DATADIR  = data
TMPDIR   = _tmp
BUILDDIR = _build
INFONAME = info.yaml

# SMALL = thumbnails, MED = single pages (link to full size)
SMALL := 200
MED   := 1000

MAKEPAGES = $(TMPDIR)/make-pages

YAMLS != find $(DATADIR) -name $(INFONAME)

SCRIPTS := $(wildcard script/*.js)

STYLES := $(wildcard style/*.css)
STYLESVGS = $(wildcard style/*.svg)
STYLEPNGS = $(wildcard style/*.png) \
            $(STYLESVGS:.svg=.png) $(STYLESVGS:.svg=_small.png)

FONTS := $(shell find fonts \
  -iname '*.eot'   -or -iname '*.svg'  -or \
  -iname '*.ttf'   -or -iname '*.woff' -or \
  -iname '*.woff2' -or -iname '*.css')

STATIC := $(SCRIPTS) $(STYLES) $(STYLEPNGS) $(STYLESVGS) $(FONTS)
BSTATIC := $(patsubst %,$(BUILDDIR)/%,$(STATIC))

all: make-pages $(BUILDDIR)/index.html $(BSTATIC)

$(BUILDDIR)/%: %
	echo "[copy]    "$@
	mkdir -p $(dir $@)
	cp $< $@

$(BUILDDIR)/%: $(TMPDIR)/%
	echo "[copy]    "$@
	mkdir -p $(dir $@)
	cp $< $@

define inkscape =
echo "[svg]     "$@
mkdir -p $(dir $@)
inkscape $< -e $@ -w $(1) >/dev/null
endef

$(TMPDIR)/%.png: %.svg
	$(call inkscape,32)

$(TMPDIR)/%_small.png: %.svg
	$(call inkscape,16)

$(BUILDDIR)/index.html: $(DATADIR)/galleries.yaml $(MAKEPAGES)
	echo "[index]   "$@
	mkdir -p $(dir $@)
	$(MAKEPAGES) $(MPFLAGS) index $< -o $@

$(MAKEPAGES): make-pages/*.hs make-pages/make-pages.cabal
	echo "[make-pages]"
	mkdir -p $(dir $@)
	cabal v2-build all -O0 -j
	find dist-newstyle -name make-pages -executable -type f \
	  -exec cp {} $@ \;

$(TMPDIR)/galleries.mk: $(DATADIR)/galleries.yaml $(DATADIR) $(MAKEPAGES)
	echo "[deps]    "$@
	mkdir -p $(dir $@)
	$(MAKEPAGES) $(MPFLAGS) depend-gallery $< -o $@ \
	  -B $(BUILDDIR) -D $(DATADIR) -T $(TMPDIR) -I $(INFONAME)

-include $(TMPDIR)/galleries.mk

.PHONY: clean distclean
clean:
	echo "[clean]"
	rm -rf $(BUILDDIR) $(TMPDIR)
distclean: clean
	echo "[distclean]"
	rm -rf dist-newstyle

.SILENT: