VERSION := $(shell git describe --tags --abbrev=0 2>/dev/null || echo "dev")
COMMIT := $(shell git rev-parse --short HEAD 2>/dev/null || echo "unknown")
BRANCH := $(shell git rev-parse --abbrev-ref HEAD 2>/dev/null || echo "unknown")
BUILD_TIME := $(shell date "+%Y-%m-%d %H:%M:%S")

LDFLAGS := -X 'gosvc.setVersionNumber=$(VERSION)' \
           -X 'gosvc.setVersionRelease=$(BRANCH)' \
           -X 'gosvc.setVersionBuildTime=$(BUILD_TIME)' \
           -X 'gosvc.setVersionDescription=RobotFS Service (commit: $(COMMIT))'

UNAME_S := $(shell uname -s)

BINARY_NAME := robotfs

.PHONY: all
all: proto build

.PHONY: proto
proto:
	@echo "Generating protobuf files..."
	protoc --go_out=. --go_opt=paths=source_relative pb/*.proto

.PHONY: build
build:
ifeq ($(UNAME_S),Darwin)
	@echo "Building for MacOS..."
	GOOS=darwin GOARCH=amd64 go build -ldflags "$(LDFLAGS)" -o $(BINARY_NAME) ./
else
	@echo "Building for Linux..."
	GOOS=linux GOARCH=amd64 go build -ldflags "$(LDFLAGS)" -o $(BINARY_NAME) ./
endif

.PHONY: build-linux
build-linux:
	@echo "Building for Linux..."
	GOOS=linux GOARCH=amd64 go build -ldflags "$(LDFLAGS)" -o $(BINARY_NAME) ./

.PHONY: clean
clean:
	rm -f $(BINARY_NAME)
	rm -f pb/*.pb.go

.PHONY: help
help:
	@echo "Available targets:"
	@echo "  all        	- Generate protobuf files and build for current platform (default)"
	@echo "  proto      	- Generate protobuf files"
	@echo "  build      	- Build for current platform"
	@echo "  build-linux  - Build for linux platform"
	@echo "  clean      	- Remove built binaries and generated protobuf files"