using System.IdentityModel.Tokens.Jwt;
using System.Security.Cryptography;
using Fantasy;
using Fantasy.Async;
using Fantasy.Entitas.Interface;
using Microsoft.IdentityModel.Tokens;

namespace Hotfix;



public  class GateJWTComponentAwakeSystem :  AwakeSystem<GateJWTComponent>
{
    protected override void Awake(GateJWTComponent self)
    {
        RSA rsa = RSA.Create(2048);
        string publicKeyData = self.PublicKey
            .Replace("-----BEGIN PUBLIC KEY-----", "")
            .Replace("-----END PUBLIC KEY-----", "")
            .Replace("\n", "")
            .Trim();
        var publicKeyBytes = Convert.FromBase64String(publicKeyData);
        rsa.ImportSubjectPublicKeyInfo(publicKeyBytes,out _);
        RsaSecurityKey securityKey = new RsaSecurityKey(rsa);
          
        // 创建验证参数
        self.ValidationParameters = new TokenValidationParameters
        {
            ValidateIssuer = false,           // 是否验证发行者
            ValidateAudience = false,         // 是否验证接收者
            ValidateLifetime = true,          // 是否验证过期时间
            ValidateIssuerSigningKey = true,  // 是否验证签名密钥
            IssuerSigningKey = new RsaSecurityKey(rsa)
        };
    }
}
public static class GateJWTComponentSystem 
{
    public static bool ValidateToken(this GateJWTComponent self,string token,out JwtPayload payload )
    {
        
        var tokenHandler = new JwtSecurityTokenHandler();
        payload = null;
        try
        {
            tokenHandler.ValidateToken(token,self.ValidationParameters, out SecurityToken validatedToken);
            Log.Warning($"Gate:Token签名校验成功");
            payload = tokenHandler.ReadJwtToken(token).Payload;
            //return GameErrorCode.GateTokenValidSuccess;
            return true;
        }
        catch (SecurityTokenExpiredException)
        {
            Log.Warning($"Gate:Token已过期");
            return false;
            //return GameErrorCode.GateTokenExpired;
        }
        catch (SecurityTokenInvalidSignatureException)
        {
            Log.Warning($"Gate:Token签名无效");
            return false;
            //return GameErrorCode.GateTokenInvalidSignature;
        }
        catch (Exception e)
        {
            Log.Error($"Gate:Token验证失败: {e.Message}");
            return false;
            //return GameErrorCode.GateTokenGeneralError;
        }
        
    }
}