#
# Copyright 2016 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

help:
	@echo "build        - build the proxy"
	@echo "lint-style   - Verify code is properly gofmt-ed"
	@echo "lint-sanity  - Verify that 'go vet' doesn't report any issues"
	@echo "lint-mod     - Verify the integrity of the 'mod' files"
	@echo "lint         - run static code analysis"
	@echo "sca          - Runs various SCA through golangci-lint tool"
	@echo "test         - run unity tests"
	@echo "check        - runs targets that should be run before a commit"
	@echo "clean        - remove temporary and generated files"

SHELL=bash -e -o pipefail

# Variables
VERSION                    ?= $(shell cat ./VERSION)

DOCKER_LABEL_VCS_DIRTY     = false
ifneq ($(shell git ls-files --others --modified --exclude-standard 2>/dev/null | wc -l | sed -e 's/ //g'),0)
    DOCKER_LABEL_VCS_DIRTY = true
endif
## Docker related
DOCKER_EXTRA_ARGS          ?=
DOCKER_REGISTRY            ?=
DOCKER_REPOSITORY          ?=
DOCKER_TAG                 ?= ${VERSION}$(shell [[ ${DOCKER_LABEL_VCS_DIRTY} == "true" ]] && echo "-dirty" || true)
DOCKER_IMAGENAME           := ${DOCKER_REGISTRY}${DOCKER_REPOSITORY}nem-ondemand-proxy

## Docker labels. Only set ref and commit date if committed
DOCKER_LABEL_VCS_URL       ?= $(shell git remote get-url $(shell git remote))
DOCKER_LABEL_VCS_REF       = $(shell git rev-parse HEAD)
DOCKER_LABEL_BUILD_DATE    ?= $(shell date -u "+%Y-%m-%dT%H:%M:%SZ")
DOCKER_LABEL_COMMIT_DATE   = $(shell git show -s --format=%cd --date=iso-strict HEAD)

DOCKER_BUILD_ARGS ?= \
        ${DOCKER_EXTRA_ARGS} \
        --build-arg org_label_schema_version="${VERSION}" \
        --build-arg org_label_schema_vcs_url="${DOCKER_LABEL_VCS_URL}" \
        --build-arg org_label_schema_vcs_ref="${DOCKER_LABEL_VCS_REF}" \
        --build-arg org_label_schema_build_date="${DOCKER_LABEL_BUILD_DATE}" \
        --build-arg org_opencord_vcs_commit_date="${DOCKER_LABEL_COMMIT_DATE}" \
        --build-arg org_opencord_vcs_dirty="${DOCKER_LABEL_VCS_DIRTY}"

# tool containers
VOLTHA_TOOLS_VERSION ?= 2.0.0

GO                = 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
GO_SH             = 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 sh -c
GO_JUNIT_REPORT   = docker run --rm --user $$(id -u):$$(id -g) -v ${CURDIR}:/appecho  -i voltha/voltha-ci-tools:${VOLTHA_TOOLS_VERSION}-go-junit-report go-junit-report
GOCOVER_COBERTURA = docker run --rm --user $$(id -u):$$(id -g) -v ${CURDIR}:/app -i voltha/voltha-ci-tools:${VOLTHA_TOOLS_VERSION}-gocover-cobertura gocover-cobertura
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 -e GOGC=10 voltha/voltha-ci-tools:${VOLTHA_TOOLS_VERSION}-golangci-lint golangci-lint
PROTOC    = docker run --rm --user $$(id -u):$$(id -g) -v ${CURDIR}:/app $(shell test -t 0 && echo "-it") voltha/voltha-ci-tools:${VOLTHA_TOOLS_VERSION}-protoc protoc
PROTOC_SH = docker run --rm --user $$(id -u):$$(id -g) -v ${CURDIR}:/go/src/github.com/opencord/nem-ondemand-proxy $(shell test -t 0 && echo "-it") --workdir=/go/src/github.com/opencord/nem-ondemand-proxy voltha/voltha-ci-tools:${VOLTHA_TOOLS_VERSION}-protoc sh -c

PROTO_FILES := $(sort $(wildcard protos/nem_ondemand_api/*.proto))

## Local Development Helpers
local-protos:
ifdef LOCAL_PROTOS
	mkdir -p vendor/github.com/opencord/voltha-protos/v3/go
	cp -r ${LOCAL_PROTOS}/go/* vendor/github.com/opencord/voltha-protos/v3/go
endif

protos:
	@echo "Creating *.go.pb files"
	@${PROTOC_SH} " \
	  set -e -o pipefail; \
	  for x in ${PROTO_FILES}; do \
	    echo \$$x; \
	    protoc --go_out=plugins=grpc:/go/src -I protos \$$x; \
	  done"

build: docker-build

docker-build: local-protos protos
	docker build $(DOCKER_BUILD_ARGS) -t ${DOCKER_IMAGENAME}:${DOCKER_TAG} -t ${DOCKER_IMAGENAME}:latest -f docker/Dockerfile .

docker-push:
	docker push ${DOCKER_IMAGENAME}:${DOCKER_TAG}

lint-mod:
	@echo "Running dependency check..."
	@${GO} 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)
	${GO} mod tidy
	${GO} 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: lint-mod

sca: protos
	@rm -rf ./sca-report
	@mkdir -p ./sca-report
	@echo "Running static code analysis..."
	@${GOLANGCI_LINT} run --deadline=20m --out-format junit-xml ./... | tee ./sca-report/sca-report.xml
	@echo ""
	@echo "Static code analysis OK"

test: protos
	@mkdir -p ./tests/results
	@${GO} 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

view-coverage:
	go tool cover -html ./tests/results/go-test-coverage.out

check: lint sca test

clean:
	rm -rf release sca-report

mod-update:
	${GO} mod tidy
	${GO} mod vendor

.PHONY: protos