using Godot;
using RustyOptions;

namespace PolarBears.PlayerControllerAddon;

public partial class DashSystem: Node3D
{
    [Export(PropertyHint.Range, "0,0.2,0.01,or_greater")]
    public float DashSpeed { get; set; } = 0.05f;
    
    private Node3D _head;
    private ShapeCast3D _dashCast3D;
    private Camera3D _camera;

    public void Init(Node3D head, Camera3D camera)
    {
        _dashCast3D = GetNode<ShapeCast3D>("DashCast3D");
        _head = head;
        _camera = camera;
    }

    public Result<Vector3, string> PrepareDash()
    {
        _dashCast3D.SetRotation(new Vector3(
            _camera.Rotation.X,
            _head.Rotation.Y,
            _camera.Rotation.Z));

        var dashLocation = _dashCast3D.IsColliding()
            ? _dashCast3D.GetCollisionPoint(0)
            : _dashCast3D.GetTargetPosition();

        return Result.Ok(dashLocation);
    }
}