WWW = ${PWD}/www
SITE = ${PWD}/site
SCRIPTS = ${PWD}/scripts
LOCAL = /var/www/htdocs
REMOTE = sdk@codevoid.de:/home/www/htdocs/shagen

# do everything by default
all: build-and-upload-all
	@echo "done."

# Create the photo galleries and create the index and preview html pages.
PHOTODIRS !=	find photos/* -maxdepth 0 -mindepth 0 -type d
get-photos:
	[ ! -d "photos" ] \
		&& git clone sdk@home.codevoid.de:.photos.git photos \
		|| cd photos && git pull
photos: ${PHOTODIRS}
	mkdir -p ${SITE}/photos
	cd photos && sh ${SCRIPTS}/mkphotoindex.sh > index.html
	find photos -type f \( -not -name "*.html" \
			       -not -name "*.txt" \
			       -not -name "*.meta" \
			\) -exec install -D {} www/{} \;
	find photos -type f \( -name "*.html" \
			    -o -name "*.meta" \
			\) -exec install -D {} site/{} \;
${PHOTODIRS}: get-photos
	cd "$@" && sh ${SCRIPTS}/mkphotos.sh > index.html

# (manual step) - it takes some time to optimize all images and it's not really necessary.
optimize:
	find photos -name "*.jpg" -type f -exec jpegoptim -w 12 --all-progressive --strip-all "{}" +

# create the uugrn test calendar
calendar:
	mkdir -p ${SITE}/uugcal
	cd ${SITE}/uugcal && sh ${SCRIPTS}/mkuugcalendar.sh > index.html

# invoke zod and compile the website into the www/ dir
compile:
	mkdir -p ${WWW}
	zod ${SITE} ${WWW}

# after mixing different generators in the compile step, let's tidy and
# indent the output properly. XXX is there a tool that does _only_
# indent? We don't need all the other tidy magic here...
tidy:
	find ${WWW} -type f -name "*.html" \
		-exec tidy -q -i -m -c -w 120 -f /dev/null {} \;
	find ${WWW} -type f -name "*.html" \
		-exec sed -i '/.*meta name="generator".*/d' {} \;

# create gzip variants of text files, so they can be served by httpds
# gzip-static extension
gzip:
	find ${WWW} -type f \
		\( -name "*.html" -o -name "*.css" \)  \
		-exec gzip -kf9 {} \;

# set permissions so the web server can read the file
fixperms:
	doas chown -R sdk:www ${WWW}
	doas chmod -R ugo+wrX,go-w ${WWW}

# we can upload to the local and the remote webserver at the same time
upload-local:
	doas rsync -a --delete ${WWW}/ ${LOCAL}/
upload-remote:
	doas rsync -a --delete -e ssh ${WWW}/ ${REMOTE}/
upload-all: upload-local upload-remote

build: photos calendar
	make compile; \
	make fixperms;

build-and-upload-all:
	make build; \
	make upload-all;

# deploy to the local webserver for preview
local:
	make build; \
	make upload-local;
remote:
	make build; \
	make upload-remote

# clean up temporary files and everything that can be regenerated very fast
clean:
	rm -rf ${WWW}/photos
	rm -rf ${SITE}/photos
	rm -f photos/index.html
	rm -f photos/*/*.html
	rm -rf ${SITE}/uugcal
	rm -rf ${WWW}

# clean and also delete all generated images
realclean: clean
	rm -rf photos/*/{thm,mid}


### TARGETS BELOW ARE ONLY FOR CONVENIENCE

git-add:
	find site/photos -type f \
		-not -name "*.html" \
		-not -path "*/thm/*" \
		-not -path "*/mid/*" \
		-exec git add "{}" +

# watch files and rebuild automatically
notify:
	ulimit -n 1024; \
	find ${SITE} ${SCRIPTS} -not -path "*/photos/*" -type f \
		| inotifywait -m -e modify --fromfile - \
		| while read line; \
		do \
			make; \
		done

.PHONY: ${PHOTODIRS} ${REPOS}