set currentOutput to do shell script "/opt/homebrew/Cellar/switchaudio-osx/1.2.2/SwitchAudioSource -c -t output"
set availableDevices to do shell script "/opt/homebrew/Cellar/switchaudio-osx/1.2.2/SwitchAudioSource -a -t output"
set nextDevice to ""

if currentOutput contains "CalDigit TS4 Audio - Front" then
	do shell script "/opt/homebrew/Cellar/switchaudio-osx/1.2.2/SwitchAudioSource -s \"LG ULTRAFINE\" -t output"
	set nextDevice to "LG ULTRAFINE"
	
else if currentOutput contains "LG ULTRAFINE" then
	-- USB speaker が存在するかチェック
	if availableDevices contains "USB speaker" then
		do shell script "/opt/homebrew/Cellar/switchaudio-osx/1.2.2/SwitchAudioSource -s \"USB speaker\" -t output"
		set nextDevice to "USB speaker"
	else
		-- USB speaker がないときは CalDigit へ
		do shell script "/opt/homebrew/Cellar/switchaudio-osx/1.2.2/SwitchAudioSource -s \"CalDigit TS4 Audio - Front\" -t output"
		set nextDevice to "CalDigit TS4 Audio - Front"
	end if
	
else
	do shell script "/opt/homebrew/Cellar/switchaudio-osx/1.2.2/SwitchAudioSource -s \"CalDigit TS4 Audio - Front\" -t output"
	set nextDevice to "CalDigit TS4 Audio - Front"
end if

-- HUD を表示
set hudText to "🔊 " & nextDevice
set hudCommand to "open \"btt://trigger_action/?json={\\\"BTTPredefinedActionType\\\":254,\\\"BTTPredefinedActionName\\\":\\\"Show HUD Overlay\\\",\\\"BTTHUDActionConfiguration\\\":\\\"{\\\\\\\"BTTActionHUDDetail\\\\\\\":\\\\\\\"" & hudText & "\\\\\\\",\\\\\\\"BTTActionHUDTitle\\\\\\\":\\\\\\\"Audio Output\\\\\\\",\\\\\\\"BTTActionHUDDuration\\\\\\\":1.5}\\\"}\""

do shell script hudCommand