@tool
extends Node

@export_tool_button("测试") var test = _load_test
@export_tool_button("refresh") var refresh = notify_property_list_changed
var method := ""


func _load_test():
	call(method)


func _get_property_list() -> Array[Dictionary]:
	var method_arr = PackedStringArray()
	var method_list = get_method_list()
	# build method_arr
	for m in method_list:
		if (
			not str(m.name).begins_with("_")
			and m.name != "get_property_list"
			and len(m.args) == 0
			and m.flags == METHOD_FLAGS_DEFAULT
		):
			method_arr.append(m.name)

	return [
		{
			"name": "method",
			"type": TYPE_STRING,
			"usage": PROPERTY_USAGE_EDITOR | PROPERTY_USAGE_SCRIPT_VARIABLE,
			"hint": PROPERTY_HINT_ENUM_SUGGESTION,
			"hint_string": ",".join(method_arr)
		}
	]


func test_map_alias():
	var map := {
		"a": 1,
		"b": {"b1": 1},
	}
	var cow_map := map
	map.a = 2
	cow_map.a = 3
	# map before: { "a": 3, "b": { "b1": 1 } }
	print("map before: ", map)
	# cow_map before: { "a": 3, "b": { "b1": 1 } }
	print("cow_map before: ", cow_map)
	_foo_map(cow_map)
	map.a = 8
	cow_map.a = 9
	# map after: { "a": 9, "b": { "b1": 5 } }
	print("map after: ", map)
	# cow_map after: { "a": 9, "b": { "b1": 5 } }
	print("cow_map after: ", cow_map)


func _foo_map(map):
	map.a = 5
	map.b.b1 = 5


func test_array_alias():
	var arr := [1, 2]
	var cow_arr := arr
	arr[0] = 5
	_foo_arr(cow_arr)
	# arr: [5, 6, 10, <null>, <null>]
	print("arr: ", arr)
	# cow_arr: [5, 6, 10, <null>, <null>]
	print("cow_arr: ", cow_arr)


func _foo_arr(arr):
	arr[1] = 6
	arr.append(10)
	arr.resize(5)


func test_concat_arr():
	var arr := [1, 2]
	var concat_arr := arr + []
	arr[0] = 5
	_foo_arr(concat_arr)
	# arr: [5, 2]
	print("arr: ", arr)
	# concat_arr: [1, 6, 10, <null>, <null>]
	print("concat_arr: ", concat_arr)


func test_packed_array():
	var arr := PackedInt32Array([1, 2])
	var cow_arr := arr
	arr[0] = 5
	_foo_arr(cow_arr)
	# arr: [5, 6, 10, 0, 0]
	print("arr: ", arr)
	# cow_arr: [5, 6, 10, 0, 0]
	print("cow_arr: ", cow_arr)


# func _ready() -> void:
# 	$Button.mouse_exited.connect(_free_btn)
# 	_wait_btn()
# 	get_tree().create_timer(3.0).timeout.connect(_free_self)


# func _wait_btn() -> void:
# 	print("waiting...")
# 	var res = await _waiting()
# 	print("button pressed res", res)
# 	print("hello")


# func _waiting() -> void:
# 	await get_tree().create_timer(1.0).timeout


# func _free_btn() -> void:
# 	print("free button")
# 	$Button.queue_free()
# 	print("button freed")


# func _free_self() -> void:
# 	# print("free self")
# 	# queue_free()
# 	# print("self freed")
# 	print("quit")
# 	get_tree().quit()