extends Node

var using : bool
var capturing : bool

var prev_using : bool

@export var area : Area2D
@export var captured_body : RigidBody2D
@export var capture_anchor : Node2D
@export_range(0.0, 0.1) var current_strength : float
@export var close_range : float
@export var grab_speed : float
@export var throw_velocity : float

var stored_velovity : Vector2

# Called when the node enters the scene tree for the first time.
func _ready():
	pass # Replace with function body.

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _physics_process(delta):
	area.visible = using
	
	if using and capturing and captured_body != null:
		var dist : Vector2 = capture_anchor.global_position - captured_body.global_position
		var dir : Vector2 = dist.normalized()
		var dis : float = sqrt(abs(abs(dist.x * dist.x) - abs(dist.y * dist.y))) # phytagoras!
		print(dis)
		
		# captured_body.global_position = capture_anchor.global_position
		
		#if dis > close_range:
		captured_body.apply_central_impulse(dir * grab_speed)# * (1 - (dis / close_range)))
		
		PhysicsServer2D.body_set_state(
			captured_body.get_rid(),
			PhysicsServer2D.BODY_STATE_TRANSFORM,
			Transform2D.IDENTITY.translated(captured_body.global_position.lerp(capture_anchor.global_position, 0.1))
		)
		
		#	stored_velovity = captured_body.linear_velocity
			#captured_body.linear_velocity = captured_body.linear_velocity.clamp(Vector2.ZERO, Vector2.ONE * 200)
		#else:
		#	captured_body.linear_velocity = stored_velovity * (dis / close_range) # dis nuts
			# captured_body.apply_central_impulse(dir * 1)
	
	if using != prev_using:
		prev_using = using
		
		if !using && capturing and captured_body != null:
			captured_body.persistent_linear_velocity = Vector2(sin($"..".rotation + deg_to_rad(90)), cos($"..".rotation + deg_to_rad(-90))) * throw_velocity
			captured_body.killer = true
			captured_body.start_timebomb()
			captured_body = null
			capturing = false

func _input(event):
	using = Input.is_mouse_button_pressed(MOUSE_BUTTON_LEFT)

func _on_gravity_area_2d_body_entered(body):
	print(body)
	if using && captured_body == null:
		captured_body = body
		captured_body.posessed = true
		capturing = true

func _on_gravity_area_2d_area_entered(area):
	print(area)
	if using && captured_body == null:
		captured_body = area
		capturing = true