class_name MainCamera
extends Camera3D

@export var _height_offset: float = 0.5
@export var _distance: float = 50
@export var _angle_degrees: Vector3 = Vector3(-35, -45, 0)
@export var _aim_offset_factor_mouse: float = 0.2
@export var _aim_offset_factor_controller: float = 0.5
@export var _aim_damping: float = 1

var _floor_height: float = 0
var _aim_offset: Vector3


func _ready() -> void:
	Referencer.main_camera = self


func _process(delta: float) -> void:
	_follow(delta)


func _follow(delta: float) -> void:
	var player_position := Referencer.player.global_position
	if Referencer.player.is_on_floor():
		_floor_height = player_position.y
	player_position.y = _floor_height + Projectile.HEIGHT

	if Inputer.mode == Inputer.Mode.KB_MOUSE:
		_aim_offset = Referencer.player.aiming.aim_offset
	else:
		var new_aim_offset := (
			Vector3.ZERO
			if Referencer.player.aiming.aim_input.length() == 0
			else Referencer.player.aiming.aim_offset
		)
		_aim_offset = _aim_offset.lerp(new_aim_offset, _aim_damping * delta)

	var follow_position := (
		player_position
		+ (
			_aim_offset
			* (
				_aim_offset_factor_mouse
				if Inputer.mode == Inputer.Mode.KB_MOUSE
				else _aim_offset_factor_controller
			)
		)
	)

	global_rotation_degrees = _angle_degrees
	global_position = (
		follow_position + Vector3.UP * _height_offset + transform.basis.z * _distance
	)

	Debugger.circle("follow_position", follow_position)