using System.Collections;
using UnityEngine;
using UnityEngine.SceneManagement;

namespace UFS3.Management
{
	public class SceneManager : MonoBehaviour
	{
		public static SceneManager Instance;

		public static void LoadAsync(string sceneName, LoadSceneMode mode)
		{
			if (Instance == null)
			{
				Instance = new GameObject("SceneManager").AddComponent<SceneManager>();
			}
			Instance.StartCoroutine(Instance.LoadGameScene(sceneName, mode));
		}

		public static void UnloadScene(string sceneName)
		{
			if (!UnityEngine.SceneManagement.SceneManager.GetSceneByName(sceneName).isLoaded)
			{
				Debug.LogWarning("Scene '" + sceneName + "' is not currently loaded.");
				return;
			}
			UnityEngine.SceneManagement.SceneManager.UnloadScene(sceneName);
			Debug.Log("Scene '" + sceneName + "' unloaded successfully.");
		}

		private IEnumerator LoadGameScene(string sceneName, LoadSceneMode mode)
		{
			AsyncOperation ao = UnityEngine.SceneManagement.SceneManager.LoadSceneAsync(sceneName, mode);
			while (!ao.isDone)
			{
				yield return null;
			}
		}
	}
}