/**
 * WP FediStream - Admin Scripts
 *
 * @package WP_FediStream
 */

(function($) {
    'use strict';

    $(document).ready(function() {
        // License validation functionality
        initLicenseValidation();
    });

    /**
     * Initialize license validation AJAX handlers.
     */
    function initLicenseValidation() {
        var $validateBtn = $('#fedistream-validate-license');
        var $activateBtn = $('#fedistream-activate-license');
        var $spinner = $('#fedistream-license-spinner');
        var $message = $('#fedistream-license-message');

        if (!$validateBtn.length) {
            return;
        }

        // Validate license button
        $validateBtn.on('click', function(e) {
            e.preventDefault();
            performLicenseAction('fedistream_validate_license', 'Validating...');
        });

        // Activate license button
        $activateBtn.on('click', function(e) {
            e.preventDefault();
            performLicenseAction('fedistream_activate_license', 'Activating...');
        });

        /**
         * Perform license AJAX action.
         *
         * @param {string} action AJAX action name.
         * @param {string} loadingText Loading button text.
         */
        function performLicenseAction(action, loadingText) {
            var originalText = $validateBtn.text();

            // Show loading state
            $spinner.addClass('is-active');
            $validateBtn.prop('disabled', true);
            $activateBtn.prop('disabled', true);
            $message.hide();

            $.ajax({
                url: ajaxurl,
                type: 'POST',
                data: {
                    action: action,
                    nonce: fedistreamLicenseNonce
                },
                success: function(response) {
                    $spinner.removeClass('is-active');
                    $validateBtn.prop('disabled', false);
                    $activateBtn.prop('disabled', false);

                    if (response.success) {
                        showMessage('success', response.data.message);
                        // Reload page to show updated status
                        setTimeout(function() {
                            window.location.reload();
                        }, 1500);
                    } else {
                        showMessage('error', response.data.message || 'An error occurred.');
                    }
                },
                error: function(xhr, status, error) {
                    $spinner.removeClass('is-active');
                    $validateBtn.prop('disabled', false);
                    $activateBtn.prop('disabled', false);
                    showMessage('error', 'Request failed. Please try again.');
                }
            });
        }

        /**
         * Show a message to the user.
         *
         * @param {string} type Message type: 'success', 'error', 'warning', 'info'.
         * @param {string} text Message text.
         */
        function showMessage(type, text) {
            var classMap = {
                'success': 'notice-success',
                'error': 'notice-error',
                'warning': 'notice-warning',
                'info': 'notice-info'
            };

            var noticeClass = classMap[type] || 'notice-info';

            $message
                .removeClass('notice-success notice-error notice-warning notice-info')
                .addClass('notice ' + noticeClass)
                .html('<p>' + escapeHtml(text) + '</p>')
                .show();
        }

        /**
         * Escape HTML entities.
         *
         * @param {string} text Text to escape.
         * @return {string} Escaped text.
         */
        function escapeHtml(text) {
            var div = document.createElement('div');
            div.textContent = text;
            return div.innerHTML;
        }
    }

})(jQuery);