@tool
extends AnimatedSprite2D

@export var autostart := true
@export var state_configs := [] as Array[StateActionConfigResource]
var auto_checkout_dict = {
# intro -> {state_config instance}
}


func _ready() -> void:
	_load_config()
	if Engine.is_editor_hint():
		return
	if autostart and animation:
		# 制造一点错差
		frame = randi() % sprite_frames.get_frame_count(animation)
		play()
	animation_finished.connect(_on_animation_finished)


func _load_config():
	for i in range(state_configs.size()):
		var state_config = state_configs[i]
		if sprite_frames and sprite_frames.has_animation(state_config.animation_intro):
			# intro 的 animation 关闭循环
			sprite_frames.set_animation_loop(state_config.animation_intro, false)
		auto_checkout_dict[state_config.animation_intro] = {
			"animation_next": state_config.animation_next, 
			"animation_wait_time": state_config.animation_wait_time,
			"intro_loop": max(1, state_config.intro_loop)
		}


func _on_animation_finished() -> void:
	if auto_checkout_dict.has(animation):
		auto_checkout_dict[animation].intro_loop -= 1
		if auto_checkout_dict[animation].intro_loop <= 0:
			var wait_time = auto_checkout_dict[animation].animation_wait_time
			var next = auto_checkout_dict[animation].animation_next
			if wait_time > 0:
				pause()
				get_tree().create_timer(wait_time).timeout.connect(play.bind(next))
			else:
				play(next)


# const gif_root_dir = "res://asset/art/gif/"
# var gif_dir:
# 	set(val):
# 		gif_dir = val
# 		# 只在编辑器模式下加载配置
# 		if Engine.is_editor_hint() and gif_dir:
# 			sprite_frames = load(gif_root_dir + gif_dir + "/frames.tres")


# func _get(property: StringName) -> Variant:
# 	if property == "gif_dir":
# 		return gif_dir
# 	return null


# func _set(property: StringName, value: Variant) -> bool:
# 	if property == "gif_dir":
# 		gif_dir = value
# 		return true
# 	return false


# func _get_property_list() -> Array[Dictionary]:
# 	# 只在编辑器模式下加载配置
# 	var hint_str = ""
# 	if Engine.is_editor_hint():
# 		var dir_access = DirAccess.open(gif_root_dir) as DirAccess
# 		var dirs = dir_access.get_directories()
# 		hint_str = ",".join(dirs)
# 	return [
# 		{
# 			"name": "gif_dir",
# 			"type": TYPE_STRING,
# 			"hint": PROPERTY_HINT_ENUM_SUGGESTION,
# 			"hint_string": hint_str
# 		}
# 	]