extends NPC


export(NodePath) var _visibility_path: NodePath
export(int) var _player_follow_pill_level = 3

var _visibility: Area
var _playerRef


func _ready():
	Logger.set_logger_level(Logger.LOG_LEVEL_FINE)
	_visibility = get_node(_visibility_path) as Area
	
	if _visibility:
		_visibility.connect("body_entered", self, "_on_body_entered_visibility")
		_visibility.connect("body_exited", self, "_on_body_exited_visibility")

	# TODO: does this implementation have to be that way?
	for player in get_tree().get_nodes_in_group("Player"):
		_playerRef = player


func _process(_delta):
	# stop following player if pill level is high enough and player is not in an illegal area
	if current_target and Pills.get_round_level() > _player_follow_pill_level and _playerRef.Is_in_Illegal_Area() == false:
		Logger.info("player pill level ok and no illegal actions detected!")
		current_target = null


func _on_body_entered_visibility(body: PhysicsBody):
	#Logger.trace("Meldewesen seeing %s" % [body])
	
	if body.is_in_group("Player"):
		Logger.info("Seeing player!")

		# check if player is in illegal area
		if _playerRef.Is_in_Illegal_Area():
			Logger.info("player is in illegal area - following!")
			current_target = body.transform.origin

		# If the player didn't take enough pills lately, they're suspicious -> Run towards them!
		if Pills.get_round_level() <= _player_follow_pill_level:
			Logger.info("The player's pill level is too low - following!")
			current_target = body.transform.origin


func _on_body_exited_visibility(body: PhysicsBody):
	if body.is_in_group("Player"):
		Logger.info("Stopped seeing player!")
		current_target = null