common.mk

build_flags=build
OSES=linux windows darwin
ARCHES=amd64 arm64 386
CA_CERT_NAME=ca-cert.pem
CA_CERT_DEV=../../../certs.dev/$(CA_CERT_NAME)
CA_CERT_PROD=../../../certs.prod/$(CA_CERT_NAME)
RESOURCES_DIR=../defaults/resources
DEFAULT_PORT=1077

bin=nexush

help:
	@echo "Supported targets:"
	@echo "  prepare_dev       copy public certificate and server file for development (localhost)"
	@echo "  prepare_prod      copy public certificate and server file for production"
	@echo "  build_dev         build $(bin) development (localhost) binaries for the specified OS/arch"
	@echo "  build_dev_all     build $(bin) development binaries (localhost) for Linux, Windows and Darwin (OSX)"	
	@echo "  build_prod        build $(bin) production binaries for the specified OS/arch"
	@echo "  build_prod_all    build $(bin) production binaries for Linux, Windows and Darwin (OSX)"
	@echo "  clean             delete generated binaries"
	@echo "The build target requires OS and ARCH variables to be specified:"
	@echo "  valid OS values: linux, windows, darwin"
	@echo "  valid ARCH values: amd64, arm64, 386"

prepare_dev: copy_dev_cert set_dev_server

prepare_prod: copy_prod_cert set_prod_server

copy_dev_cert: $(CA_CERT_DEV)
	@(mkdir $(RESOURCES_DIR) 2>/dev/null || true)
	@cp $< $(RESOURCES_DIR)

copy_prod_cert: $(CA_CERT_PROD)
	@(mkdir $(RESOURCES_DIR) 2>/dev/null || true)
	@cp $< $(RESOURCES_DIR)

set_prod_server: ../../../config/certs/nexus-server.info.prod
	@grep ^ip_address $<|awk -F" = " '{print $$2":$(DEFAULT_PORT)"}'|tr -d "\n" > $(RESOURCES_DIR)/server

set_dev_server:
	@printf "127.0.0.1:$(DEFAULT_PORT)" > $(RESOURCES_DIR)/server

build_dir:
	$(if $(OS),,$(error Please define the OS environment variable: supported values are linux, windows, darwin))
	$(if $(ARCH),,$(error Please define the ARCH environment variable: supported values are amd64, arm64, 386))
	@echo "[Creating output directory $(OS)/$(ARCH)]"
	@mkdir -p build/$(ARCH)/$(OS)

build_prod: build_dir prepare_prod build

build_dev: build_dir prepare_dev build

build:
	@echo "[Building for $(OS) $(ARCH)]" ;\
	if [ $(OS) = "linux" ]; then \
		GOARCH=$(ARCH) GOOS=$(OS) CGO_ENABLED=0 go $(build_flags) -o  build/$(ARCH)/$(OS)/ ;\
		#strip -s build/$(ARCH)/$(OS)/$(bin) ;\
		#upx build/$(ARCH)/$(OS)/$(bin) ;\
	else \
		echo "GOARCH=$(ARCH) GOOS=$(OS) go $(build_flags) -o build/$(ARCH)/$(OS)/" ;\
		GOARCH=$(ARCH) GOOS=$(OS) go $(build_flags) -o build/$(ARCH)/$(OS)/ ;\
	fi

build_prod_all: copy_prod_cert set_prod_server build_all

build_dev_all: copy_dev_cert set_dev_server build_all

build_all:
	@for os in $(OSES); do \
        for arch in $(ARCHES); do \
			if [ $$os != "darwin" ] || [ $$arch != "386" ]; then \
				echo "[Creating output directory $$os/$$arch]" ;\
				mkdir -p build/$$arch/$$os ;\
				echo "[Building for $$os $$arch]" ;\
				if [ $$os = "linux" ]; then \
					GOARCH=$$arch GOOS=$$os CGO_ENABLED=0 go $(build_flags) -o  build/$$arch/$$os/ ;\
					#strip -s build/$$arch/$$os/$(bin) ;\
					#upx build/$$arch/$$os/$(bin) ;\
				else \
					echo "GOARCH=$$arch GOOS=$$os go $(build_flags) -o build/$$arch/$$os/" ;\
					GOARCH=$$arch GOOS=$$os go $(build_flags) -o build/$$arch/$$os/ ;\
				fi \
			fi \
        done \
    done

clean:
	@/bin/rm -rf build $(bin) $(RESOURCES_DIR)/server $(RESOURCES_DIR)/$(CA_CERT_NAME)
	@go clean .

.PHONY: build clean