using BeinLab.Util;
using PublicTools.XMLDataBase;
using System;
using System.Collections.Generic;
using System.IO;

namespace XRTool.Util
{
    /// <summary>
    /// 语言控制器
    /// 提供语言切换时事件
    /// 提供语言包读取，解析
    /// 语言包放到stream包中
    /// </summary>
    public class LanguageMgr : Singleton<LanguageMgr>
    {
        /// <summary>
        /// 改变语言的事件
        /// </summary>
        public event Action<LanguagePackConf> changeLanuage;
        /// <summary>
        /// 当前的语言
        /// </summary>
        private LanguagePackConf curLanguage;
        /// <summary>
        /// 语言包列表
        /// </summary>
        private List<LanguagePackConf> languagePackList;

        private string tableName;
        private TableInterface table;
        public int LanguageCount
        {
            get
            {
                if (languagePackList != null)
                {
                    return languagePackList.Count;
                }
                return 0;
            }
        }
        //private int languageIndex = 0;
        /// <summary>
        /// 当开始引用的时候创建实例
        /// 读取配置表
        /// </summary>
        public LanguageMgr()
        {
            GameSession.OnFocusGame += OnFocusGame;
            InitLanguage();
        }
        private void InitLanguage()
        {
            if (BuildConfigMgr.Instance.IsInit)
            {
                if (TimerMgr.Instance)
                {
                    TimerMgr.Instance.CreateTimer(() =>
                    {
                        ReadLanguage(Path.Combine(ResourcesManager.LocalPath, BuildConfig.Instance.languagePath));
                    }, 0.5f);
                }
                else
                {
                    TimerMgr.InitComplte += () =>
                    {
                        TimerMgr.Instance.CreateTimer(() =>
                        {
                            ReadLanguage(Path.Combine(ResourcesManager.LocalPath, BuildConfig.Instance.languagePath));
                        }, 0.5f);
                    };
                }
            }
            else
            {
                UnityLog.Instance.LogError("配置文件丢失！");
            }
        }

        private void OnFocusGame()
        {
            if (!IsInit)
            {
                if (TimerMgr.Instance)
                {
                    TimerMgr.Instance.CreateTimer(OnFocusGame, 1f);
                }
                else
                {
                    TimerMgr.InitComplte += () =>
                    {
                        TimerMgr.Instance.CreateTimer(OnFocusGame, 1f);
                    };
                }
                return;
            }
            if (CurLanguage == null)
            {
                if (languagePackList == null || languagePackList.Count < SystemSettingMgr.Instance.settings.Language + 1)
                {
                    UnityLog.Instance.LogError("没有找到语言包");
                    InitLanguage();
                    return;
                }
                else
                {
                    CurLanguage = languagePackList[SystemSettingMgr.Instance.settings.Language];
                }
            }
            if (CurLanguage != null)
            {
                if (CurLanguage.LanguageMap == null)
                {
                    CurLanguage.ReadLanguageMap();
                }
                changeLanuage?.Invoke(CurLanguage);
                IsInit = true;
            }
        }

        private bool isInit = false;

        public LanguagePackConf CurLanguage { get => curLanguage; set => curLanguage = value; }
        public bool IsInit { get => isInit; set => isInit = value; }

        /// <summary>
        /// 读取语言包
        /// </summary>
        public void ReadLanguage(string path)
        {
            //languageIndex = SystemSettingMgr.Instance.settings.Language;
            tableName = typeof(LanguagePackConf).Name;
#if UNITY_EDITOR || !UNITY_ANDROID
            table = XSql.Instance.OpenTable(path, tableName, ".xml", true);
            OpenTable();
#else
            string fullPath = Path.Combine(path, tableName + ".xml");
            if (GameSession.Instance)
            {
                GameSession.Instance.StartCoroutine(XSql.Instance.ReadServerData(fullPath, (List<LanguagePackConf> packList) =>
                {
                    InitPackage(packList);
                }));
            }
            else
            {
                GameSession.InitComplte += () =>
                {
                    GameSession.Instance.StartCoroutine(XSql.Instance.ReadServerData(fullPath, (List<LanguagePackConf> packList) =>
                    {
                        InitPackage(packList);
                    }));
                };
            }
#endif

        }
        /// <summary>
        /// 打开语言包配置表
        /// </summary>
        public void OpenTable()
        {
            if (!table.Open())
            {
                table.Create(tableName);
                UnityLog.Instance.Log("create table" + tableName);
            }
            //languagePackList = table.FindAllData<LanguagePackConf>();
            InitPackage(table.FindAllData<LanguagePackConf>());
        }
        public void InitPackage(List<LanguagePackConf> packList)
        {
            languagePackList = packList;
            if (languagePackList == null || languagePackList.Count < SystemSettingMgr.Instance.settings.Language + 1)
            {
                UnityLog.Instance.LogError("没有找到语言包");
            }
            else
            {
                CurLanguage = languagePackList[SystemSettingMgr.Instance.settings.Language];
                if (CurLanguage.LanguageMap == null)
                {
                    CurLanguage.ReadLanguageMap();
                }
                changeLanuage?.Invoke(CurLanguage);
                IsInit = true;
            }
        }

        /// <summary>
        /// 选中某一个语言时，默认是中文
        /// </summary>
        /// <param name="index"></param>
        public void SelectLanguage(int index)
        {
            if (index >= 0 && index != SystemSettingMgr.Instance.settings.Language && index < languagePackList.Count)
            {
                SystemSettingMgr.Instance.settings.Language = index;
                CurLanguage = languagePackList[index];
                if (CurLanguage.LanguageMap == null)
                {
                    CurLanguage.ReadLanguageMap();
                }
                changeLanuage?.Invoke(CurLanguage);
                SystemSettingMgr.Instance.SaveSettings();
            }
            else
            {
                UnityLog.Instance.Log("未切换语言" + index);
            }
        }
        /// <summary>
        /// 通过Key值获取对应的语言
        /// </summary>
        /// <param name="prikey"></param>
        /// <returns></returns>
        public LanguageConf GetMessage(string prikey)
        {
            if (!string.IsNullOrEmpty(prikey))
            {
                prikey = prikey.Trim();
                if (!prikey.StartsWith(BuildConfig.Instance.prefix))
                {
                    prikey = BuildConfig.Instance.prefix + prikey;
                }
                if (CurLanguage != null)
                {
                    return CurLanguage.GetLanguage(prikey);
                }
            }
            return null;
        }
    }
}