using System;
using System.Collections.Generic;
using System.IO;
using System.Security.Cryptography;
using System.Text;
using System.Threading;
using Common;
using Infrastructure;
using LitJson;
using Microsoft.AspNetCore.Mvc;
using Model;
using Services;

namespace Util
{
    public class HaoDa
    {
        public readonly static HaoDa Instance = new HaoDa();
        private HaoDa()
        { }
        
        #region 好哒

        //测试环境
        string PublicKey = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjMQxp24mjxDTr13uPW0y+tiO1yXFGw7P/pPQ0oZKK7F6KstEaus7pLEywBZ5XRXE5jgkhR2TS7Ne7djJfbpn5yFc6pPlz3ZsOfBVeB88NEwhx6xzCGX2eqSSkO33n8w2G0xc2ss5HpYBarT00NBZWhrwOXpdRPYLOYHKVU3Rl+FA9xDw/wYfoWvrr+JSfHRGn/ENMmQFEdckAbPauKaQMrZD2kz+PRrhq56eWnCuVQPcaz/jroVT8qQEgkg2IsNy+DwfLOIqm8IySEpxnQ5wN/KvsQJc2wXDQNf9F5kvWwjoqSSP0qJS+oPRXET+zJb+WTk2y5M6AYoC9NodwsC4NwIDAQAB";

        //生产环境
        // string PublicKey = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjmjoQirIYZBD9Qon2HkF4j/NAINXtJ7Lzq/WXxTF7t7mg7LNARt0+ZZaeWx8caq2fv5zdsGyyoInL23cBtDI5KmFfK69iA0ygQMK0WbiKqsUB1OpPbT3+9zLuadIJAznjA223lY6CIjTpdLZhaRjImNVqc60bdkx6YsQcA+xW+3r1JH4PPHb7yBEbkKIX8OhyX7U4p0TkbDkAobbjHr5YB9gmYLoSFJMOPfTtSExkv7/Y7IVR9poZAHcr3teFoAiXW3RzxelRtnXxIkl/6AUOKoL5fhr/UTUN+Q18uzNljYWr6SwnTI3EmtzgykaewWtZvV85Xdhe/BjiQ5Xor7YbwIDAQAB";
        
        public bool VerifySign(string toSignStr, string signStr)
        {
            return true;
            byte[] toSignByte = Encoding.Default.GetBytes(toSignStr);
            byte[] signByte = Convert.FromBase64String(signStr);
            var toKey = Convert.FromBase64String(PublicKey);
            var rsaroot = RSA.Create();
            rsaroot.ImportSubjectPublicKeyInfo(toKey, out _);
            var publicKeyParameters = rsaroot.ExportParameters(false);
            using (var rsa = RSA.Create())
            {
                rsa.ImportParameters(publicKeyParameters);
                var sha256 = SHA256.Create();
                var hash = sha256.ComputeHash(toSignByte);
                return rsa.VerifyHash(hash, signByte, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
            }
        }

        // public bool VerifySign(string toSignStr, string signStr)
        // {
        //     byte[] toSignByte = Encoding.Default.GetBytes(toSignStr);
        //     byte[] signByte = Convert.FromBase64String(signStr);
        //     var toKey = Convert.FromBase64String(PublicKey);
        //     var rsaroot = RSA.Create();
        //     rsaroot.ImportRSAPublicKey(toKey, out _);
        //     using (var rsa = RSA.Create())
        //     {
        //         var sha256 = SHA256.Create();
        //         var hash = sha256.ComputeHash(toSignByte);
        //         return rsa.VerifyHash(hash, signByte, HashAlgorithmName.SHA256, RSASignaturePadding.Pkcs1);
        //     }
        // }

        #endregion

    }
}