using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;

namespace WebService.SDK.MemberService
{
    public class MallService
    {
        /// <summary>
        /// 获取在线订单主表数据
        /// </summary>
        /// <param name="oracleHelper">数据库连接对象</param>
        /// <param name="provinceCode">省份编码</param>
        /// <param name="serverPartShopID">门店内码</param>
        /// <param name="salebillType">订单类型</param>
        /// <param name="saleBillState">订单状态</param>
        /// <param name="orderDate">最小订单时间</param>
        /// <returns></returns>
        public static string GetOnlineOrder(OracleHelper oracleHelper, int provinceCode,
            int serverPartShopID, int salebillType, string saleBillState, DateTime? orderDate)
        {
            if (orderDate == null || orderDate.Value == DateTime.MinValue)
            {
                orderDate = DateTime.Today.AddDays(-1);
            }
            DataTable _SaleBillTable = oracleHelper.ExcuteSqlGetDataSet(
                $@"SELECT SALEBILL_ID,SALEBILL_CODE,MEMBERSHIP_ID,SALEBILL_TYPE,
                    TABLE_NUMBER,TAKE_TYPE,PROVINCE_CODE,SERVERPART_ID,SERVERPART_CODE,
                    SERVERPART_NAME,SERVERPARTSHOP_ID,SHOPCODE,SHOPNAME,ORDER_PERSON,
                    ORDER_PERSONTEL,ORDER_DATE,RESERVATION_DATE,RECORD_COUNT,TOTAL_COUNT,
                    ORDER_AMOUNT,SALEBILL_STATE,SALEBILL_DESC,COUPON_AMOUNT,WECHAT_UNIONID,
                    WECHAT_OPENID,COUPON_SEND_ID,COUPON_ID,PAY_AMOUNT,MAKE_DATE,
                    CHANNEL_TYPE,PACK_TYPE,PACK_AMOUNT
                FROM HIGHWAY_EXCHANGE.T_SALEBILL 
                WHERE PROVINCE_CODE = {provinceCode} AND SERVERPARTSHOP_ID = {serverPartShopID} AND 
                    SALEBILL_STATE IN ({saleBillState}) AND SALEBILL_TYPE = {salebillType} AND 
                    ORDER_DATE >= TO_DATE('{orderDate.Value.ToString("yyyy/MM/dd HH:mm:ss")}','YYYY/MM/DD HH24:MI:SS') 
                ORDER BY SALEBILL_ID ").Tables[0];
            return JSonHelper.DataTableToJson(_SaleBillTable, "SALEBILLINFO");
        }

        /// <summary>
        /// 获取在线订单详情
        /// </summary>
        /// <param name="oracleHelper">数据库连接对象</param>
        /// <param name="saleBillID">订单内码</param>
        /// <returns></returns>
        public static string GetOnlineOrderDetail(OracleHelper oracleHelper, int saleBillID)
        {
            DataTable _SaleDetailTable = oracleHelper.ExcuteSqlGetDataSet(
                $@"SELECT SALEDETAIL_ID,SALEBILL_ID,PROVINCE_CODE,COMMODITY_ID,
                    COMMODITY_CODE,COMMODITY_NAME,COMMODITY_BARCODE,
                    COMMODITY_UNIT,COMMODITY_RULE,ORDER_COUNT,AVERAGE_PRICE,
                    DISCOUNT_AMOUNT,ORDER_AMOUNT,SALEDETAIL_DESC
                FROM HIGHWAY_EXCHANGE.T_SALEDETAIL 
                WHERE SALEBILL_ID = {saleBillID}").Tables[0];
            return JSonHelper.DataTableToJson(_SaleDetailTable, "SALEDETAILINFO");
        }

        /// <summary>
        /// 更新在线订单状态
        /// </summary>
        /// <param name="oracleHelper">数据库连接对象</param>
        /// <param name="saleBillID">订单内码</param>
        /// <param name="orderState">更新的订单状态</param>
        /// <param name="machineCode">接收的收银机号</param>
        /// <param name="printTime">操作时间</param>
        /// <returns></returns>
        public static string UpdateOnlineOrderState(OracleHelper oracleHelper, int saleBillID,
            int orderState, string machineCode, DateTime? printTime)
        {
            if (printTime == null || printTime.Value == DateTime.MinValue)
            {
                printTime = DateTime.Now;
            }
            try
            {
                DataTable _SaleBillTable = oracleHelper.ExcuteSqlGetDataSet(
                    $@"SELECT SALEBILL_ID,SALEBILL_STATE 
                    FROM HIGHWAY_EXCHANGE.T_SALEBILL 
                    WHERE SALEBILL_ID = {saleBillID} 
                    ORDER BY SALEBILL_ID DESC").Tables[0];
                if (_SaleBillTable.Rows.Count > 0)
                {
                    if (int.Parse(_SaleBillTable.Rows[0]["SALEBILL_STATE"].ToString()) < orderState)
                        oracleHelper.ExcuteSql(
                            $@"UPDATE HIGHWAY_EXCHANGE.T_SALEBILL 
                            SET {(orderState == 2000 ? $@"MACHINECODE = '{machineCode}',
                                MAKE_DATE = TO_DATE('{printTime.Value.ToString("yyyy/MM/dd HH:mm:ss")}','YYYY/MM/DD HH24:MI:SS')," : "")}
                                SALEBILL_STATE = {orderState},TRANSFER_STATE = 0
                            WHERE SALEBILL_ID = {saleBillID}");
                    return "{\"error\": 1 ,\"msg\": \"更新成功！\",\"rows\":[]}";
                }
                else
                {
                    return "{\"error\": -1 ,\"msg\": \"更新失败，订单不存在！\",\"rows\":[]}";
                }
            }
            catch (Exception ex)
            {
                return "{\"error\": -2 ,\"msg\": \"更新失败：" + ex.Message + "\",\"rows\":[]}";
            }
        }
    }
}