extends Node2D

enum CursorState{Normal, Walk, Talk, Press, Crash};

onready var root;

signal endOfChoice;

var localization = [];
var cursorStates = [];

var isHovering;

var setLabelsPosition:bool = true;

onready var arrowCursor = preload("res://resources/cursors/arrow2.webp");
onready var dialogCursor = preload("res://resources/cursors/dialog2.webp");
onready var zoomCursor = preload("res://resources/cursors/magnifier2.webp");
onready var walkCursor = preload("res://resources/cursors/man2.webp");

onready var crashCursor = preload("res://resources/cursors/crash_cursor.webp");

func _ready():
	root = get_tree().root.get_node("Root");
	
	SetCursorStates();
	Localization();
	SetLabels();
	SetHover();
	CheckForVariables();

func Localization():
	pass

func SetCursorStates():
	pass

func SetLabels():
	var buttons = $SpriteButtons.get_children();
	var labels = $Labels.get_children();
	
	for i in labels.size():
		var label = labels[i];
		label.text = tr(localization[i]).trim_suffix(".");
		
		if setLabelsPosition:
			label.connect("resized", self, "labelResized", [label, buttons[i]]);

func labelResized(label, button):
	var center = button.rect_position + button.rect_size * button.rect_scale / 2.0;
	label.rect_position = center - label.rect_size / 2.0;
	AdjustLabels();

func AdjustLabels():
	pass

func SetHover():
	var buttons = $SpriteButtons.get_children();
	var labels = $Labels.get_children();
	
	PreventCursorCrash();
	
	for i in buttons.size():
		var button = buttons[i];
		button.connect("mouse_entered", self, "onButtonHoverOn_sprite", [button, labels[i], cursorStates[i]]);
		button.connect("mouse_exited", self, "onButtonHoverOff_sprite", [button, labels[i]]);


func PreventCursorCrash():
	for i in 5:
		cursorStates.push_back(CursorState.Crash)

func onButtonHoverOn_sprite(button, label, cursorState):
	if not (root.isMenuVisible or root.isSaveLoadVisible):
		UpdateCursor(cursorState);
		button.material.set_shader_param("mixing", 0.15);
		label.visible = true;
		isHovering = true;

func onButtonHoverOff_sprite(button, label):
	if not (root.isMenuVisible or root.isSaveLoadVisible):
		UpdateCursor(CursorState.Normal);
		button.material.set_shader_param("mixing", 0.0);
		label.visible = false;
		isHovering = false;

func UpdateCursor(state:int):
	match state:
		CursorState.Normal:
			Input.set_custom_mouse_cursor(arrowCursor)
		CursorState.Talk:
			Input.set_custom_mouse_cursor(dialogCursor, Input.CURSOR_ARROW, Vector2(19, 19))
		CursorState.Walk:
			Input.set_custom_mouse_cursor(walkCursor, Input.CURSOR_ARROW, Vector2(19, 19))
		CursorState.Press:
			Input.set_custom_mouse_cursor(zoomCursor, Input.CURSOR_ARROW, Vector2(19, 19))
		CursorState.Crash:
			Input.set_custom_mouse_cursor(crashCursor, Input.CURSOR_ARROW, Vector2(19, 19))

func CheckForVariables():
	pass;

func End():
	UpdateCursor(CursorState.Normal);
	emit_signal("endOfChoice");

func CheckHover()->bool:
	return not (get_tree().root.get_node("Root").isMenuVisible or get_tree().root.get_node("Root").isSaveLoadVisible)

var shaderValue = 0.0;
var tempDelta = 0.0;
var isRising;

func _process(delta):
	if isHovering:
		return ;
	
	tempDelta += delta;
	if tempDelta > 0.2:
		tempDelta = 0;
		
		if shaderValue <= - 0.05:
			isRising = true
		
		if shaderValue >= 0.13:
			isRising = false;
			
		if isRising:
			shaderValue += 0.01;
		else :
			shaderValue -= 0.01;
			
		var buttons = $SpriteButtons.get_children();
		for i in buttons:
			i.material.set_shader_param("mixing", shaderValue);
	else :
		tempDelta += delta;