#GAME: 
# Controls output space, loading descriptions and options for each locale and 
#	appending to the history array.

extends Control

onready var history_source = get_node("/root/History").historyScreensSingleton

#Abstract class we instance when wanted in game as child of HistoryReference
const TextOutput = preload("res://UserInterface/Response.tscn")
const InputResponse = preload("res://UserInterface/InputResponse.tscn")


onready var command_processor = $CommandProcessor
onready var current_text = $Background/MarginContainer/Rows/GameInfo/CurrentText
onready var history_rows = $Background/MarginContainer/Rows/GameInfo/HistoryRows
onready var history_pager = $Background/MarginContainer/Rows/ItemList/But_History_Page
onready var locale_manager = $LocaleManager
onready var option_one = $Background/MarginContainer/Rows/InputArea/VBoxContainer/option1
onready var option_two= $Background/MarginContainer/Rows/InputArea/VBoxContainer/option2
onready var option_three = $Background/MarginContainer/Rows/InputArea/VBoxContainer/option3


func _ready() -> void:
	history_pager.hide()
	history_rows.hide()
	current_text.show()
	option_one.show()
	option_two.show()
	option_three.show()

	var opening_text = "The game has begun! You can select from the available options below. "
	#create_response("The game has begun! You can select from the available options below.")	

	var starting_locale_response = command_processor.initialize(locale_manager.get_child(0))
	create_response(opening_text + " " + starting_locale_response)	

#Below temporarily takes user selection and appends it to responses; adding new instances 
#	of our input row with an input and response pair for each
func handleUserInput(user_choice: String) -> void:
	var input_response = InputResponse.instance()
	var inputText = "User selected: " + user_choice
	var response = command_processor.process_command(user_choice)
	input_response.set_text(inputText, response)
	add_response_to_game(input_response)
	
#Handles input text
func create_response(response_text: String):
	var response = TextOutput.instance()
	response.text = response_text
	add_response_to_game(response)	

#Copies the response output to add to both current game output, and the 
#	history array. 
func add_response_to_game(response: Control):
	var response_history = response.duplicate()

	#DKM TEMP: stopped here, trying to add page number to history text
	#var history_page_number = HISTORY_SOURCE.output_history_array.size() + 1
	#var history_string = "Page " + str(history_page_number) + "; " 
	if(history_source.output_history_array != null):
		history_source.output_history_array.append(response_history)
	if(current_text.get_child_count() > 0):
		current_text.remove_child(current_text.get_child(0))
	current_text.add_child(response)


func _on_option1_button_down() -> void:
	var option1 = get_node("Background/MarginContainer/Rows/InputArea/VBoxContainer/option1")
	handleUserInput(option1.get_text())


func _on_option2_button_down() -> void:
	var option2 = get_node("Background/MarginContainer/Rows/InputArea/VBoxContainer/option2")
	handleUserInput(option2.get_text())


func _on_option3_button_down() -> void:
	var option3 = get_node("Background/MarginContainer/Rows/InputArea/VBoxContainer/option3")
	handleUserInput(option3.get_text())