#===================================================
# Makefile helper functions for golang
#

GO :=go
GO_SUPPORTED_VERSIONS ?= 1.13|1.14|1.15|1.16|1.17|1.18|1.19|1.20|1.21|1.22
GO_LDFLAGS += -X $(VERSION_PACKAGE).GitVersion=$(VERSION) \
	-X $(VERSION_PACKAGE).GitCommit=$(GIT_COMMIT) \
	-X $(VERSION_PACKAGE).GitTreeState=$(GIT_TREE_STATE) \
	-X $(VERSION_PACKAGE).BuildDate=$(shell date -u +'%Y-%m-%dT%H:%M:%SZ')

ifneq ($(DLV),)
	GO_BUILD_FLAGS += -gcflags "all=-N -l"
	LDFLAGS = ""
endif
GO_BUILD_FLAGS += -tags=jsoniter -ldflags "$(GO_LDFLAGS)"

ifeq ($(GOOS),windows)
	GO_OUT_EXT := .exe
endif

ifeq ($(ROOT_PACKAGE),)
	$(error the variable ROOT_PACKAGE must be set prior to including golang.mk)
endif

GOPATH := $(shell go env GOPATH)
ifeq ($(origin GOBIN), undefined)
	GOBIN := $(GOPATH)/bin
endif

COMMANDS ?= $(filter-out %docs, $(wildcard ${ROOT_DIR}/cmd/*))
BINS ?= $(foreach cmd,${COMMANDS},$(notdir ${cmd}))

ifeq (${COMMANDS},)
  $(error Could not determine COMMANDS, set ROOT_DIR or run in source dir)
endif
ifeq (${BINS},)
  $(error Could not determine BINS, set ROOT_DIR or run in source dir)
endif

# 指定测试用例目录
EXCLUDE_TESTS= admin-layout/test

# 判断go版本
.PHONY: go.build.verify
go.build.verify:
ifneq ($(shell $(GO) version | grep -q -E '\bgo($(GO_SUPPORTED_VERSIONS))\b' && echo 0 || echo 1), 0)
	$(error unsupported go version. Please make install one of the following supported version: '$(GO_SUPPORTED_VERSIONS)')
endif

# 编译函数
.PHONY: go.build.%
go.build.%:
	$(eval COMMAND := $(word 2,$(subst ., ,$*)))
	$(eval PLATFORM := $(word 1,$(subst ., ,$*)))
	$(eval OS := $(word 1,$(subst _, ,$(PLATFORM))))
	$(eval ARCH := $(word 2,$(subst _, ,$(PLATFORM))))
	@echo "===========> Building binary $(COMMAND) $(VERSION) for $(OS) $(ARCH)"
	@mkdir -p $(OUTPUT_DIR)/platforms/$(OS)/$(ARCH)
	@CGO_ENABLED=0 GOOS=$(OS) GOARCH=$(ARCH) $(GO) build $(GO_BUILD_FLAGS) -o $(OUTPUT_DIR)/platforms/$(OS)/$(ARCH)/$(COMMAND)$(GO_OUT_EXT) $(ROOT_PACKAGE)/cmd/$(COMMAND)

# 根据当前平台编译
.PHONY: go.build
go.build: go.build.verify $(addprefix go.build., $(addprefix $(PLATFORM)., $(BINS)))

# 多平台编译
.PHONY: go.build.multiarch
go.build.multiarch: go.build.verify $(foreach p,$(PLATFORMS),$(addprefix go.build.,$(addprefix $(p).,$(BINS))))

# 代码检查
.PHONY: go.lint
go.lint: tools.verify.golangci-lint
	@echo "===========> Run golangci to lint source codes"
	@golangci-lint run -c $(ROOT_DIR)/.golangci.yaml $(ROOT_DIR)/...


# 测试用例执行和报告

# 测试覆盖率检查