using AttachmentDemo.Model;
using Kingo.Crypto.SM.Core;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace KAttachmentDemo.Helper
{
    public class JymHelper
    {
        public static string GetTempStringA(AttachmentInfo attachmentInfo)
        {
            //A = ZSDM; PSRY; PSFYJ; PSJD; PSHGJ; Longitude; Latitude; PSSJ; FJHXZ采用英文分号拼接后的字符串
            return $"{attachmentInfo.ZSDM};{attachmentInfo.PSRY};{attachmentInfo.PSFYJ};{attachmentInfo.PSJD};{attachmentInfo.PSHGJ};{attachmentInfo.Longitude};{attachmentInfo.Latitude};{attachmentInfo.PSSJ};{attachmentInfo.FJHXZ}";
        }

        /// <summary>
        /// 正式校验码
        /// </summary>
        /// <param name="attachmentInfo"></param>
        /// <returns></returns>
        public static string GetStringA(AttachmentInfo attachmentInfo)
        {
            //            A = FJHXZ,PSSJ,Longitude,Latitude,PSFYJ,PSJD,PSHGJ,PSRY,ZSDM采用英文逗号拼接后的字符串
            //              B = SM3(A)，采用SM3进行哈希值计算（十六进制大写字符串）。
            //C = SM2(B)，采用私钥对哈希值签名生成校验码（十六进制大写字符串）。
            return $"{attachmentInfo.FJHXZ},{attachmentInfo.PSSJ},{attachmentInfo.Longitude},{attachmentInfo.Latitude},{attachmentInfo.PSFYJ},{attachmentInfo.PSJD},{attachmentInfo.PSHGJ},{attachmentInfo.PSRY},{attachmentInfo.ZSDM}";
        }

        /// <summary>
        /// 生成校验码
        /// </summary>
        /// <param name="strA"></param>
        /// <param name="privateKey"></param>
        /// <returns></returns>
        public static string CreateJYM(string strA, string privateKey)
        {
            //A = FJHXZ,PSSJ,Longitude,Latitude,PSFYJ,PSJD,PSHGJ,PSRY,ZSDM采用英文逗号拼接后的字符串
            //B = SM3(A)，采用SM3进行哈希值计算（十六进制大写字符串）。
            //C = SM2(B)，采用私钥对哈希值签名生成校验码（十六进制大写字符串）
            return SM2.Sign(SM3.Hash(strA), privateKey);
        }
    }
}