using Cysharp.Threading.Tasks;
using PhxhSDK;
using PhxhSDK.Res;
using UnityEngine;
using UnityEngine.SceneManagement;

namespace Gameplay.SubSystems
{
    /// <summary>
    /// 游戏场景的底层逻辑
    /// </summary>
    public class GameSceneManager : Singlenton<GameSceneManager>
    {
        
        private ISceneLoader _sceneLoader;
        public ISceneLoader SceneLoader => _sceneLoader;
        
        public GameSceneManager()
        {
            #if UNITY_EDITOR
            if (!Application.isPlaying)
            {
                _sceneLoader = new SceneLoader_Fake();
                return;
            }
            #endif
            #if USE_YOO
            _sceneLoader = new SceneLoader_YooAsset();
            #else
            _sceneLoader = new SceneLoader_Addressables();
            #endif
        }

        public async UniTask<SceneHandle> LoadSceneAsync(string scenePath, LoadSceneMode mode = LoadSceneMode.Single)
        {
            return await _sceneLoader.LoadSceneAsync(scenePath, mode);
        }

        public async UniTask UnLoadSceneAsync(string scenePath)
        {
            await _sceneLoader.UnLoadSceneAsync(scenePath);
        }

        /// <summary>
        /// 返回场景加载的进度
        /// </summary>
        /// <param name="scenePath"></param>
        /// <returns>0-100的浮点数</returns>
        public float GetSceneLoadingProgress(string scenePath)
        {
            return _sceneLoader.GetSceneLoadingProgress(scenePath);
        }

        // 这个方法目前看起来没有引用
        // public SceneHandle GetLoadedSceneHandle(string scenePath)
        // {
        //     scenePath = GetPostProcessedScenePath(scenePath);
        //     var op = _sceneOpDic.GetValueOrDefault(scenePath);
        //     if (op.Status == AsyncOperationStatus.Succeeded)
        //     {
        //         return new SceneHandle(op.Result.Scene);
        //     }
        //
        //     return null;
        // }
    }
}