/**
 * WC Licensed Product - Version Management
 *
 * @package Jeremias\WcLicensedProduct
 */

(function($) {
    'use strict';

    var WCLicensedProductVersions = {
        init: function() {
            this.bindEvents();
        },

        bindEvents: function() {
            $('#add-version-btn').on('click', this.addVersion);
            $(document).on('click', '.delete-version-btn', this.deleteVersion);
            $(document).on('click', '.toggle-version-btn', this.toggleVersion);
        },

        addVersion: function(e) {
            e.preventDefault();

            var $btn = $(this);
            var $spinner = $btn.siblings('.spinner');
            var productId = $btn.data('product-id');
            var version = $('#new_version').val().trim();
            var downloadUrl = $('#new_download_url').val().trim();
            var releaseNotes = $('#new_release_notes').val().trim();

            // Validate version
            if (!version) {
                alert(wcLicensedProductVersions.strings.versionRequired);
                return;
            }

            if (!/^\d+\.\d+\.\d+$/.test(version)) {
                alert(wcLicensedProductVersions.strings.versionInvalid);
                return;
            }

            $btn.prop('disabled', true);
            $spinner.addClass('is-active');

            $.ajax({
                url: wcLicensedProductVersions.ajaxUrl,
                type: 'POST',
                data: {
                    action: 'wc_licensed_product_add_version',
                    nonce: wcLicensedProductVersions.nonce,
                    product_id: productId,
                    version: version,
                    download_url: downloadUrl,
                    release_notes: releaseNotes
                },
                success: function(response) {
                    if (response.success) {
                        // Remove "no versions" row if present
                        $('#versions-table tbody .no-versions').remove();

                        // Add new row to table
                        $('#versions-table tbody').prepend(response.data.html);

                        // Clear form
                        $('#new_version').val('');
                        $('#new_download_url').val('');
                        $('#new_release_notes').val('');
                    } else {
                        alert(response.data.message || wcLicensedProductVersions.strings.error);
                    }
                },
                error: function() {
                    alert(wcLicensedProductVersions.strings.error);
                },
                complete: function() {
                    $btn.prop('disabled', false);
                    $spinner.removeClass('is-active');
                }
            });
        },

        deleteVersion: function(e) {
            e.preventDefault();

            if (!confirm(wcLicensedProductVersions.strings.confirmDelete)) {
                return;
            }

            var $btn = $(this);
            var $row = $btn.closest('tr');
            var versionId = $btn.data('version-id');

            $btn.prop('disabled', true);

            $.ajax({
                url: wcLicensedProductVersions.ajaxUrl,
                type: 'POST',
                data: {
                    action: 'wc_licensed_product_delete_version',
                    nonce: wcLicensedProductVersions.nonce,
                    version_id: versionId
                },
                success: function(response) {
                    if (response.success) {
                        $row.fadeOut(300, function() {
                            $(this).remove();

                            // Show "no versions" message if table is empty
                            if ($('#versions-table tbody tr').length === 0) {
                                $('#versions-table tbody').append(
                                    '<tr class="no-versions"><td colspan="6">' +
                                    'No versions found. Add your first version above.' +
                                    '</td></tr>'
                                );
                            }
                        });
                    } else {
                        alert(response.data.message || wcLicensedProductVersions.strings.error);
                        $btn.prop('disabled', false);
                    }
                },
                error: function() {
                    alert(wcLicensedProductVersions.strings.error);
                    $btn.prop('disabled', false);
                }
            });
        },

        toggleVersion: function(e) {
            e.preventDefault();

            var $btn = $(this);
            var $row = $btn.closest('tr');
            var versionId = $btn.data('version-id');
            var currentlyActive = $btn.data('active') === 1 || $btn.data('active') === '1';

            $btn.prop('disabled', true);

            $.ajax({
                url: wcLicensedProductVersions.ajaxUrl,
                type: 'POST',
                data: {
                    action: 'wc_licensed_product_toggle_version',
                    nonce: wcLicensedProductVersions.nonce,
                    version_id: versionId,
                    currently_active: currentlyActive ? 1 : 0
                },
                success: function(response) {
                    if (response.success) {
                        var isActive = response.data.isActive;
                        var $status = $row.find('.version-status');

                        // Update status badge
                        $status
                            .removeClass('version-status-active version-status-inactive')
                            .addClass('version-status-' + (isActive ? 'active' : 'inactive'))
                            .text(isActive ? 'Active' : 'Inactive');

                        // Update button
                        $btn
                            .data('active', isActive ? 1 : 0)
                            .text(isActive ? 'Deactivate' : 'Activate');
                    } else {
                        alert(response.data.message || wcLicensedProductVersions.strings.error);
                    }
                },
                error: function() {
                    alert(wcLicensedProductVersions.strings.error);
                },
                complete: function() {
                    $btn.prop('disabled', false);
                }
            });
        }
    };

    $(document).ready(function() {
        WCLicensedProductVersions.init();
    });

})(jQuery);