using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Mail;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Extensions.Configuration;

namespace GB5Shared.OTP
{
    public class EmailOtpSender
    {
        private readonly IConfiguration _config;

        public EmailOtpSender(IConfiguration config)
        {
            _config = config;
        }

        public async Task SendAsync(string email, string otp)
        {
            var smtp = new SmtpClient(
                _config["Smtp:Host"],
                int.Parse(_config["Smtp:Port"]!)
            )
            {
                Credentials = new NetworkCredential(
                    _config["Smtp:User"],
                    _config["Smtp:Password"]
                ),
                EnableSsl = true
            };

            var mail = new MailMessage
            {
                From = new MailAddress(_config["Smtp:User"]!),
                Subject = "Password Reset OTP",
                Body = $"Your OTP is {otp}. It is valid for 5 minutes."
            };

            mail.To.Add(email);
            await smtp.SendMailAsync(mail);
        }
    }
}