extends CharacterBody3D

@onready var animated_mesh = $GobotSkin
var in_battle: bool = false
const SPEED = 5.0
const JUMP_VELOCITY = 4.5

func on_save_game(saved_data : Array[SavedData]):
	var data = SavedData.new()
	data.position = global_position
	data.scene_path = scene_file_path
	saved_data.append(data)
	
func on_before_load_game():
	get_parent().remove_child(self)
	queue_free()

func on_load_game(saved_data: SavedData):
	global_position = saved_data.position

func _physics_process(delta: float) -> void:
	if in_battle == true:
		return
		
	animated_mesh.idle()
	
	# Add the gravity.
	if not is_on_floor():
		velocity += get_gravity() * delta
		animated_mesh.fall()

	# Handle jump.
	if Input.is_action_just_pressed("ui_accept"):
		print("jump")
		animated_mesh.run()
	
	if Input.is_action_just_pressed("ui_accept") and is_on_floor():
		velocity.y = JUMP_VELOCITY
		
	# Camera rotation
	var camera_input_dir := Input.get_vector("joystick_right_left", "joystick_right_right", "joystick_right_left", "joystick_right_right")
	$CameraRoot.rotation.y += camera_input_dir.x

	# 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("ui_left", "ui_right", "ui_up", "ui_down")
	
	if input_dir.length() > 0 and is_on_floor():
		animated_mesh.run()
	if input_dir.length() > 0 and not is_on_floor():
		animated_mesh.fall()
		
	var direction := (transform.basis * Vector3(input_dir.x, 0, input_dir.y)).normalized()

	# Rotate the direction with the camera, so that the cameras forward direction
	# is the joysticks and the players forward direction
	direction = direction.rotated(Vector3.UP, $CameraRoot.rotation.y)
	
	# Move character to the direction
	if direction.length() != 0:
		$GobotSkin.rotation.y = atan2(direction.x,direction.z)
	
	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()
	
	if velocity.length() < 0.05:
		animated_mesh.idle()

# what happens when a battle starts?
# the player is positioned (mostly somewhere else than the current position)
# ui changes
# music changes
func start_battle(enemy: Node3D, player_position: Vector3) -> void:
	position = Vector3(player_position.x, position.y, player_position.z)
	in_battle = true
	velocity = Vector3.ZERO
	animated_mesh.idle()
	UI.show_battle_ui(true)
	UI.show_ingame_controls(false)
	
	
	
	await get_tree().create_timer(2.0).timeout
	print("Battle over")
	in_battle = false

func save() -> Dictionary:
	var save_dict =  {
		"player_transform": {
			"pos_x": global_position.x,
			"pos_y": global_position.y,
			"pos_z": global_position.z,
			"rot_x": global_rotation.x,
			"rot_y": global_rotation.y,
			"rot_z": global_rotation.z
		}
	}
	return save_dict