Makefile

BINARY     := nodeshare
MODULE     := nodeshare
GO         := go

export PATH := $(HOME)/go/bin:$(HOME)/.local/bin:$(PATH)
ifeq ($(OS),Windows_NT)
    GOFLAGS    :=
    TEST_FLAGS := -count=1
    BINARY_EXT := .exe
else
    GOFLAGS    := CGO_ENABLED=0
    TEST_FLAGS := -race -count=1
    BINARY_EXT :=
endif
PROTO_DIR  := proto
GEN_DIR    := gen
PROTOC     := protoc
PROTOC_GEN := protoc-gen-go

BUILD_DIR  := dist
VERSION    := 0.1.0
LDFLAGS    := -ldflags "-s -w -X main.version=$(VERSION)"

PLATFORMS  := linux/amd64 linux/arm64 windows/amd64 darwin/amd64 darwin/arm64

ifeq ($(OS),Windows_NT)
    CHECK_PROTOC      := where $(PROTOC) >nul 2>nul || (echo ERROR: protoc not found. Install protoc.&& exit 1)
    CHECK_PROTOC_GEN  := where $(PROTOC_GEN) >nul 2>nul || (echo ERROR: protoc-gen-go not found. Run: go install google.golang.org/protobuf/cmd/protoc-gen-go@latest&& exit 1)
    MKDIR_P           := if not exist $(GEN_DIR) mkdir $(GEN_DIR)
    RM_RF             := rmdir /s /q
    RM_F              := del /f /q
else
    CHECK_PROTOC      := which $(PROTOC) >/dev/null 2>&1 || (echo "ERROR: protoc not found. Install protoc."; exit 1)
    CHECK_PROTOC_GEN  := which $(PROTOC_GEN) >/dev/null 2>&1 || (echo "ERROR: protoc-gen-go not found. Run: go install google.golang.org/protobuf/cmd/protoc-gen-go@latest"; exit 1)
    MKDIR_P           := mkdir -p $(GEN_DIR)
    RM_RF             := rm -rf
    RM_F              := rm -f
endif

.PHONY: all build proto gen test lint clean fmt vet tidy run help install

## all: generate proto, build, and test
all: proto build test

## build: compile the nodeshare binary for the current platform
build: proto
	$(GOFLAGS) $(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(BINARY)$(BINARY_EXT) ./cmd/nodeshare

## proto: generate Go code from .proto definitions
proto:
	@$(CHECK_PROTOC)
	@$(CHECK_PROTOC_GEN)
	@$(MKDIR_P)
	$(PROTOC) \
		--go_out=$(GEN_DIR) \
		--go_opt=paths=source_relative \
		-I$(PROTO_DIR) \
		$(PROTO_DIR)/nodeshare.proto

## test: run all unit tests
test:
	$(GOFLAGS) $(GO) test $(TEST_FLAGS) ./...

## test-v: run tests in verbose mode
test-v:
	$(GOFLAGS) $(GO) test $(TEST_FLAGS) -v ./...

## lint: run golangci-lint (must be installed separately)
lint:
	@which golangci-lint || (echo "ERROR: golangci-lint not found. See https://golangci-lint.run/usage/install/"; exit 1)
	golangci-lint run ./...

## fmt: format all Go source files
fmt:
	$(GO) fmt ./...

## vet: run go vet
vet:
	$(GOFLAGS) $(GO) vet ./...

## tidy: tidy and verify the module graph
tidy:
	$(GO) mod tidy
	$(GO) mod verify

## run: start the daemon on the default port
run: build
	./$(BUILD_DIR)/$(BINARY)$(BINARY_EXT) start

## cross: build release binaries for all target platforms
cross:
	@mkdir -p $(BUILD_DIR)
	@for platform in $(PLATFORMS); do \
		os=$$(echo $$platform | cut -d/ -f1); \
		arch=$$(echo $$platform | cut -d/ -f2); \
		output=$(BUILD_DIR)/$(BINARY)-$$os-$$arch; \
		[ "$$os" = "windows" ] && output=$$output.exe; \
		echo "Building $$output …"; \
		GOOS=$$os GOARCH=$$arch CGO_ENABLED=0 $(GO) build $(LDFLAGS) -o $$output ./cmd/nodeshare || exit 1; \
	done

## clean: remove build artefacts
clean:
ifeq ($(OS),Windows_NT)
	-@$(RM_RF) $(BUILD_DIR) 2>nul || exit 0
	-@$(RM_F) $(subst /,\,$(GEN_DIR))\*.pb.go 2>nul || exit 0
else
	@$(RM_RF) $(BUILD_DIR)
	@$(RM_F) $(GEN_DIR)/*.pb.go
endif

## help: print this help
help:
	@grep -E '^##' $(MAKEFILE_LIST) | sed 's/## //' | column -t -s ':'

## install: install NodeShare to the system path
install:
	@echo "\033[1;36m========================================================\033[0m"
	@echo "\033[1;36m              NodeShare Installation Step               \033[0m"
	@echo "\033[1;36m========================================================\033[0m"
	@if [ ! -f .env ]; then \
		echo "\033[1;33mCreating .env from .env.example...\033[0m"; \
		cp .env.example .env; \
		echo "Please review the newly created \033[1;32m.env\033[0m file to customize configurations."; \
	else \
		echo "\033[1;32mFound existing .env file.\033[0m"; \
	fi
	@echo ""
	@echo "Current configurations in your .env:"
	@echo "\033[0;32m"
	@cat .env | grep -v '^#' | grep -v '^$$' || true
	@echo "\033[0m"
	@echo "\033[1;34mBuilding the latest NodeShare binary...\033[0m"
	@$(MAKE) build
	@echo ""
	@echo "\033[1;34mInstalling binary to system path...\033[0m"
	@if [ -w /usr/local/bin ]; then \
		cp $(BUILD_DIR)/$(BINARY)$(BINARY_EXT) /usr/local/bin/$(BINARY)$(BINARY_EXT); \
		echo "\033[1;32mSuccessfully installed to /usr/local/bin/$(BINARY)$(BINARY_EXT)\033[0m"; \
	elif [ -d $(HOME)/.local/bin ] && [ -w $(HOME)/.local/bin ]; then \
		cp $(BUILD_DIR)/$(BINARY)$(BINARY_EXT) $(HOME)/.local/bin/$(BINARY)$(BINARY_EXT); \
		echo "\033[1;32mSuccessfully installed to $(HOME)/.local/bin/$(BINARY)$(BINARY_EXT)\033[0m"; \
	else \
		echo "\033[1;33mNo write permission to /usr/local/bin. Retrying installation with sudo...\033[0m"; \
		sudo cp $(BUILD_DIR)/$(BINARY)$(BINARY_EXT) /usr/local/bin/$(BINARY)$(BINARY_EXT); \
		echo "\033[1;32mSuccessfully installed to /usr/local/bin/$(BINARY)$(BINARY_EXT)\033[0m"; \
	fi
	@echo ""
	@echo "\033[1;36m========================================================\033[0m"
	@echo "\033[1;32mInstallation complete! Run 'nodeshare --help' to start.\033[0m"
	@echo "\033[1;36m========================================================\033[0m"