.DEFAULT_GOAL := help
UNAME_S := $(shell uname -s 2>/dev/null || echo Windows)
GOOS_LINUX := GOOS=linux GOARCH=amd64
GIT_SHA := $(shell git rev-parse --short HEAD 2>/dev/null || echo dev)
LDFLAGS := -s -w -X vetting/internal/version.GitSHA=$(GIT_SHA)

.PHONY: help
help: ## Show targets
	@awk 'BEGIN {FS = ":.*##"} /^[a-zA-Z_-]+:.*##/ {printf "  %-20s %s\n", $$1, $$2}' $(MAKEFILE_LIST)

.PHONY: templ
templ: ## Generate templ .go files
	templ generate

.PHONY: orchestrator
orchestrator: templ ## Build orchestrator for host OS
	go build -ldflags="$(LDFLAGS)" -o bin/vetting$(if $(filter Windows%,$(UNAME_S)),.exe,) ./cmd/vetting

.PHONY: orchestrator-linux
orchestrator-linux: templ ## Cross-build orchestrator for linux-amd64
	$(GOOS_LINUX) go build -ldflags="$(LDFLAGS)" -o bin/vetting-linux-amd64 ./cmd/vetting

.PHONY: agent
agent: ## Build agent for host OS (handy for unit testing only — real agent runs in the live image)
	go build -ldflags="$(LDFLAGS)" -o bin/vetting-agent$(if $(filter Windows%,$(UNAME_S)),.exe,) ./cmd/vetting-agent

.PHONY: agent-linux
agent-linux: ## Cross-build agent for linux-amd64 (consumed by live-image build)
	$(GOOS_LINUX) go build -ldflags="$(LDFLAGS)" -o bin/vetting-agent.linux-amd64 ./cmd/vetting-agent

.PHONY: tidy
tidy: ## go mod tidy
	go mod tidy

.PHONY: fmt
fmt: ## go fmt
	go fmt ./...

.PHONY: vet
vet: ## go vet
	go vet ./...

.PHONY: test
test: templ ## Run tests
	go test ./...

.PHONY: test-race
test-race: templ ## Run tests with the race detector
	go test -race -count=1 ./...

.PHONY: e2e
e2e: ## Run the QEMU PXE E2E test (Linux, root, live image required)
	sudo go test -tags=e2e -v ./test/e2e/...

.PHONY: live-image
live-image: agent-linux ## Build reproducible live image (requires Linux/WSL + mkosi)
ifneq ($(findstring Windows,$(UNAME_S))$(findstring MINGW,$(UNAME_S))$(findstring MSYS,$(UNAME_S)),)
	@echo "ERROR: live-image must be built under Linux (use WSL: wsl make live-image)." && exit 1
endif
	$(MAKE) -C live-image all

.PHONY: all
all: orchestrator agent ## Build everything buildable on host OS

.PHONY: run
run: orchestrator ## Build and run orchestrator with example config
	./bin/vetting$(if $(filter Windows%,$(UNAME_S)),.exe,) --config deploy/vetting.example.yaml

.PHONY: install
install: orchestrator-linux agent-linux ## Run deploy/install.sh (must be run on the target LXC as root)
	sudo ./deploy/install.sh --binary ./bin/vetting-linux-amd64 --agent-binary ./bin/vetting-agent.linux-amd64

.PHONY: release
release: orchestrator-linux agent-linux live-image ## Build the scp-and-go release tarball (run from Linux/WSL)
ifneq ($(findstring Windows,$(UNAME_S))$(findstring MINGW,$(UNAME_S))$(findstring MSYS,$(UNAME_S)),)
	@echo "ERROR: make release must be run from Linux/WSL (live-image dep needs mkosi)." && exit 1
endif
	@set -e; \
	  stamp=vetting-bundle-$(GIT_SHA); \
	  rm -rf build/$$stamp bin/$$stamp.tar.gz; \
	  mkdir -p build/$$stamp/bin build/$$stamp/live-image; \
	  cp bin/vetting-linux-amd64 bin/vetting-agent.linux-amd64 build/$$stamp/bin/; \
	  cp live-image/build/vmlinuz live-image/build/initrd.img build/$$stamp/live-image/; \
	  cp deploy/install.sh deploy/pxe-setup.sh deploy/vetting.service \
	     deploy/vetting.production.yaml deploy/ipxe-shas.txt build/$$stamp/; \
	  echo $(GIT_SHA) > build/$$stamp/VERSION; \
	  tar -C build -czf bin/$$stamp.tar.gz $$stamp; \
	  echo "wrote bin/$$stamp.tar.gz ($$(du -h bin/$$stamp.tar.gz | cut -f1))"

.PHONY: clean
clean: ## Remove build artifacts
	rm -rf bin out dist tmp build
