using Microsoft.AspNetCore.WebUtilities;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using PoupaTempoDigital.Data;
using PoupaTempoDigital.Models;
using PoupaTempoDigital.Services;
using RestSharp;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Text.Encodings.Web;
using System.Text.Json;
using System.Threading.Tasks;
//pode ser necessário instalar os 4acima via Packate Manager

namespace PoupaTempoDigital.Areas.Identity.Pages.Account
{
    [AllowAnonymous]
    public class RegisterModel : PageModel
    {
        private readonly SignInManager<AppUser> _signInManager;
        private readonly UserManager<AppUser> _userManager;
        private readonly ILogger<RegisterModel> _logger;
        //_emailSender;
        private readonly IEmailService _emailService;
        private readonly ApplicationDbContext _context;
        private readonly RoleManager<AppRole> _roleManager;
        private readonly IConfiguration _configuration;

        public RegisterModel(
            UserManager<AppUser> userManager,
            SignInManager<AppUser> signInManager,
            ILogger<RegisterModel> logger,
            IEmailService emailService,
            IOptions<EmailConfig> emailConfig,
            ApplicationDbContext context,
           RoleManager<AppRole> roleManager,
            IConfiguration configuration)

        {
            _userManager = userManager;
            _signInManager = signInManager;
            _logger = logger;
            _emailService = emailService;
            _context = context;
            _roleManager = roleManager;
            _configuration = configuration;
        }
          // continua controlador ....

//... 
public async Task OnGetAsync(string returnUrl = null)
        {

            ReturnUrl = returnUrl;
            ExternalLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync()).ToList();

        }
//MODELO DE DADOS
        public class EmailSendgrid
        {
            public string email { get; set; }
            public string first_name { get; set; }

            public string last_name { get; set; }
        }
//...

//o controle tenta criar o usuário
var result = await _userManager.CreateAsync(user, Input.Password);
                if (result.Succeeded)
								//sucesso!!!
                {
                    _logger.LogInformation("O usuário criou uma nova conta com senha.");


//COMEÇO****** COLOCANDO dados no sendgrid
                  
                    var NovoEmail = new EmailSendgrid
                    {
                        email = user.Email,
                        first_name = user.FirstName,
                        last_name = user.LastName
                    };
 //TROQUE PELOS DADOS DE ID DA SUA LISTA, CONFORME DICA NO COMEÇO DO ARTIGO
                    var lista_ID = "e8b61063-6f33-4963-b8fc-331723f2322D3";

                    string jsonString = "{" + ""list_ids":" + " ["" + lista_ID + ""]," + ""contacts":" + "[" + JsonSerializer.Serialize(NovoEmail) + "]}";
//PEGA A SEDRET KEY DA SUA API SEND GRID (QUE ESTA ARMAZENADA NO ARQUIVO APPSETTING.JSON)
                    var API = _configuration.GetSection("Sendgrid").GetSection("ApiKey").Value;
                    var json = JsonSerializer.Deserialize<Object>(jsonString);
                    jsonString = json.ToString();
                    var client = new RestClient("https://api.sendgrid.com/v3/marketing/contacts");
                    var requisicao = new RestRequest(Method.PUT);
                    requisicao.AddHeader("content-type", "application/json");
                    requisicao.AddHeader("authorization", "Bearer " + API);
                    //requisicao.AddHeader("on-behalf-of", "");
                    requisicao.AddParameter("application/json", jsonString, ParameterType.RequestBody);
                    IRestResponse response = client.Execute(requisicao);
//******fim

                    //cria papéis se ainda não existem
                    //admin
                    if (!await _roleManager.RoleExistsAsync(Papeis.AdminEndUser))
                    {
                        await _roleManager.CreateAsync(new AppRole(Papeis.AdminEndUser));
                    }
                    //cliente
                    if (!await _roleManager.RoleExistsAsync(Papeis.ClienteEndUser))
                    {
                        await _roleManager.CreateAsync(new AppRole(Papeis.ClienteEndUser));
                    }
                    //colaborador
                    if (!await _roleManager.RoleExistsAsync(Papeis.ColaboradorEndUser))
                    {
                        await _roleManager.CreateAsync(new AppRole(Papeis.ColaboradorEndUser));
                    }
                   
                      
                      
                      //cria papel padrao para cada novo inscrito = Cliente
                    await _userManager.AddToRoleAsync(user, Papeis.ClienteEndUser);
                    var code = await _userManager.GenerateEmailConfirmationTokenAsync(user);
                    code = WebEncoders.Base64UrlEncode(Encoding.UTF8.GetBytes(code));
                    var callbackUrl = Url.Page(
                        "/Account/ConfirmEmail",
                        pageHandler: null,
                        values: new { area = "Identity", userId = user.Id, code = code, returnUrl = returnUrl },
                        protocol: Request.Scheme);
//ENVIA EMAILS SE NECESSARIO (ISSO PODE ESTAR NA SUA CAMPANHA, MANDANDO E-MAILS BONITOS E RESPONSIVOS)
                    await _emailService.SendEmailAsync(Input.Email, "Confirme seu e-mail no Poupatempo Digital",
                        $"<h4><b>Por favor confime sua conta</b> <a href='{HtmlEncoder.Default.Encode(callbackUrl)}'>clicando aqui.</a>.</h4><h5> Obrigado. Confirmando sua conta, você já terá acesso à sua <b>Agenda Inteligente</b> de Tarefas. Você vai curtir!<h5>", "Html");

                    var mensagem = "O usuário " + Input.FirstName + " " + Input.LastName + "e-mail: " + Input.Email + "Telefone: " + Input.PhoneNumber + " acabou de abrir conta no Poupatempo Digital";
                    var assunto = "o usuário " + Input.FirstName + " " + Input.LastName + " acabou de entrar no Poupatempo Digital";
                    var destino = "xxxxx@clickstobricks.com";
                    await _emailService.SendEmailAsync(destino, assunto, mensagem, "Text");

                    if (_userManager.Options.SignIn.RequireConfirmedAccount)
                    {
                        return RedirectToPage("RegisterConfirmation", new { email = Input.Email, returnUrl = returnUrl });
                    }
                    else
                    {
                        await _signInManager.SignInAsync(user, isPersistent: false);
                        return LocalRedirect(returnUrl);
                    }
                }
                foreach (var error in result.Errors)
                {
                    ModelState.AddModelError(string.Empty, error.Description);
                }
            }

{
  "Email": {
    "FromName": "Site Poupatempo Digital",
    "FromAddress": "atendimento@poupatempodigital.com.br",
    "LocalDomain": "poupatempodigital.com.br",
    "MailServerAddress": "mail.poupatempodigital.com.br",
    "MailServerPort": "25", //SMTP Port:  25 "or" 8889:,
    "UserId": "atendimento@poupatempodigital.com.br",
    "UserPassword": "xxxxxxxxxxxxxxxxxxxxxxxx"
  },
  "Sendgrid": {
    "ApiKey": "xptodfde7WI5ZzpMinesA.blm98jwSobPj1enFAd2a7kQQrAYULi0-csraFJ0NzRs" //poupatempo digital 09/01 full access
  },
  "Twilio": {
    "accountSid": "ACewrewrwere1b43d312b7601",
    "authToken": "1710ewerewrewrw6c0f589b968cfc5",
    "whatsAppFrom": "whatsapp:+14155238886" //número de saída Twilio
  },
  "reCaptcha": {
    "chaveDeSite": "6Le0jCQaAAAAAHMSbanWiWoZrewrewrewGB4FWZET",
    "chaveSecreta": "6Le0jCQaAAAAAPSNwZeRYywrewrwerwe8wSUSj"
  },
  "ConnectionStrings": {
    "DefaultConnection": "Data Source=SQL.site.net;Initial Catalog=DB_A2A240;User Id=DB_user;Password=password;;Connect Timeout=20000;"
  },
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft": "Warning",
      "Microsoft.Hosting.Lifetime": "Information"
    }
  },
  "AllowedHosts": "*"
}