extends Node2D

class_name Spot

class SpotLink:
	var link_from: Node2D #Spot
	var link_to: Node2D #Spot
	var line: Line2D
	
	func _init(from, to):
		line = Line2D.new()
		link_from = from
		link_to = to
		line.add_point(from.global_position)
		line.add_point(to.global_position)
		from.get_tree().root.call_deferred("add_child", line)
		return self

var spot1 : SpotLink
var spot2 : SpotLink
var person: PersonRoot

onready var sprite: Sprite = $Circle

class MyCustomSorter:
	static func sort_ascending(a, b):
		if a[0] < b[0]:
			return true
		return false

# Called when the node enters the scene tree for the first time.
func _ready():
	var distances : Array = []
	for spot in get_tree().get_nodes_in_group("spot"):
		if spot != self:
			distances.append([self.global_position.distance_squared_to(spot.global_position), spot])
	distances.sort_custom(MyCustomSorter, "sort_ascending")
	spot1 = SpotLink.new(self, distances[0][1])
	spot2 = SpotLink.new(self, distances[1][1])

func _process(_delta):
	sprite.self_modulate = Color.green if person != null else Color.red
	
	
# processSignalSpotHasPerson(Person)
   # check the Person on the other spots
   # change the color of the line2D that are and that lead to the other spots
   # change this spot and other spots color appropriately
  

# processSignalSpotPersonLeft()
  # reser that Spot and the other nearby