#!/usr/bin/env bash
set -euo pipefail

config_home="${XDG_CONFIG_HOME:-$HOME/.config}"
state_home="${XDG_STATE_HOME:-$HOME/.local/state}"
backup_root="$state_home/niri-beyond-glass/backups"
latest=""

if [[ -d "$backup_root" ]]; then
    latest="$(find "$backup_root" -mindepth 1 -maxdepth 1 -type d -printf '%p\n' | sort | tail -n 1)"
fi

rm -rf \
    "$config_home/niri" \
    "$config_home/waybar" \
    "$config_home/fuzzel" \
    "$config_home/mako" \
    "$config_home/swaylock" \
    "$config_home/niri-beyond-glass"
rm -f "$HOME/.local/bin/niri-beyond-wallpaper"

if [[ -n "$latest" && -d "$latest/config" ]]; then
    cp -a "$latest/config/." "$config_home/"
    printf '已恢复备份：%s\n' "$latest"
else
    printf '配置已移除；没有找到可恢复的备份。\n'
fi

printf 'Niri 和系统软件包被保留。GNOME/GDM 未修改。\n'