#!/bin/sh
set -e

case "$1" in
    purge)
        # Remove user and group
        if getent passwd mond >/dev/null; then
            deluser --quiet mond || true
        fi

        if getent group mond >/dev/null; then
            delgroup --quiet mond || true
        fi

        # Remove log directory
        rm -rf /var/log/mond

        # Note: We keep /var/lib/mond (blockchain data) for safety
        # Users can manually remove it if needed
        echo ""
        echo "⚠️  Blockchain data preserved at: /var/lib/mond"
        echo "To completely remove all data, run:"
        echo "  sudo rm -rf /var/lib/mond"
        echo ""
        ;;

    remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
        # Do nothing
        ;;

    *)
        echo "postrm called with unknown argument \`$1'" >&2
        exit 1
        ;;
esac

# Reload systemd
if [ -d /run/systemd/system ]; then
    systemctl daemon-reload
fi

exit 0