VERSION=$(shell grep VERSION config.lua | sed -n -e "s/VERSION = 'v//" -e "s/'//p")

IGNORE_FLAGS=--ignore Makefile --ignore build
LOVE_PATH := $(shell command -v love)
TARGET_NAME = $(shell arch)
FUSED_NAME = lines
LOVE_NAME = lines

ifdef VERSION
	FUSED_NAME := $(FUSED_NAME)-v$(VERSION)
	LOVE_NAME := $(LOVE_NAME)-v$(VERSION)
endif
ifdef TARGET_NAME
	FUSED_NAME := $(FUSED_NAME)-$(TARGET_NAME)
endif

LOVE_NAME := $(LOVE_NAME).love

default:
	@echo Available targets: love, fused, clean

love: clean
	mkdir build
	ls $(IGNORE_FLAGS) | xargs zip -9r build/$(LOVE_NAME)
	sha256sum build/$(LOVE_NAME) | sed 's:  build/$(LOVE_NAME)::' > build/$(LOVE_NAME).sha256
	@echo created $(LOVE_NAME) in build directory

fused: love
ifdef LOVE_PATH
	cat ${LOVE_PATH} build/$(LOVE_NAME) > build/$(FUSED_NAME)
	chmod +x build/$(FUSED_NAME)
	sha256sum build/$(FUSED_NAME) | sed 's:  build/$(FUSED_NAME)::' > build/$(FUSED_NAME).sha256
	@echo created fused binary $(FUSED_NAME) in build directory
else
	@echo love not found in PATH or LOVE_PATH
	exit 1
endif

clean:
	-rm -rf build