# Variables
ROOT_DIR := $(PWD)
RPMS_DIR := $(ROOT_DIR)/rpms

# Automatically find all package/version directories
PACKAGES := $(shell find $(RPMS_DIR) -mindepth 2 -maxdepth 2 -type d | sed "s|$(RPMS_DIR)/||")

# Default target to build all packages and versions
.PHONY: all list build buildall clean
all: $(PACKAGES)

list:
	@echo "$(PACKAGES)"

# Build specific package/version
.PHONY: $(PACKAGES)
$(PACKAGES):
	@PACKAGE_NAME=$(shell echo $(@) | cut -d/ -f1) && \
	PACKAGE_VERSION=$(shell echo $(@) | cut -d/ -f2) && \
	echo "Building RPM for $$PACKAGE_NAME version $$PACKAGE_VERSION" && \
	$(MAKE) build PACKAGE_NAME=$$PACKAGE_NAME PACKAGE_VERSION=$$PACKAGE_VERSION

# Build target
build:
	@mkdir -p $(ROOT_DIR)/dist/$(PACKAGE_NAME)/
	@echo "Preparing to build $(PACKAGE_NAME) version $(PACKAGE_VERSION)"
	@cd $(RPMS_DIR)/$(PACKAGE_NAME) && \
		export PACKAGE_RELEASE=$$(cat $(PACKAGE_VERSION)/release) && \
		echo "Using PACKAGE_RELEASE=$${PACKAGE_RELEASE}" && \
		docker build \
			--build-arg PACKAGE_VERSION=$(PACKAGE_VERSION) \
			--build-arg PACKAGE_RELEASE=$${PACKAGE_RELEASE} \
			-t $$(echo $(PACKAGE_NAME)-builder \
			| tr '[:upper:]' '[:lower:]') . && \
		docker create --name $(PACKAGE_NAME)-$(PACKAGE_VERSION)-builder \
			$$(echo $(PACKAGE_NAME)-builder | tr '[:upper:]' '[:lower:]') && \
		docker start -a $(PACKAGE_NAME)-$(PACKAGE_VERSION)-builder && \
		docker cp $(PACKAGE_NAME)-$(PACKAGE_VERSION)-builder:/app/dist/. $(ROOT_DIR)/dist/$(PACKAGE_NAME)/ && \
		docker rm $(PACKAGE_NAME)-$(PACKAGE_VERSION)-builder

# Clean target
clean:
	@echo "Cleaning build artifacts..."
	rm -rf $(ROOT_DIR)/dist