PDFOPTIONS = -t beamer
PDFOPTIONS += --highlight-style my_highlight.theme
PDFOPTIONS += --pdf-engine pdflatex
PDFOPTIONS += -V theme:metropolis
PDFOPTIONS += -V themeoptions:numbering=none -V themeoptions:progressbar=foot
PDFOPTIONS += -V fontsize=smaller
PDFOPTIONS += -V urlcolor=blue

REVEALOPTIONS = -t revealjs
REVEALOPTIONS += --self-contained
REVEALOPTIONS += -V revealjs-url=./reveal.js
REVEALOPTIONS += -V theme=white

MD=$(wildcard *.md)
HTML=$(MD:%.md=%.html)
PDF=$(MD:%.md=%.pdf)
MARKDOWN=$(MD:%.md=%.markdown)

all: $(MARKDOWN)

%.pdf: %.md metadata.yaml
	pandoc -s $(OPTIONS) $(PDFOPTIONS) -o $@ $^

%.html: %.md metadata.yaml
	pandoc -s $(OPTIONS) $(REVEALOPTIONS) -o $@ $^

%.markdown: %.md metadata.yaml
	echo "---" >> $@
	sed '1 { /^---/ { :a N; /\n---/! ba; d} }' $< > only_header && grep -v -F -x -f  only_header $< > header.yaml && ./yq_linux_amd64 merge metadata.yaml header.yaml > $@



deploy: all 
	mkdir -p prog_seq_c_cours
	cp *.pdf prog_seq_c_cours
	cp *.html prog_seq_c_cours

clean:
	rm -f *.pdf *.html *.markdown