# app_flow_lifecycle_test —— §9.3 生命周期单一属主回归。
#   AppFlow 跨登录 / 选人 / 游戏持有唯一 AppLifecycle；GameScene 不重复创建。
extends SceneTree

const AppFlow = preload("res://app_flow.gd")

class FakeClient extends Node:
	signal phase_changed(phase: String)
	signal disconnected(reason: String)
	signal char_list(characters: Array)
	signal char_name_changed(pid: int, name: String)
	signal entered_game()
	signal login_failed(reason: String)
	signal char_created(slot: int)
	signal char_create_failed(reason: int)
	signal char_deleted(slot: int)
	signal char_delete_failed()

var _fail := 0

func _ck(ok: bool, message: String) -> void:
	if not ok:
		_fail += 1
		printerr("FAIL: " + message)

func _init() -> void:
	var client := FakeClient.new()
	var flow := AppFlow.new()
	flow.build_game_scene = false
	get_root().add_child(flow)
	flow.start("", client)
	await process_frame

	var lifecycle_nodes: Array[Node] = []
	for child in flow.get_children():
		if child.name == "AppLifecycle":
			lifecycle_nodes.append(child)
	_ck(lifecycle_nodes.size() == 1, "AppFlow owns exactly one AppLifecycle")
	_ck(flow.get_node_or_null("AppLifecycle") != null,
			"AppLifecycle survives login screen construction")
	_ck(client.get_parent() == flow,
			"AppFlow keeps the same client beside lifecycle coordinator")

	flow.queue_free()
	await process_frame
	if _fail == 0:
		print("PASS: app_flow_lifecycle_test (single lifecycle owner)")
		quit(0)
	else:
		printerr("%d check(s) failed" % _fail)
		quit(1)