Buttons_Nav.gd

extends Node2D
var topicn = []
var stage = Global.stage
var topic = Global.topic
var csv = "res://Q1.txt"
var correct = ""
var arr_pos
var menu = preload("res://Button_Menu.gd")
var menu_script = menu.new()

func _ready():
	for button in $VBoxContainer/Navigation/Buttons.get_children():
		button.connect("pressed", self, "_on_Button_pressed", [button, button.scene_to_load])
		if button.text == "Back" and stage == 0:
			button.visible = false
	load_csv()
	if topic == "NS" && get_tree().get_current_scene().get_name() != "Credits" :
		for btn in $VBoxContainer/Main/questionAnswer/Answers.get_children():
			btn.connect("button_down", self, "_Correct", [btn])
	
	# Update the UI with the current Score
	$VBoxContainer/Navigation/Label.text = str(Global.playerScore)
	print(stage)

func _on_Button_pressed(button, scene_to_load):
	if button.text == "Back" and stage != 0:
		Global.stage -=1
		get_tree().change_scene("res://Number systems/Quiz.tscn")
	get_tree().change_scene(scene_to_load)

func load_csv():
	if stage >= 5:
		get_tree().change_scene("res://MainMenu.tscn")
	var file = File.new()

	var error = file.open(csv, file.READ)
	if error == OK:
		while !file.eof_reached():
			var q = file.get_csv_line()
	#if the scene is called Quiz, edits the button and labels in that scene using different coloumns
	# from the csv file.
			if get_tree().get_current_scene().get_name() == "Quiz":
	#check if the first coloumn is same as the topic provided from the main menu scene
	#and if the stage is the same as the glboal script, which updates when next button is pressed (WIP)
				if (q[0] == topic and int(q[1]) == stage):
					topicn.append(q)
	#edits the nodes using the specified coloumns from the csv file
					$VBoxContainer/Main/questionAnswer/Example_Question.text = String(topicn[0][2])
					$VBoxContainer/Main/questionAnswer/Answers/Button.text = String(topicn[0][3])
					$VBoxContainer/Main/questionAnswer/Answers/Button2.text = String(topicn[0][4])
					$VBoxContainer/Main/questionAnswer/Answers/Button3.text = String(topicn[0][5])
					$VBoxContainer/Main/questionAnswer/Answers/Button4.text = String(topicn[0][6])
					$VBoxContainer/Main/CenterContainer/Example_image.texture = load(str(topicn[0][8]))
					correct = topicn[0][10]
					arr_pos = topicn[0][11]
	
	#similar to above, but this changes the Information scene
			if get_tree().get_current_scene().get_name() == "Information":
	#check if the first coloumn is same as the topic provided from the main menu scene
	#and if the stage is the same as the glboal script, which updates when next button is pressed (WIP)
				if (q[0] == topic and int(q[1]) == stage):
					topicn.append(q)
					$VBoxContainer/Main/Example_text.text = String(topicn[0][7])
	#edits the image, by getting the file provided in the 9th coloumn (I) of the csv file
					$VBoxContainer/Main/CenterContainer/Example_image.texture = load(str(topicn[0][8]))
		file.close()
	#	print(get_tree().get_current_scene().get_name())

func _Correct(btn):
	if btn.text == correct:
		get_tree().change_scene("res://Number systems/Information.tscn")
		Global.stage +=1
	if btn.text != correct:
		Global.incorrectCounter +=1
	if Global.answered[int(arr_pos)] == 0:
		Global.increaseScore(Global.scoreMultiplier[Global.incorrectCounter])
		Global.incorrectCounter = 0
		Global.answered[int(arr_pos)] = 1