#
# 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.
#

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

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

DOCKER_EXTRA_ARGS        ?=
DOCKER_REGISTRY          ?=
DOCKER_REPOSITORY        ?=
DOCKER_TAG               ?= ${VERSION}
IMAGENAME        := ${DOCKER_REGISTRY}${DOCKER_REPOSITORY}openolt-scale-tester:${DOCKER_TAG}

# Default is GO111MODULE=auto, which will refuse to use go mod if running
# go less than 1.13.0 and this repository is checked out in GOPATH. For now,
# force module usage. This affects commands executed from this Makefile, but
# not the environment inside the Docker build (which does not build from
# inside a GOPATH).
export GO111MODULE=on

DOCKER_BUILD_ARGS ?= \
	${DOCKER_EXTRA_ARGS} \

.PHONY: docker-build local-protos local-lib-go

# This should to be the first and default target in this Makefile
help:
	@echo "Usage: make [<target>]"
	@echo "where available targets are:"
	@echo ""
	@echo "clean             : Removes any local filesystem artifacts generated by a build"
	@echo "distclean         : Removes any local filesystem artifacts generated by a build or test run"
	@echo "build             : Build all openolt adapter artifacts"
	@echo "docker-build      : Build openolt adapter docker image"
	@echo "docker-push       : Push the docker images to an external repository"
	@echo "help              : Print this help"
	@echo "lint              : Run all lint targets"
	@echo "lint-mod          : Verify the Go dependencies"
	@echo "lint-sanity       : Run the Go language sanity tests (vet)"
	@echo "lint-style        : Verify the Go standard format of the source"
	@echo "sca               : Runs various SCA through golangci-lint tool"
	@echo "test              : Run unit tests, if any"
	@echo

## 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/v4/go
	mkdir -p vendor/github.com/opencord/voltha-protos/v4/go
	cp -r ${LOCAL_PROTOS}/go/* vendor/github.com/opencord/voltha-protos/v4/go
	rm -rf vendor/github.com/opencord/voltha-protos/v4/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/v4/pkg
	cp -r ${LOCAL_LIB_GO}/pkg/* vendor/github.com/opencord/voltha-lib-go/v4/pkg/
endif

## Docker targets

build: docker-build

docker-build: local-protos local-lib-go
	docker build $(DOCKER_BUILD_ARGS) -t ${IMAGENAME} -f docker/Dockerfile .

docker-push:
	docker push ${IMAGENAME}

lint-style:
ifeq (,$(shell which gofmt))
	go get -u github.com/golang/go/src/cmd/gofmt
endif
	@echo "Running style check..."
	@gofmt_out="$$(gofmt -l $$(find . -name '*.go' -not -path './vendor/*'))" ;\
	if [ ! -z "$$gofmt_out" ]; then \
	  echo "$$gofmt_out" ;\
	  echo "Style check failed on one or more files ^, run 'go fmt' to fix." ;\
	  exit 1 ;\
	fi
	@echo "Style check OK"

lint-sanity:
	@echo "Running sanity check..."
	@go vet -mod=vendor ./...
	@echo "Sanity check OK"

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" && echo "`git status`" && 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" && echo "`git status`" && 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" && echo "`git status`" && 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" && echo "`git status`" && exit 1)
	@echo "Vendor check OK."

lint: lint-style lint-sanity lint-mod

# There is no unit test for openolt-scale-tester as of today. Just ensure docker-build is successful
test: docker-build

GOLANGCI_LINT_TOOL:=$(shell which golangci-lint)
sca: golangci_lint_tool_install
	@mkdir -p ./sca-report
	golangci-lint run --out-format junit-xml ./... 2>&1 | tee ./sca-report/sca-report.xml

clean:

distclean: clean
	rm -rf ./sca_report

# end file