# Copyright (c) 2019 The BFE 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.

# init project path
WORKROOT := $(shell pwd)
OUTDIR := $(WORKROOT)/output

# init environment variables
export PATH := $(shell go env GOPATH)/bin:$(PATH)
export GO111MODULE := on

# init command params
GO := go
GOBUILD := $(GO) build
GOTEST := $(GO) test
GOVET := $(GO) vet
GOGET := $(GO) get
GOGEN := $(GO) generate
GOFLAGS := -race
STATICCHECK := staticcheck

# init arch
ARCH := $(shell getconf LONG_BIT)
ifeq ($(ARCH),64)
	GOTEST += $(GOFLAGS)
endif

# init bfe version
BFE_VERSION ?= $(shell cat VERSION)
# init git commit id
GIT_COMMIT ?= $(shell git rev-parse HEAD)

# init bfe packages
BFE_PKGS := $(shell go list ./...)

# make, make all
all: prepare compile package

# make prepare, download dependencies
prepare: prepare-dep prepare-gen
prepare-dep:
	$(GO) get golang.org/x/tools/cmd/goyacc
prepare-gen:
	cd "bfe_basic/condition/parser" && $(GOGEN)

# make compile, go build
compile: test build
build:
	$(GOBUILD) -ldflags "-X main.version=$(BFE_VERSION) -X main.commit=$(GIT_COMMIT) -extldflags=-static"

# make test, test your code
test: test-case vet-case
test-case:
	$(GOTEST) -cover ./...
vet-case:
	${GOVET} ./...

# make coverage for codecov
coverage:
	echo -n > coverage.txt
	for pkg in $(BFE_PKGS) ; do $(GOTEST) -coverprofile=profile.out -covermode=atomic $${pkg} && cat profile.out >> coverage.txt; done

# make package
package:
	mkdir -p $(OUTDIR)/bin
	mv bfe $(OUTDIR)/bin
	cp -r conf $(OUTDIR)

# make check
check:
	$(GO) get honnef.co/go/tools/cmd/staticcheck
	$(STATICCHECK) ./...

# make docker
docker:
	docker build \
		-t bfe:$(BFE_VERSION) \
		-f Dockerfile \
		.

# make clean
clean:
	$(GOCLEAN)
	rm -rf $(OUTDIR)
	rm -rf $(WORKROOT)/bfe
	rm -rf $(GOPATH)/pkg/linux_amd64

# avoid filename conflict and speed up build 
.PHONY: all prepare compile test package clean build