# Should be the same as upstream version in production
VERSION ?= dev
UBOOT_VERSION=v2026.01

# Target kube version
KUBE_VERSION ?= v1.35.0

GIT_REV := $(shell git rev-parse HEAD)

PACKAGES_DIR := packages
BIN_DIR      := bin
OUT_DIR      := out

UBOOT_TAR     := $(PACKAGES_DIR)/uboot-$(UBOOT_VERSION).tar.gz

BUILDINFO_FILE := pkg/buildinfo/buildinfo_gen.go
CRD_PATHS := ./pkg/apis/...

$(PACKAGES_DIR):
	mkdir -p $@

# Never cache this
.buildinfo:
	@mkdir -p $(dir $(BUILDINFO_FILE))
	@printf '%s\n' \
		'package buildinfo' \
		'' \
		'const (' \
		'    Version     = "$(VERSION)"' \
		'    KubeVersion = "$(KUBE_VERSION)"' \
		'    GitRevision = "$(GIT_REV)"' \
		'    Timestamp   = "'$$(TZ=UTC date +%Y%m%d.%H%M%S)'"' \
		')' \
	> $(BUILDINFO_FILE)

$(UBOOT_TAR): | $(PACKAGES_DIR)
	git clone --depth 1 --branch v2026.01 --filter=blob:none https://github.com/u-boot/u-boot.git $(OUT_DIR)/u-boot-$(UBOOT_VERSION)
	tar -C "$(OUT_DIR)/u-boot-$(UBOOT_VERSION)" -zcf "$@" .
	rm -rf $(OUT_DIR)/u-boot-$(UBOOT_VERSION)
	test -f $@

uboot-tools: $(UBOOT_TAR)
	docker buildx build --platform linux/arm64 \
		-f docker/uboot-tools.Dockerfile \
		--build-arg UBOOT_VERSION=$(UBOOT_VERSION) \
		--build-arg UBOOT_TAR=$(UBOOT_TAR) \
		--output type=local,dest=./$(OUT_DIR) .

build: .buildinfo
	mkdir -p $(BIN_DIR) $(OUT_DIR)/crds
	controller-gen crd paths=$(CRD_PATHS) output:crd:dir=$(OUT_DIR)/crds
	GOOS=linux GOARCH=arm64 go build -o $(BIN_DIR)/ctl-linux-aarch64-$(VERSION) ./cmd/ctl

build-agent: build uboot-tools
	docker build \
		-f docker/ctl-agent.Dockerfile \
		--platform=linux/arm64 \
		--build-arg VERSION=$(VERSION) \
		-t localhost/monok8s/control-agent:$(VERSION) .

build-local: .buildinfo
	mkdir -p $(BIN_DIR)
	go build -o $(BIN_DIR)/ctl-$(VERSION) ./cmd/ctl

run-agent:
	go run -tags dev ./cmd/ctl agent --env-file ./out/cluster.env

clean:
	-docker image rm localhost/monok8s/control-agent:$(VERSION)
	rm -rf $(BIN_DIR) \
		$(BUILDINFO_FILE) \
		$(OUT_DIR)/crds

all: build build-agent build-local

.PHONY: clean all run .buildinfo build build-local build-agent uboot-tools