# Makefile for Waku Go Bindings

# Path to logos-messaging-nim (nwaku) submodule
LMN_DIR ?= $(shell pwd)/../vendor/logos-messaging-nim

# Default paths for libwaku library and headers (can be overridden)
LIBWAKU_HEADER_PATH ?= $(LMN_DIR)/library
LIBWAKU_LIB_PATH ?= $(LMN_DIR)/build

export CGO_CFLAGS := -I$(LIBWAKU_HEADER_PATH)/
export CGO_LDFLAGS := -L$(LIBWAKU_LIB_PATH)/ -lwaku -Wl,-rpath,$(LIBWAKU_LIB_PATH)/

# Expected files
HEADER_FILE := $(LIBWAKU_HEADER_PATH)/libwaku.h
LIB_FILES   := $(wildcard $(LIBWAKU_LIB_PATH)/libwaku.*)

.PHONY: all clean prepare build test build-auto test-auto build-libwaku

# Validate necessary folders and files
check-folders:
	@echo Checking libwaku header directory ...
	@if [ -z "$(LIBWAKU_HEADER_PATH)" ]; then \
		echo "ERROR: LIBWAKU_HEADER_PATH not set"; exit 1; \
	fi
	@if [ ! -d "$(LIBWAKU_HEADER_PATH)" ]; then \
		echo "ERROR: Header path does not exist: $(LIBWAKU_HEADER_PATH)"; exit 1; \
	fi

	@echo Checking libwaku lib directory ...
	@if [ -z "$(LIBWAKU_LIB_PATH)" ]; then \
		echo "ERROR: LIBWAKU_LIB_PATH not set"; exit 1; \
	fi
	@if [ ! -d "$(LIBWAKU_LIB_PATH)" ]; then \
		echo "ERROR: Library path does not exist: $(LIBWAKU_LIB_PATH)"; exit 1; \
	fi

	@echo Checking for libwaku.h ...
	@if [ ! -f "$(HEADER_FILE)" ]; then \
		echo "ERROR: libwaku.h not found at: $(HEADER_FILE)"; exit 1; \
	fi

	@echo Checking for libwaku library file ...
	@if [ -z "$(LIB_FILES)" ]; then \
		echo "ERROR: No libwaku library file found in: $(LIBWAKU_LIB_PATH)"; exit 1; \
	fi

build-libwaku:
	@echo "Checking/Building libwaku ..."
	@if [ -f "$(HEADER_FILE)" ] && [ -n "$(LIB_FILES)" ]; then \
		 echo "libwaku artifacts found, skipping build"; \
	else \
		 if [ ! -d "$(LMN_DIR)" ]; then \
		   echo "No nwaku sources at $(LMN_DIR); cloning shallow copy"; \
		   mkdir -p $(dir $(LMN_DIR)); \
		   git clone --depth 1 https://github.com/logos-messaging/logos-messaging-nim.git $(LMN_DIR); \
		 fi; \
		 echo "Compiling libwaku ..."; \
		 $(MAKE) -C $(LMN_DIR) libwaku; \
	fi

build: build-libwaku check-folders
	@echo "Building Waku Go Bindings (manual)..."
	go build .

test: build
	@echo "Running tests (manual)..."
	@if [ -z "$(TEST)" ]; then \
		go test .; \
	else \
		go test . -count=1 -run $(TEST) -v; \
	fi

build-auto: build-libwaku check-folders
	@echo "Building Waku Go Bindings (auto)..."
	go build ./

test-auto: build-auto
	@echo "Running tests (auto)..."
	@if [ -z "$(TEST)" ]; then \
		go test ./...; \
	else \
		go test ./ -count=1 -run $(TEST) -v; \
	fi


# Clean up generated files
clean:
	@echo "Cleaning up..."
	@rm -f waku-go-bindings