.PHONY: all node-deps clean run

UNAME_S := $(shell uname -s)
ifeq ($(UNAME_S),Darwin)
	PLATFORM = mac
else
    PLATFORM = linux
endif

TARGET=public/elm.js
SOURCE=src/App.elm

ELM_FILES = $(shell find src -type f -name '*.elm')
ELM = ./bin/elm

ELMMAKE_FLAGS =
ifeq ($(DEBUG),1)
	ELMMAKE_FLAGS += --debug
endif

all: $(TARGET)

$(ELM):
	mkdir -p ./bin
	curl -sL https://github.com/elm/compiler/releases/download/0.19.1/binary-for-$(PLATFORM)-64-bit.gz \
		| gunzip > $@
	chmod +x $@

$(TARGET): $(ELM_FILES) $(ELM)
	$(ELM) make $(ELMMAKE_FLAGS) $(SOURCE) --output $@

clean-deps:
	rm -rf bin
	rm -rf elm-stuff

clean:
	rm -f $(TARGET)
	rm -f $(ELM)
	rm -rf elm-stuff/build-artifacts