using Chickensoft.AutoInject;
using Chickensoft.GodotNodeInterfaces;
using Chickensoft.Introspection;
using Godot;

namespace GameJamDungeon
{
  public interface IBoss : ICharacterBody3D
  {
    public AnimationTree AnimationTree { get; }

    public Timer AttackTimer { get; }

    public void Activate();
  }

  [Meta(typeof(IAutoNode))]
  public partial class Boss : CharacterBody3D, IBoss, IProvide<IBossLogic>
  {
    public override void _Notification(int what) => this.Notify(what);

    public IBossLogic BossLogic { get; set; } = default!;

    IBossLogic IProvide<IBossLogic>.Value() => BossLogic;

    public BossLogic.IBinding BossBinding { get; set; } = default!;

    [Dependency] public IGameRepo GameRepo => this.DependOn<IGameRepo>();

    [Node] public AnimationTree AnimationTree { get; set; } = default!;

    [Node] public Timer AttackTimer { get; set; } = default!;

    public void Setup()
    {
      BossLogic = new BossLogic();
      BossLogic.Set(this as IBoss);
      BossLogic.Set(GameRepo);

      SetPhysicsProcess(false);
      Hide();
    }

    public void OnResolved()
    {
      BossBinding = BossLogic.Bind();

      this.Provide();
      BossLogic.Start();
      AttackTimer.Timeout += AttackTimer_Timeout;
    }

    public void Activate()
    {
      BossLogic.Input(new BossLogic.Input.Activate());
    }

    private void AttackTimer_Timeout()
    {
      var random = new RandomNumberGenerator();
      random.Randomize();
      var selection = random.RandWeighted([0.2f, 0.8f]);
      if (selection == 0)
        BossLogic.Input(new BossLogic.Input.SecondaryAttack());
      else
        BossLogic.Input(new BossLogic.Input.PrimaryAttack());
    }

    public void OnPhysicsProcess(double delta)
    {
      BossLogic.Input(new BossLogic.Input.PhysicsTick(delta));
      MoveAndSlide();
    }
  }
}