VERSION?=$(shell git describe --abbrev=0)+$(shell date +'%Y%m%d%H%I%S')

EXECUTABLE:=flucky

DESTDIR?=
PREFIX?=/usr/local

# BINARIES
# ==============================================================================
EXECUTABLE_TARGETS:= \
	bin/linux/amd64/${EXECUTABLE} \
	bin/linux/arm/5/${EXECUTABLE} \
	bin/linux/arm/7/${EXECUTABLE} \
	bin/tmp/${EXECUTABLE}

${EXECUTABLE}: bin/tmp/${EXECUTABLE}

bin/linux/amd64/${EXECUTABLE}:
	CGO_ENABLED=1 \
	GOOS=linux \
	GOARCH=amd64 \
	GOPROXY=$(shell go env GOPROXY) \
	GOPRIVATE=$(shell go env GOPRIVATE) \
		go build -ldflags "-X main.version=${VERSION:v%=%}" -o ${@}

bin/linux/arm/5/${EXECUTABLE}:
	CGO_ENABLED=1 \
	GOOS=linux \
	GOARCH=arm \
	GOARM=5 \
	GOPROXY=$(shell go env GOPROXY) \
	GOPRIVATE=$(shell go env GOPRIVATE) \
		go build -ldflags "-X main.version=${VERSION:v%=%}" -o ${@}

bin/linux/arm/7/${EXECUTABLE}:
	CC=arm-linux-gnueabihf-gcc \
	CGO_ENABLED=1 \
	GOOS=linux \
	GOARCH=arm \
	GOARM=7 \
	GOPROXY=$(shell go env GOPROXY) \
	GOPRIVATE=$(shell go env GOPRIVATE) \
		go build -ldflags "-X main.version=${VERSION:v%=%}" -o ${@}

bin/tmp/${EXECUTABLE}:
	CGO_ENABLED=1 \
	GOPROXY=$(shell go env GOPROXY) \
	GOPRIVATE=$(shell go env GOPRIVATE) \
		go build -ldflags "-X main.version=${VERSION:v%=%}" -o ${@}

# COMPLETIONS
# ==============================================================================
bin/tmp/${EXECUTABLE}.sh: bin/tmp/${EXECUTABLE}
	bin/tmp/${EXECUTABLE} completion bash > ${@}

bin/tmp/${EXECUTABLE}.fish: bin/tmp/${EXECUTABLE}
	bin/tmp/${EXECUTABLE} completion fish > ${@}

bin/tmp/${EXECUTABLE}.zsh: bin/tmp/${EXECUTABLE}
	bin/tmp/${EXECUTABLE} completion zsh > ${@}

# UN/INSTALL
# ==============================================================================
PHONY+=install
install: bin/tmp/${EXECUTABLE} bin/tmp/${EXECUTABLE}.sh bin/tmp/${EXECUTABLE}.fish bin/tmp/${EXECUTABLE}.zsh
	install --directory ${DESTDIR}${PREFIX}/bin
	install --mode 755 bin/tmp/${EXECUTABLE} ${DESTDIR}${PREFIX}/bin/${EXECUTABLE}

	install --directory ${DESTDIR}/etc/bash_completion.d
	install --mode 755 bin/tmp/${EXECUTABLE}.sh ${DESTDIR}/etc/bash_completion.d/${EXECUTABLE}.sh

	install --directory ${DESTDIR}/usr/share/fish/vendor_completions.d
	install --mode 644 bin/tmp/${EXECUTABLE}.fish ${DESTDIR}/usr/share/fish/vendor_completions.d/${EXECUTABLE}.fish

	install --directory ${DESTDIR}/usr/lib/systemd/system
	install --mode 644 systemd/${EXECUTABLE}.service ${DESTDIR}/usr/lib/systemd/system/${EXECUTABLE}.service

	install --directory ${DESTDIR}/usr/share/licenses/${EXECUTABLE}
	install --mode 644 LICENSE ${DESTDIR}/usr/share/licenses/${EXECUTABLE}/LICENSE

PHONY+=uninstall
uninstall:
	-rm --recursive --force \
		${DESTDIR}${PREFIX}/bin/${EXECUTABLE} \
		${DESTDIR}/etc/bash_completion.d/${EXECUTABLE}.sh \
		${DESTDIR}/usr/lib/systemd/system/${EXECUTABLE}.service \
		${DESTDIR}/usr/share/fish/vendor_completions.d/${EXECUTABLE}.fish \
		${DESTDIR}/usr/share/licenses/${EXECUTABLE}/LICENSE

# CLEAN
# ==============================================================================
PHONY+=clean
clean:
	rm --force --recursive bin/ || true

# TEST
# ==============================================================================
PHONY+=test/unit
test/unit:
	go test -v -race -coverprofile=coverage.txt -covermode=atomic -timeout 600s -count=1 ./pkg/...

PHONY+=test/coverage
test/coverage: test/unit
	go tool cover -html=coverage.txt

# GOLANGCI-LINT
# ==============================================================================
PHONY+=golangci-lint
golangci-lint:
	golangci-lint run --concurrency=$(shell nproc)

# GOSEC
# ==============================================================================
PHONY+=gosec
gosec:
	gosec $(shell pwd)/...

# PHONY
# ==============================================================================
# Declare the contents of the PHONY variable as phony.  We keep that information
# in a variable so we can use it in if_changed.
.PHONY: ${PHONY}