extends Node2D

@onready var player = $"../../"
@onready var sprite = $"../"

@onready var grappleCore = $"../GrappleCore"

@onready var Smoother = $"../../../Smoother"

var grappleProjectile = preload("res://Player/GrappleHook/GrappleHookProjectile/GrappleHookProjectile.tscn")

var proj = null

var grappleSpeed = Vector2.ZERO
var retractDur = 0
var retractStart = Vector2.ZERO

var grappleDur = 0

var grappling = false
var retracting = false

func launch(delta):
	if proj:
		player.jumps = player.MAX_JUMPS - 1
		var grappleVeloc = (proj.position - player.position).normalized() * grappleSpeed
		player.launch(grappleVeloc.x)
		player.velocity.y = grappleVeloc.y

func grappleStart():
	grappleSpeed = (500 + clamp(player.velocity.length(), 500, 1000))
	grappleDur = 1
	grappling = true

func _physics_process(delta):
	grappleDur -= delta
	
	var moveVector = (get_global_mouse_position() - player.position).normalized()
	
	if Input.is_action_just_pressed("pullGrapple") and not proj:
		#player.velocity.y = player.JUMP_VELOCITY / 2
	
		proj = grappleProjectile.instantiate()
		
		proj.position = player.position
		proj.rotation = moveVector.angle()
	
		proj.velocity = (moveVector * 1500) + player.velocity
		#grappleDur = 10
		add_child(proj)
	#else:
	
	if proj and grappleDur > 0 and (player.position - proj.position).length() > 15 and not Input.is_action_just_pressed("jump"):
		launch(delta)
	elif proj and grappling:
		player.jumps = 1
		#player.velocity.y = player.JUMP_VELOCITY
		grappleDur = 0
		
		retractStart = proj.position
		retracting = true
		grappling = false
		
func _process(delta):
	if proj and retracting == true:
		proj.position = lerp(retractStart, player.position, retractDur)
		retractDur += delta * 4
		if retractDur >= 1:
			proj.queue_free()
			proj = null
			retracting = false
			retractDur = 0
		
	if proj:
		#Engine.time_scale = 0.1
		var grappleLine = proj.get_node("GrappleLine")
		var grappleBord = proj.get_node("GrappleBord")
		
		var grapOffset = grappleCore.offset * sprite.scale
		
		grappleLine.set_point_position(1, player.position + grapOffset)
		grappleBord.set_point_position(1, player.position + grapOffset)
		
		grappleLine.set_point_position(0, proj.position)
		grappleBord.set_point_position(0, proj.position)
		
		var curve = Curve.new()
		curve.add_point(Vector2(0, 1))
		curve.add_point(Vector2(1, sprite.scale.y))
		
		grappleLine.width_curve = curve
		grappleBord.width_curve = curve