DOCKER_NAME := voltha-go-controller
DOCKER_TAG := latest
GOLINT := golint
GOCMD = docker run --rm --user $$(id -u):$$(id -g) -v ${CURDIR}:/app $(shell test -t 0 && echo "-it") -v gocache:/.cache -v gocache-${VOLTHA_TOOLS_VERSION}:/go/pkg voltha/voltha-ci-tools:${VOLTHA_TOOLS_VERSION}-golang go
GOBUILD=$(GOCMD) build
GOCLEAN=$(GOCMD) clean
GOTEST=$(GOCMD) test
GOTOOL=$(GOCMD) tool

# Static code analyzers
GOIMPORTS := goimports
GO_FILES := `find . -path vendor -prune -o -name '*.go'`
STATIC_TOOLS := $(GOLINT) $(GOFMT) $(GOIMPORTS)
#STATIC_TOOLS := $(GOFMT)

# set default shell
SHELL = bash -e -o pipefail

# Variables
VERSION                  ?= $(shell head -n 1 ./VERSION)
# DOCKER_TAG               ?= ${VERSION}
IMAGENAME                ?= ${DOCKER_NAME}:${DOCKER_TAG}

COVERAGE_DIR = ./tests/results
COVERAGE_PROFILE = $(COVERAGE_DIR)/profile.out
TEST_TARGETS := test-default test-verbose test-short
test-short: ARGS=-short
test-verbose: ARGS=-v
# tool containers
VOLTHA_TOOLS_VERSION ?= 2.4.0

HADOLINT          = docker run --rm --user $$(id -u):$$(id -g) -v ${CURDIR}:/app $(shell test -t 0 && echo "-it") voltha/voltha-ci-tools:${VOLTHA_TOOLS_VERSION}-hadolint hadolint
GOLANGCI_LINT     = docker run --rm --user $$(id -u):$$(id -g) -v ${CURDIR}:/app $(shell test -t 0 && echo "-it") -v gocache:/.cache -v gocache-${VOLTHA_TOOLS_VERSION}:/go/pkg voltha/voltha-ci-tools:${VOLTHA_TOOLS_VERSION}-golangci-lint golangci-lint
GO_JUNIT_REPORT   = docker run --rm --user $$(id -u):$$(id -g) -v ${CURDIR}:/app -i voltha/voltha-ci-tools:${VOLTHA_TOOLS_VERSION}-go-junit-report go-junit-report
GOCOVER_COBERTURA = docker run --rm --user $$(id -u):$$(id -g) -v ${CURDIR}:/app/src/github.com/opencord/voltha-openolt-adapter -i voltha/voltha-ci-tools:${VOLTHA_TOOLS_VERSION}-gocover-cobertura gocover-cobertura

## Local Development Helpers
local-protos: ## Copies a local version of the voltha-protos dependency into the vendor directory
ifdef LOCAL_PROTOS
	rm -rf vendor/github.com/opencord/voltha-protos/v5/go
	mkdir -p vendor/github.com/opencord/voltha-protos/v5/go
	cp -r ${LOCAL_PROTOS}/go/* vendor/github.com/opencord/voltha-protos/v5/go
	rm -rf vendor/github.com/opencord/voltha-protos/v5/go/vendor
endif

local-lib-go: ## Copies a local version of the voltha-lib-go dependency into the vendor directory
ifdef LOCAL_LIB_GO
	mkdir -p vendor/github.com/opencord/voltha-lib-go/v7/pkg
	cp -r ${LOCAL_LIB_GO}/pkg/* vendor/github.com/opencord/voltha-lib-go/v7/pkg/
endif

# This should to be the first and default target in this Makefile
help: ## Print help for each Makefile target
	@echo "Usage: make [<target>]"
	@echo "where available targets are:"
	@echo
	@grep '^[[:alpha:]_-]*:.* ##' $(MAKEFILE_LIST) \
		| sort | awk 'BEGIN {FS=":.* ## "}; {printf "%-25s : %s\n", $$1, $$2};'


exe:
	@echo Building voltha-go-controller....
	@cd voltha-go-controller && go build

vgcctl:
	@echo Building vgcctl....
	@cd voltha-go-controller/cli && go build -o vgcctl

docker: exe vgcctl
	@echo Building Docker $(DOCKER_NAME)....
	sudo docker build -t $(IMAGENAME) -f docker/Dockerfile.voltha-go-controller .

## Docker targets
build:	local-protos local-lib-go docker  ## Build voltha-go-controller image

build-docker-profile: sca exe-profile vgcctl
	@echo Building Docker $(DOCKER_NAME)....
	sudo docker build -t $(IMAGENAME)-profile -f docker/Dockerfile.voltha-go-controller .

sca: ## Runs static code analysis with the golangci-lint tool
	@echo "Running static code analysis..."
	sudo docker run --rm --user $$(id -u):$$(id -g) -v $(CURDIR):/go/src ciena/go-lint

clean: ## Removes any local filesystem artifacts generated by a build
	rm -f voltha-go-controller/voltha-go-controller
	rm -f voltha-go-controller/cli/vgcctl

mock-gen:
	mockery -dir intf/ -name DatabaseIntf -structname MockDb -filename MockDatabase.go

## lint and unit tests
lint-dockerfile: ## Perform static analysis on Dockerfile
	@echo "Running Dockerfile lint check ..."
	@${HADOLINT} $$(find . -name "Dockerfile.*")
	@echo "Dockerfile lint check OK"

lint-mod: ## Verify the Go dependencies
	@echo "Running dependency check..."
	@${GOCMD} mod verify
	@echo "Dependency check OK. Running vendor check..."
	@git status > /dev/null
	@git diff-index --quiet HEAD -- go.mod go.sum vendor || (echo "ERROR: Staged or modified files must be committed before running this test" && git status -- go.mod go.sum vendor && exit 1)
	@[[ `git ls-files --exclude-standard --others go.mod go.sum vendor` == "" ]] || (echo "ERROR: Untracked files must be cleaned up before running this test" && git status -- go.mod go.sum vendor && exit 1)
	${GOCMD} mod tidy
	${GOCMD} mod vendor
	@git status > /dev/null
	@git diff-index --quiet HEAD -- go.mod go.sum vendor || (echo "ERROR: Modified files detected after running go mod tidy / go mod vendor" && git status -- go.mod go.sum vendor && git checkout -- go.mod go.sum vendor && exit 1)
	@[[ `git ls-files --exclude-standard --others go.mod go.sum vendor` == "" ]] || (echo "ERROR: Untracked files detected after running go mod tidy / go mod vendor" && git status -- go.mod go.sum vendor && git checkout -- go.mod go.sum vendor && exit 1)
	@echo "Vendor check OK."

lint: local-lib-go lint-mod lint-dockerfile ## Run all lint targets

mod-update: ## Update go mod files
	${GOCMD} mod tidy
	${GOCMD} mod vendor

test: ## Run unit tests
	@mkdir -p ./tests/results
	@${GOCMD} test -mod=vendor -v -coverprofile ./tests/results/go-test-coverage.out -covermode count ./... 2>&1 | tee ./tests/results/go-test-results.out ;\
	RETURN=$$? ;\
	${GO_JUNIT_REPORT} < ./tests/results/go-test-results.out > ./tests/results/go-test-results.xml ;\
	${GOCOVER_COBERTURA} < ./tests/results/go-test-coverage.out > ./tests/results/go-test-coverage.xml ;\
	exit $$RETURN