class_name DialogueUtil extends RefCounted

static func concact_content_from_lines(lines:=[]):
	if lines.is_empty():
		return ""
	var content = ""
	for i in range(len(lines) - 1):
		var line = lines[i] as DialogueLine
		content += TranslationServer.tr(line.translation_key) + "\n"
	# last line without "\n"
	content += TranslationServer.tr(lines[-1].translation_key)
	return content

static func get_lines(res: DialogueResource, title: String) -> Array:
	var lines = []
	var current_line = await res.get_next_dialogue_line(title)
	while current_line:
		lines.append(current_line)
		if current_line.next_id != "end":
			current_line = await res.get_next_dialogue_line(current_line.next_id)
		else:
			break
	return lines

# pop os lines
static func generate_lines(content: String) -> Array:
	var text = "~ title\n" + content + "\n=> END"
	var res = DialogueManager.create_resource_from_text(text)
	return await get_lines(res, "title")