PKGS := \
 hjugement
HS = $(shell find . -name '*.hs' -not -name 'HLint.hs')
cabal := $(shell find . -name '*.cabal' -print -quit)
QUICKCHECK_TESTS = 1000
QUICKCHECK_MAXSIZE = 100
TEST_FLAGS = --quickcheck-tests $(QUICKCHECK_TESTS) --quickcheck-max-size $(QUICKCHECK_MAXSIZE)

all: build

build: $(PKGS:=/build)
%/build:
	cd $* && stack $(STACK_FLAGS) build $(STACK_BUILD_FLAGS)
.PHONY: $(PKGS) $(foreach p,$(PKGS),$(eval $p: $p/build))

.PHONY: $(PKGS:=/test)
test: $(PKGS:=/test)
define test
$p/test:
	! grep -q '^Test-Suite\>' $p/$p.cabal || \
	{ cd $p && stack $$(STACK_FLAGS) test --test-arguments "$$(TEST_FLAGS)" $$(STACK_TEST_FLAGS); }
endef
$(foreach p,$(PKGS),$(eval $(call test)))

GHCID_TEST_ARGS ?=
GHCID_TEST ?= ":main $(GHCID_TEST_ARGS)"
ghcid: $(PKGS:=/ghcid)
%/ghcid:
	cd $* && ghcid \
	 --warnings \
	 --command "stack $(STACK_FLAGS) $(GHCID_STACK_FLAGS) ghci $(GHCID_GHCI_FLAGS) \
	   $$(2>&1 stack ide targets | grep -v :test:) \
	   --ghci-options=-fobject-code" \
	 --test $(GHCID_TEST) \
	 $(GHCID_FLAGS)

clean:   $(PKGS:=/clean)
cleaner: $(PKGS:=/cleaner)
%/clean:
	cd $* && stack $(STACK_FLAGS) clean $(STACK_CLEAN_FLAGS)
%/cleaner:
	cd $* && stack $(STACK_FLAGS) clean --full $(STACK_CLEAN_FLAGS)

%/quickcheck: override QUICKCHECK_TESTS=10000
%/quickcheck: override QUICKCHECK_MAXSIZE=1000
%/quickcheck: %
	
%/fast: override STACK_BUILD_FLAGS+=--fast
%/fast: override STACK_HADDOCK_FLAGS+=--fast
%/fast: override STACK_TEST_FLAGS+=--fast
%/fast: override QUICKCHECK_TESTS=100
%/fast: override QUICKCHECK_MAXSIZE=100
%/fast: %
	

%/debug: override STACK_BUILD_FLAGS+=--flag $(cabal:.cabal=):debug
%/debug: override STACK_TEST_FLAGS+=--flag $(cabal:.cabal=):debug
%/debug: %
	

%/accept: override STACK_TEST_ARGS+=--accept
%/accept: %
	

doc: $(PKGS:=/doc)
%/doc:
	cd $* && stack $(STACK_FLAGS) haddock $(STACK_HADDOCK_FLAGS)
%.html: %.md
	markdown $*.md >$*.html
%.html/view: %.html
	sensible-browser $*.html

HLint.hs: $(HS)
	sed -i -e '/^-- BEGIN: generated hints/,/^-- END: Generated by hlint/d' HLint.hs
	echo '-- BEGIN: generated hints' >> HLint.hs
	hlint $(foreach p,$(PKGS),--find $p) | grep '^'infix | sort -u >> HLint.hs
	echo '-- END: generated hints' >> HLint.hs

lint: $(PKGS:=/lint) $(HS)
%/lint: HLint.hs
	cd $* && if hlint --quiet --report=hlint.html -XNoCPP \
	 $(shell cabal-cargs --format=ghc --only=default_extensions --sourcefile=$*) $(HLINT_FLAGS) .; \
	then rm -f hlint.html; \
	else sensible-browser ./hlint.html & fi

tag: $(PKGS:=/tag)
%/tag:
	cabal=$*/$*.cabal; \
	name=$$(sed -ne 's/^name: *\(.*\)/\1/p' "$$cabal"); \
	version=$$(sed -ne 's/^version: *\(.*\)/\1/p' "$$cabal"); \
	git tag --merged | grep -Fqx "$$name-$$version" || \
	git tag -f -s -m "$$name v$$version" $$name-$$version

tar: $(PKGS:=/tar)
%/tar:
	cd $* && stack $(STACK_FLAGS) sdist $(STACK_SDIST_FLAGS)
upload: $(PKGS:=/upload)
%/upload:
	cd $* && LANG=C stack $(STACK_FLAGS) upload $(STACK_UPLOAD_FLAGS) .

.PHONY: stats
stats:
	gitstats . $@
stats/view: stats
	sensible-browser stats/index.html