EXEC=entity-maker
BUILD_DIR=./build
CMD_DIR=./cmd/entity-maker

# Build variables
GOOS ?= linux
GOARCH ?= amd64
LDFLAGS=-s -w


.PHONY: build
build:
	@echo "Building ${EXEC} for ${GOOS}/${GOARCH}..."
	@mkdir -p ${BUILD_DIR}
	@CGO_ENABLED=0 GOOS=${GOOS} GOARCH=${GOARCH} go build \
		-ldflags "${LDFLAGS}" \
		-trimpath \
		-o ${BUILD_DIR}/${EXEC} \
		${CMD_DIR}
	@echo "✓ Binary created: ${BUILD_DIR}/${EXEC}"
	@ls -lh ${BUILD_DIR}/${EXEC}


.PHONY: build-dev
build-dev:
	@echo "Building ${EXEC} (development mode)..."
	@mkdir -p ${BUILD_DIR}
	@go build -o ${BUILD_DIR}/${EXEC} ${CMD_DIR}
	@echo "✓ Binary created: ${BUILD_DIR}/${EXEC}"


.PHONY: install
install: build
	@echo "Installing ${EXEC} to /usr/local/bin..."
	@sudo cp ${BUILD_DIR}/${EXEC} /usr/local/bin/${EXEC}
	@echo "✓ Installed successfully"


.PHONY: clean
clean:
	@echo "Cleaning build artifacts..."
	@rm -rf ${BUILD_DIR}
	@rm -f ${EXEC}
	@echo "✓ Clean complete"


.PHONY: test
test:
	@echo "Running tests..."
	@go test -v ./...


.PHONY: verify-static
verify-static: build
	@echo "Verifying binary is statically linked..."
	@file ${BUILD_DIR}/${EXEC}
	@ldd ${BUILD_DIR}/${EXEC} 2>&1 || echo "✓ Binary is statically linked"


.PHONY: upgrade-packages
upgrade-packages:
	@echo "Upgrading Go packages..."
	@go get -u ./...
	@go mod tidy
	@echo "✓ Packages upgraded"


.PHONY: help
help:
	@echo "Entity Maker - Makefile targets:"
	@echo ""
	@echo "  build              Build static binary for Linux (default)"
	@echo "  build-dev          Build development binary with debug symbols"
	@echo "  install            Install binary to /usr/local/bin"
	@echo "  clean              Remove build artifacts"
	@echo "  test               Run tests"
	@echo "  verify-static      Verify binary has no dynamic dependencies"
	@echo "  upgrade-packages   Update Go dependencies"
	@echo "  help               Show this help message"
	@echo ""
	@echo "Build options:"
	@echo "  GOOS=linux GOARCH=amd64 make build    (default)"
	@echo ""