using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class EnemyHandler : MonoBehaviour
{
    [Header("Parameters")]
    [SerializeField] [Range(0.1f, 60f)] float spawnRate = 60f;
    [SerializeField] int objectPoolSize = 15;

    [Header("Prefabs")]
    [SerializeField] GameObject objectPool;
    [SerializeField] List<GameObject> enemyPrefabs = new List<GameObject>();

    [Header("Lists")]
    [SerializeField] List<GameObject> enemyPools = new List<GameObject>();
    [SerializeField] List<GameObject> allEnemies = new List<GameObject>();
    
    private void Start()
    {
        //gridManager.CalculateNewPath();

        PopulateObjectPools();
    }

    private void Update()
    {
        if (Input.GetKeyDown(KeyCode.N))
        {
        }
    }

    void PopulateObjectPools()
    {
        foreach (GameObject enemy in enemyPrefabs)
        {
            GameObject newPool = Instantiate(objectPool, transform);
            newPool.transform.name = $"ObjectPool:{enemy.name}";
            ObjectPool poolScript = newPool.GetComponent<ObjectPool>();
            enemyPools.Add(newPool);

            for (int i = 0; i < objectPoolSize; i++)
            {
                enemy.SetActive(false);
                poolScript.AddObject(enemy);
            }
        }
    }

    public void AddEnemyToAllEnemies(GameObject _enemy)
    {
        allEnemies.Add(_enemy);
    }

    public void RemoveEnemy(GameObject _enemy)
    {
        allEnemies.Remove(_enemy);
    }

    public List<GameObject> ReturnAllEnemies()
    {
        return allEnemies;
    }
    
    public Vector2Int GetCoordinatesFromPosition(Vector3 position)
    {
        Vector2Int coordinates = new Vector2Int();
        coordinates.x = Mathf.RoundToInt(position.x / UnityEditor.EditorSnapSettings.move.x);
        coordinates.y = Mathf.RoundToInt(position.z / UnityEditor.EditorSnapSettings.move.z);

        return coordinates;
    }

    public void NotifyEnemiesOfNewPath()
    {
        BroadcastMessage("RecalculatePath", SendMessageOptions.DontRequireReceiver);
    }
}