using AI.Base;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;
using UnityEngine.UIElements;
using static EnemySpawnerManager;

public class EnemySpawnerManager : MonoBehaviour {
  public static EnemySpawnerManager Instance;
  public static Action UpdateTick;
  public static Action GizmoTick;

  [SerializeField] public GameObject GoblerPreFab;
  private GameObjectPool GoblerPool;
  [SerializeField] public bool CanStartSpawning = true;


  public class Gobler {
    public GameObject Object;
    public GoblerStateManager Manager;

    public Gobler(GameObject obj, GoblerStateManager manager) {
      Object = obj;
      Manager = manager;
    }
  }

  public void Awake() {
    Instance = this;
    EnemySpawnerData.Goblers.Clear();
    GoblerPool = new GameObjectPool(GoblerPreFab, 50, 200);
  }

  public static void RemoveGobler(GameObject gameObject) {
    Destroy(gameObject);
    EnemySpawnerData.Goblers.Remove(gameObject);
  }

  public void Update() {
    StartSpawning();
    UpdateTick?.Invoke();
  }

  public void StartSpawning() {
    if (!CanStartSpawning) return;

    while (EnemySpawnerData.Goblers.Count() < EnemySpawnerData.MaxGoblers) {
      var gobler = GoblerPool.Get(transform.position, Quaternion.identity);
      EnemySpawnerData.Goblers.Add(gobler, new GoblerStateManager(gobler));
    }

    CanStartSpawning = false;
  }

  public void OnDrawGizmos() {
    GizmoTick?.Invoke();
  }

  public static void DrawWireSphere(Color color, Vector3 center, float radius) {
    Gizmos.color = color;
    Gizmos.DrawWireSphere(center, radius);
  }
}

public static class EnemySpawnerData {
  public static Dictionary<GameObject, GoblerStateManager> Goblers = new Dictionary<GameObject, GoblerStateManager>();
  public static int MaxGoblers = 100;
}