@tool
@icon("./assets/icon.svg")

## A collection of dialogue lines for use with [code]DialogueManager[/code].
class_name DialogueResource extends Resource


const DialogueLine = preload("./dialogue_line.gd")

## A list of state shortcuts
@export var using_states: PackedStringArray = []

## A map of titles and the lines they point to.
@export var titles: Dictionary = {}

## A list of character names.
@export var character_names: PackedStringArray = []

## The first title in the file.
@export var first_title: String = ""

## A map of the encoded lines of dialogue.
@export var lines: Dictionary = {}

## raw version of the text
@export var raw_text: String


## Get the next printable line of dialogue, starting from a referenced line ([code]title[/code] can
## be a title string or a stringified line number). Runs any mutations along the way and then returns
## the first dialogue line encountered.
func get_next_dialogue_line(title: String = "", extra_game_states: Array = [], mutation_behaviour: DMConstants.MutationBehaviour = DMConstants.MutationBehaviour.Wait) -> DialogueLine:
	return await Engine.get_singleton("DialogueManager").get_next_dialogue_line(self, title, extra_game_states, mutation_behaviour)


## Get the list of any titles found in the file.
func get_titles() -> PackedStringArray:
	return titles.keys()


func get_ordered_titles() -> Array:
	var splitted = raw_text.split("\n")
	var ordered_titles = []
	for line in splitted:
		if line.begins_with("~ "):
			ordered_titles.append(line.substr(2).strip_edges())
	# # check ordered_titles consistency to titles
	# for title in ordered_titles:
	# 	if not titles.has(title):
	# 		printerr("Title %s not found in titles" % title)
	# 		ordered_titles.remove(title)
	# for title in titles.keys():
	# 	if not ordered_titles.has(title):
	# 		printerr("Title %s not found in ordered_titles" % title)
	# 		ordered_titles.append(title)
	return ordered_titles


func _to_string() -> String:
	return "<DialogueResource titles=\"%s\">" % [",".join(titles.keys())]