using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Lib = ESSupport.Lib;
using System.Globalization;
using System.Data;

namespace ConnectPoint
{
    public class DataStatistics
    {
        public string ServerPartCode { get; set; }
        public string ShopCode { get; set; }
        public string MachineCode { get; set; }

        /// <summary>
        /// 获取有效商品总数
        /// </summary>
        /// <returns></returns>
        public decimal GetCommodityCount()
        {
            string _strSelectSql = String.Format("SELECT COUNT(*) AS COMMODITYCOUNT FROM T_COMMODITYEX A,T_SHOPMESSAGE B " +
                "WHERE A.ISVALID = 1 AND A.SERVERPARTSHOP_ID = B.SERVERPARTSHOP_ID AND B.SERVERPARTCODE = '{0}' " +
                "AND B.SHOPCODE = '{1}'", ServerPartCode, ShopCode);
            try
            {
                return decimal.Parse(Lib.SyBaseHelper.QueryOdbc(_strSelectSql).Tables[0].Rows[0]["COMMODITYCOUNT"].ToString());
            }
            catch (Exception ex)
            {
                return 0;
            }
        }

        /// <summary>
        /// 获取当前工班收银员
        /// </summary>
        /// <param name="isNewSystem">是否新系统</param>
        /// <returns></returns>
        public string GetPersonName(bool isNewSystem)
        {
            //select sellworkername from dba.t_sellworker a,dba.t_personsell b where a.sellworkercode = " +
            //         "b.cashworker_code and a.serverpartcode = b.serverpartcode and b.shopcode ='" +
            //         shopcode + "' and b.serverpartcode = '" + serverpartcode + "' and b.machinecode = '" + machinecode +
            //          "' and b.enddate is null"
            string _strSelectSql = "";
            if (isNewSystem)
            {
                _strSelectSql = String.Format("SELECT ISNULL(A.SELLWORKERNAME,'未登录工班') AS PERSONNAME " +
                    "FROM T_SELLWORKER A,T_PERSONSELL_NEW B WHERE A.SELLWORKERCODE = B.SELLWORKER_CODE AND " +
                    "A.SERVERPARTCODE = B.SERVERPARTCODE AND B.SERVERPARTCODE = '{0}' AND B.SHOPCODE = '{1}' AND " +
                    "B.MACHINECODE = '{2}' AND B.ENDDATE IS NULL", ServerPartCode, ShopCode, MachineCode);
            }
            else
            {
                _strSelectSql = String.Format("SELECT ISNULL(A.SELLWORKERNAME,'未登录工班') AS PERSONNAME " +
                    "FROM T_SELLWORKER A,T_PERSONSELL B WHERE A.SELLWORKERCODE = B.CASHWORKER_CODE " +
                    "AND A.SERVERPARTCODE = B.SERVERPARTCODE AND B.SERVERPARTCODE = '{0}' AND B.SHOPCODE = '{1}' " +
                    "AND B.MACHINECODE = '{2}' AND B.ENDDATE IS NULL", ServerPartCode, ShopCode, MachineCode);
            }
            try
            {
                return Lib.SyBaseHelper.QueryOdbc(_strSelectSql).Tables[0].Rows[0]["PERSONNAME"].ToString();
            }
            catch (Exception ex)
            {
                if (ServerPartCode == "888888")
                {
                    try { Lib.LogHelper.WriteServiceLog("获取当前工班收银员:" + ex.Message); } catch { }
                }
                return "未登录工班";
            }
        }

        /// <summary>
        /// 获取销售情况
        /// </summary>
        /// <param name="isNewSystem">是否新系统</param>
        /// <param name="orderCount">输出:客单数</param>
        /// <param name="sellCount">输出:销售数量</param>
        /// <param name="factAmount">输出:销售金额</param>
        /// <returns></returns>
        public bool GetSellStatistics(bool isNewSystem, out decimal orderCount, out decimal sellCount, out decimal factAmount)
        {
            string _strSelectSql = "";
            if (isNewSystem)
            {
                _strSelectSql = String.Format("SELECT COUNT(DISTINCT(SELLMASTER_CODE)) AS ORDERCOUNT," +
                    "ISNULL(SUM(SELLMASTER_COUNT),0) AS SELLCOUNT,ISNULL(SUM(SELLMASTER_AMOUNT),0) AS FACTAMOUNT " +
                    "FROM T_SELLMASTER WHERE SELLMASTER_DATE BETWEEN TODAY() AND NOW() AND SERVERPARTCODE = '{0}' " +
                    "AND SHOPCODE = '{1}' AND MACHINECODE = '{2}'", ServerPartCode, ShopCode, MachineCode);
            }
            else
            {
                _strSelectSql = String.Format("SELECT COUNT(DISTINCT(TICKETCODE)) AS ORDERCOUNT," +
                    "ISNULL(SUM(SELLCOUNT),0) AS SELLCOUNT,ISNULL(SUM(FACTAMOUNT),0) AS FACTAMOUNT " +
                    "FROM T_SELLDATA WHERE SELLDATA_DATE BETWEEN TODAY() AND NOW() " +
                    "AND SERVERPARTCODE = '{0}' AND SHOPCODE = '{1}' AND MACHINECODE = '{2}'",
                    ServerPartCode, ShopCode, MachineCode);
            }
            try
            {
                DataTable _DataTable = Lib.SyBaseHelper.QueryOdbc(_strSelectSql).Tables[0];
                orderCount = decimal.Parse(_DataTable.Rows[0]["ORDERCOUNT"].ToString());
                sellCount = decimal.Parse(_DataTable.Rows[0]["SELLCOUNT"].ToString());
                factAmount = decimal.Parse(_DataTable.Rows[0]["FACTAMOUNT"].ToString());
            }
            catch
            {
                orderCount = 0;
                sellCount = 0;
                factAmount = 0;
            }
            return true;
        }

        /// <summary>
        /// 获取最后一笔交易时间
        /// </summary>
        /// <param name="isNewSystem"></param>
        /// <returns></returns>
        public string GetLastTrade(bool isNewSystem = true)
        {
            string _strSelectSql = "";
            if (isNewSystem)
            {
                _strSelectSql = String.Format("SELECT MAX(SELLMASTER_DATE) FROM T_SELLMASTER " +
                    "WHERE SELLMASTER_DATE < NOW() AND SERVERPARTCODE = '{0}' AND SHOPCODE = '{1}' " +
                    "AND MACHINECODE = '{2}'", ServerPartCode, ShopCode, MachineCode);
            }
            else
            {
                _strSelectSql = String.Format("SELECT MAX(SELLDATA_DATE) FROM T_SELLDATA " +
                    "WHERE SELLDATA_DATE < NOW() AND SERVERPARTCODE = '{0}' AND SHOPCODE = '{1}' " +
                    "AND MACHINECODE = '{2}'", ServerPartCode, ShopCode, MachineCode);
            }
            try
            {
                return ((DateTime)Lib.SyBaseHelper.QueryOdbc(_strSelectSql).Tables[0].Rows[0][0]).ToString("yyyy/MM/dd", DateTimeFormatInfo.InvariantInfo);
            }
            catch (Exception ex)
            {
                return "";
            }
        }

        /// <summary>
        /// 获取最近一笔交易详情
        /// </summary>
        /// <param name="isNewSystem"></param>
        /// <returns></returns>
        public string GetLastSellData(bool isNewSystem = true)
        {
            //销售日期，销售商品，销售金额
            string _strSellDate = "";
            string _strCommodity = "";
            decimal _decFactAmount = 0;
            string _strSellDetail = "";
            string _strSelectSql = "";
            if (isNewSystem)
            {
                _strSelectSql = "SELECT B.SELLMASTER_DATE AS SELLDATA_DATE,B.SELLMASTER_AMOUNT AS FACTAMOUNT" +
                    ",A.COMMODITY_CODE AS COMMODITY_CODE,A.SELLDETAILS_COUNT AS SELLCOUNT,A.SELLDETAILS_PRICE AS SELLPRICE " +
                    "FROM T_SELLDETAILS A,T_SELLMASTER B WHERE A.SELLMASTER_CODE = B.SELLMASTER_CODE AND B.SELLMASTER_DATE = (" +
                    "SELECT MAX(SELLMASTER_DATE) FROM T_SELLMASTER WHERE SELLMASTER_DATE BETWEEN TODAY() AND NOW())";
            }
            else
            {
                _strSelectSql = "SELECT SELLDATA_DATE,COMMODITY_CODE,FACTAMOUNT,SELLCOUNT,SELLPRICE " +
                    "FROM T_SELLDATA WHERE SELLDATA_DATE = (SELECT MAX(SELLDATA_DATE) " +
                    "FROM DBA.T_SELLDATA WHERE SELLDATA_DATE BETWEEN TODAY() AND NOW())";
            }
            try
            {
                DataTable _DataTable = Lib.SyBaseHelper.QueryOdbc(_strSelectSql).Tables[0];
                if (_DataTable.Rows.Count > 0)
                {
                    //销售时间
                    _strSellDate = _DataTable.Rows[0]["SELLDATA_DATE"].ToString();
                    //销售金额
                    if (isNewSystem)
                    {
                        _decFactAmount = (decimal)_DataTable.Rows[0]["FACTAMOUNT"];
                    }
                    else
                    {
                        _decFactAmount = (decimal)_DataTable.Compute("SUM(FACTAMOUNT)", "");
                    }
                    //销售明细
                    for (int i = 0; i < _DataTable.Rows.Count; i++)
                    {
                        _strCommodity += (_strCommodity == "" ? "" : ",") + _DataTable.Rows[i]["COMMODITY_CODE"].ToString();
                        _strSellDetail += (_strSellDetail == "" ? "(" : ",(") + ((decimal)_DataTable.Rows[i]["SELLCOUNT"]).ToString("F2") +
                            "*" + ((decimal)_DataTable.Rows[i]["SELLPRICE"]).ToString("F2") + ")";
                    }
                    return _strSellDate + "|" + _strCommodity + "|" + _decFactAmount.ToString("F2") + "|" + _strSellDetail;
                }
                else
                {
                    return "";
                }
            }
            catch
            {
                return "";
            }
        }
    }
}