the default target
-include $(BUILD_SYSTEM_DIR)/makefiles/targets.mk

## Possible values: prod; debug
TARGET ?= prod

## Git version
GIT_VERSION ?= $(shell git describe --abbrev=6 --always --tags)
## Compilation parameters. If defined in the CLI the assignments won't be executed
NIM_PARAMS := $(NIM_PARAMS) -d:git_version=\"$(GIT_VERSION)\"

##################
## Dependencies ##
##################
.PHONY: build-waku-librln

build-waku-librln:
	@echo "Start building waku librln"
	$(MAKE) -C vendor/nwaku librln
	$(eval NIM_PARAMS += --passL:./vendor/nwaku/librln_v0.7.0.a --passL:-lm)
	@echo "Completed building librln"

build-waku-nat:
	@echo "Start building waku nat-libs"
	$(MAKE) -C vendor/nwaku nat-libs
	@echo "Completed building nat-libs"

##########
## Example ##
##########
.PHONY: waku_example

waku_example: | build-waku-librln build-waku-nat nim_chat_poc.nims
	echo -e $(BUILD_MSG) "build/$@" && \
	\
		$(ENV_SCRIPT) nim waku_example $(NIM_PARAMS) nim_chat_poc.nims

nim_chat_poc: | build-waku-librln build-waku-nat nim_chat_poc.nims
	echo -e $(BUILD_MSG) "build/$@" && \
	\
		$(ENV_SCRIPT) nim nim_chat_poc $(NIM_PARAMS) nim_chat_poc.nims


endif