.PHONY: check clean serve

gendeps   = $(filter-out %/index.gsp,$(wildcard $1/*))
fonts    := $(wildcard fonts/*)
includes := $(wildcard include/*)
srcdirs  := $(shell find src -type d)
outdirs  := $(srcdirs:src%=out%)
sources  := $(shell find src -type f -regextype egrep -regex '.*/(index\.gsp|.*\.(css|svg|png|dot))')
outputs  := $(sources:src/%=out/%)
outputs  := $(outputs:%.gsp=%.html)
outputs  := $(outputs:%.dot=%.svg)

all: $(outdirs) out/fonts $(outputs)

out/fonts: $(fonts)
	@cp -r fonts out
	@printf 'CP\tfonts\n'

$(outdirs):
	@mkdir -p $@
	@printf 'MKDIR\t%s\n' "$@"

out/%: src/%
	@cp $< $@
	@printf 'CP\t%s\n' "$@"

out/%.svg: src/%.dot
	@dot -Tsvg $< >$@
	@printf 'DOT\t%s\n' "$@"

out/%.html: src/%.gsp $(includes) src/style.css
	@PATH="$$PATH:./include" \
	m4 -P $(foreach dir,$(^D),-I$(dir)) include/lib.m4 $< | gsp >$@
	@printf 'GSP\t%s\n' "$@"

src/srp/fw-ec/index.gsp: $(call gendeps,src/srp/fw-ec)
	@touch $@
src/srp/gsp/index.gsp: $(call gendeps,src/srp/gsp)
	@touch $@
src/prj/mmv/index.gsp: $(call gendeps,src/prj/mmv)
	@touch $@
src/prj/mkpass/index.gsp: $(call gendeps,src/prj/mkpass)
	@touch $@
src/prj/totp/index.gsp: $(call gendeps,src/prj/totp)
	@touch $@

check:
	LANG=en_US.UTF-8 find src -name 'index.gsp' -exec \
		aspell --home-dir=./ --ignore-case check {} \;

clean:
	rm -rf out

serve:
	darkhttpd out --daemon

watch:
	git ls-files | entr make

push-fonts:
	./gen-fonts
	rsync -a fonts vps:/var/www/www.thomasvoss.com/out/