using Thousandto.Core.Base;
using Thousandto.Core.Support;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using FLogger = UnityEngine.Gonbest.MagicCube.FLogger;

namespace Thousandto.Code.Logic
{
    /// <summary>
    /// 游戏状态系统
    /// </summary>
    public class GameStateSystem: BaseStateSystem
    {
        #region//私有变量
        //所有状态集合
        private IGameState[] _statesCache = null;
        #endregion

        #region//继承
        /// <summary>
        /// 初始化
        /// </summary>
        protected override void OnInitialize()
        {
            //FLogger.DebugLog("InitGameSate");
            try
            {
                _statesCache = new IGameState[(int)GameStateId.Count];
                _statesCache[(int)GameStateId.PreLoad] = new PreLoadState(GameStateId.PreLoad);
                _statesCache[(int)GameStateId.Login] = new LoginState(GameStateId.Login);
                _statesCache[(int)GameStateId.SceneLoading] = new SceneLoadingState(GameStateId.SceneLoading);
                _statesCache[(int)GameStateId.World] = new WorldState(GameStateId.World);
                _statesCache[(int)GameStateId.RetToLogin] = new RetToLoginState(GameStateId.RetToLogin);
                _statesCache[(int)GameStateId.RetToUpdate] = new RetToUpdateState(GameStateId.RetToUpdate);
                for (int i = 0; i < (int)GameStateId.Count; ++i)
                {
                    if (_statesCache[i] != null)
                    {
                        _statesCache[i].Load();
                    }
                }

                //最新进行资源预加载
                ChangeState((int)GameStateId.PreLoad);
            }
            catch (Exception e)
            {
                FLogger.DebugLogException(e);
            }
        }

        /// <summary>
        /// 反初始化
        /// </summary>
        protected override void OnUnInitialize()
        {
            if (Fsm != null)
            {
                Fsm.Clear();
            }
        }

        /// <summary>
        /// 通过id获取游戏状态
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        protected override IGameState OnGetStateById(int id)
        {
            if (id < _statesCache.Length)
                return _statesCache[id];
            return null;
        }

        /// <summary>
        /// 切换状态
        /// </summary>
        /// <param name="stateId"></param>
        /// <param name="arg"></param>
        protected override void OnChangeState(int stateId, object arg)
        {
            if (Fsm != null)
                Fsm.ChangeState(stateId, arg);
        }

        /// <summary>
        /// 处理状态消息
        /// </summary>
        /// <param name="msg"></param>
        protected override void OnHandlerMessage(object msg)
        {
            if (Fsm != null)
                Fsm.HandlerMessage(msg);
        }

        /// <summary>
        /// 更新fsm
        /// </summary>
        /// <param name="dt"></param>
        protected override void OnUpdate(float dt)
        {
            if (Fsm != null)
                Fsm.Update(dt);
        }
        #endregion
    }
}