# ------------------------------------------------------------
# Copyright 2021 The Dapr 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.
# ------------------------------------------------------------

################################################################################
# Variables                                                                    #
################################################################################

export GO111MODULE ?= on
export GOPROXY ?= https://proxy.golang.org
export GOSUMDB ?= sum.golang.org

GIT_COMMIT  = $(shell git rev-list -1 HEAD)
GIT_VERSION = $(shell git describe --always --abbrev=7 --dirty)
# By default, disable CGO_ENABLED. See the details on https://golang.org/cmd/cgo
CGO         ?= 0

LOCAL_ARCH := $(shell uname -m)
ifeq ($(LOCAL_ARCH),x86_64)
	TARGET_ARCH_LOCAL=amd64
else ifeq ($(shell echo $(LOCAL_ARCH) | head -c 5),armv8)
	TARGET_ARCH_LOCAL=arm64
else ifeq ($(shell echo $(LOCAL_ARCH) | head -c 4),armv)
	TARGET_ARCH_LOCAL=arm
else ifeq ($(shell echo $(LOCAL_ARCH) | head -c 5),arm64)
	TARGET_ARCH_LOCAL=arm64
else ifeq ($(shell echo $(LOCAL_ARCH) | head -c 7),aarch64)
	TARGET_ARCH_LOCAL=arm64
else
	TARGET_ARCH_LOCAL=amd64
endif
export GOARCH ?= $(TARGET_ARCH_LOCAL)

LOCAL_OS := $(shell uname)
ifeq ($(LOCAL_OS),Linux)
   TARGET_OS_LOCAL = linux
else ifeq ($(LOCAL_OS),Darwin)
   TARGET_OS_LOCAL = darwin
else
   TARGET_OS_LOCAL ?= windows
endif
export GOOS ?= $(TARGET_OS_LOCAL)

ifeq ($(GOOS),windows)
BINARY_EXT_LOCAL:=.exe
GOLANGCI_LINT:=golangci-lint.exe
# Workaround for https://github.com/golang/go/issues/40795
BUILDMODE:=-buildmode=exe
else
BINARY_EXT_LOCAL:=
GOLANGCI_LINT:=golangci-lint
endif

################################################################################
# Target: test                                                                 #
################################################################################
.PHONY: test
test:
	go test -tags unit ./... $(COVERAGE_OPTS) $(BUILDMODE)

.PHONY: test-race
test-race:
	CGO_ENABLED=1 go test -race -tags unit ./... $(COVERAGE_OPTS) $(BUILDMODE)

################################################################################
# Target: lint                                                                 #
################################################################################
.PHONY: lint
lint:
	$(GOLANGCI_LINT) run --timeout=20m

################################################################################
# Target: go.mod                                                               #
################################################################################
.PHONY: go.mod
go.mod:
	go mod tidy

################################################################################
# Target: check-diff                                                           #
################################################################################
.PHONY: check-diff
check-diff:
	git diff --exit-code ./go.mod # check no changes