using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web;
using SuperMap.RealEstate.ServiceModel;
using COMB = SuperMap.RealEstate.Coop.Merchant.Business;
using MSPB = SuperMap.RealEstate.MobileServicePlatform.Business;
using ESCom = EShang.Common;
using HZQR.Common;

namespace YFBusinessApi.Helper
{
    public class CouponHelper
    {
        #region 方法 -> 查看优惠券详情
        /// <summary>
        /// 查看优惠券详情
        /// </summary>
        /// <param name="_Transaction">事务管理器</param>
        /// <param name="membershipId">商家会员内码</param>
        /// <param name="Coupon_Code">卡券编码</param>
        /// <returns></returns>
        public static Models.CouponModel GetCouponDetail(
            Transaction _Transaction, string membershipId, string Coupon_Code)
        {
            Models.CouponModel couponModel = new Models.CouponModel();

            if (Coupon_Code.Length == 12 || Coupon_Code.Length == 13)
            {
                //加长后的券码是12或者13位，截取前9位作为优惠券码
                Coupon_Code = Coupon_Code.Substring(0, 9);
            }
            else if (Coupon_Code.Length == 9)
            {
                //原券码是9位，截取前6位作为优惠券码
                Coupon_Code = Coupon_Code.Substring(0, 6);
            }

            COMB.COUPON_SEND _COUPON_SEND = new COMB.COUPON_SEND(_Transaction);
            _COUPON_SEND.AddSearchParameter("COUPON_CODE", Coupon_Code);
            if (_COUPON_SEND.Search())
            {
                COMB.COUPON _COUPON = new COMB.COUPON(_Transaction);
                _COUPON.COUPON_ID = _COUPON_SEND.COUPON_ID;
                if (_COUPON.Select())
                {
                    //商家版小程序通过会员服务区门店权限判断是否支持该卡券使用
                    string provinceCodes = "", serverpartShopCodes = "";
                    ESCom.BusinessMan.GetUserServerPartShop(membershipId.TryParseToInt(),
                        _Transaction, ref provinceCodes, ref serverpartShopCodes);
                    if (_COUPON.ExecuteDataTable($@"SELECT 1 FROM COOP_MERCHANT.T_COOPSHOP_RULE_ITEM 
                    WHERE COOPSHOP_RULE_ID = {_COUPON_SEND.COOPSHOP_RULE_ID} AND 
                        SERVERPART_CODE || SHOPCODE IN ('{serverpartShopCodes.Replace(",", "','")}')").Rows.Count <= 0)
                    {
                        couponModel.Coupon_WriteOffType = 0;
                    }
                    else
                    {
                        couponModel.Coupon_WriteOffType = 1;
                    }

                    couponModel.CouponSend_Id = _COUPON_SEND.COUPON_SEND_ID.Value;
                    couponModel.Coupon_Name = _COUPON_SEND.COUPON_NAME;
                    couponModel.Coupon_Code = _COUPON_SEND.COUPON_CODE;
                    couponModel.Coupon_Type = _COUPON_SEND.COUPON_TYPE.Value;
                    couponModel.Coupon_Valid_EndTime = _COUPON_SEND.VALID_END_TIME.TryParseToString();
                    couponModel.Coupon_PayMethod = _COUPON_SEND.PAY_METHOD.Value;
                    couponModel.Coupon_UsedAmount = (decimal)_COUPON_SEND.USED_AMOUNT;
                    couponModel.Coupon_Point = (decimal)_COUPON_SEND.COUPON_POINT;
                    couponModel.Coupon_Overlay = _COUPON_SEND.OVERLAY.Value;
                    couponModel.Coupon_State = _COUPON_SEND.COUPON_STATE.Value;
                    couponModel.Coupon_Instructions = _COUPON.COUPON_INSTRUCTIONS;
                    couponModel.Coupon_Desc = _COUPON_SEND.COUPON_DESC;

                    MSPB.MEMBERSHIP _MEMBERSHIP = new MSPB.MEMBERSHIP(_Transaction);
                    _MEMBERSHIP.MEMBERSHIP_ID = _COUPON_SEND.MEMBERSHIP_ID;
                    if (_MEMBERSHIP.Select())
                    {
                        couponModel.Membership_Name = _MEMBERSHIP.MEMBERSHIP_NAME;
                        couponModel.Membership_Mobilephone = _MEMBERSHIP.MEMBERSHIP_MOBILEPHONE;
                    }
                }

                couponModel.CouponShopList = new List<Models.CouponShopModel>();
                string sqlShop = "SELECT SERVERPART_NAME,SHOPNAME FROM COOP_MERCHANT.T_COOPSHOP_RULE_ITEM " +
                    "WHERE COOPSHOP_RULE_ID = " + _COUPON_SEND.COOPSHOP_RULE_ID;
                DataTable dtShop = new COMB.COUPON(_Transaction).ExecuteDataTable(sqlShop);
                foreach (DataRow drShop in dtShop.Rows)
                {
                    Models.CouponShopModel couponShopModel = new Models.CouponShopModel();
                    couponShopModel.Serverpart_Name = drShop["SERVERPART_NAME"].ToString();
                    couponShopModel.Serverpart_ShopName = drShop["SHOPNAME"].ToString();
                    couponModel.CouponShopList.Add(couponShopModel);
                }
            }

            return couponModel;
        }
        #endregion

        #region 方法 -> 商家卡券核销
        /// <summary>
        /// 商家卡券核销
        /// </summary>
        /// <param name="transaction">事务管理器</param>
        /// <param name="membershipId">商家会员内码</param>
        /// <param name="couponSendId">卡券内码</param>
        /// <param name="couponSendCode">卡券编码</param>
        /// <param name="Result_Desc">核销结果说明</param>
        /// <returns></returns>
        public static int WriteOffCoupon(Transaction transaction,
            string membershipId, string couponSendId, string couponSendCode, ref string Result_Desc)
        {
            int ResultCode = 100;

            COMB.COUPON_SEND _COUPON_SEND = new COMB.COUPON_SEND(transaction);
            if (!string.IsNullOrWhiteSpace(couponSendId))
            {
                _COUPON_SEND.COUPON_SEND_ID_Encrypt = couponSendId.ToEncrypt();
                _COUPON_SEND.Select();
            }
            else if (!string.IsNullOrWhiteSpace(couponSendCode))
            {
                if (couponSendCode.Length == 12 || couponSendCode.Length == 13)
                {
                    //加长后的券码是12或者13位，截取前9位作为优惠券码
                    couponSendCode = couponSendCode.Substring(0, 9);
                }
                else if (couponSendCode.Length == 9)
                {
                    //原券码是9位，截取前6位作为优惠券码
                    couponSendCode = couponSendCode.Substring(0, 6);
                }

                _COUPON_SEND.AddSearchParameter("COUPON_CODE", couponSendCode);
                _COUPON_SEND.Search();
            }

            if (_COUPON_SEND != null && _COUPON_SEND.COUPON_ID != null)
            {
                int COUPON_STATE = _COUPON_SEND.COUPON_STATE == null ? 0 : _COUPON_SEND.COUPON_STATE.TryParseToInt();
                switch (COUPON_STATE)
                {
                    case 0:
                        //查询登录会员信息
                        _COUPON_SEND.COUPON_STATE = 1;
                        _COUPON_SEND.USED_DATE = DateTime.Now;

                        MSPB.BUSINESSMAN _BUSINESSMAN = new MSPB.BUSINESSMAN(transaction);
                        _BUSINESSMAN.BUSINESSMAN_ID = membershipId.TryParseToInt();
                        if (_BUSINESSMAN.Select())
                        {
                            _COUPON_SEND.UPDATE_STAFF_ID = _BUSINESSMAN.BUSINESSMAN_ID;
                            _COUPON_SEND.UPDATE_STAFF_NAME = _BUSINESSMAN.BUSINESSMAN_NAME;
                            _COUPON_SEND.Update();

                            ResultCode = 100;
                            Result_Desc = "使用成功!";
                            //推送券核销通知
                            WeChatPushHelper.PushWechatMessage(transaction, _COUPON_SEND);
                        }
                        else
                        {
                            ResultCode = 102;
                            Result_Desc = "请登录后核销!";
                            break;
                        }
                        break;
                    case 1:
                        ResultCode = 101;
                        Result_Desc = "该券已被使用!";
                        break;
                    case 2:
                        ResultCode = 201;
                        Result_Desc = "该券已失效!";
                        break;
                }
            }
            else
            {
                ResultCode = 102;
                Result_Desc = $"券{couponSendId}不存在";
            }

            return ResultCode;
        }
        #endregion
    }
}