// signup.js
(function () {
  // تأكيد التحميل
  if (!window.COGNITO_CONFIG) { console.error("COGNITO_CONFIG missing"); return; }
  if (typeof AmazonCognitoIdentity === "undefined") { console.error("Cognito SDK missing"); return; }

  const { CognitoUserPool, CognitoUserAttribute, CognitoUser } = AmazonCognitoIdentity;

  const form = document.getElementById("signup-form");
  if (!form) return;

  const pool = new CognitoUserPool({
    UserPoolId: COGNITO_CONFIG.userPoolId,
    ClientId:   COGNITO_CONFIG.clientId
  });

  function goToConfirm(email) {
    const isAR  = /_ar\.html$/i.test(location.pathname);
    const page  = isAR ? "/reset_confirm_ar.html" : "/reset_confirm.html";
    const url   = location.origin + page + "?mode=confirm&email=" + encodeURIComponent(email);

    // (اختياري) تشخيص قبل التحويل:
    // console.log("DEBUG redirect →", url);
    // alert("Going to: " + url);

    location.href = url;
  }

  form.addEventListener("submit", function (e) {
    e.preventDefault();

    const name  = document.getElementById("fullName").value.trim();
    const email = document.getElementById("email").value.trim();
    const phone = (document.getElementById("phone")?.value || "").trim(); // اختياري
    const pass  = document.getElementById("password").value;

    const attrs = [
      new CognitoUserAttribute({ Name: "name",  Value: name }),
      new CognitoUserAttribute({ Name: "email", Value: email })
    ];
    if (phone) attrs.push(new CognitoUserAttribute({ Name: "phone_number", Value: phone }));

    pool.signUp(email, pass, attrs, null, function (err) {
      if (err) {
        if (err.code === "UsernameExistsException") {
          // مستخدم موجود لكن غير مؤكَّد: أعد إرسال الكود ووجّه للتأكيد
          const user = new CognitoUser({ Username: email, Pool: pool });
          user.resendConfirmationCode(function (e2) {
            if (e2) alert(e2.message || JSON.stringify(e2));
            goToConfirm(email);
          });
          return;
        }
        alert(err.message || JSON.stringify(err));
        return;
      }
      // نجاح التسجيل → توجه لصفحة إدخال الكود
      goToConfirm(email);
    });
  });
})();