extends SceneTree
## Headless smoke test for AudioManager autoload.

func _initialize() -> void:
	_run()


func _run() -> void:
	await process_frame

	print("SMOKE: Starting AudioManager verification...")
	var audio_mgr := root.get_node_or_null("AudioManager")
	if audio_mgr == null:
		printerr("FAIL: AudioManager node not found in root")
		quit(1)
		return
	print("PASS: AudioManager autoload exists in scene tree.")
	audio_mgr.set_sound_enabled(true, false)

	# 1. Verify streams are valid AudioStream objects
	var streams := [
		["STREAM_CLICK", audio_mgr.STREAM_CLICK],
		["STREAM_COIN", audio_mgr.STREAM_COIN],
		["STREAM_CHIME", audio_mgr.STREAM_CHIME],
		["STREAM_FANFARE", audio_mgr.STREAM_FANFARE],
		["STREAM_BELL", audio_mgr.STREAM_BELL],
		["STREAM_DOOR", audio_mgr.STREAM_DOOR],
	]
	for s in streams:
		var name_str: String = s[0]
		var stream_obj: Variant = s[1]
		if not (stream_obj is AudioStream):
			printerr("FAIL: %s is not an AudioStream" % name_str)
			quit(1)
			return
		print("PASS: %s is a valid AudioStream." % name_str)

	# 2. Verify pool size is 16
	if audio_mgr.pool_size != 16:
		printerr("FAIL: Expected pool size 16, got %d" % audio_mgr.pool_size)
		quit(1)
		return
	print("PASS: Pool size is 16.")

	# 3. Call sound helpers
	var p1: AudioStreamPlayer = audio_mgr.play_click()
	if p1 == null or not (p1 is AudioStreamPlayer):
		printerr("FAIL: play_click() did not return an AudioStreamPlayer")
		quit(1)
		return

	var p2: AudioStreamPlayer = audio_mgr.play_coin()
	if p2 == null or not (p2 is AudioStreamPlayer):
		printerr("FAIL: play_coin() did not return an AudioStreamPlayer")
		quit(1)
		return

	var p3: AudioStreamPlayer = audio_mgr.play_chime()
	if p3 == null or not (p3 is AudioStreamPlayer):
		printerr("FAIL: play_chime() did not return an AudioStreamPlayer")
		quit(1)
		return

	var p4: AudioStreamPlayer = audio_mgr.play_fanfare()
	if p4 == null or not (p4 is AudioStreamPlayer):
		printerr("FAIL: play_fanfare() did not return an AudioStreamPlayer")
		quit(1)
		return

	var p5: AudioStreamPlayer = audio_mgr.play_bell()
	if p5 == null or not (p5 is AudioStreamPlayer):
		printerr("FAIL: play_bell() did not return an AudioStreamPlayer")
		quit(1)
		return

	var p6: AudioStreamPlayer = audio_mgr.play_door()
	if p6 == null or not (p6 is AudioStreamPlayer):
		printerr("FAIL: play_door() did not return an AudioStreamPlayer")
		quit(1)
		return
	print("PASS: All 6 sound helper methods executed and returned players.")

	# 4. Fire 20 rapid sounds to verify round-robin recycling
	var player_order: Array[AudioStreamPlayer] = []
	for i in range(20):
		var p: AudioStreamPlayer = audio_mgr.play_click()
		if p == null:
			printerr("FAIL: Rapid sound #%d returned null" % i)
			quit(1)
			return
		player_order.append(p)

	if player_order[16] != player_order[0]:
		printerr("FAIL: Player at index 16 is not recycled player at index 0")
		quit(1)
		return
	if player_order[17] != player_order[1]:
		printerr("FAIL: Player at index 17 is not recycled player at index 1")
		quit(1)
		return
	if player_order[18] != player_order[2]:
		printerr("FAIL: Player at index 18 is not recycled player at index 2")
		quit(1)
		return
	if player_order[19] != player_order[3]:
		printerr("FAIL: Player at index 19 is not recycled player at index 3")
		quit(1)
		return
	print("PASS: 20 rapid sounds verified round-robin recycling.")

	# 5. Verify universal tactile button click hook
	var btn := Button.new()
	btn.text = "Test Button"
	root.add_child(btn)
	await process_frame
	btn.emit_signal("pressed")

	# Button in no_click_sound group
	var silent_btn := Button.new()
	silent_btn.add_to_group("no_click_sound")
	# 6. Verify sound toggle & mute functionality
	var tracker := {"received": false, "val": false}
	audio_mgr.sound_toggled.connect(func(val: bool):
		tracker["received"] = true
		tracker["val"] = val
	)

	# Toggle OFF
	var new_state: bool = audio_mgr.toggle_sound()
	if new_state != false or audio_mgr.is_sound_enabled() != false:
		printerr("FAIL: toggle_sound() should disable sound")
		quit(1)
		return
	if not tracker["received"] or tracker["val"] != false:
		printerr("FAIL: sound_toggled signal not fired on disable")
		quit(1)
		return

	# When sound disabled, play_click should return null
	var disabled_p: AudioStreamPlayer = audio_mgr.play_click()
	if disabled_p != null:
		printerr("FAIL: play_click() returned non-null when sound disabled")
		quit(1)
		return
	print("PASS: Sound disable successfully suppressed audio playback.")

	# Toggle back ON
	tracker["received"] = false
	new_state = audio_mgr.toggle_sound()
	if new_state != true or audio_mgr.is_sound_enabled() != true:
		printerr("FAIL: toggle_sound() should re-enable sound")
		quit(1)
		return
	if not tracker["received"] or tracker["val"] != true:
		printerr("FAIL: sound_toggled signal not fired on re-enable")
		quit(1)
		return

	var reenabled_p: AudioStreamPlayer = audio_mgr.play_click()
	if reenabled_p == null:
		printerr("FAIL: play_click() returned null after re-enabling sound")
		quit(1)
		return
	print("PASS: Sound re-enable restored audio playback and signal notifications.")

	print("SMOKE RESULT: PASS")
	quit(0)