class_name Player extends CharacterBody2D

@onready var ray_cast_2d: RayCast2D = $RayCast2D
@onready var game: GameController = $".."

const SPEED = 300.0
const JUMP_VELOCITY = -400.0

const PUSH = 100.0

enum InteractionStates {NONE, ATTRACT, REPEL}
var interactionState = InteractionStates.NONE

func _physics_process(delta: float) -> void:
	# Add the gravity.
	if not is_on_floor():
		velocity += get_gravity() * delta
		
	handle_input()

	move_and_slide()
	
	handle_collisions()
			
func handle_input() -> void:
	# Handle jump.
	if Input.is_action_just_pressed("ui_up") and is_on_floor():
		velocity.y = JUMP_VELOCITY

	# Get the input direction and handle the movement/deceleration.
	# As good practice, you should replace UI actions with custom gameplay actions.
	var direction := Input.get_axis("ui_left", "ui_right")
	if direction:
		velocity.x = direction * SPEED
	else:
		velocity.x = move_toward(velocity.x, 0, SPEED)
		
	# Follow mouse cursor with raycast.
	var target = get_local_mouse_position()
	ray_cast_2d.target_position = target
	
	# Handle attract/repel inputs, or reset to no interaction
	if Input.is_action_just_pressed("attract"):
		interactionState = InteractionStates.ATTRACT
	#elif Input.is_action_just_pressed("repel"):
		#interactionState = InteractionStates.REPEL
	else:
		interactionState = InteractionStates.NONE
		
	# Shoot bullets
	if Input.is_action_just_pressed("shoot"):
		var dir = (get_global_mouse_position() - global_position).normalized()
		%SceneManager.makeBullet(global_position, dir)
	
func update_movement() -> void:
	pass
	
func update_states() -> void:
	pass
	
func handle_collisions() -> void:
	#for i in get_slide_collision_count():
		#var c = get_slide_collision(i)
		#if c.get_collider() is RigidBody2D:
			#c.get_collider().apply_central_impulse(-c.get_normal() * PUSH)
			
	if ray_cast_2d.is_colliding():
		var collider = ray_cast_2d.get_collider()
		if collider is RigidBody2D:
			var angle = collider.get_angle_to(to_local(position))
			var direction = Vector2.RIGHT.rotated(angle)
			match interactionState:
				InteractionStates.REPEL:
					collider.apply_central_impulse(direction * PUSH)
				InteractionStates.ATTRACT:
					collider.apply_central_impulse((direction * PUSH) * -1)
				InteractionStates.NONE:
					pass