mdFiles := $(wildcard trainings.d/*.md)
pdfFiles := $(patsubst trainings.d/%.md, build/trainings.d/pdf/%.pdf, $(mdFiles))
revealjsFiles := $(patsubst trainings.d/%.md, build/trainings.d/revealjs/%.html, $(mdFiles))

.PHONY: all
all: $(pdfFiles) $(revealjsFiles)

.PHONY: installReveal3
installReveal3:
	wget https://github.com/hakimel/reveal.js/archive/3.9.2.tar.gz
	tar -xzvf 3.9.2.tar.gz
	mv reveal.js-3.9.2 reveal.js

.PHONY: revealjs
revealjs: $(revealjsFiles)

.PHONY: echo
echo:
	echo $(mdFiles)
	echo $(pdfFiles)
	echo $(revealjsFiles)

build/trainings.d/pdf/%.pdf: trainings.d/%.md
	mkdir -p build/trainings.d/pdf
	pandoc -t beamer -o $@ $<

build/trainings.d/revealjs/%.html: trainings.d/%.md
	mkdir -p build/trainings.d/revealjs
	pandoc -t revealjs -s -o $@ $< --css css/cwsvJudo-revealjs.css -V revealjs-url=https://unpkg.com/reveal.js@3.9.2/