using System.Security.Cryptography;
using System.Text;
using Hotline.Application.Identity;
using Hotline.Caching.Interfaces;
using Hotline.Settings;
using Hotline.Share.Dtos.Identity;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using XC.RSAUtil;
using XF.Domain.Constants;
using XF.Domain.Exceptions;

namespace Hotline.Api.Controllers;

public class IdentityController : BaseController
{
    private readonly IIdentityAppService _identityAppService;
    private readonly ISystemSettingCacheManager _systemSettingCacheManager;
    private const string PublicKey = @"-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAgw+/x6IQPkH0A4eoF63j
kLThsOXWyNBdcL9LATGy/G1yTHOr1RyKJB//iNug+V8DIoIHuFTlhgLHDbSqxvRW
MONxIIF289riS6bDI4Ox/pFmOfmElFRk0lKGihaTE2Aefd6g/N+RfLLaHWztY+/v
oVeDTiOIw9y3tokIxjKwuJ/mQ66MkKh78AqQjjSD/3jcBP8ZhMyCJOK9XQcqvhD6
WBFWkxlAqKOWggDU7YohfrbNkg3bd0oGE6zCE2EHhkcQbzGCh3lu1zf4TfKMXD+P
Prr5JWDNYQTXFQklqgae+Puge7xxZGYRoi5YpIUnkQGm6zpPxhIOdxlz+Yb5geSJ
UQIDAQAB
-----END PUBLIC KEY-----";
    private const string PrivateKey = @"-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----";

    public IdentityController(IIdentityAppService identityAppService, ISystemSettingCacheManager systemSettingCacheManager)
    {
        _identityAppService = identityAppService;
        _systemSettingCacheManager = systemSettingCacheManager;
    }

    /// <summary>
    /// 登录
    /// </summary>
    /// <param name="dto"></param>
    /// <returns></returns>
    [AllowAnonymous]
    [HttpPost("login")]
    public async Task<string> Login([FromBody] LoginDto dto)
    {
        dto = Decrypt(dto);
        return await _identityAppService.LoginAsync(dto, HttpContext.RequestAborted);
    }

    [AllowAnonymous]
    [ApiExplorerSettings(IgnoreApi = true)]
    [HttpPost("token")]
    public async Task<string> LoginWithoutCrypt([FromBody] LoginDto dto)
    {
        return await _identityAppService.LoginAsync(dto, HttpContext.RequestAborted);
    }

    /// <summary>
    /// 登录页系统配置
    /// </summary>
    /// <returns></returns>
    [AllowAnonymous]
    [HttpGet("login-page-info")]
    public async Task<LoginPageInfoDto> LoginPageInfo()
    {
        var SysName = _systemSettingCacheManager.GetSetting(SettingConstants.SysName).SettingValue;
        var LoginImage = _systemSettingCacheManager.GetSetting(SettingConstants.LoginImage).SettingValue;

        return new LoginPageInfoDto() { SysName = SysName, LoginImage = LoginImage };
    }

    private LoginDto Decrypt(LoginDto dto)
    {
        if (string.IsNullOrEmpty(dto.Username) || string.IsNullOrEmpty(dto.Password))
            throw UserFriendlyException.SameMessage("非法参数");

        var pkcs1 = new RsaPkcs1Util(Encoding.UTF8, PublicKey, PrivateKey);
        try
        {
            var uname = pkcs1.Decrypt(dto.Username, RSAEncryptionPadding.Pkcs1);
            var pwd = pkcs1.Decrypt(dto.Password, RSAEncryptionPadding.Pkcs1);
            return new LoginDto { Username = uname, Password = pwd };
        }
        catch (Exception e)
        {
            throw new UserFriendlyException($"解密失败：{e.Message}", "无效参数");
        }
    }
}