#!/usr/bin/env bash
# Removes stack directory and its volumes dir:
#   /opt/compose/<STACK>/volumes
#   /opt/compose/<STACK>
#
# Usage:
#   ./purge/entity/dir.sh <STACK1> [STACK2] [...]

set -euo pipefail

if [[ "$#" -lt 1 ]]; then
	echo "ERROR: No stack names provided." >&2
	exit 2
fi

log() { echo ">>> $*"; }
warn() { echo "!!! WARNING: $*" >&2; }

overall_rc=0

for STACK_NAME in "$@"; do
	(
		set -euo pipefail

		STACK_DIR="/opt/compose/${STACK_NAME}"

		if [[ ! -d "${STACK_DIR}" ]]; then
			warn "Stack dir not found for '${STACK_NAME}' (${STACK_DIR}) — skipping filesystem cleanup"
			exit 0
		fi

		if [[ -d "${STACK_DIR}/volumes" ]]; then
			log "Removing volumes dir for '${STACK_NAME}'"
			rm -rf "${STACK_DIR}/volumes"
		fi

		log "Removing stack directory for '${STACK_NAME}'"
		rm -rf "${STACK_DIR}"
	) || {
		rc=$?
		overall_rc=1
		warn "Filesystem cleanup failed for '${STACK_NAME}' (rc=${rc}) — continuing"
	}
done

exit "${overall_rc}"