using Chickensoft.AutoInject;
using Chickensoft.Introspection;
using Godot;
using System;
using Zennysoft.Ma.Adapter;

namespace Zennysoft.Game.Ma;

[Meta(typeof(IAutoNode))]
public abstract partial class EnemyModelView : Node3D, IEnemyModelView
{
  public override void _Notification(int what) => this.Notify(what);

  protected readonly string _idleName = "Idle";
  protected readonly string _walkingName = "Walking";
  protected readonly string _stopWalkName = "Stop Walk";
  protected readonly string _primaryAttackName = "Primary Attack";
  protected readonly string _secondaryAttackName = "Secondary Attack";
  protected readonly string _primarySkillName = "Primary Skill";
  protected readonly string _activateName = "Activate";
  protected readonly string _activateFront = "activate";
  protected readonly string _activateLeft = "activate_left";
  protected readonly string _activateRight = "activate_right";
  protected readonly string _activateBack = "activate_back";
  protected readonly string _parametersPlayback = "parameters/playback";

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

  [Node] private AudioStreamPlayer3D _walkSFX { get; set; } = default!;

  protected AnimationNodeStateMachinePlayback _stateMachine;

  public AttackData AttackData { get; set; }

  public event EventHandler HitPlayer;

  public event EventHandler ActivationFinished;

  public event EventHandler TeleportAnimationFinished;

  [Export]
  public bool CanMove { get; set; } = false;

  [Export] public EnemyLoreInfo EnemyLoreInfo { get; set; } = default!;

  public void OnReady()
  {
    if (AnimationTree != null)
    {
      _stateMachine = (AnimationNodeStateMachinePlayback)AnimationTree.Get(_parametersPlayback);
      AnimationTree.AnimationFinished += AnimationTree_AnimationFinished;
    }
  }

  public virtual Vector2 GetSize()
  {
    return Vector2.Zero;
  }

  public virtual void PlayPrimaryAttackAnimation()
  {
    if (!AnimationTree.HasAnimation("primary_attack"))
      return;
    _walkSFX.Stop();
    _stateMachine.Travel(_primaryAttackName, false);
  }

  public virtual void PlaySecondaryAttackAnimation()
  {
    if (!AnimationTree.HasAnimation("secondary_attack"))
      return;
    _walkSFX.Stop();
    _stateMachine.Travel(_secondaryAttackName, false);
  }

  public virtual void PlayPrimarySkillAnimation()
  {
    if (!AnimationTree.HasAnimation("teleport"))
      return;

    _walkSFX.Stop();
    _stateMachine.Travel(_primarySkillName, false);
  }

  public virtual void PlayIdleAnimation()
  {
    _walkSFX.Stop();
    _stateMachine.Travel(_idleName, false);
  }

  public virtual void PlayWalkAnimation()
  {
    if (!_walkSFX.Playing)
      _walkSFX.Play();
    _stateMachine.Travel(_walkingName, false);
  }

  public virtual void PlayStopWalkAnimation()
  {
    _walkSFX.Stop();
    _stateMachine.Travel(_stopWalkName, false);
  }

  public virtual void PlayActivateAnimation()
  {
    if (!AnimationTree.HasAnimation(_activateFront))
      return;

    _walkSFX.Stop();
    _stateMachine.Travel(_activateName, false);
  }

  public virtual void PlayDeathAnimation() => throw new System.NotImplementedException();

  public virtual void PlayHitAnimation() => throw new System.NotImplementedException();

  protected virtual void OnPlayerHit(AttackEventArgs arg) => HitPlayer?.Invoke(this, arg);

  protected void AnimationTree_AnimationFinished(StringName animName)
  {
    if (animName == _activateFront || animName == _activateLeft || animName == _activateRight || animName == _activateBack)
      ActivationFinished?.Invoke(this, EventArgs.Empty);
    if (animName == "teleport")
      TeleportAnimationFinished?.Invoke(this, EventArgs.Empty);
  }


  public override void _ExitTree()
  {
    if (AnimationTree != null)
      AnimationTree.Get(_parametersPlayback).As<AnimationNodeStateMachinePlayback>().Stop();
    AnimationTree.AnimationFinished -= AnimationTree_AnimationFinished;
  }
}