SHELL = /bin/sh
.SUFFIXES:

NOTES = $(shell pandoc lua pandoc/collect_notes.lua index.md)
TARGETS = $(patsubst %.md,public_html/%.html,$(NOTES))
GETDEPS = $(patsubst %.md,public_html/%.html.part,$(shell pandoc lua pandoc/collect_links.lua $(1)))
DEPSMETAFLAGS = $(patsubst %,-M linkparts=%,$(filter-out $<,$^))

.PHONY: all
all: $(TARGETS)

.SECONDEXPANSION:
public_html/%.html: %.md \
										$$(call GETDEPS,%.md) \
										public_html/sitemap.html.part
	pandoc --data-dir pandoc -d bavbavhaus.net.yaml -M slug=$* $(DEPSMETAFLAGS) -o $@ $<

public_html/%.html.part: %.md
	pandoc --data-dir pandoc -d bavbavhaus.net.part.yaml --id-prefix $* -M url=$*.html -M slug=$* -o $@ $<

public_html/sitemap.html.part: $(NOTES)
	pandoc lua pandoc/sitemap.lua index.md $@

dest/%.docx: %.md
	test -d dest || mkdir dest
	pandoc --data-dir pandoc --resource-path pandoc -d docx.yaml -o $@ $<

.PHONY: clean
clean:
	$(RM) public_html/*.html.part
	$(RM) public_html/*.html
	$(RM) -r dest