#jinja2: lstrip_blocks: "True"
#!/bin/bash

if [ "$(id -u)" != "0" ]; then
	echo "This script must be executed as root! Aborting."
	exit 1
fi

echo "WARNING! You are about to remove everything the playbook installs for {{ matrix_server_fqn_matrix }}: matrix, docker images,..."
echo -n "If you're sure you want to do this, type: 'Yes, I really want to remove everything!'"
read sure

if [ "$sure" != "Yes, I really want to remove everything!" ]; then
	echo "Good thing I asked, exiting"
	exit 0
else
	echo "Stop and remove matrix services"

	# Look for and stop services, avoiding things like
	# 'matrix-synapse-worker@.service' (just a template for instantiated services; can't stop it directly).
	# We use '-xtype f' and not '-type f', because we wish to match symlinks like this:
	# '/etc/systemd/system/matrix-synapse.service.wants/matrix-synapse-worker@generic_worker:18111.service'
	# and stop these instantiated services as well.
	for s in $(find {{ matrix_systemd_path }}/ -xtype f -name "matrix-*" -printf "%f\n" | grep -v '@.service' | uniq); do
		systemctl disable --now $s
	done

	# Get rid of regular service files, as well as symlinks like
	# '/etc/systemd/system/matrix-synapse.service.wants/matrix-synapse-worker@generic_worker:18111.service'
	# and even
	# '/etc/systemd/system/multi-user.target.wants/matrix-synapse.service'.
	for s in $(find {{ matrix_systemd_path }}/ -xtype f -name "matrix-*" -printf "%p\n"); do
		rm -f {{ matrix_systemd_path }}/$s
	done

	systemctl daemon-reload

	echo "Remove matrix scripts"
	find {{ matrix_local_bin_path }}/ -name "matrix-*" -delete
	echo "Remove unused Docker images and resources"
	docker system prune -af
	echo "Remove Docker matrix network (should be gone already, but ..)"
	docker network rm {{ matrix_docker_network }}
	echo "Remove {{ matrix_base_data_path }} directory"
	rm -fr "{{ matrix_base_data_path }}"
	exit 0
fi