# Environment vars
DIST_DIR := dist

# Computed vars
SRC_HTMLS := $(shell find src -name '*.src.html')
SRC_MDS := $(shell find src -name '*.src.md')
SRC_TEMPLATES := $(shell find src/templates -name '*.html')

GEN_HTMLS := $(SRC_HTMLS:%.src.html=%.gen.html)
GEN_MDS := $(SRC_MDS:%.src.md=%.gen.html)
GEN_FILES := $(GEN_HTMLS) $(GEN_MDS)

INCLUDED_FILES := $(shell find src/include -type f)
EMBEDDED_FILES := $(shell find src -name '*.png' -or -name '*.svg')

DIST_GEN_FILES := $(GEN_FILES:src/%.gen.html=$(DIST_DIR)/%.html)
DIST_INC_FILES := $(INCLUDED_FILES:src/%=$(DIST_DIR)/%)
DIST_EMB_FILES := $(EMBEDDED_FILES:src/%=$(DIST_DIR)/%)
DIST_FILES := $(DIST_GEN_FILES) $(DIST_INC_FILES) $(DIST_DWN_FILES) $(DIST_EMB_FILES) $(DIST_DIR)/favicon.ico

PANDOC_GEN := pandoc --standalone --wrap=none --template src/templates/main.html --metadata-file src/meta.yml

.PHONY: build
build: $(GEN_FILES)
	$(info HTML generated)

%.gen.html: %.src.html %.meta.yml $(SRC_TEMPLATES)
	$(PANDOC_GEN) --metadata-file $*.meta.yml --output $@ $<

%.gen.html: %.src.md %.meta.yml $(SRC_TEMPLATES)
	$(PANDOC_GEN) --metadata-file $*.meta.yml --output $@ $<

.PHONY: dist
dist: $(DIST_DIR)
	$(info Distributed folder generated)

$(DIST_DIR): $(DIST_FILES)

$(DIST_DIR)/%.html: src/%.gen.html
	mkdir --parents $(dir $@)
	cp $< $@

$(DIST_DIR)/%: src/%
	mkdir --parents $(dir $@)
	cp $< $@

.PHONY: clean
clean:
	rm -f $(GEN_FILES)

.PHONY: clean-dist
clean-dist:
	rm -rf $(DIST_DIR)/*

.PHONY: clean-all
clean-all: clean clean-dist

.PHONY: debug
debug:
	$(info SRC_HTMLS $(SRC_HTMLS))
	$(info SRC_MDS $(SRC_MDS))
	$(info SRC_TEMPLATES $(SRC_TEMPLATES))
	$(info GEN_HTMLS $(GEN_HTMLS))
	$(info GEN_MDS $(GEN_MDS))
	$(info GEN_FILES $(GEN_FILES))
	$(info INCLUDED_FILES $(INCLUDED_FILES))
	$(info EMBEDDED_FILES $(EMBEDDED_FILES))
	$(info DIST_FILES $(DIST_FILES))