extends Node

## This singleton sits in the middle allowing multiple game areas to call and
# manipulate the UI

enum UI_PANES {OFF, HUD, DIALOG}

var dialog_text = 'foo'
var dialog_portrait = preload("res://icon.png")
var current_pane = UI_PANES.OFF

var debug_text :String

var _dialog_item :DialogItem

var playing_dialog :bool = false
var current_dialog_index :int

signal ui_change()

# Declare member variables here. Examples:
# var a = 2
# var b = "text"


# Called when the node enters the scene tree for the first time.
func _ready():
	pass # Replace with function body.

func play_dialog_item(dialog_item :DialogItem, dialog_index :int = 0):
	_dialog_item = dialog_item
	if _dialog_item.text_lines.size() > 0:
		current_dialog_index = dialog_index
		playing_dialog = true
		dialog_text = _dialog_item.text_lines[current_dialog_index]
		dialog_portrait = _dialog_item.portrait
		current_pane = UI_PANES.DIALOG
		emit_signal("ui_change")
	

func stop_dialog():
	dialog_text = 'foo'
	current_pane = UI_PANES.HUD
	emit_signal("ui_change")

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta):
	if playing_dialog:
		var foo = ''
		##TODO: Lockout input on player before dialog happens.
		if Input.is_action_just_pressed("crouch_1"):
			if _dialog_item.text_lines.size() > (current_dialog_index + 1):
				current_dialog_index += 1
				dialog_text = _dialog_item.text_lines[current_dialog_index]
				dialog_portrait = _dialog_item.portrait
				emit_signal("ui_change")
			else:
				stop_dialog()