extends KinematicBody2D

const SPEED: int = 50

var player: KinematicBody2D = null
var velocity: Vector2 = Vector2.ZERO
var health: int = 2
var hit: bool = false
var counter: int = 0


func _physics_process(_delta: float) -> void:
    velocity = Vector2.ZERO

    if player and position.distance_to(player.position) > 1:
        velocity = position.direction_to(player.position).normalized() * SPEED


    if hit == true:
        if counter < 15:
            if counter % 5 == 0:
                $AnimatedSprite.visible = false
            else:
                $AnimatedSprite.visible = true
            counter += 1
            velocity = Vector2.ZERO
        else:
            counter = 0
            hit = false


    velocity = move_and_slide(velocity)
    return


func _on_player_detector_body_entered(body: Node) -> void:
    if body.is_in_group('player'):
        player = body
    return


func _on_player_detector_body_exited(body: Node) -> void:
    if body.is_in_group('player'):
        player = null
    return


func _on_hitbox_area_entered(area: Area2D) -> void:
    if area.is_in_group('player_weapon_1'):
        health -= 1
        hit = true
    elif area.is_in_group('player_weapon_2'):
        health -= 2
        hit = true

    if health <= 0:
        call_deferred('queue_free')
    return