let lazyimages = [].slice.call(document.querySelectorAll("img.lazy"));

if ("IntersectionObserver" in window) {
  let observer = new IntersectionObserver((entries, observer) => {
    entries.forEach(function (entry) {
      if (entry.isIntersecting) {
        let lazyimage = entry.target;
        lazyimage.src = lazyimage.dataset.src;
        lazyimage.srcset = lazyimage.dataset.srcset;
        lazyimage.classList.remove("lazy");
        observer.unobserve(lazyimage);
      }
    });
  });

  lazyimages.forEach((lazyimage) => {
    observer.observe(lazyimage);
  });
}

async function trial(formId) {
  try {
    const form = document.getElementById(formId);
    const hiddenInput = document.querySelector('input[name="luid"]');
    const stripe_price_id = document.querySelector('input[name="stripePrice"]');
    const programid = document.querySelector('input[name="programid"]');
    
    const formData = {
      name: form.os2.value + " " + form.os3.value,
      email: form.os0.value,
      password: form.os1.value,
      phone: form.os4.value,
      partner_name: form.os5.value,
      partner_email: form.os6.value,
      stripe_price_id: stripe_price_id.value,
      programid: programid.value,
      luid: hiddenInput.value,
    };

    if (!form.reportValidity()) {
      return; // stop if invalid
    }

    const response = await fetch("/ajax.php?view=trial&ajax=create", {
      method: "POST",
      headers: { "Content-Type": "application/json" },
      body: JSON.stringify(formData),
    });

    if (!response.ok) {
      throw new Error("Network response was not ok");
    }

    const { url } = await response.json();
    window.location.href = url;
  } catch (error) {
    console.error("Error in createFreeTrial:", error);
    throw error;
  }
}

function setPaymentMethod(method, formId) {
  const paymentForm = document.getElementById(formId);
  const email = paymentForm.querySelector('input[name="os0"]').value;

  if (!paymentForm.checkValidity()) {
    paymentForm.reportValidity();
    return;
  }

  fetch("/ajax.php?view=trial&ajax=checkAccess", {
    method: "POST",
    headers: { "Content-Type": "application/x-www-form-urlencoded" },
    body: "email=" + encodeURIComponent(email)
  })
  .then(response => response.json())
  .then(data => {
    if (data.url) {
      window.location.href = data.url;
    } else if (data.goPaypal) {
        if (method === "paypal") {
          paymentForm.action = "https://www.paypal.com/cgi-bin/webscr";
        }
        if (paymentForm.checkValidity()) {
          paymentForm.submit(); // Only submit if the form is valid
        } else {
          paymentForm.reportValidity(); // Show validation errors
        }
    } else {
      alert("Unexpected response. Please try again.");
    }
  })
  .catch(error => {
    console.error("Error:", error);
    alert("Something went wrong. Please try again.");
  });
}


function showLoader(isLoading) {
  if (!isLoading) {
    document.getElementById("full-page-loader").style.display = "none";
  } else {
    document.getElementById("full-page-loader").style.display = "flex";
  }
}