using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

using Sog;

namespace DB
{
    public static class DBServerUtils
    {
        public static string GetAccountTableName(int accountType, string accountID)
        {
            int accountTableIndex = TableIndexCalc.CalcAccountTableIndex(accountType, accountID);

            return "tbaccount_" + accountTableIndex.ToString();
        }

        public static string GetAccountRealmUidLinkTableName(int accountType, string accountID)
        {
            int accountTableIndex = TableIndexCalc.CalcAccountTableIndex(accountType, accountID);

            return "tbacc_realmuid_link_" + accountTableIndex.ToString();
        }

        public static string GetAccountRealmUidLinkTableNameByUid(int uid)
        {
            // 目前 根据uid 和根据account计算结果都相同，这里新增一个根据uid获取 表名的方法
            // 直接就在这处理了
            int index = (int)(uid % 100);
            if (index == 0)
            {
                index = 100;
            }
            return "tbacc_realmuid_link_" + index;
        }

        public static string GetPayTableName(long uid)
        {
            int index = TableIndexCalc.CalcPayTableIndex(uid);
            return "tbpay_" + index;
        }

        public static DBServerData GetDBServerData()
        {
            return ServerDataObjMgr.GetDataObj<DBServerData>(DBDataObjType.DBServerData);
        }

        public static ProtoCSStructPacker GetProtoPacker()
        {
            return ProtoPackerFactory.Instance.GetProtoCSStructPacker();
        }

        public static StructPacketSender GetPacketSender()
        {
            return GetDBServerData().m_packetSender;
        }

        public static long GetTimeSecond()
        {
            return GetDBServerData().m_app.Time.GetTimeSecond();
        }

        public static uint GetAppID()
        {
            return GetDBServerData().m_app.ServerID;
        }

		/// <summary>
		/// 获取服务器配置方法
		/// </summary>
		public static DBServerConfig GetServerConfig()
		{
			return (DBServerConfig)ServerConfigMgr.Instance.m_serverConfig;
		}

        public static void ParseDBConfig(ServerApp app, out int dbtype, out string dbname, out string dbip)
        {
            DBServerConfig serverConfig = GetServerConfig();

            // 优先使用参数里传入的db配置, 方便每个人独立修改
            string dbtypestr = app.GetCluster().GetAppParamByKey("dbtype");
            if (string.IsNullOrEmpty(dbtypestr) || !int.TryParse(dbtypestr, out dbtype))
            {
                dbtype = serverConfig.dbtype;
            }

            dbip = app.GetCluster().GetAppParamByKey("dbip");
            if (string.IsNullOrEmpty(dbip))
            {
                dbip = serverConfig.dbip;
            }

            if (dbtype == 1) // mongo db 不再使用
            {
                TraceLog.Error("GameDBServerUtils.ParseDBConfig invalid dbtype 1");
            }
            else if (dbtype == 2)
            {
                string rs = app.GetCluster().GetAppParamByKey("redisDBReplicaSet");
                if (string.IsNullOrEmpty(rs))
                {
                    rs = serverConfig.redisDBReplicaSet;
                }
                // 配置格式: 127.0.0.1:27027;127.0.0.1:27028;127.0.0.1:27029, 需要把;替换成,
                if (! string.IsNullOrEmpty(rs))
                {
                    dbip = rs.Replace(';', ',').TrimEnd(',');
                }
            }
 
            // dbname不让单独修改, 大家统一简单些
            dbname = serverConfig.dbname;
        }
    }
}