EMIT_ASSETS := index.html 404.html info.html \
			   styles.css icons.css \
			   countdown.js theme.js theme.js \
			   stallman.webp stallman_2024.webp
SEARCH_REPLACE := lib/search_and_replace/target/release/search_and_replace
COMPONENTS := head.html header.html nav.html footer.html

.PHONY: build
build: $(EMIT_ASSETS:%=dst/cz/%) $(EMIT_ASSETS:%=dst/en/%) dst/favicon.ico

.PHONY: clean
clean:
	rm -rf dst

$(SEARCH_REPLACE): $(shell find lib/search_and_replace/src)
	cd lib/search_and_replace && cargo build --release

define make_page
	cat $(1) | \
		$(SEARCH_REPLACE) \
			'<!--#include virtual="components/head.html" -->' "$$(cat components/$(3)/head.html)" \
			'<!--#include virtual="components/header.html" -->' "$$(cat components/$(3)/header.html)" \
			'<!--#include virtual="components/nav.html" -->' "$$(cat components/$(3)/nav.html)" \
			'<!--#include virtual="components/footer.html" -->' "$$(cat components/$(3)/footer.html)" \
	> $(2)
endef

dst/cz/%.html: cz_%.html $(SEARCH_REPLACE) $(COMPONENTS:%=components/cz/%)
	@mkdir -p $(@D)
	$(call make_page,$<,$@,cz)

dst/cz/%.css: %.css
	@mkdir -p $(@D)
	ln -f $< $@

dst/cz/%.js: js/%.js
	@mkdir -p $(@D)
	ln -f $< $@

dst/cz/%.webp: images/%.jpg
	@mkdir -p $(@D)
	magick $< $@

dst/en/%.html: en_%.html $(SEARCH_REPLACE) $(COMPONENTS:%=components/en/%)
	@mkdir -p $(@D)
	$(call make_page,$<,$@,en)

dst/en/%.css: %.css
	@mkdir -p $(@D)
	ln -f $< $@

dst/en/%.js: js/%.js
	@mkdir -p $(@D)
	ln -f $< $@

dst/en/%.webp: images/%.jpg
	@mkdir -p $(@D)
	magick $< $@

dst/favicon.ico: images/favicon.ico
	@mkdir -p $(@D)
	ln -f $< $@