extends CharacterBody3D

@export var camera : Camera3D
@export var mouse_sensitivity : float = 0.003 # TODO: this is sketchy check that its framerate independant pls
@export var raycast : RayCast3D

@export var held_object : Node3D
@export var has_object : bool = false
@export var hand : Node3D

signal object_clicked(object : Node3D)

const SPEED = 5.0
const JUMP_VELOCITY = 4.5

# Get the gravity from the project settings to be synced with RigidBody nodes.
var gravity = ProjectSettings.get_setting("physics/3d/default_gravity")

func _ready():
	Input.mouse_mode = Input.MOUSE_MODE_CAPTURED

func _physics_process(delta):
	# Add the gravity.
	if not is_on_floor():
		velocity.y -= gravity * delta

	# Handle jump.
	if Input.is_action_just_pressed("jump") and is_on_floor():
		velocity.y = JUMP_VELOCITY
	
	#free the mouse for debugging
	if Input.is_action_just_pressed("esc"):
		if (Input.mouse_mode == Input.MOUSE_MODE_CAPTURED):
			Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
		else:
			Input.mouse_mode = Input.MOUSE_MODE_CAPTURED
	
	# interact with stuff
	if Input.is_action_just_pressed("drop"):
		drop()
	
	# interact with stuff
	if Input.is_action_just_pressed("interact"):
		if "name" in raycast.get_collider():
			if "command_name" in raycast.get_collider():
				# clicked a command block
				print(raycast.get_collider().command_name)
				
				#hand.add_child(held_object)
				if(!has_object):
					held_object = raycast.get_collider()
					held_object.reparent(hand)
					held_object.position = Vector3(0,0,0)
					held_object.freeze = true
					has_object = true
			elif "placed_command" in raycast.get_collider():
				# clicked a pedestal, place on pedestal if its not already got something
				var clicked_pedestal = raycast.get_collider() as Pedestal
				print("clicked pedestal: "+ clicked_pedestal.name)
				if(has_object and not clicked_pedestal.has_command):
					print("trying to place")
					held_object.reparent(clicked_pedestal.slot)
					held_object.position = Vector3(0,0,0)
					held_object.rotation_degrees = Vector3(0,0,0)
					has_object = false
					clicked_pedestal.has_command = true
					clicked_pedestal.placed_command = held_object
			else:
				print(raycast.get_collider().name)
			object_clicked.emit(raycast.get_collider())
		else:
			print("womp womp")
		

	# Get the input direction and handle the movement/deceleration.
	# As good practice, you should replace UI actions with custom gameplay actions.
	var input_dir = Input.get_vector("mov_left", "mov_right", "mov_up", "mov_down")
	var direction = (transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()
	if direction:
		velocity.x = direction.x * SPEED
		velocity.z = direction.z * SPEED
	else:
		velocity.x = move_toward(velocity.x, 0, SPEED)
		velocity.z = move_toward(velocity.z, 0, SPEED)

	move_and_slide()
	

func _input(event):
	# camera control
	if event is InputEventMouseMotion and Input.mouse_mode == Input.MOUSE_MODE_CAPTURED:
		rotate_y(-event.relative.x * mouse_sensitivity)
		camera.rotate_x(-event.relative.y * mouse_sensitivity)
		camera.rotation.x = clampf(camera.rotation.x, -deg_to_rad(70), deg_to_rad(70))

func drop():
	if has_object:
		held_object.reparent(get_tree().get_root())
		held_object.freeze = false
		has_object = false