document.addEventListener('DOMContentLoaded', function () {
    const contactForm = document.getElementById('contactForm');
    if (contactForm) {
        contactForm.addEventListener('submit', function (e) {
            e.preventDefault();

            const name = document.getElementById('name').value;
            const email = document.getElementById('email').value;
            const message = document.getElementById('message').value;
            const submitButton = this.querySelector('button[type="submit"]');
            const originalButtonText = submitButton.innerHTML;

            // Basic validation
            if (!name || !email || !message) {
                showToast('Please fill out all fields.', 'danger');
                return;
            }

            submitButton.innerHTML = '<span class="spinner-border spinner-border-sm" role="status" aria-hidden="true"></span> Sending...';
            submitButton.disabled = true;

            const formData = new FormData(this);

            fetch('contact_handler.php', {
                method: 'POST',
                body: formData
            })
            .then(response => response.json())
            .then(data => {
                if (data.success) {
                    showToast('Thank you! Your message has been sent.', 'success');
                    contactForm.reset();
                } else {
                    showToast(data.error || 'An unknown error occurred.', 'danger');
                }
            })
            .catch(error => {
                showToast('An error occurred while sending the message.', 'danger');
                console.error('Error:', error);
            })
            .finally(() => {
                submitButton.innerHTML = originalButtonText;
                submitButton.disabled = false;
            });
        });
    }
});

function showToast(message, type = 'success') {
    const toastContainer = document.getElementById('toast-container');
    if (!toastContainer) return;

    const toastId = 'toast-' + Date.now();
    const toastHTML = `
        <div id="${toastId}" class="toast align-items-center text-white bg-${type} border-0" role="alert" aria-live="assertive" aria-atomic="true">
            <div class="d-flex">
                <div class="toast-body">
                    ${message}
                </div>
                <button type="button" class="btn-close btn-close-white me-2 m-auto" data-bs-dismiss="toast" aria-label="Close"></button>
            </div>
        </div>
    `;

    toastContainer.insertAdjacentHTML('beforeend', toastHTML);
    
    const toastElement = document.getElementById(toastId);
    const toast = new bootstrap.Toast(toastElement, { delay: 5000 });
    toast.show();

    toastElement.addEventListener('hidden.bs.toast', function () {
        toastElement.remove();
    });
}