#!/usr/bin/env bash
#
# ARGUS uninstaller — stops and removes ARGUS containers.
#
# By default this KEEPS your data (database, certificates, uploaded config) —
# it only stops and removes containers, so a plain re-install (install.sh)
# picks up right where you left off.
#
#   cd /opt/argus && ./uninstall.sh                  # containers only, data kept
#   ./uninstall.sh --remove-data                  # also destroys all data (asks to confirm)
#   ./uninstall.sh --remove-data --yes             # non-interactive, for scripted use
#
set -euo pipefail

INSTALL_DIR="${ARGUS_INSTALL_DIR:-/opt/argus}"
REMOVE_DATA=false
ASSUME_YES=false

for arg in "$@"; do
  case "$arg" in
    --remove-data) REMOVE_DATA=true ;;
    --yes|-y)      ASSUME_YES=true ;;
    *) echo "Unknown option: $arg" >&2; exit 1 ;;
  esac
done

bold()  { printf '\033[1m%s\033[0m\n' "$1"; }
info()  { printf '  %s\n' "$1"; }
ok()    { printf '  \033[32m✓\033[0m %s\n' "$1"; }
warn()  { printf '  \033[33m!\033[0m %s\n' "$1"; }
fail()  { printf '  \033[31m✗\033[0m %s\n' "$1" >&2; exit 1; }

bold "ARGUS Uninstaller"
echo

[ -f "$INSTALL_DIR/docker-compose.yml" ] || fail "No ARGUS installation found at $INSTALL_DIR (set ARGUS_INSTALL_DIR if you installed elsewhere)."
cd "$INSTALL_DIR"

if [ "$REMOVE_DATA" = "true" ] && [ "$ASSUME_YES" != "true" ]; then
  warn "This will permanently delete your ARGUS database, certificates, and all"
  warn "uploaded configuration. This cannot be undone."
  printf "  Type YES to confirm: "
  read -r CONFIRM
  [ "$CONFIRM" = "YES" ] || fail "Aborted — data was not touched."
fi

if [ "$REMOVE_DATA" = "true" ]; then
  bold "Stopping ARGUS and removing all data..."
  docker compose down -v
  ok "Containers and data volumes removed"
else
  bold "Stopping ARGUS (data preserved)..."
  docker compose down
  ok "Containers removed — database and certificates are untouched"
  info "Re-run install.sh (or 'docker compose up -d' here) to bring ARGUS back with the same data."
fi

echo
info "Configuration files remain at ${INSTALL_DIR} — remove that directory yourself if you want a completely clean slate."