.PHONY: test-all test-internal

SHELL=/bin/bash
return_statement_line_number := $(shell grep -nE '^return' text-crossrefs.lua | cut -d ':' -f 1)
line_before_return := $(shell echo $$(($(return_statement_line_number) - 1)))

README.pdf: README.md
	sed -E 's/(C?[Lo]?[an]?TeXt?)/\\\1{}/g' $< | \
	sed '7s/^/\\def\\ConTeXt{C\\kern-.0333em on\\kern-.0667em\\TeX\\kern-.0333em t}\\pagebreak /' | \
	pandoc -M colorlinks=true --toc -N --syntax-highlighting=none -o $@

test-all: test-internal test-context test-latex test-opendocument test-typst

test-internal: text-crossrefs.lua
	-rm --interactive=never test/tmp.lua
	sed -n 1,$(line_before_return)p text-crossrefs.lua > test/tmp.lua
	cat  test/test-functions.lua >> test/tmp.lua
	chmod -w test/tmp.lua
	pandoc -L test/tmp.lua <<< ''
	@echo -e '==========================\nAll internal tests passed.\n==========================\n'
	rm --interactive=never test/tmp.lua

samples := '' -with-options
test-%: text-crossrefs.lua sample.md
	@$(foreach suffix,$(samples), \
	TESTED_FORMAT=$* pandoc -t native -L text-crossrefs.lua sample$(suffix).md > test/tmp-$*$(suffix).native ;\
	diff test/tmp-$*$(suffix).native test/sample-$*$(suffix).native ;\
	if [[ $$? == 0 ]]; then \
	  echo -e '\n=== $*$(suffix): passed\n' ;\
	  else \
	  echo -e '\n=== $*$(suffix): FAILED\n' ;\
	fi ;\
	rm test/tmp-$*$(suffix).native ;\
	)

update-test-files:
	for f in typst opendocument latex context ; do \
	  for v in '' -with-options ; do \
	    TESTED_FORMAT=$$f pandoc -L text-crossrefs.lua -t native \
	    -o test/sample-$$f$$v.native sample$$v.md ; \
	  done ; \
	done