extends Control
class_name DialogueBox

signal end

export (NodePath) var title_path
onready var title = get_node(title_path) as RichTextLabel

export (NodePath) var text_path
onready var text = get_node(text_path) as RichTextLabel

export (NodePath) var expression_path
onready var expression = get_node(expression_path) as RichTextLabel

var _dialogue : Array
var _index : int

func _ready():
	assert(title != null)
	assert(text != null)

func start(dialogue : Array):
	_dialogue = dialogue
	_index = 0
	_update()
	show()

func _input(event):
	if event.is_action_pressed("ui_accept"):
		next()

func next() -> void:
	_index += 1
	if _index >= _dialogue.size():
		hide()
		emit_signal('end')
		return
	_update()

func _update() -> void:
	text.text = _dialogue[_index].text
	title.text = _dialogue[_index].name
	#expression = _dialogue[_index].expression
	if _index == _dialogue.size() - 1:
		emit_signal('end')