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

.PHONY: all user install cron clean

all: install cron

user:
	@echo "==> Ensuring user '$(USER)' exists…"
	@sudo getent passwd $(USER) > /dev/null 2>&1 || \
	  ( sudo useradd --system --no-create-home --shell /usr/sbin/nologin $(USER) && \
	    echo "User '$(USER)' created." )
	@echo "User '$(USER)' ready."

install: user
	@echo "==> Installing project to $(INSTALL_DIR)…"
	@sudo mkdir -p $(INSTALL_DIR)
	@sudo cp -r ./* $(INSTALL_DIR)
	@sudo chown -R $(USER):$(USER) $(INSTALL_DIR)
	@echo "Installed and chown → $(USER):$(USER)."

cron: install
	@echo "==> Configuring cron job…"
	@CRON_LINE="$(CRON_SCHEDULE) $(USER) /usr/bin/python3 $(SCRIPT) >> /var/log/$(PROJECT).log 2>&1"
	@sudo crontab -u $(USER) -l 2>/dev/null | grep -F "$$CRON_LINE" \
		|| ( sudo crontab -u $(USER) -l 2>/dev/null; echo "$$CRON_LINE" ) \
		   | sudo crontab -u $(USER) -
	@echo "Cron line for '$(USER)':"
	@echo "  $$CRON_LINE"

clean:
	@echo "==> Cleaning up…"
	-sudo crontab -u $(USER) -r
	-sudo userdel $(USER)
	-sudo rm -rf $(INSTALL_DIR)
	@echo "Cleanup done."