using Cysharp.Threading.Tasks;
using UnityEngine;
using UnityEngine.SceneManagement;
using YooAsset;

namespace Unity.Loader
{
    public interface IResourcesComponent
    {
        // 
        UniTask<T> LoadAssetAsync<T>(string location, uint priority = 0) where T : UnityEngine.Object;
        UniTask<Object> LoadAssetAsync(string location, uint priority = 0);
        UniTask LoadSceneAsync(string location, LoadSceneMode sceneMode = LoadSceneMode.Single, bool suspendLoad = false, uint priority = 100);
    }

    public class ResourcesComponent : IResourcesComponent
    {
        private static ResourcesComponent instance;

        public static ResourcesComponent Instance
        {
            get
            {
                if (instance == null)
                {
                    instance = new ResourcesComponent();
                }

                return instance;
            }
        }

        public async UniTask<T> LoadAssetAsync<T>(string location, uint priority = 0) where T : UnityEngine.Object
        {
            var loadAssetAsync = YooAssets.LoadAssetAsync<T>(location, priority);
            while (!loadAssetAsync.IsDone)
            {
                Debug.Log($"加载{location}中，进度：{loadAssetAsync.Progress}");
                await UniTask.Yield();
            }

            var assetObject = loadAssetAsync.AssetObject as T;
            Debug.Log($"{location} 加载完成 : {assetObject}");
            return assetObject;
        }

        public async UniTask<Object> LoadAssetAsync(string location, uint priority = 0)
        {
            var loadAssetAsync = YooAssets.LoadAssetAsync(location, priority);
            while (!loadAssetAsync.IsDone)
            {
                Debug.Log($"加载{location}中，进度：{loadAssetAsync.Progress}");
                await UniTask.Yield();
            }

            Debug.Log($"{location} 加载完成 : {loadAssetAsync}");
            return loadAssetAsync.AssetObject;
        }

        public async UniTask LoadSceneAsync(string location, LoadSceneMode sceneMode = LoadSceneMode.Single, bool suspendLoad = false, uint priority = 100)
        {
            var loadAssetAsync = YooAssets.LoadSceneAsync(location, sceneMode, suspendLoad, priority);
            while (!loadAssetAsync.IsDone)
            {
                Debug.Log($"加载{location}中，进度：{loadAssetAsync.Progress}");
                await UniTask.Yield();
            }
            Debug.Log($"{location} 场景加载完成");
        }
    }
}