#!/bin/bash
set -e

RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'

info()  { echo -e "${GREEN}[INFO]${NC} $1"; }
warn()  { echo -e "${YELLOW}[WARN]${NC} $1"; }

INSTALL_DIR="/opt/ttyshutdown"

if [ "$(id -u)" -ne 0 ]; then
    echo -e "${RED}[ERROR]${NC} 请使用 root 权限运行: sudo bash uninstall.sh"
    exit 1
fi

echo -e "${YELLOW}即将卸载串口关机控制器${NC}"
read -rp "确认卸载? [y/N]: " confirm
if [[ ! "$confirm" =~ ^[Yy] ]]; then
    info "已取消"
    exit 0
fi

systemctl stop ttyshutdown.service 2>/dev/null || true
systemctl disable ttyshutdown.service 2>/dev/null || true
rm -f /etc/systemd/system/ttyshutdown.service
systemctl daemon-reload

rm -f /usr/lib/systemd/system-shutdown/send_signal.sh

rm -rf "$INSTALL_DIR"

info "卸载完成"