GO = go
APP_NAME = wormhole-server
VERSION ?= v1.1.0
BUILD_TIME = $(shell date -u '+%Y-%m-%d_%H:%M:%S')
GIT_COMMIT = $(shell git rev-parse --short HEAD 2>/dev/null || echo "unknown")
LDFLAGS = -ldflags "-X main.version=$(VERSION) -X main.buildTime=$(BUILD_TIME) -X main.gitCommit=$(GIT_COMMIT) -s -w"

# 支持的平台和架构
PLATFORMS = linux/amd64 linux/arm64 linux/386 linux/arm \
           darwin/amd64 darwin/arm64 \
           windows/amd64 windows/386 windows/arm64 \
           freebsd/amd64 freebsd/arm64

# 构建输出目录
BUILD_DIR = bin
DIST_DIR = dist

.PHONY: all build clean deps test run cross-compile release help install docker-build docker-build-multi version platforms

all: clean deps build

deps:
	$(GO) mod download
	$(GO) mod tidy

# 本地构建 (当前平台)
build:
	@echo "Building $(APP_NAME) for current platform..."
	$(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(APP_NAME) cmd/wormhole-server/main.go

# 交叉编译所有平台
cross-compile: clean deps
	@echo "Cross-compiling for all supported platforms..."
	@mkdir -p $(DIST_DIR)
	@for platform in $(PLATFORMS); do \
		OS=$$(echo $$platform | cut -d'/' -f1); \
		ARCH=$$(echo $$platform | cut -d'/' -f2); \
		echo "Building for $$OS/$$ARCH..."; \
		if [ "$$OS" = "windows" ]; then \
			GOOS=$$OS GOARCH=$$ARCH $(GO) build $(LDFLAGS) -o $(DIST_DIR)/$(APP_NAME)-$(VERSION)-$$OS-$$ARCH.exe cmd/wormhole-server/main.go; \
		else \
			GOOS=$$OS GOARCH=$$ARCH $(GO) build $(LDFLAGS) -o $(DIST_DIR)/$(APP_NAME)-$(VERSION)-$$OS-$$ARCH cmd/wormhole-server/main.go; \
		fi; \
	done
	@echo "Cross-compilation completed. Binaries are in $(DIST_DIR)/"

# 创建发布包
release: cross-compile
	@echo "Creating release packages..."
	@cd $(DIST_DIR) && \
	for file in $(APP_NAME)-$(VERSION)-*; do \
		if [ "$${file##*.}" = "exe" ]; then \
			platform=$$(echo $$file | sed 's/$(APP_NAME)-$(VERSION)-//; s/.exe$$//'); \
			zip -q $(APP_NAME)-$(VERSION)-$$platform.zip $$file ../configs/server.yaml ../README.md; \
		else \
			platform=$$(echo $$file | sed 's/$(APP_NAME)-$(VERSION)-//'); \
			tar -czf $(APP_NAME)-$(VERSION)-$$platform.tar.gz $$file -C .. configs/server.yaml README.md; \
		fi; \
	done
	@echo "Release packages created in $(DIST_DIR)/"

# 特定平台构建
build-linux:
	@echo "Building for Linux AMD64..."
	GOOS=linux GOARCH=amd64 $(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(APP_NAME)-linux-amd64 cmd/wormhole-server/main.go

build-darwin:
	@echo "Building for macOS AMD64..."
	GOOS=darwin GOARCH=amd64 $(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(APP_NAME)-darwin-amd64 cmd/wormhole-server/main.go

build-windows:
	@echo "Building for Windows AMD64..."
	GOOS=windows GOARCH=amd64 $(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(APP_NAME)-windows-amd64.exe cmd/wormhole-server/main.go

# ARM平台构建
build-arm64:
	@echo "Building for ARM64..."
	GOOS=linux GOARCH=arm64 $(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(APP_NAME)-linux-arm64 cmd/wormhole-server/main.go

build-darwin-arm64:
	@echo "Building for macOS ARM64 (Apple Silicon)..."
	GOOS=darwin GOARCH=arm64 $(GO) build $(LDFLAGS) -o $(BUILD_DIR)/$(APP_NAME)-darwin-arm64 cmd/wormhole-server/main.go

# 运行和测试
run: build
	./$(BUILD_DIR)/$(APP_NAME) -config configs/server.yaml

test:
	$(GO) test -v ./...

test-race:
	$(GO) test -race -v ./...

bench:
	$(GO) test -bench=. -benchmem ./...

# 清理
clean:
	rm -rf $(BUILD_DIR)/ $(DIST_DIR)/

# 安装到系统
install: build
	sudo cp $(BUILD_DIR)/$(APP_NAME) /usr/local/bin/

# Docker构建
docker-build:
	docker build -t $(APP_NAME):$(VERSION) .

docker-build-multi:
	docker buildx build --platform linux/amd64,linux/arm64 -t $(APP_NAME):$(VERSION) .

# 版本信息
version:
	@echo "Version: $(VERSION)"
	@echo "Build Time: $(BUILD_TIME)"
	@echo "Git Commit: $(GIT_COMMIT)"

# 显示支持的平台
platforms:
	@echo "Supported platforms:"
	@for platform in $(PLATFORMS); do \
		echo "  $$platform"; \
	done

# 帮助信息
help:
	@echo "Wormhole Server Build System"
	@echo ""
	@echo "Available targets:"
	@echo "  build           - Build for current platform"
	@echo "  cross-compile   - Build for all supported platforms"
	@echo "  release         - Create release packages for all platforms"
	@echo "  build-linux     - Build for Linux AMD64"
	@echo "  build-darwin    - Build for macOS AMD64"
	@echo "  build-windows   - Build for Windows AMD64"
	@echo "  build-arm64     - Build for Linux ARM64"
	@echo "  build-darwin-arm64 - Build for macOS ARM64"
	@echo "  run             - Build and run the server"
	@echo "  test            - Run tests"
	@echo "  test-race       - Run tests with race detection"
	@echo "  bench           - Run benchmarks"
	@echo "  clean           - Clean build artifacts"
	@echo "  deps            - Download dependencies"
	@echo "  install         - Install to /usr/local/bin"
	@echo "  docker-build    - Build Docker image"
	@echo "  docker-build-multi - Build multi-arch Docker image"
	@echo "  version         - Show version information"
	@echo "  platforms       - Show supported platforms"
	@echo ""
	@echo "Environment variables:"
	@echo "  VERSION         - Set build version (default: $(VERSION))"
	@echo ""
	@echo "Examples:"
	@echo "  make build                    # Build for current platform"
	@echo "  make cross-compile            # Build for all platforms"
	@echo "  make release                  # Create release packages"
	@echo "  VERSION=v1.2.0 make release   # Create release with custom version"