#!/usr/bin/env bash
# 卸载本仓库安装的 Kaisa UCM2 overlay 与系统级 60-kaisa-ucm.lua（需 sudo）。
# 不卸载 alsa-ucm-conf 整包；仅删除 install-kaisa-ucm-overlay.sh 写入的路径。
# 用法：在仓库根目录执行  ./scripts/remove-kaisa-ucm-overlay.sh
# 卸载后若走 pro-audio，请再执行 ./scripts/apply-kaisa-pro-audio.sh
set -euo pipefail

if ! command -v sudo &>/dev/null; then
	echo "需要 sudo。" >&2
	exit 1
fi

removed=0

echo ">>> 删除 /usr/share/alsa/ucm2/GoogleKaisa/（若存在）"
if [[ -d /usr/share/alsa/ucm2/GoogleKaisa ]]; then
	sudo rm -rf -- /usr/share/alsa/ucm2/GoogleKaisa
	removed=1
	echo "    已删除。"
else
	echo "    （不存在，跳过）"
fi

echo ">>> 删除 /usr/share/alsa/ucm2/conf.d/sof-rt5682/（若存在）"
if [[ -d /usr/share/alsa/ucm2/conf.d/sof-rt5682 ]]; then
	sudo rm -rf -- /usr/share/alsa/ucm2/conf.d/sof-rt5682
	removed=1
	echo "    已删除。"
else
	echo "    （不存在，跳过）"
fi

LUA="/usr/share/wireplumber/main.lua.d/60-kaisa-ucm.lua"
echo ">>> 禁用 $LUA（若存在）"
if [[ -f "$LUA" ]]; then
	sudo mv -n -- "$LUA" "${LUA}.disabled"
	removed=1
	echo "    已移至 ${LUA}.disabled"
elif [[ -f "${LUA}.disabled" ]]; then
	echo "    （已是 .disabled，跳过）"
else
	echo "    （不存在，跳过）"
fi

if systemctl --user is-system-running &>/dev/null; then
	echo ">>> systemctl --user restart wireplumber pipewire pipewire-pulse"
	systemctl --user restart wireplumber pipewire pipewire-pulse
else
	echo "（无 user 会话，请登录后执行: systemctl --user restart wireplumber pipewire pipewire-pulse）" >&2
fi

echo "完成。sof-rt5682 将不再使用本仓库的 HiFi UCM（HDMI1/2/3 等端口名来自该 overlay）。"
if [[ "$removed" -eq 1 ]]; then
	echo "建议：走 pro-audio 时在仓库根执行  ./scripts/apply-kaisa-pro-audio.sh"
fi