#!/usr/bin/env bash
# 切换到 UCM 路线前：禁用本仓库提供的「强制 pro-audio」WirePlumber 片段（与 UCM 互斥）。
# 用法：./scripts/disable-kaisa-pro-audio-wireplumber.sh
# 会重命名用户级与（可选）系统级 drop-in，并重启用户 pipewire 栈。
set -euo pipefail

disable_dir() {
	local d="$1"
	[[ -d "$d" ]] || return 0
	shopt -s nullglob
	local f
	for f in "$d"/*; do
		[[ -f "$f" ]] || continue
		local b
		b="$(basename "$f")"
		if [[ "$b" == *kaisa* ]] || [[ "$b" == 50-kaisa* ]]; then
			if [[ "$b" == *.disabled ]] || [[ "$b" == *.bak ]]; then
				continue
			fi
			local target="${f}.disabled"
			if [[ -e "$target" ]]; then
				target="${f}.disabled.$(date +%s)"
			fi
			echo "rename: $f -> $target"
			mv -n -- "$f" "$target"
		fi
	done
}

echo ">>> 用户级: ${HOME}/.config/wireplumber/wireplumber.conf.d"
mkdir -p "${HOME}/.config/wireplumber/wireplumber.conf.d"
disable_dir "${HOME}/.config/wireplumber/wireplumber.conf.d"

if [[ "${1:-}" == "--system" ]]; then
	if ! command -v sudo &>/dev/null; then
		echo "需要 sudo 以处理 /etc/wireplumber/。" >&2
		exit 1
	fi
	echo ">>> 系统级: /etc/wireplumber/wireplumber.conf.d（需 sudo）"
	sudo bash -c '
		d="/etc/wireplumber/wireplumber.conf.d"
		[[ -d "$d" ]] || exit 0
		shopt -s nullglob
		for f in "$d"/*; do
			[[ -f "$f" ]] || continue
			b="$(basename "$f")"
			if [[ "$b" == *kaisa* ]] || [[ "$b" == 50-kaisa* ]]; then
				[[ "$b" == *.disabled ]] && continue
				t="${f}.disabled"
				[[ -e "$t" ]] && t="${f}.disabled.$(date +%s)"
				echo "rename: $f -> $t"
				mv -n -- "$f" "$t"
			fi
		done
	'
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 systemd 会话，请登录桌面后手动执行 restart）" >&2
fi

echo "完成。随后请安装 UCM overlay 与 wireplumber/main.lua.d/60-kaisa-ucm.lua（见 docs/linux-hdmi/OPERATION_PipeWire_Kaisa_UCM_HiFi.md）。"