using System.Threading;
using UnityEngine;
using YooAsset;

namespace ET
{
	// 1 mono模式 2 ILRuntime模式 3 mono热重载模式
	public enum CodeMode
	{
		Mono = 1,
		ILRuntime = 2,
		Reload = 3,
	}
	
	public class Init: MonoBehaviour
	{
		public CodeMode CodeMode = CodeMode.Mono;
		public YooAssets.EPlayMode PlayMode = YooAssets.EPlayMode.EditorSimulateMode;
		
		private void Awake()
		{
#if ENABLE_IL2CPP
			this.CodeMode = CodeMode.ILRuntime;
#endif
			
			System.AppDomain.CurrentDomain.UnhandledException += (sender, e) =>
			{
				Log.Error(e.ExceptionObject.ToString());
			};
			
			SynchronizationContext.SetSynchronizationContext(ThreadSynchronizationContext.Instance);
			
			DontDestroyOnLoad(gameObject);
			
			LitJson.UnityTypeBindings.Register();

			ETTask.ExceptionHandler += Log.Error;

			Log.ILog = new UnityLogger();

			Options.Instance = new Options();

			CodeLoader.Instance.CodeMode = this.CodeMode;
			Options.Instance.Develop = 1;
			Options.Instance.LogLevel = 0;
			
			FUIEntry.Init();
			
			this.CheckUpdate().Coroutine();
		}

		// private void Start()
		// {
		// 	CodeLoader.Instance.Start();
		// }
		
		private async ETTask CheckUpdate()
		{
			if (this.PlayMode == YooAssets.EPlayMode.HostPlayMode)
			{
				FUICheckUpdateComponent.Init();
			}
			
			await YooAssetWrapper.InitializeAsync(this.PlayMode);
			int version = await YooAssetWrapper.UpdateStaticVersion();
			Debug.Log(version);
			var result = await YooAssetWrapper.UpdateManifest(version);

			if (!result)
			{
				FUICheckUpdateComponent.SetMessage("Update Manifest Failed");
			}
			
			YooAssetWrapper.GetDownloadSize();
			result = await YooAssetWrapper.Download();
			if (result)
			{
				if (this.PlayMode == YooAssets.EPlayMode.HostPlayMode)
				{
					FUICheckUpdateComponent.RemoveUI();
				}

				CodeLoader.Instance.Start();
			}
			else
			{
				FUICheckUpdateComponent.SetMessage("Download Resource Failed");
			}
		}

		private void Update()
		{
			CodeLoader.Instance.Update?.Invoke();
		}

		private void LateUpdate()
		{
			CodeLoader.Instance.LateUpdate?.Invoke();
		}

		private void OnApplicationQuit()
		{
			CodeLoader.Instance.OnApplicationQuit();
			CodeLoader.Instance.Dispose();
		}
	}
}