cabal := $(wildcard *.cabal)
package := $(notdir ./$(cabal:.cabal=))
version := $(shell sed -ne 's/^version: *\(.*\)/\1/p' $(cabal))
project := $(patsubst %.cabal,%,$(cabal))
cabal_builddir ?= dist-newstyle
sourceDirs := $(wildcard src tests app benchmarks)

override REPL_OPTIONS += -ignore-dot-ghci
override GHCID_OPTIONS += --no-height-limit --reverse-errors --color=always --restart $(cabal) --warnings
override GHCIWATCH_OPTIONS += --watch src
GHC_EVENTLOG_FLAGS := -agu

all: build
build:
	cabal build $(CABAL_BUILD_FLAGS)
clean c:
	cabal clean
	rm -f *.eventlog *.eventlog.* *.hp
repl:
	cabal repl $(CABAL_REPL_FLAGS) $(project)
ghcid:
	ghcid $(GHCID_OPTIONS) --command 'cabal repl $(CABAL_REPL_FLAGS) $(project) $(addprefix --repl-options ,$(REPL_OPTIONS))'
ghciwatch:
	ghciwatch $(GHCIWATCH_OPTIONS)

.PHONY: tests
t tests:
	cabal test $(CABAL_TEST_FLAGS) \
	 --test-show-details always --test-options "$(TEST_OPTIONS)"
t/repl tests/repl:
	cabal repl $(CABAL_REPL_FLAGS) $(CABAL_TEST_FLAGS) $(project)-tests
t/ghcid tests/ghcid:
	ghcid $(GHCID_OPTIONS) --command 'cabal repl $(CABAL_REPL_FLAGS) $(project) $(addprefix --repl-options ,$(REPL_OPTIONS))' \
	  --run=':! ghcid $(GHCID_OPTIONS) --command "cabal repl $(CABAL_REPL_FLAGS) $(CABAL_TEST_FLAGS) $(project)-tests" --test ":main $(TEST_OPTIONS)"'

.PHONY: tests.eventlog
tests.eventlog tests.prof:
	cabal test $(CABAL_TEST_FLAGS) \
	 --test-show-details always --test-options "$(TEST_OPTIONS) +RTS $(RTS_OPTIONS) -oltests.eventlog" \
	 --enable-profiling
t/prof-cost tests/prof-cost: override RTS_OPTIONS += -hc
t/prof-cost tests/prof-cost: tests.eventlog.html
t/prof-heap tests/prof-heap: override RTS_OPTIONS += -hy
t/prof-heap tests/prof-heap: tests.eventlog.html
t/prof-time tests/prof-time: override RTS_OPTIONS += -p
t/prof-time tests/prof-time: tests.eventlog.html

%.eventlog.html: override RTS_OPTIONS += -l$(GHC_EVENTLOG_FLAGS)
%.eventlog.html: %.eventlog
	eventlog2html $(EVENTLOG_FLAGS) $<
%.eventlog.json: override RTS_OPTIONS += -l$(GHC_EVENTLOG_FLAGS)
%.eventlog.json: %.eventlog
	hs-speedscope $(HS_SPEEDSCOPE_FLAGS) $<

%/accept: override TEST_OPTIONS += --golden-start
%/accept: %
	

%/reset: override TEST_OPTIONS += --golden-reset
%/reset: %
	

%/cover: override CABAL_TEST_FLAGS += --enable-coverage
%/cover: %
	

.PHONY: app
x app:
	cabal run $(CABAL_RUN_FLAGS)
x/repl app/repl:
	cabal repl $(CABAL_REPL_FLAGS) exe:$(project) $(addprefix --repl-options ,$(REPL_OPTIONS))
x/ghcid app/ghcid:
	ghcid $(GHCID_OPTIONS) --command 'cabal repl $(CABAL_REPL_FLAGS) exe:$(project) $(addprefix --repl-options ,$(REPL_OPTIONS))' --test ":main $(TEST_OPTIONS)"
.PHONY: app.eventlog
app.eventlog app.prof:
	cabal run $(CABAL_RUN_FLAGS) \
	 --enable-profiling \
	 exe:$(project) \
	 -- +RTS $(RTS_OPTIONS) -olapp.eventlog
x/prof-cost app/prof-cost: override RTS_OPTIONS += -hc
x/prof-cost app/prof-cost: app.eventlog.html
x/prof-heap app/prof-heap: override RTS_OPTIONS += -hy
x/prof-heap app/prof-heap: app.eventlog.html
x/prof-time app/prof-time: override RTS_OPTIONS += -p
x/prof-time app/prof-time: app.eventlog.html

doc:
	cabal haddock --haddock-css ocean --haddock-hyperlink-source

.PHONY: benchmarks/html/$(version).html
b benchmarks: benchmarks/html/$(version).html
benchmarks/html/$(version).html:
	mkdir -p benchmarks/html
	cabal bench $(CABAL_BENCH_FLAGS) --benchmark-options "$(BENCHMARK_OPTIONS)"
benchmarks/repl:
	cabal repl $(CABAL_REPL_FLAGS) --enable-benchmarks $(project)-benchmark
b/prof-cost benchmarks/prof-cost: override RTS_OPTIONS += -hc
b/prof-cost benchmarks/prof-cost: benchmarks.eventlog.html
b/prof-heap benchmarks/prof-heap: override RTS_OPTIONS += -hy
b/prof-heap benchmarks/prof-heap: benchmarks.eventlog.html
b/prof-time benchmarks/prof-time: override RTS_OPTIONS += -p
b/prof-time benchmarks/prof-time: benchmarks.eventlog.json
.PHONY: benchmarks.eventlog
benchmarks.eventlog benchmarks.prof:
	@echo "$$(tput setaf 1)WARNING: benchmarking with --enable-profiling can create significant biases$$(tput sgr0)"
	cabal bench $(CABAL_BENCH_FLAGS) \
	 --benchmark-options "$(BENCHMARK_OPTIONS) +RTS $(RTS_OPTIONS) -olbenchmarks.eventlog" \
	 --enable-profiling


.PHONY: ChangeLog.md
ChangeLog.md:
	! git tag --merged | grep -Fqx $(package)-$(version)
	git diff --exit-code
	git tag -f $(package)-$(version)
	git-chglog --output $@.new --tag-filter-pattern '$(package)-.*' $(package)-$(version)
	touch $@
	cat $@ >>$@.new
	mv -f $@.new $@
	git tag -d $(package)-$(version)
	git add '$@'
	git commit -m 'doc: update `$@`'
tag: build ChangeLog.md
	git tag -s -m $(package)-$(version) $(package)-$(version)

tar:
	git diff --exit-code
	reuse lint
	cabal sdist
	cabal haddock --haddock-for-hackage --enable-doc
upload: LANG=C
upload: tar
	git tag --merged | grep -Fqx $(package)-$(version)
	git push --follow-tags $(GIT_PUSH_FLAGS)
	cabal upload $(CABAL_UPLOAD_FLAGS) "$(cabal_builddir)"/sdist/$(package)-$(version).tar.gz
	cabal upload $(CABAL_UPLOAD_FLAGS) --documentation "$(cabal_builddir)"/$(package)-$(version)-docs.tar.gz
%/publish: override CABAL_UPLOAD_FLAGS += --publish
%/publish: %
	
publish: upload/publish

.PHONY: .hlint.yaml
.hlint.yaml:
	sed -i -e '/^# BEGIN: generated hints/,/^# END: generated hints/d' $@
	echo >>$@ '# BEGIN: generated hints'
	find $(sourceDirs) -name "*.hs" | xargs -P $(shell nproc) -I {} \
	  hlint --find {} | grep -- '- fixity:' | sort -u >>$@
	echo >>$@ '# END: generated hints'
lint: .hlint.yaml
	if hlint --quiet --report=hlint.html $(HLINT_FLAGS) $(sourceDirs); \
	then rm -f hlint.html; \
	else sensible-browser ./hlint.html & fi
lint/apply: .hlint.yaml
	find $(sourceDirs) -name "*.hs" | xargs -P $(shell nproc) -I {} \
	  hlint --refactor-options="-i" --refactor {}

style:
	find $(sourceDirs) -name "*.hs" | xargs -P $(shell nproc) -I {} \
	  fourmolu --unsafe -q -o -XOverloadedLabels -o -XImportQualifiedPost --mode inplace {}
	cabal-fmt -i *.cabal

.PHONY: .radicle
.radicle:
	direnv allow
	rad auth
	git config user.signingKey "$$(rad self --ssh-key)"
	git config gpg.format ssh
	git config gpg.ssh.program ssh-keygen
	git config gpg.ssh.allowedSignersFile .gitsigners
	git config commit.gpgsign true