extends AbstractFood
class_name FoodMolecular

@onready var collision: Area2D = $Collision
@onready var sprite: AnimatedSprite2D = $Collision/Sprite
@onready var player = get_tree().get_first_node_in_group("player") # FIXME: this is not v efficient; global resource? or at least per Stage.

func _ready() -> void:
	sprite.play()


func _physics_process(delta: float) -> void:
	var dpos = Vector2(GameManager.flow_x, GameManager.flow_y) * delta * flow_carry_speed
	collision.position = GameManager.get_boundaried_position(collision.position + dpos)

func _process(delta):
	collision.position = GameManager.get_boundaried_position(collision.position)

func _on_body_entered(body: Node2D) -> void:
	eat(body)
		
func eat(consumer: Node2D) -> void:
	print(consumer.name + " ate: ", food_name)
	consumed.emit()
	
	apply_effect(consumer)
	
	queue_free()

func apply_effect(consumer: Node2D) -> void:
	if consumer.has_method("collect_resource"):  # TODO: Define a "consumer" group instead?
		consumer.collect_resource(val)  # val is from parent (default 1), override if required
		# TODO: *Some cool effect here*


# FIXME: position tracking inaccurate?
func _on_collision_input_event(viewport: Node, event: InputEvent, shape_idx: int) -> void:
	if event is InputEventMouseButton and event.button_index == MOUSE_BUTTON_LEFT and event.pressed:
		if player:
			player.target = self.collision