#
# Ansible Boilerplate Collection: Makefile for inclusion into projects using it.
#

PYTHON ?= python3
SOURCE_ROOT ?= $(CURDIR)
VENV_D = $(SOURCE_ROOT)/.venv
VENV_BIN = $(VENV_D)/bin

check-ansible: $(VENV_BIN)/ansible-lint
#	Check Ansible executable ...
	"$(VENV_BIN)"/ansible --version
#	Run ansible-playbook syntax check, when a "site play" is found ...
ifneq ("$(wildcard playbooks/site.yml)","")
	"$(VENV_BIN)"/ansible-playbook --syntax-check playbooks/site.yml
endif
ifneq ("$(wildcard site.yml)","")
	"$(VENV_BIN)"/ansible-playbook --syntax-check site.yml
endif
#	Run ansible-lint ...
	"$(VENV_BIN)"/ansible-lint --offline --project-dir "$(SOURCE_ROOT)" --show-relpath

distclean-ansible:
#	Remove Python "virtual environment" ...
	rm -fr "$(SOURCE_ROOT)"/.venv
#	Remove Ansible Galaxy collections and roles
	rm -fr "$(SOURCE_ROOT)"/ansible_galaxy/ansible_collections "$(SOURCE_ROOT)"/ansible_galaxy/ansible_roles
#	Try to remove the "ansible_galaxy" directory (if empty), but ignore errors.
	rmdir "$(SOURCE_ROOT)"/ansible_galaxy || true
#	Remove cache directory, used by the Ansible "facts cache" for example ...
	rm -fr "$(SOURCE_ROOT)"/.cache
#	Clean up symlinked commands in dependant projects ...
	for cmd in "$(SOURCE_ROOT)"/bin/a "$(SOURCE_ROOT)"/bin/ap "$(SOURCE_ROOT)"/bin/aps; do \
	  test -h "$$cmd" && rm -f "$$cmd" || true; \
	 done

$(VENV_BIN)/ansible $(VENV_BIN)/ansible-galaxy $(VENV_BIN)/ansible-lint venv: $(SOURCE_ROOT)/requirements.txt $(VENV_BIN)/pip
#	Install/upgrade Python package manager
	"$(VENV_BIN)"/pip install --upgrade pip wheel
#	Install/upgrade Python dependencies ...
	"$(VENV_BIN)"/pip install --upgrade --requirement $(SOURCE_ROOT)/requirements.txt
	touch -c "$(VENV_BIN)/ansible" "$(VENV_BIN)/ansible-galaxy" "$(VENV_BIN)/ansible-lint"

$(VENV_BIN)/pip:
#	Create/upgrade Python "virtual environment"
	"$(PYTHON)" -m venv "$(SOURCE_ROOT)"/.venv
	touch -c "$(VENV_BIN)/pip"

.PHONY: venv

ifneq ($(patsubst %..,,$(lastword $(SOURCE_ROOT))),)
# SOURCE_ROOT does not end in "..", so looks like this Makefile fragment is
# included in the top-level Makefile. So add some proprietary targets to the
# "common" toplevel targets:

all: $(VENV_BIN)/ansible $(VENV_BIN)/ansible-galaxy $(VENV_BIN)/ansible-lint
check: check-ansible
distclean: distclean-ansible

upgrade: $(SOURCE_ROOT)/bin/ansible-boilerplate
	$(SOURCE_ROOT)/bin/ansible-boilerplate upgrade

.PHONY: check distclean
endif