#!/usr/bin/env bash
# 将仓库内 UCM2 overlay 与 WirePlumber Lua 安装到系统路径（需 sudo）。
# 用法：在仓库根目录执行  ./scripts/install-kaisa-ucm-overlay.sh
# 安装前请先运行 ./scripts/disable-kaisa-pro-audio-wireplumber.sh
# 卸载同路径 overlay：./scripts/remove-kaisa-ucm-overlay.sh
set -euo pipefail

REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
if [[ ! -f "$REPO_ROOT/reference/ucm2/conf.d/sof-rt5682/sof-rt5682.conf" ]]; then
	echo "未找到 UCM 文件，请在仓库根目录执行。" >&2
	exit 1
fi

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

echo ">>> 安装 UCM2 -> /usr/share/alsa/ucm2/"
sudo cp -a "$REPO_ROOT/reference/ucm2/conf.d/sof-rt5682" /usr/share/alsa/ucm2/conf.d/
sudo cp -a "$REPO_ROOT/reference/ucm2/GoogleKaisa" /usr/share/alsa/ucm2/

echo ">>> 安装 WirePlumber Lua -> /usr/share/wireplumber/main.lua.d/"
sudo install -D -m0644 "$REPO_ROOT/wireplumber/main.lua.d/60-kaisa-ucm.lua" \
	/usr/share/wireplumber/main.lua.d/60-kaisa-ucm.lua

echo ">>> 重启用户 pipewire 栈"
if systemctl --user is-system-running &>/dev/null; then
	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。请先验证 UCM 能解析（应列出 HiFi，不应报 parse 错误）："
echo "  alsaucm -c sof-rt5682 list _verbs"
echo "再按 docs/linux-hdmi/OPERATION_PipeWire_Kaisa_UCM_HiFi.md 验收 pactl / GNOME。"