const textTaoL = document.getElementById('linkItem');
const bttn = document.getElementById('bt');
const linkTaoL = document.getElementById('linkTao');
const emal = document.getElementById('email');
const uploader = document.getElementById('uploader');

var inUnder = document.getElementById('inUnderline')
var emailUnderline = document.getElementById('emailUnderline')


window.onload = function () {
  textTaoL.value = "";
  linkTaoL.value = "";
  emal.value = "";
}


emal.addEventListener("change", function () {
  bttn.disabled = false;
  emailUnderline.textContent = '';

  var emailRe = /\S+@\S+\.\S+/;
  var isValid = emailRe.test(emal.value);

  if (!isValid) {
    emailUnderline.textContent = '*Введите корректный адрес электронной почты.';
    bttn.disabled = true;
  }
  else {
    bttn.disabled = false;
  }
});


const inputs = document.querySelectorAll('.inpt2');
inputs.forEach(input => {
  input.addEventListener("change", function () {
    inUnder.textContent = '';
    if (linkTaoL.value === "" && textTaoL.value === "") {
      inUnder.textContent = '*Введите ссылку или текстовое описание желаемого товара.';
      bttn.disabled = true;
    }
    else {
      bttn.disabled = false;
    }
  })
})


document.getElementById('form').addEventListener("submit", function (event) {
  bttn.disabled = false;


  if (emal.value != '' && (textTaoL.value == '' || linkTaoL.value == '')) {
    event.preventDefault();
    uploader.style.display = "block";

    const ToSend = { 'email': emal.value.toString(), 'link': linkTaoL.value, 'text': textTaoL.value };
    event.preventDefault();
    try {
      const xhr = new XMLHttpRequest();
      xhr.open('POST', '/sendedData', true);
      xhr.setRequestHeader('Content-Type', 'application/json');

      xhr.onload = function () {
        if (xhr.status === 200) {
          const response = JSON.parse(xhr.responseText);
          console.log("Получено спустя 5 секунд:", response.status);
          event.preventDefault();

          const timeoutId = setTimeout(() => {
            window.location.href = "OK";
            window.location.replace = "OK";
          }, 5000);
        }
      };

      console.log("Данные отправлены. Ждем ответа сервера...");
      xhr.send(JSON.stringify(ToSend));
    }
    catch (Error) {
      console.log(Error)
    }
  }


});