using System;
using System.Collections;
using System.Reflection;
using UnityEngine;
using EventManager = UnityEngine.Gonbest.MagicCube.EventManager;
using EventSystemHandler = UnityEngine.Gonbest.MagicCube.EventSystemHandler;
using EventMessage = UnityEngine.Gonbest.MagicCube.EventMessage;
using PreLoadEventDefine = UnityEngine.Gonbest.MagicCube.PreLoadEventDefine;

namespace Thousandto.UpdateForm.Center
{
    /// <summary>
    /// 程序集加载器
    /// </summary>
    public class AssemblyLoader
    {
        #region //成员变量定义
        //动态库文件
        private static string[] _dllfiles = new string[]
        {
            "References/ThousandtoDeclare/ThousandtoDeclare.bytes",
            null,
            "References/ThousandtoCore/ThousandtoCore.bytes",
            "References/ThousandtoLogic/ThousandtoLogic.bytes",
            "References/ThousandtoUIForm/ThousandtoUIForm.bytes",
            null,
            "References/ThousandtoBase/ThousandtoBase.bytes",
        };

        //加载dll处理的回调
        private static Func<int, string, Assembly> _callBack = null;
        //逻辑程序集
        private static Assembly _logicAssembly = null;
        //ui程序集
        private static Assembly _uiAssembly = null;
        //
        private static Assembly _coreAssembly = null;
        #endregion

        #region //成员属性定义
        //获取逻辑程序集
        private static Assembly LogicAssembly
        {
            get
            {
                if (_logicAssembly == null)
                {
                    LoadAllDll();
                }
                return _logicAssembly;
            }
        }

        //获取UI的程序集
        private static Assembly UIAssembly
        {
            get
            {
                if (_uiAssembly == null)
                {
                    LoadAllDll();
                }
                return _uiAssembly;
            }
        }
        #endregion

        #region //对外接口

        //设置程序集加载的处理器 -- 用于给Luncher程序调用
        public static void SetLoadAssemblyHandler(Func<int, string, Assembly> callBack)
        {
            _callBack = callBack;

        }

        //创建游戏中心的对象
        public static void CreateGameCenterGo()
        {

#if FUNCELL_UNUSED_DLL
            //不使用动态库的情况下使用类型直接获取.
            var gameStartup = typeof(Thousandto.Code.Center.GameStartup);
#else
            var gameStartup = UIAssembly.GetType("Thousandto.Code.Center.GameStartup");
#endif

            System.Collections.Generic.List<string> args = new System.Collections.Generic.List<string>();
            //fix yy
            //args.Add("-lang");
#if !UNITY_EDITOR || FUNCELL_LAUNCHER
            args.Add(UnityEngine.Gonbest.MagicCube.FLanguage.Default);
#endif
            if (LauncherUpdate.StartupArgs != null)
            {
                args.AddRange(LauncherUpdate.StartupArgs);
            }

            gameStartup.InvokeMember("Main", 
                BindingFlags.InvokeMethod | BindingFlags.Public | BindingFlags.Static, 
                null, null,
                new object[] { args.ToArray() }
                );
        }

        //进入游戏
        public static IEnumerator EnterGame()
        {
            EventManager.SharedInstance.PushFixEvent(PreLoadEventDefine.EID_STEP_START, 1);
            yield return null;
            LoadAllDll();
            yield return null;
            CreateGameCenterGo();
            yield return null;
        }

        //创建游戏中心的对象
        public static void CreateGameCenterGo(Action callback)
        {
            if (callback == null)
            {
                CreateGameCenterGo();
            }
            else
            {
                callback();
            }
        }

#endregion

#region//私有成员函数
        //加载所有的动态库
        private static void LoadAllDll()
        {
            if (_callBack != null)
            {
                //load base dll
                _callBack(6, _dllfiles[6]);

                for (int i = 0; i < _dllfiles.Length; i++)
                {
                    if (i == 2)
                    {
                        _coreAssembly = _callBack(i, _dllfiles[i]);
                    }
                    else if (i == 3)
                    {
                        _logicAssembly = _callBack(i, _dllfiles[i]);
                    }
                    else if (i == 4)
                    {
                        _uiAssembly = _callBack(i, _dllfiles[i]);
                    }
                    else
                    {
                        _callBack(i, _dllfiles[i]);
                    }
                }
            }
            else
            {
                _logicAssembly = Assembly.GetCallingAssembly();
                _uiAssembly = Assembly.GetCallingAssembly();
            }
        }
#endregion
    }
}