extends KinematicBody2D

var motion: Vector2 = Vector2.ZERO
var speed = 110
var player = null
var in_attack_range = false
var path = []
var level_navigation: Navigation2D = null

onready var line2d = $Line2D

func _ready():
	yield(get_tree(), "idle_frame")
	var tree = get_tree()
	if tree.has_group("level_navigation"):
		level_navigation = tree.get_nodes_in_group("level_navigation")[0]
	if tree.has_group("player"):
		player = tree.get_nodes_in_group("player")[0]

func _physics_process(delta):
	line2d.global_position = Vector2.ZERO
	move_and_slide(motion)

func _navigate():
	if path.size() > 0:
		print(path[1], " Target point")
		motion = self.position.direction_to(path[1]) * speed
		for point in path:
			if position == point:
				print(point, " On point")
		if global_position == path[0]:
			path.remove(0)
			print(path)
			#_update_path()

func _update_path():
	if level_navigation != null and player != null and !path.empty():
		path = level_navigation.get_simple_path(position, player.global_position, false)
		line2d.points = path
		print("New path generated (updated)")
		print(path)

func _generate_path():
	path = []
	if level_navigation != null and player != null:
		path = level_navigation.get_simple_path(position, player.global_position, false)
		line2d.points = path
		print("New path generated")
		print(path)

func _clear_path():
	path = []

func _sentry():
	motion = Vector2.ZERO

func _on_Area2D_body_entered(body):
	if "Bullet" in body.name:
		queue_free()


func _on_Aggro_Range_body_entered(body):
	if "Player" in body.name:
		in_attack_range = true


func _on_Aggro_Range_body_exited(body):
	if "Player" in body.name:
		in_attack_range = false