class_name Enemy
extends CharacterBody2D

signal go_to_ball
const Y_SPAWN_OFFSET = -8
@export var speed = 80
var has_thrown_ball = false
var ball_scene = preload("res://scenes/ball.tscn")
var current_ball: Ball
var next_target
var collide_with_ball = false
var is_throw_animation_finished = false
@onready var tile_map: TileMap = get_parent()
@onready var animation_player = $AnimationPlayer
@onready var sprite = $Sprite2D

func _ready():
	var spawn_cell: Vector2i = tile_map.get_top_spawn_cell()
	position = tile_map.map_to_local(spawn_cell)
	position.y += Y_SPAWN_OFFSET
	animation_player.animation_finished.connect(_on_animation_finished)

func throw_ball(target: Vector2):
	var ball = ball_scene.instantiate()
	ball.position = position
	ball.target = target
	tile_map.add_child(ball)
	current_ball = ball
	current_ball.notify_enemy.connect(_on_notify_enemy)

func play_throw_animation():
	is_throw_animation_finished = false
	animation_player.speed_scale = 0.8
	animation_player.play("throw")
	animation_player.speed_scale = 1
	
func return_ball(target: Vector2):
	current_ball.target = target
	
func _on_animation_finished(_anim_name):
	is_throw_animation_finished = true

func _on_notify_enemy():
	next_target = current_ball.target

func _on_area_2d_body_entered(_body):
	collide_with_ball = true

func _on_area_2d_body_exited(_body):
	collide_with_ball = false