using IRaCIS.Core.Domain.Interfaces;
using IRaCIS.Core.Domain.Models;
using MailKit.Security;
using MimeKit;
using System;
using System.Threading.Tasks;

namespace IRaCIS.Application.Services
{
    public interface IMailVerificationService
    {
         Task SendMail(Guid userId, string userName, string emailAddress, int verificationCode);
    }

    public class MailVerificationService: IMailVerificationService
    {
        private readonly IVerificationCodeRepository _verificationCodeRepository;
      

        public MailVerificationService(IVerificationCodeRepository verificationCodeRepository)
        {
            _verificationCodeRepository = verificationCodeRepository;
           
        }

        public  async Task SendMail(Guid userId, string userName, string emailAddress, int verificationCode)
        {


            var messageToSend = new MimeMessage();
            //发件地址
            messageToSend.From.Add(new MailboxAddress("GRR", "iracis_grr@163.com"));
            //收件地址
            messageToSend.To.Add(new MailboxAddress(userName, emailAddress));
            //主题
            messageToSend.Subject = "Reset PassWord (Verification Code)";

            messageToSend.Body = new TextPart("plain")
            {
                Text = $@"Hey {userName},您正在通过邮箱重置密码，本次的验证码是:{verificationCode},3分钟内有效，如若不是本人操作，请忽略！

                                                                                                                -- GRR"
            };
            using (var smtp = new MailKit.Net.Smtp.SmtpClient())
            {
                smtp.MessageSent += (sender, args) =>
                {
                    // args.Response 
                    var code = verificationCode.ToString();
                    _verificationCodeRepository.Add(new VerificationCode()
                    {
                        CodeType = 0,
                        HasSend = true,
                        Code = code,
                        UserId = userId,
                        ExpirationTime = DateTime.Now.AddMinutes(3)
                    });
                    _verificationCodeRepository.SaveChanges();

                };

                smtp.ServerCertificateValidationCallback = (s, c, h, e) => true;

                await smtp.ConnectAsync("smtp.163.com", 25, SecureSocketOptions.StartTls);

                await smtp.AuthenticateAsync("iracis_grr@163.com", "XLWVQKZAEKLDWOAH");

                await smtp.SendAsync(messageToSend);

                await smtp.DisconnectAsync(true);

            }
        }
    }
}