using System;


namespace Sog
{
    public static class PayUtils
    {
        private static long m_OrderIdSeq = 0;

        /// <summary>
        /// uid - time - orderSeq - serverId - itemId - param1 - param2 - paymentId - payUrlId
        /// </summary>
        /// <param name="uid"></param>
        /// <returns></returns>
        public static string GenOrderIdForUser(long uid,uint serverId, int itemId, int p1, int p2,
            string paymentId,long payTime = 0)
        {
            long timeNow = payTime > 0 ? payTime : AppTime.GetNowSysSecond();
            m_OrderIdSeq++;
           
            string transParam1 = "";
            if (p1 < 0)
            {
                transParam1 = string.Format("{0}=",-1 * p1);
            }

            return string.Format("{0}-{1}-{2}-{3}-{4}-{5}-{6}-{7}"
                , uid, timeNow, m_OrderIdSeq, serverId, itemId, p1 >= 0 ? p1:transParam1, p2, paymentId);
        }
        public static string GenSimpleOrderIdForUser(long uid, int itemId, long payTime = 0)
        {
            long timeNow = payTime > 0 ? payTime : AppTime.GetNowSysSecond();
            m_OrderIdSeq++;
            if (m_OrderIdSeq > 9999)
            {
                m_OrderIdSeq = 1;
            }
            if(itemId > 9999)
            {
                itemId = itemId % 10000;
            }
            return string.Format("{0}-{1}-{2}--{3}---"
                , uid, timeNow, m_OrderIdSeq,  itemId);
        }
        /// <summary>
        /// 根据交易id获取时间，如果id非法返回0
        /// </summary>
        /// <param name="orderId"></param>
        /// <returns></returns>
        public static long GetTimeFromOrderId(string orderId)
        {
            string[] split = orderId.Split('-');

            if(split.Length < 4)
            {
                return 0;
            }

            string strTime = split[1];
            if(string.IsNullOrEmpty(strTime))
            {
                return 0;
            }

            long lTime = 0;
            bool bSuccess = long.TryParse(strTime, out lTime);
            if(bSuccess == false)
            {
                return 0;
            }

            return lTime;

        }

        public static int GetItemIdFromOrderId(string orderId)
        {
            string[] split = orderId.Split('-');

            if (split.Length < 5)
            {
                return 0;
            }

            return int.Parse(split[4]);
        }

        public static long GetUidFromOrderId(string orderId)
        {
            string[] split = orderId.Split('-');

            if (split.Length < 5)
            {
                return 0;
            }

            long uid = 0;
            bool bSuccess = long.TryParse(split[0], out uid);
            if (bSuccess == false)
            {
                return 0;
            }

            return uid;
        }
        public static long GetParam1FromOrderId(string orderId)
        {
            string[] split = orderId.Split('-');

            if (split.Length < 6)
            {
                return 0;
            }
            string[] split2 = split[5].Split("=");
            long param1 = 0;
            bool bSuccess = false;
            if (split2.Length == 1)
            {
                bSuccess = long.TryParse(split2[0], out param1);
                if (bSuccess == false)
                {
                    return 0;
                }
                return param1;
            }
            else if(split2.Length > 0)
            {
                bSuccess = long.TryParse(split2[0], out param1);
                if (bSuccess == false)
                {
                    return 0;
                }
                return param1 * -1;
            }
            return 0;
        }

        public static long GetParam2FromOrderId(string orderId)
        {
            string[] split = orderId.Split('-');

            if (split.Length < 7)
            {
                return 0;
            }

            long param2 = 0;
            bool bSuccess = long.TryParse(split[6], out param2);
            if (bSuccess == false)
            {
                return 0;
            }

            return param2;
        }
    }
}