# MyBeacon Native - Build Makefile
# Cross-compilation for ARM (Luckfox Pico Ultra W)

BINDIR := bin
ARMDIR := $(BINDIR)/arm
CMDS := ble-scanner wifi-scanner beacon-daemon

# Build flags
LDFLAGS := -s -w
BUILD_FLAGS := -trimpath -buildvcs=false

# Device settings
DEVICE_IP ?= 192.168.1.100
DEVICE_USER ?= root

.PHONY: all clean native arm deps deploy

# Default: native build
all: native

# Native build (for testing on x86)
native:
	@mkdir -p $(BINDIR)
	@for cmd in $(CMDS); do \
		echo "Building $$cmd (native)..."; \
		go build $(BUILD_FLAGS) -ldflags "$(LDFLAGS)" -o $(BINDIR)/$$cmd ./cmd/$$cmd; \
	done
	@echo "Build complete: $(BINDIR)/"

# ARM cross-compile (pure Go, no CGO needed)
arm:
	@mkdir -p $(ARMDIR)
	@for cmd in $(CMDS); do \
		echo "Building $$cmd (arm)..."; \
		CGO_ENABLED=0 GOOS=linux GOARCH=arm GOARM=7 \
		go build $(BUILD_FLAGS) -ldflags "$(LDFLAGS)" -o $(ARMDIR)/$$cmd ./cmd/$$cmd; \
	done
	@ls -lh $(ARMDIR)/
	@echo "ARM build complete: $(ARMDIR)/"

# Install dependencies
deps:
	go mod download
	go mod tidy

# Clean
clean:
	rm -rf $(BINDIR)
	go clean

# Run tests
test:
	go test -v ./...

# Format code
fmt:
	go fmt ./...

# Lint
lint:
	go vet ./...

# Deploy to device via SCP
deploy: arm
	@echo "Deploying to $(DEVICE_USER)@$(DEVICE_IP)..."
	scp $(ARMDIR)/ble-scanner $(ARMDIR)/wifi-scanner $(ARMDIR)/beacon-daemon \
		$(DEVICE_USER)@$(DEVICE_IP):/opt/mybeacon/bin/
	@echo "Deploy complete!"

# Create release tarball
release: arm
	@mkdir -p release
	tar czvf release/mybeacon-arm-$$(date +%Y%m%d).tar.gz \
		-C $(ARMDIR) ble-scanner wifi-scanner beacon-daemon
	@echo "Release tarball created: release/mybeacon-arm-$$(date +%Y%m%d).tar.gz"

# Show help
help:
	@echo "MyBeacon Build System"
	@echo ""
	@echo "Targets:"
	@echo "  make native    - Build for current platform (default)"
	@echo "  make arm       - Cross-compile for ARM (Luckfox)"
	@echo "  make deps      - Download dependencies"
	@echo "  make clean     - Clean build artifacts"
	@echo "  make test      - Run tests"
	@echo "  make deploy    - Deploy to device (set DEVICE_IP)"
	@echo "  make release   - Create release tarball"
	@echo ""
	@echo "Variables:"
	@echo "  DEVICE_IP=x.x.x.x  - Device IP for deploy"
	@echo "  DEVICE_USER=root   - Device user for deploy"