using System;
using UnityEngine;


namespace Unity.Startup.Procedure
{
    public enum UpdateProcedureState : byte
    {
        ProcedureStart,
        ProcedureGetGlobalInfoState,
        ProcedureGetAppVersionInfoState,
        ProcedureUpdateStaticVersion,
        ProcedureUpdateManifest,
        ProcedurePatchInit,
        ProcedureCreateDownloader,
        ProcedureDownloadWebFiles,
        ProcedurePatchDone,
        ProcedureClearCache,
        ProcedureLoadAssembly,
        ProcedureGameLauncherState
    }

    public class Procedure : MonoBehaviour
    {
        private UltraFSM<UpdateProcedureState> _fsm;

        private void Start()
        {
            _fsm = GameApp.Fsm.Create<UpdateProcedureState>("Procedure");
            _fsm.Register<ProcedureLauncherState>(UpdateProcedureState.ProcedureStart, false);
            _fsm.Register<ProcedureGetGlobalInfoState>(UpdateProcedureState.ProcedureGetGlobalInfoState, false);
            _fsm.Register<ProcedureGetAppVersionInfoState>(UpdateProcedureState.ProcedureGetAppVersionInfoState, false);
            _fsm.Register<ProcedureUpdateStaticVersion>(UpdateProcedureState.ProcedureUpdateStaticVersion, false);
            _fsm.Register<ProcedureUpdateManifest>(UpdateProcedureState.ProcedureUpdateManifest, false);
            _fsm.Register<ProcedurePatchInit>(UpdateProcedureState.ProcedurePatchInit, false);
            _fsm.Register<ProcedureCreateDownloader>(UpdateProcedureState.ProcedureCreateDownloader, false);
            _fsm.Register<ProcedureDownloadWebFiles>(UpdateProcedureState.ProcedureDownloadWebFiles, false);
            _fsm.Register<ProcedurePatchDone>(UpdateProcedureState.ProcedurePatchDone, false);
            _fsm.Register<ProcedureClearCache>(UpdateProcedureState.ProcedureClearCache, false);
            _fsm.Register<ProcedureLoadAssembly>(UpdateProcedureState.ProcedureLoadAssembly, false);
            _fsm.Register<ProcedureGameLauncherState>(UpdateProcedureState.ProcedureGameLauncherState, false);
            _fsm.SwitchState(UpdateProcedureState.ProcedureStart);
        }

        private void OnDestroy()
        {
            GameApp.Fsm.Destroy(_fsm);
            _fsm = null;
        }
    }
}