ifeq ($(GOPATH),)
$(error "***** Please set your GOPATH environment variable")
endif

ifneq ($(GOPATH)/src/github.com/opencord/voltctl,$(shell pwd))
$(warning "***** Your GOPATH environment variable may not be set correctly. Your current directory should be $$GOPATH/src/github.com/opencord/voltctl")
endif

help:

internal/pkg/commands/voltha_v1_pb.go: assets/protosets/voltha_v1.pb
	@echo "/*" > $@
	@echo " * Copyright 2019-present Open Networking Foundation" >> $@
	@echo " *" >> $@
	@echo " * Licensed under the Apache License, Version 2.0 (the "License");" >> $@
	@echo " * you may not use this file except in compliance with the License." >> $@
	@echo " * You may obtain a copy of the License at" >> $@
	@echo " *" >> $@
	@echo " * http://www.apache.org/licenses/LICENSE-2.0" >> $@
	@echo " *" >> $@
	@echo " * Unless required by applicable law or agreed to in writing, software" >> $@
	@echo " * distributed under the License is distributed on an "AS IS" BASIS," >> $@
	@echo " * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied." >> $@
	@echo " * See the License for the specific language governing permissions and" >> $@
	@echo " * limitations under the License." >> $@
	@echo " */" >> $@
	@echo "package commands" >> $@
	@echo "" >> $@
	@echo "var V1Descriptor = []byte{" >> $@
	hexdump -ve '1/1 "0x%02x,"' assets/protosets/voltha_v1.pb | fold -w 60 -s >> $@
	@echo "}" >> $@
	@go fmt $@

internal/pkg/commands/voltha_v2_pb.go: assets/protosets/voltha_v2.pb
	@echo "/*" > $@
	@echo " * Copyright 2019-present Open Networking Foundation" >> $@
	@echo " *" >> $@
	@echo " * Licensed under the Apache License, Version 2.0 (the "License");" >> $@
	@echo " * you may not use this file except in compliance with the License." >> $@
	@echo " * You may obtain a copy of the License at" >> $@
	@echo " *" >> $@
	@echo " * http://www.apache.org/licenses/LICENSE-2.0" >> $@
	@echo " *" >> $@
	@echo " * Unless required by applicable law or agreed to in writing, software" >> $@
	@echo " * distributed under the License is distributed on an "AS IS" BASIS," >> $@
	@echo " * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied." >> $@
	@echo " * See the License for the specific language governing permissions and" >> $@
	@echo " * limitations under the License." >> $@
	@echo " */" >> $@
	@echo "package commands" >> $@
	@echo "" >> $@
	@echo "var V2Descriptor = []byte{" >> $@
	hexdump -ve '1/1 "0x%02x,"' assets/protosets/voltha_v2.pb | fold -w 60 -s >> $@
	@echo "}" >> $@
	@go fmt $@

encode-protosets: internal/pkg/commands/voltha_v1_pb.go internal/pkg/commands/voltha_v2_pb.go

VERSION=$(shell cat $(GOPATH)/src/github.com/opencord/voltctl/VERSION)
GITCOMMIT=$(shell git rev-parse HEAD)
ifeq ($(shell git ls-files --others --modified --exclude-standard 2>/dev/null | wc -l | sed -e 's/ //g'),0)
GITDIRTY=false
else
GITDIRTY=true
endif
GOVERSION=$(shell go version 2>&1 | sed -E  's/.*(go[0-9]+\.[0-9]+\.[0-9]+).*/\1/g')
HOST_OS=$(shell uname -s | tr A-Z a-z)
ifeq ($(shell uname -m),x86_64)
	HOST_ARCH ?= amd64
else
	HOST_ARCH ?= $(shell uname -m)
endif
BUILDTIME=$(shell date -u +"%Y-%m-%dT%H:%M:%SZ")

LDFLAGS=-ldflags \
	'-X "github.com/opencord/voltctl/internal/pkg/cli/version.Version=$(VERSION)"  \
	 -X "github.com/opencord/voltctl/internal/pkg/cli/version.VcsRef=$(GITCOMMIT)"  \
	 -X "github.com/opencord/voltctl/internal/pkg/cli/version.VcsDirty=$(GITDIRTY)"  \
	 -X "github.com/opencord/voltctl/internal/pkg/cli/version.GoVersion=$(GOVERSION)"  \
	 -X "github.com/opencord/voltctl/internal/pkg/cli/version.Os=$(HOST_OS)" \
	 -X "github.com/opencord/voltctl/internal/pkg/cli/version.Arch=$(HOST_ARCH)" \
	 -X "github.com/opencord/voltctl/internal/pkg/cli/version.BuildTime=$(BUILDTIME)"'

# Release related items
# Generates binaries in $RELEASE_DIR with name $RELEASE_NAME-$RELEASE_OS_ARCH
# Inspired by: https://github.com/kubernetes/minikube/releases
RELEASE_DIR     ?= release
RELEASE_NAME    ?= voltctl
RELEASE_OS_ARCH ?= linux-amd64 windows-amd64 darwin-amd64
RELEASE_BINS    := $(foreach rel,$(RELEASE_OS_ARCH),$(RELEASE_DIR)/$(RELEASE_NAME)-$(subst -dev,_dev,$(VERSION))-$(rel))

# Functions to extract the OS/ARCH
rel_ver   = $(word 2, $(subst -, ,$(notdir $@)))
rel_os    = $(word 3, $(subst -, ,$(notdir $@)))
rel_arch  = $(word 4, $(subst -, ,$(notdir $@)))

dependencies:
	[ -d "vendor" ] || dep ensure

$(RELEASE_BINS): dependencies
	mkdir -p $(RELEASE_DIR)
	GOPATH=$(GOPATH) GOOS=$(rel_os) GOARCH=$(rel_arch) \
	       go build -v $(LDFLAGS) -o "$@" cmd/voltctl/voltctl.go

release: $(RELEASE_BINS)

build: dependencies
	GOPATH=$(GOPATH) \
	       go build $(LDFLAGS) \
	       cmd/voltctl/voltctl.go

install: dependencies
	GOPATH=$(GOPATH) GOBIN=$(GOPATH)/bin  go install $(LDFLAGS) \
	       cmd/voltctl/voltctl.go

run: dependencies
	GOPATH=$(GOPATH) go run $(LDFLAGS) github.com/opencord/voltctl/cmd/voltctl $(CMD)

lint: dependencies
	GOPATH=$(GOPATH) find $(GOPATH)/src/github.com/opencord/voltctl -name "*.go" -not -path '$(GOPATH)/src/github.com/opencord/voltctl/vendor/*' | xargs gofmt -l
	GOPATH=$(GOPATH) go vet ./...
	dep check

test: dependencies
	@mkdir -p ./tests/results
	@set +e; \
	GOPATH=$(GOPATH) go test -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

view-coverage:
	GOPATH=$(GOPATH) go tool cover -html ./tests/results/go-test-coverage.out

clean:
	rm -rf voltctl voltctl.cp release