extends PlayerState


var previous_state_path: String
var hit_dir: String
var hit_node_ref: WeakRef


func _enter(_previous_state_path: String, _data: Dictionary[String, Variant] = {}) -> void:
	print("entering hitting")
	player.velocity = Vector2.ZERO
	player.move_and_slide()
	assert(
		_data.get("hit_dir") == "left" or _data.get("hit_dir") == "right",
		"Invalid hit_dir ("+str(_data.get("hit_dir"))+")."
	)
	print("previous state path: "+_previous_state_path)
	
	previous_state_path = _previous_state_path
	hit_dir = _data.get("hit_dir")
	
	#player.sprite.play('up' if player.id == 1 else 'down')
	#player.sprite.frame = 1
	#player.sprite.pause()
	
	player.anim_player.play("hit_"+hit_dir+"_up" if player.id == 1 else "hit_"+hit_dir+"_down")
	assert(
		player.anim_player.current_animation == "hit_left_up" or
		player.anim_player.current_animation == "hit_left_down" or
		player.anim_player.current_animation == "hit_right_up" or
		player.anim_player.current_animation == "hit_right_down",
		"invalid animation ("+player.anim_player.current_animation+")"
	)
	
	var sprite_texture: Texture2D = player.sprite.sprite_frames.get_frame_texture('up', 1)
	var hit_node: Area2D = preload("res://scenes/hit/hit.tscn").instantiate()
	
	# flip entire node horizontally if spawning left
	# flip vertically if player 2
	hit_node.scale = Vector2(
		-1 if hit_dir == "left" else 1,
		1 if player.id == 1 else -1
	)
	player.add_child(hit_node)
	
	# set position according to frame width and height
	@warning_ignore("integer_division")
	hit_node.global_position = player.global_position + Vector2(
		(sprite_texture.get_width()/2)*(-1 if hit_dir == "left" else 1),
		(sprite_texture.get_height()*-1) if player.id == 1 else 4
	)
	
	hit_node_ref = weakref(hit_node)
	
	# cooldown
	player.hit_timer.start()

func _on_hit_end() -> void:
	print("cooldown end")
	assert(hit_node_ref != null, "hit node is null")
	
	var hit_node: Area2D = hit_node_ref.get_ref()
	if hit_node and is_instance_valid(hit_node):
		hit_node.queue_free()
	
	var movement_vector: Vector2 = player.get_movement_vector()
	if movement_vector.length() > player.DEADZONE:
		print("transitioning to running")
		finished.emit(RUNNING)
		return
	elif movement_vector.length() <= player.DEADZONE:
		print("transitioning to idling")
		finished.emit(IDLE)
		return
	elif Input.is_action_pressed('p'+str(player.id)+'_hit_left'):
		print("transitioning to hitting left")
		finished.emit(HITTING, {"hit_dir": "left"})
		return
	elif Input.is_action_pressed('p'+str(player.id)+'_hit_right'):
		print("transitioning to hitting right")
		finished.emit(HITTING, {"hit_dir": "right"})
		return
	printerr("hit cooldown did not return")