using System;
using System.Collections;
using Cysharp.Threading.Tasks;
using AlicizaX.Resource.Runtime;
using AlicizaX.Fsm.Runtime;
using AlicizaX.Procedure.Runtime;
using AlicizaX.Runtime;
using UnityEngine;
using YooAsset;

namespace Unity.Startup.Procedure
{
    internal sealed class ProcedureUpdateManifest : ProcedureBase
    {
        protected override async void OnEnter(IFsm<IProcedureManager> procedureOwner)
        {
            base.OnEnter(procedureOwner);

            if (GameApp.Resource.GamePlayMode == EPlayMode.OfflinePlayMode)
            {
                var buildInOperation = GameApp.Resource.UpdatePackageManifestAsync(GameApp.Resource.PackageVersion);
                await buildInOperation.ToUniTask();
                ChangeState<ProcedurePatchDone>(procedureOwner);
                return;
            }

            GameApp.Event.Fire(this, AssetPatchStatesChangeEventArgs.Create(ResourceComponent.BuildInPackageName, EPatchStates.UpdateManifest));
            UpdateManifest(procedureOwner).Forget();
        }


        private async UniTaskVoid UpdateManifest(IFsm<IProcedureManager> procedureOwner)
        {
            await UniTask.Delay(TimeSpan.FromSeconds(0.5f));


            UpdatePackageManifestOperation buildInOperation;
            if (GameApp.Resource.GamePlayMode == EPlayMode.EditorSimulateMode)
            {
                buildInOperation = GameApp.Resource.UpdatePackageManifestAsync("Simulate");
            }
            else
            {
                buildInOperation = GameApp.Resource.UpdatePackageManifestAsync(GameApp.Resource.PackageVersion);
            }

            await buildInOperation.ToUniTask();


            if (buildInOperation.Status == EOperationStatus.Succeed)
            {
                //更新成功
                ChangeState<ProcedureCreateDownloader>(procedureOwner);
            }
            else
            {
                //更新失败
                Debug.LogError(buildInOperation.Error);
                GameApp.Event.Fire(this, AssetPatchManifestUpdateFailedEventArgs.Create(ResourceComponent.BuildInPackageName, buildInOperation.Error));

                //询问是否重试
                //ChangeState<ProcedureUpdateManifest>(procedureOwner);
            }
        }
    }
}