extends CanvasLayer

# 使用场景：
# 1. 弹珠游戏
signal ball_dialogue_ended

@onready var label = %RichTextLabel as RichTextLabel

## The current line
var dialogue_line: DialogueLine:
	set(value):
		if value:
			dialogue_line = value
			apply_dialogue_line()
	get:
		return dialogue_line


func _ready() -> void:
	layer = GlobalConfig.CANVAS_LAYER_DIALOG


func start(
	dialogue_resource: DialogueResource, title: String, extra_game_states: Array = []
) -> void:
	var temporary_game_states = [self] + extra_game_states
	self.dialogue_line = await dialogue_resource.get_next_dialogue_line(
		title, temporary_game_states
	)


## Apply any changes to the balloon given a new [DialogueLine].
func apply_dialogue_line() -> void:
	var translation_key = dialogue_line.translation_key
	label.text = ("[wave amp=10.0 freq=5.0][shake rate=4.0 level=3]" + tr(translation_key).strip_edges().replace("{br}", "\n"))
	var tween = create_tween()
	tween.tween_property(label, "modulate:a", 1.0, 0.5)
	# c02_弹珠游戏5 弹珠游戏最后的一句话显示时长延长
	if translation_key == "c02_弹珠游戏5": # 注意是 line ID 而不是 title
		tween.tween_interval(5.0)
	else:
		tween.tween_interval(2.0)
	tween.tween_property(label, "modulate:a", 0.0, 0.5)
	tween.tween_callback(ball_dialogue_ended.emit)
	tween.tween_callback(queue_free)
	$"Sfx红字特效音".play()