PROJECT      := certificate-expire-check
USER         := $(PROJECT)
INSTALL_DIR  := /etc/$(PROJECT)
CONF_DIR     := $(INSTALL_DIR)/conf
SCRIPT       := $(INSTALL_DIR)/main.py
CRON_SCHEDULE:= 0 0 */10 * *

.PHONY: all user install cron clean

all: user install cron

user:
	@id -u $(USER) &>/dev/null || \
	sudo useradd --system --no-create-home --shell /usr/sbin/nologin $(USER) && \
	echo "User '$(USER)' has been created."
	@echo "User '$(USER)' already exists - skip it."

# Copy the project to /etc and set permissions
install: user
	sudo mkdir -p $(INSTALL_DIR)
	sudo cp -r ./* $(INSTALL_DIR)
	sudo chown -R $(USER):$(USER) $(INSTALL_DIR)
	@echo "The project is installed in $(INSTALL_DIR) and permissions are assigned to user '$(USER)'."

# Add a cron job as a user
cron: install
	@CRON_LINE="$(CRON_SCHEDULE) /usr/bin/python3 $(SCRIPT) >> /var/log/$(PROJECT).log 2>&1"
	# add CRON_LINE in user crontab if not exists
	@sudo crontab -u $(USER) -l 2>/dev/null | grep -F "$$CRON_LINE" >/dev/null || \
	( sudo crontab -u $(USER) -l 2>/dev/null; echo "$$CRON_LINE" ) | sudo crontab -u $(USER) -
	@echo "Cron entry for user '$(USER)' is set: $$CRON_LINE"

clean:
	-sudo crontab -u $(USER) -r
	-sudo userdel $(USER)
	-sudo rm -rf $(INSTALL_DIR)
	@echo The cleanup is complete."