# Makefile for mod_reqin_log
# Apache HTTPD module for logging HTTP requests as JSON to Unix socket

# APXS tool path (can be overridden)
APXS ?= apxs

# Compiler settings
CC ?= gcc
CFLAGS ?= -Wall -Wextra -O2

# Directories
SRC_DIR = src
BUILD_DIR = build
INSTALL_DIR = modules
DIST_DIR = dist

# Source files
SRCS = $(SRC_DIR)/mod_reqin_log.c

# Module name
MODULE_NAME = mod_reqin_log

# Package version
VERSION ?= 1.0.0

.PHONY: all clean install uninstall test package package-deb package-rpm

all: $(MODULE_NAME).so

# Build the module using apxs
# Note: Use -Wc to pass flags to the C compiler through apxs
$(MODULE_NAME).so: $(SRCS)
	@mkdir -p $(BUILD_DIR)
	$(APXS) -c -Wc,"$(CFLAGS)" -o $(BUILD_DIR)/$(MODULE_NAME).so $(SRCS)
	@mkdir -p $(INSTALL_DIR)
	@if [ -f $(BUILD_DIR)/.libs/$(MODULE_NAME).so ]; then \
		cp $(BUILD_DIR)/.libs/$(MODULE_NAME).so $(INSTALL_DIR)/; \
	elif [ -f $(BUILD_DIR)/$(MODULE_NAME).so ]; then \
		cp $(BUILD_DIR)/$(MODULE_NAME).so $(INSTALL_DIR)/; \
	fi

# Install the module
install: $(MODULE_NAME).so
	@echo "Installing $(MODULE_NAME).so..."
	@mkdir -p $(DESTDIR)/usr/lib/apache2/modules
	cp $(BUILD_DIR)/$(MODULE_NAME).so $(DESTDIR)/usr/lib/apache2/modules/
	@echo "Installation complete."
	@echo "Enable the module by adding to your httpd.conf:"
	@echo "  LoadModule reqin_log_module modules/mod_reqin_log.so"

# Uninstall the module
uninstall:
	rm -f $(DESTDIR)/usr/lib/apache2/modules/$(MODULE_NAME).so
	@echo "Uninstallation complete."

# Clean build artifacts
clean:
	rm -rf $(BUILD_DIR) $(INSTALL_DIR)
	rm -f .libs/*.o .libs/*.la .libs/*.so
	rm -f *.o *.la *.lo
	rm -rf .libs

# Run unit tests (requires cmocka)
test:
	@mkdir -p build/tests
	cd build/tests && cmake ../../ -DCMAKE_BUILD_TYPE=Debug
	$(MAKE) -C build/tests run_tests

# Build with debug symbols
debug: CFLAGS += -g -DDEBUG
debug: clean all

# =============================================================================
# Packaging (DEB + RPM with Docker + fpm)
# =============================================================================

## package: Build all packages (deb + rpm)
package: package-deb package-rpm

## package-deb: Build DEB package (requires Docker)
package-deb:
	mkdir -p $(DIST_DIR)/deb $(DIST_DIR)/rpm
	docker build --target output -t mod_reqin_log-packager:latest \
		--build-arg VERSION=$(VERSION) \
		-f Dockerfile.package .
	@echo "Extracting packages from Docker image..."
	docker run --rm -v $(PWD)/$(DIST_DIR):/output mod_reqin_log-packager:latest \
		sh -c 'cp -r /packages/deb /output/deb/ && cp -r /packages/rpm /output/rpm/'
	@echo "DEB packages created:"
	ls -la $(DIST_DIR)/deb/
	@echo "RPM packages created:"
	ls -la $(DIST_DIR)/rpm/

## package-rpm: Build RPM package (requires Docker)
package-rpm: package-deb
	@echo "RPM built together with DEB in Dockerfile.package"

## test-package-deb: Test DEB package installation in Docker
test-package-deb: package-deb
	docker run --rm -v $(PWD)/$(DIST_DIR)/deb:/packages:ro debian:latest \
		sh -c "apt-get update && apt-get install -y /packages/*.deb && echo 'DEB install OK'"

## test-package-rpm: Test RPM package installation in Docker
test-package-rpm: package-deb
	docker run --rm -v $(PWD)/$(DIST_DIR)/rpm:/packages:ro rockylinux:8 \
		sh -c "dnf install -y /packages/*.rpm && echo 'RPM install OK'"

## test-package: Test all packages installation
test-package: test-package-deb test-package-rpm

# Help target
help:
	@echo "mod_reqin_log Makefile"
	@echo ""
	@echo "Targets:"
	@echo "  all       - Build the module (default)"
	@echo "  install   - Install the module to DESTDIR"
	@echo "  uninstall - Remove the module from DESTDIR"
	@echo "  clean     - Remove build artifacts"
	@echo "  test      - Run unit tests"
	@echo "  debug     - Build with debug symbols"
	@echo "  package   - Build all packages (deb + rpm)"
	@echo "  package-deb  - Build DEB package"
	@echo "  package-rpm  - Build RPM package"
	@echo "  test-package - Test package installation"
	@echo ""
	@echo "Variables:"
	@echo "  APXS     - Path to apxs tool (default: apxs)"
	@echo "  CC       - C compiler (default: gcc)"
	@echo "  CFLAGS   - Compiler flags (default: -Wall -Wextra -O2)"
	@echo "  DESTDIR  - Installation destination (default: /)"
	@echo "  VERSION  - Package version (default: 1.0.0)"