extends EnemyState
class_name EnemySearch

@export var idle_speed : float = 1.5

var move_direction : Vector3
var scan_direction : float

var search_time : float
var scan_time : float

const WANDER_AMT = 50
const TURRET_TURN_AMT : float = 90.0
const TURRET_SCAN_SPEED : float = .5

func search_point():
	enemy.nav_agent.set_target_position(enemy.point_of_interest)
	search_time = randf_range(3,10)

func randomize_turret_scan():
	scan_direction = -scan_direction
	enemy.turret_look_next.rotation = Vector3(0,scan_direction,0)
	scan_time = randf_range(5,10)

func Enter():
	super()
	search_point()
	scan_direction = deg_to_rad(TURRET_TURN_AMT)

func Update(delta: float):
	super(delta)
	if search_time > 0:
		search_time -= delta
	else:
		Transitioned.emit(self,"idle")
	
	if scan_time > 0:
		scan_time -= delta
	else:
		randomize_turret_scan()

func Physics_Update(delta : float):
	if enemy:
		#turret transform
		enemy.turret_look.rotation = lerp(enemy.turret_look.rotation,enemy.turret_look_next.rotation,delta * TURRET_SCAN_SPEED)
		
		var destination = enemy.nav_agent.get_next_path_position()
		var local_destination = destination - enemy.global_position
		var direction = local_destination.normalized()
		if enemy.global_position.distance_to(local_destination) > 1:
			enemy.velocity = direction * idle_speed
			enemy.spider_look_next.look_at(destination)
			var look_target = enemy.spider_look_next.global_rotation.y
			enemy.global_rotation.y = lerp(enemy.global_rotation.y,look_target,delta * 3)
		
		
		if enemy.turret_look.is_colliding() and enemy.turret_look.get_collider() is Player:
			Transitioned.emit(self,"attack")