using Apimanager_backend.Exceptions;
using System.Net;
using System.Net.Mail;

namespace Apimanager_backend.Services
{
    public class EmailService:IEmailService
    {
        private readonly IConfiguration _configuration;
        public EmailService(IConfiguration configuration)
        {
            _configuration = configuration;
            SmtpHost = _configuration["EmailSettings:Server"];
            Port = int.Parse(_configuration["EmailSettings:Port"]);
            Username = _configuration["EmailSettings:Username"];
            Password = _configuration["EmailSettings:Password"];
            EnableSSL = bool.Parse(_configuration["EmailSettings:Ssl"]);
        }
        private string SmtpHost { get; set; }
        private int Port { get; set; }
        public bool EnableSSL { get; set; }
        private string Username { get; set; }
        private string Password { get; set; }
        public async Task SendEmailAsync(string toEmail,string subject,string body)
        {
            try
            {
                using SmtpClient smtpClient = new SmtpClient(SmtpHost, Port)
                {
                    Credentials = new NetworkCredential(Username, Password),
                    EnableSsl = EnableSSL,   //启用ssl
                    Timeout = 30000
                };
                using var emailMessage = new MailMessage
                {
                    From = new MailAddress(Username),
                    Subject = subject,
                    Body = body,
                    IsBodyHtml = true
                };
                emailMessage.To.Add(toEmail);
                await smtpClient.SendMailAsync(emailMessage);
            }catch(Exception e)
            {
                throw new BaseException(5004,e.Message);
            }
        }
    }
}