# Builder 契约文件。放到项目根，用 `make -f makefile.builder <target>`。
# 不要把这些目标写进用户的 Makefile / makefile。
# 初始化时按项目轨道删掉未使用的 deb / docker 段。
# 把 build 的 TODO 换成真实编译命令；禁止在 build / deb / docker 里上传。
# build 必须尊重 $(ARCH)。要发双架构时把 arm64 写进 ARCHES，不要改 .env.builder。
#
# include 路径见 references/contract.md。测试或非标准安装可设 BUILDER_SKILL_DIR。

ARCHES ?= amd64
ARCH ?= $(firstword $(ARCHES))
ifeq ($(strip $(ARCHES)),)
$(error ARCHES must not be empty)
endif
ifneq ($(filter-out amd64 arm64,$(ARCHES)),)
$(error ARCHES entries must be amd64 or arm64)
endif
ifneq ($(filter $(ARCH),$(ARCHES)),$(ARCH))
$(error ARCH must be one of: $(ARCHES))
endif

# Fan-out over ARCHES only when ARCH was not set on the CLI/environment.
_ARCH_FROM_FILE := $(filter file default undefined,$(origin ARCH))
_MULTI_ARCH := $(and $(_ARCH_FROM_FILE),$(filter-out 1,$(words $(ARCHES))))
_PUSH_DEB_ARCHES := $(if $(_ARCH_FROM_FILE),$(ARCHES),$(ARCH))

PROJECT_NAME ?= $(notdir $(CURDIR))
DIST_DIR ?= dist

ifneq ($(BUILDER_SKILL_DIR),)
  include $(BUILDER_SKILL_DIR)/scripts/version.mk
else
  include $(HOME)/.pouch/skills/builder/scripts/version.mk
endif

BUILDER_SCRIPTS := $(or $(BUILDER_SKILL_DIR),$(HOME)/.pouch/skills/builder)/scripts

.PHONY: help version arches clean build deb docker push push-deb push-docker

help:
	@echo "$(PROJECT_NAME) $(VERSION)"
	@echo "  ARCHES=$(ARCHES)  ARCH=$(ARCH)"
	@echo "  make -f makefile.builder build [ARCH=amd64|arm64]  - 构建主产物 / build"
	@echo "  make -f makefile.builder version                   - 打印规范版本 / canonical version"
	@echo "  make -f makefile.builder arches                    - 打印架构清单 / print ARCHES"
	@echo "  make -f makefile.builder clean                     - 删除 $(DIST_DIR)"
	@echo "  make -f makefile.builder deb                       - 打 DEB（按 ARCHES；只构建不上传）"
	@echo "  make -f makefile.builder docker                    - 本地单平台镜像"
	@echo "  make -f makefile.builder push / push-deb / push-docker"

version:
	@echo $(VERSION)

arches:
	@echo $(ARCHES)

clean:
	rm -rf $(DIST_DIR)

# 替换为项目真实构建命令，且必须使用 $(ARCH)。不得 curl/scp/docker push。
build:
	mkdir -p $(DIST_DIR)
	@echo "TODO: build $(PROJECT_NAME) for linux/$(ARCH)"

ifdef _MULTI_ARCH
deb:
	$(foreach a,$(ARCHES),$(MAKE) -f makefile.builder --no-print-directory deb ARCH=$(a) &&) true
else
deb: build
	mkdir -p $(DIST_DIR)
	rm -rf $(DIST_DIR)/packaging-$(ARCH)
	cp -a packaging $(DIST_DIR)/packaging-$(ARCH)
	sed -e 's/^Architecture:.*/Architecture: $(ARCH)/' \
		$(DIST_DIR)/packaging-$(ARCH)/DEBIAN/control \
		> $(DIST_DIR)/packaging-$(ARCH)/DEBIAN/control.stamped
	mv $(DIST_DIR)/packaging-$(ARCH)/DEBIAN/control.stamped \
		$(DIST_DIR)/packaging-$(ARCH)/DEBIAN/control
	dpkg-deb --build $(DIST_DIR)/packaging-$(ARCH) $(DIST_DIR)/$(PROJECT_NAME)_$(VERSION)_$(ARCH).deb
endif

docker:
	docker build --platform=linux/$(ARCH) -t $(PROJECT_NAME):$(IMAGE_TAG) .

push-deb:
	$(BUILDER_SCRIPTS)/upload_deb.sh $(foreach a,$(_PUSH_DEB_ARCHES),$(DIST_DIR)/$(PROJECT_NAME)_$(VERSION)_$(a).deb)

ifdef _ARCH_FROM_FILE
push-docker:
	$(BUILDER_SCRIPTS)/publish_docker.sh
else
push-docker:
	PLATFORMS=linux/$(ARCH) $(BUILDER_SCRIPTS)/publish_docker.sh
endif

# 单产物项目只保留一条 push。双产物改为：push: push-deb push-docker
push: push-deb