<?php

use MemberPress\GroundLevel\Mothership\AbstractPluginConnection;
use MemberPress\GroundLevel\Mothership\Credentials;

if (!defined('ABSPATH')) {
    die('You are not allowed to call this page directly.');
}

class MeprOnboardingCtrl extends MeprBaseCtrl
{
    /**
     * Load hooks for the onboarding process.
     *
     * @return void
     */
    public function load_hooks()
    {
        add_filter('submenu_file', 'MeprOnboardingCtrl::highlight_menu_item');
        add_action('admin_enqueue_scripts', 'MeprOnboardingCtrl::admin_enqueue_scripts');
        add_action('admin_notices', 'MeprOnboardingCtrl::remove_all_admin_notices', 0);
        add_action('wp_ajax_mepr_onboarding_save_features', 'MeprOnboardingCtrl::save_features');
        add_action('wp_ajax_mepr_onboarding_save_new_content', 'MeprOnboardingCtrl::save_new_content');
        add_action('wp_ajax_mepr_onboarding_save_new_membership', 'MeprOnboardingCtrl::save_new_membership');
        add_action('wp_ajax_mepr_onboarding_get_membership', 'MeprOnboardingCtrl::get_membership');
        add_action('wp_ajax_mepr_onboarding_search_content', 'MeprOnboardingCtrl::search_content');
        add_action('wp_ajax_mepr_onboarding_set_content', 'MeprOnboardingCtrl::set_content');
        add_action('wp_ajax_mepr_onboarding_unset_content', 'MeprOnboardingCtrl::unset_content');
        add_action('wp_ajax_mepr_onboarding_mark_content_steps_skipped', 'MeprOnboardingCtrl::mark_content_steps_skipped');
        add_action('wp_ajax_mepr_onboarding_mark_steps_complete', 'MeprOnboardingCtrl::mark_steps_complete');
        add_action('wp_ajax_mepr_onboarding_add_stripe_payment_method', 'MeprOnboardingCtrl::add_stripe_payment_method');
        add_action('wp_ajax_mepr_onboarding_add_paypal_payment_method', 'MeprOnboardingCtrl::add_paypal_payment_method');
        add_action('wp_ajax_mepr_onboarding_add_authorize_payment_method', 'MeprOnboardingCtrl::add_authorize_payment_method');
        add_action('wp_ajax_mepr_onboarding_save_authorize_config', 'MeprOnboardingCtrl::save_authorize_config');
        add_action('wp_ajax_mepr_onboarding_add_offline_payment_method', 'MeprOnboardingCtrl::add_offline_payment_method');
        add_action('wp_ajax_mepr_onboarding_remove_payment_method', 'MeprOnboardingCtrl::remove_payment_method');
        add_action('wp_ajax_mepr_onboarding_save_new_rule', 'MeprOnboardingCtrl::save_new_rule');
        add_action('wp_ajax_mepr_onboarding_get_rule', 'MeprOnboardingCtrl::get_rule');
        add_action('wp_ajax_mepr_onboarding_unset_rule', 'MeprOnboardingCtrl::unset_rule');
        add_action('wp_ajax_mepr_onboarding_unset_membership', 'MeprOnboardingCtrl::unset_membership');
        add_action('wp_ajax_mepr_onboarding_install_addons', 'MeprOnboardingCtrl::install_addons');
        add_action('wp_ajax_mepr_onboarding_load_complete_step', 'MeprOnboardingCtrl::load_complete_step');
        add_action('wp_ajax_mepr_onboarding_load_create_new_content', 'MeprOnboardingCtrl::load_create_new_content');
        add_action('wp_ajax_mepr_onboarding_enable_stripe_tax', 'MeprOnboardingCtrl::enable_stripe_tax');
        add_action('wp_ajax_mepr_onboarding_load_finish_step', 'MeprOnboardingCtrl::load_finish_step');
        add_action('wp_ajax_mepr_onboarding_finish', 'MeprOnboardingCtrl::finish');
        add_action('load-memberpress_page_memberpress-onboarding', 'MeprOnboardingCtrl::settings_redirect');
        add_action('admin_notices', 'MeprOnboardingCtrl::admin_notice');

        // Run after LicenseManager::controller() (priority 10) so the license form POST is processed first,
        // then complete_license_step (11) updates the step count and validate_step (12) gates on it.
        add_action('admin_init', 'MeprOnboardingCtrl::complete_license_step', 11);
        add_action('admin_init', 'MeprOnboardingCtrl::validate_step', 12);
    }

    /**
     * Route the onboarding steps.
     *
     * @return void
     */
    public static function route()
    {
        update_option('mepr_onboarded', '1');

        $step = isset($_GET['step']) ? (int) $_GET['step'] : 0;

        if ($step) {
            $steps = [
                [
                    'title'   => __('Activate License', 'memberpress'),
                    'content' => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/license.php',
                    'nav'     => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/nav/license.php',
                    'step'    => 1,
                ],
                [
                    'title'   => __('Enable Features', 'memberpress'),
                    'content' => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/features.php',
                    'nav'     => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/nav/features.php',
                    'step'    => 2,
                ],
                [
                    'title'   => __('Create or Select Content', 'memberpress'),
                    'content' => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/content.php',
                    'nav'     => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/nav/content.php',
                    'step'    => 3,
                ],
                [
                    'title'   => __('Create Membership', 'memberpress'),
                    'content' => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/membership.php',
                    'nav'     => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/nav/membership.php',
                    'step'    => 4,
                ],
                [
                    'title'   => __('Protect Content', 'memberpress'),
                    'content' => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/rules.php',
                    'nav'     => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/nav/rules.php',
                    'step'    => 5,
                ],
                [
                    'title'   => __('Payment Options', 'memberpress'),
                    'content' => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/payments.php',
                    'nav'     => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/nav/payments.php',
                    'step'    => 6,
                ],
                [
                    'title'   => __('Finish Setup', 'memberpress'),
                    'content' => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/finish.php',
                    'nav'     => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/nav/finish.php',
                    'step'    => 7,
                ],
                [
                    'title'   => __('Complete', 'memberpress'),
                    'content' => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/complete.php',
                    'nav'     => MEPR_BRAND_VIEWS_PATH . '/admin/onboarding/nav/complete.php',
                    'step'    => 8,
                ],
            ];

            MeprView::render('/admin/onboarding/wizard', compact('step', 'steps'));
        } else {
            MeprView::render('/admin/onboarding/welcome');
        }
    }

    /**
     * Enqueue scripts and styles for the onboarding page.
     *
     * @return void
     */
    public static function admin_enqueue_scripts()
    {
        if (self::is_onboarding_page()) {
            wp_enqueue_style('memberpress-onboarding', MEPR_BRAND_CSS_URL . '/admin-onboarding.css', [], MEPR_VERSION);
            wp_enqueue_script('memberpress-onboarding', MEPR_BRAND_JS_URL . '/admin_onboarding.js', ['jquery'], MEPR_VERSION, true);
            wp_localize_script('memberpress-onboarding', 'MeprOnboardingL10n', [
                'step'                             => isset($_GET['step']) ? (int) $_GET['step'] : 0,
                'ajax_url'                         => admin_url('admin-ajax.php'),
                'onboarding_url'                   => admin_url('admin.php?page=memberpress-onboarding'),
                'features'                         => self::get_features(),
                'save_features_nonce'              => wp_create_nonce('mepr_onboarding_save_features'),
                'save_new_content_nonce'           => wp_create_nonce('mepr_onboarding_save_new_content'),
                'save_new_rule_nonce'              => wp_create_nonce('mepr_onboarding_save_new_rule'),
                'save_new_membership_nonce'        => wp_create_nonce('mepr_onboarding_save_new_membership'),
                'get_membership_nonce'             => wp_create_nonce('mepr_onboarding_get_membership'),
                'get_rule_nonce'                   => wp_create_nonce('mepr_onboarding_get_rule'),
                'install_license_edition_nonce'    => wp_create_nonce('mepr_install_license_edition'),
                'install_addons'                   => wp_create_nonce('mepr_onboarding_install_addons'),
                'load_complete_step'               => wp_create_nonce('mepr_onboarding_load_complete_step'),
                'load_create_new_content'          => wp_create_nonce('mepr_onboarding_load_create_new_content'),
                'load_finish_step'                 => wp_create_nonce('mepr_onboarding_load_finish_step'),
                'set_content_nonce'                => wp_create_nonce('mepr_onboarding_set_content'),
                'unset_content_nonce'              => wp_create_nonce('mepr_onboarding_unset_content'),
                'unset_rule_nonce'                 => wp_create_nonce('mepr_onboarding_unset_rule'),
                'unset_membership_nonce'           => wp_create_nonce('mepr_onboarding_unset_membership'),
                'mark_content_steps_skipped_nonce' => wp_create_nonce('mepr_onboarding_mark_content_steps_skipped'),
                'mark_steps_complete_nonce'        => wp_create_nonce('mepr_onboarding_mark_steps_complete'),
                'search_content_nonce'             => wp_create_nonce('mepr_onboarding_search_content'),
                'add_payment_method_nonce'         => wp_create_nonce('mepr_add_payment_method'),
                'remove_payment_method_nonce'      => wp_create_nonce('mepr_remove_payment_method'),
                'save_authorize_config_nonce'      => wp_create_nonce('mepr_save_authorize_config'),
                'deactivate_confirm'               => __('Are you sure? MemberPress will not be functional if this License Key is deactivated.', 'memberpress'),
                'an_error_occurred'                => __('An error occurred', 'memberpress'),
                'content_id'                       => MeprOnboardingHelper::get_content_post_id(),
                'membership_id'                    => MeprOnboardingHelper::get_membership_post_id(),
                'membership_rule_id'               => MeprOnboardingHelper::get_rule_post_id(),
                'course_name'                      => __('Course Name', 'memberpress'),
                'page_title'                       => __('Page Title', 'memberpress'),
                'course'                           => __('Course', 'memberpress'),
                'page'                             => __('Page', 'memberpress'),
                'may_take_couple_minutes'          => __('This may take a couple of minutes', 'memberpress'),
                'enable_stripe_tax_nonce'          => wp_create_nonce('mepr_enable_stripe_tax'),
                'finish_nonce'                     => wp_create_nonce('mepr_onboarding_finish'),
                'memberships_url'                  => admin_url('edit.php?post_type=memberpressproduct'),
                'error_installing_addon'           => __('An error occurred when installing an add-on, please download and install the add-ons manually.', 'memberpress'),
                'edition_url_param'                => isset($_GET['edition']) ? sanitize_text_field(wp_unslash($_GET['edition'])) : '',
            ]);
        }
    }

    /**
     * Get the list of features available for onboarding.
     *
     * @return array
     */
    private static function get_features()
    {
        return [
            'memberpress-courses'         => 'MemberPress Courses',
            'memberpress-downloads'       => 'MemberPress Downloads',
            'memberpress-buddypress'      => 'MemberPress BuddyPress',
            'memberpress-developer-tools' => 'MemberPress Developer Tools',
            'memberpress-gifting'         => 'MemberPress Gifting',
            'memberpress-corporate'       => 'MemberPress Corporate Accounts',
            'easy-affiliate'              => 'Easy Affiliate',
            'memberpress-coachkit'        => 'CoachKit™',
            'memberpress-circles'         => 'ClubCircles™',
            'memberpress-directory'       => 'ClubDirectory™',
        ];
    }

    /**
     * Remove all admin notices on the onboarding page.
     *
     * @return void
     */
    public static function remove_all_admin_notices()
    {
        if (self::is_onboarding_page()) {
            remove_all_actions('admin_notices');
        }
    }

    /**
     * Highlight the menu item for the onboarding page.
     *
     * @param  string $submenu_file The submenu file.
     * @return string
     */
    public static function highlight_menu_item($submenu_file)
    {
        remove_submenu_page('memberpress', 'memberpress-onboarding');

        if (self::is_onboarding_page()) {
            $submenu_file = 'edit.php?post_type=memberpressproduct';
        }

        return $submenu_file;
    }

    /**
     * Check if the current page is the onboarding page.
     *
     * @return boolean
     */
    public static function is_onboarding_page()
    {
        $id = MeprUtils::get_current_screen_id();

        return !empty($id) && is_string($id) && preg_match('/_page_memberpress-onboarding$/', $id);
    }

    /**
     * Save selected features during onboarding.
     *
     * @return void
     */
    public static function save_features()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_save_features');

        $valid_features = self::get_features();
        $features       = [];

        foreach ($data as $feature) {
            if (array_key_exists($feature, $valid_features)) {
                $features[] = $feature;
            }
        }

        $data                         = [];
        $data['features']             = $features;
        $data['addons_not_installed'] = [];

        if (!empty($features)) {
            // Let's try to install and activate add-on.
            foreach ($features as $addon_slug) {
                $response = self::maybe_install_activate_addons($addon_slug);
                if (-1 === (int) $response) {
                    $data['addons_not_installed'][] = $addon_slug;
                }
            }
        }

        MeprOnboardingHelper::set_selected_features($data);
        MeprOnboardingHelper::maybe_set_steps_completed(2);

        wp_send_json_success($data);
    }

    /**
     * Install and activate addons if necessary.
     *
     * @param  string $addon_slug The addon slug.
     * @return integer
     */
    public static function maybe_install_activate_addons($addon_slug)
    {
        $return_value = -1;
        $addon        = MeprAddonsCtrl::get_addon($addon_slug);

        if ($addon) {
            $plugin_url = $addon->_embedded->{'version-latest'}->url ?? '';
            $main_file  = $addon->main_file ?? '';
            $installed  = array_key_exists($main_file, get_plugins());
            $active     = is_plugin_active($main_file);

            if ($installed && $active) { // Already installed and active.
                return 1;
            } elseif ($installed && !$active) { // Already installed and inactive.
                if (!empty($main_file)) {
                    self::maybe_install_dependent_plugin($addon_slug);
                    $result = activate_plugins(wp_unslash($main_file));
                    return is_wp_error($result) ? 0 : 1;
                } else {
                    return 0;
                }
            } else {
                return (int) self::download_and_activate_addon($addon_slug, $plugin_url);
            }
        }

        // Check if EA is installed or active.
        if ('easy-affiliate' === $addon_slug) {
            $installed = is_dir(WP_PLUGIN_DIR . '/easy-affiliate');
            $active    = is_plugin_active('easy-affiliate/easy-affiliate.php');

            if ($installed && $active) { // Already installed and active.
                return 1;
            } elseif ($installed && !$active) { // Already installed and inactive.
                $result = activate_plugins('easy-affiliate/easy-affiliate.php');
                return is_wp_error($result) ? 0 : 1;
            } else {
                $license_key = memberpress()->container()->get(Credentials::class)->getLicenseKey();

                if (empty($license_key)) {
                    return 0;
                }

                $domain = defined('MEPR_ONBOARDING_MP_URL') ? MEPR_ONBOARDING_MP_URL : MeprUtils::get_link_url('home');
                $url    = rtrim($domain, '/') . '/wp-admin/admin-ajax.php?action=mepr_onboarding_get_ea_license';

                $response = wp_remote_post($url, [
                    'body' => [
                        'key' => $license_key,
                    ],
                ]);

                $code = wp_remote_retrieve_response_code($response);

                if ($code === 200) {
                    $data = json_decode(wp_remote_retrieve_body($response), true);

                    if (isset($data['success']) && is_bool($data['success'])) {
                        if ($data['success']) {
                            // Install Easy Affiliate.
                            $result = self::download_and_activate_plugin($data['data']['download_url']);

                            if ($result && class_exists('EasyAffiliate\\Lib\\CtrlFactory')) {
                                try {
                                    $ctrl = EasyAffiliate\Lib\CtrlFactory::fetch('UpdateCtrl');
                                    $ctrl->activate_license($data['data']['license_key']);
                                } catch (Exception $e) {
                                    // Ignore.
                                }
                            }

                            return (int) $result;
                        }
                    }
                }
            }
        }

        return $return_value;
    }

    /**
     * Install dependent plugins if necessary.
     *
     * @param  string $addon_slug The addon slug.
     * @return integer
     */
    public static function maybe_install_dependent_plugin($addon_slug)
    {
        if ('memberpress-buddypress' === (string)$addon_slug) {
            $buddypress_plugin    = 'https://downloads.wordpress.org/plugin/buddypress.latest-stable.zip';
            $buddypress_main_file = 'buddypress/bp-loader.php';
            $buddyboss_main_file  = 'buddyboss-platform/bp-loader.php';

            $bboss_installed = is_dir(WP_PLUGIN_DIR . '/' . 'buddyboss-platform');
            $bboss_active    = is_plugin_active($buddyboss_main_file);

            if ($bboss_installed && $bboss_active) {
                return 1;
            }

            // If BuddyBoss is installed but not active, let's activate.
            if ($bboss_installed && !$bboss_active) {
                $result = activate_plugins(wp_unslash($buddyboss_main_file));
                delete_transient('_bp_activation_redirect');
                return $result;
            }

            $bp_installed = is_dir(WP_PLUGIN_DIR . '/' . 'buddypress');
            $bp_active    = is_plugin_active($buddypress_main_file);

            // If BuddyPress is both installed and active, bailout.
            if ($bp_installed && $bp_active) {
                return 1;
            }

            if ($bp_installed && !$bp_active) {
                $result = activate_plugins(wp_unslash($buddypress_main_file));
                delete_transient('_bp_activation_redirect');
                return $result;
            } else {
                $result = (int) self::download_and_activate_plugin($buddypress_plugin);
                delete_transient('_bp_activation_redirect');
                return $result;
            }
        }
    }

    /**
     * Save new content during onboarding.
     *
     * @return void
     */
    public static function save_new_content()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_save_new_content');

        if (empty($data['type']) || empty($data['title']) || !in_array($data['type'], ['course', 'page'], true)) {
            wp_send_json_error(esc_html__('Bad request.', 'memberpress'));
        }

        if (!current_user_can('publish_posts')) {
            wp_send_json_error(esc_html__('Sorry, you don\'t have permission to do this.', 'memberpress'));
        }

        $type  = sanitize_text_field($data['type']);
        $title = sanitize_text_field($data['title']);

        $post_id = wp_insert_post([
            'post_type'   => $type === 'course' ? 'mpcs-course' : 'page',
            'post_title'  => wp_slash($title), // The post_title is expected to be slashed.
            'post_status' => 'publish',
        ], true);

        if (is_wp_error($post_id)) {
            wp_send_json_error($post_id->get_error_message());
        }

        $post = get_post($post_id);

        if (!$post instanceof WP_Post) {
            wp_send_json_error(esc_html__('Post not found.', 'memberpress'));
        }

        MeprOnboardingHelper::set_content_post_id($post_id);
        MeprOnboardingHelper::set_rule_post_id(0);
        MeprOnboardingHelper::maybe_set_steps_completed(2);

        wp_send_json_success([
            'heading'   => $post->post_type === 'mpcs-course' ? esc_html__('Course Name', 'memberpress') : esc_html__('Page Title', 'memberpress'),
            'post'      => $post,
            'rule_data' => MeprOnboardingHelper::get_rules_step_data(),
        ]);
    }

    /**
     * Get HTML for content search results.
     *
     * @param  string $search_query The search query.
     * @return string
     */
    public static function get_content_search_results_html($search_query = '')
    {
        $posts      = [];
        $post_types = ['page'];
        if (MeprUtils::is_addon_active(MeprUtils::ADDON_COURSES)) {
            $post_types = ['mpcs-course', 'page'];
        }
        if ('' === $search_query) {
            $content_id = MeprOnboardingHelper::get_content_post_id();

            $args = [
                'post_type'    => $post_types,
                'post_status'  => 'publish',
                'numberposts'  => 6,
                'post__not_in' => [$content_id],
                'orderby'      => 'modified',
                'order'        => 'DESC',
            ];

            $posts = get_posts($args);

            if ($content_id) {
                $content_post = get_post($content_id);
                $posts[]      = $content_post;
            }
        } else {
            $args = [
                'post_type'   => $post_types,
                'post_status' => 'publish',
                'numberposts' => 6,
                'orderby'     => 'modified',
                'order'       => 'DESC',
                's'           => $search_query,
            ];

            $posts = get_posts($args);
        }

        return MeprView::get_string('/admin/onboarding/content-search-results', compact('posts', 'search_query'));
    }

    /**
     * Search for content during onboarding.
     *
     * @return void
     */
    public static function search_content()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_search_content');

        if (!isset($data['search']) || !is_string($data['search'])) {
            wp_send_json_error(__('Bad request.', 'memberpress'));
        }

        $search = sanitize_text_field($data['search']);

        wp_send_json_success(self::get_content_search_results_html($search));
    }

    /**
     * Mark the license step complete based on the current activation status.
     *
     * @return void
     */
    public static function complete_license_step(): void
    {
        if (!current_user_can('manage_options')) {
            return;
        }

        if (!isset($_GET['page']) || 'memberpress-onboarding' !== sanitize_text_field(wp_unslash($_GET['page']))) {
            return;
        }

        if ('1' === get_option('mepr_onboarding_complete')) {
            return;
        }

        $plugin    = memberpress()->container()->get(AbstractPluginConnection::class);
        $is_active = $plugin->getLicenseActivationStatus();
        $step      = (int) MeprOnboardingHelper::get_steps_completed();

        // License deactivated with progress made: reset so the user is gated back to the license step.
        if (!$is_active && $step > 0) {
            MeprOnboardingHelper::set_steps_completed(0);
            return;
        }

        // License active but the step isn't recorded yet: mark it complete.
        if ($is_active && $step < 1) {
            MeprOnboardingHelper::maybe_set_steps_completed(1);
        }
    }

    /**
     * Validate the current onboarding step.
     *
     * @return void
     */
    public static function validate_step()
    {
        if (!current_user_can('manage_options')) {
            return;
        }

        if (! isset($_GET['page']) || ! isset($_GET['step'])) {
            return;
        }

        $current_step = (int) $_GET['step'];
        if ('memberpress-onboarding' === (string) sanitize_text_field(wp_unslash($_GET['page'])) && 0 < $current_step) {
            if ($current_step === 4) {
                $content_id = MeprOnboardingHelper::get_content_post_id();

                if (0 === (int) $content_id) {
                     wp_safe_redirect(admin_url('admin.php?page=memberpress-onboarding&step=3'));
                     return;
                }
            }

            if ($current_step === 5) {
                $content_id         = MeprOnboardingHelper::get_content_post_id();
                $membership_post_id = MeprOnboardingHelper::get_membership_post_id();

                if (0 === (int) $content_id) {
                    wp_safe_redirect(admin_url('admin.php?page=memberpress-onboarding&step=3'));
                    return;
                }

                if (0 === (int) $membership_post_id) {
                    wp_safe_redirect(admin_url('admin.php?page=memberpress-onboarding&step=4'));
                    return;
                }
            }

            $steps_completed      =  MeprOnboardingHelper::get_steps_completed();
            $next_applicable_step = $steps_completed + 1;

            if ($current_step > $next_applicable_step) {
                $link_step = $steps_completed + 1;
                wp_safe_redirect(admin_url('admin.php?page=memberpress-onboarding&step=' . (int)$link_step));
            }
        }
    }

    /**
     * Download and activate a plugin.
     *
     * @param  string $plugin_url The plugin URL.
     * @return boolean
     */
    private static function download_and_activate_plugin($plugin_url)
    {
        // Prepare variables.
        $url = esc_url_raw(
            add_query_arg(
                [
                    'page'       => 'memberpress-addons',
                    'onboarding' => '1',
                ],
                admin_url('admin.php')
            )
        );

        $creds = request_filesystem_credentials($url, '', false, false, null);

        // Check for file system permissions.
        if (false === $creds) {
            return false;
        }

        if (!WP_Filesystem($creds)) {
            return false;
        }

        // We do not need any extra credentials if we have gotten this far, so let's install the plugin.
        require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

        // Do not allow WordPress to search/download translations, as this will break JS output.
        remove_action('upgrader_process_complete', ['Language_Pack_Upgrader', 'async_upgrade'], 20);

        // Create the plugin upgrader and install the plugin.
        $installer = new Plugin_Upgrader(new WP_Ajax_Upgrader_Skin());
        $plugin    = wp_unslash($plugin_url);
        $installed = $installer->install($plugin);

        if (! $installed || is_wp_error($installed)) {
            return false;
        }

        // Flush the cache and return the newly installed plugin basename.
        wp_cache_flush();

        if ($installer->plugin_info()) {
            $plugin_basename = $installer->plugin_info();

            // Activate the plugin silently.
            $activated = activate_plugin($plugin_basename);

            if (!is_wp_error($activated)) {
                return true;
            } else {
                return false;
            }
        }

        return false;
    }

    /**
     * Download and activate an addon.
     *
     * @param  string $addon_slug The addon slug.
     * @param  string $plugin_url The plugin URL.
     * @return boolean|integer
     */
    private static function download_and_activate_addon($addon_slug, $plugin_url)
    {
        if (empty($plugin_url)) {
            return -1; // Upgrade required.
        }

        // Prepare variables.
        $url = esc_url_raw(
            add_query_arg(
                [
                    'page'       => 'memberpress-addons',
                    'onboarding' => '1',
                ],
                admin_url('admin.php')
            )
        );

        $creds = request_filesystem_credentials($url, '', false, false, null);

        // Check for file system permissions.
        if (false === $creds) {
            return false;
        }

        if (!WP_Filesystem($creds)) {
            return false;
        }

        // We do not need any extra credentials if we have gotten this far, so let's install the plugin.
        require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

        // Do not allow WordPress to search/download translations, as this will break JS output.
        remove_action('upgrader_process_complete', ['Language_Pack_Upgrader', 'async_upgrade'], 20);

        // Create the plugin upgrader and install the add-on.
        $installer = new Plugin_Upgrader(new WP_Ajax_Upgrader_Skin());
        $plugin    = wp_unslash($plugin_url);
        $installed = $installer->install($plugin);

        if (! $installed || is_wp_error($installed)) {
            return false;
        }

        // Flush the cache and return the newly installed plugin basename.
        wp_cache_flush();

        if ($installer->plugin_info()) {
            $plugin_basename = $installer->plugin_info();

            self::maybe_install_dependent_plugin($addon_slug);

            // Activate the plugin silently.
            $activated = activate_plugin($plugin_basename);

            if (!is_wp_error($activated)) {
                return true;
            } else {
                return false;
            }
        }

        return false;
    }

    /**
     * Set the content for onboarding.
     *
     * @return void
     */
    public static function set_content()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_set_content');

        if (!current_user_can('publish_posts')) {
            wp_send_json_error(esc_html__('Sorry, you don\'t have permission to do this.', 'memberpress'));
        }

        if (empty($data['content_id'])) {
            wp_send_json_error(esc_html__('Bad request.', 'memberpress'));
        }

        $content_id = absint($data['content_id']);
        $post       = get_post($content_id);

        if (!$post instanceof WP_Post) {
            wp_send_json_error(esc_html__('Invalid request.', 'memberpress'));
        }

        if (!in_array($post->post_type, ['page','mpcs-course'], true)) {
            wp_send_json_error(esc_html__('Invalid content.', 'memberpress'));
        }

        MeprOnboardingHelper::set_content_post_id($content_id);
        MeprOnboardingHelper::set_rule_post_id(0);
        MeprOnboardingHelper::maybe_set_steps_completed(3);

        wp_send_json_success([
            'rule_data' => MeprOnboardingHelper::get_rules_step_data(),
        ]);
    }

    /**
     * Unset the content for onboarding.
     *
     * @return void
     */
    public static function unset_content()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_unset_content');
        MeprOnboardingHelper::set_content_post_id(0);
        MeprOnboardingHelper::set_rule_post_id(0);
    }

    /**
     * Unset the rule for onboarding.
     *
     * @return void
     */
    public static function unset_rule()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_unset_rule');
        MeprOnboardingHelper::set_rule_post_id(0);
    }

    /**
     * Unset the membership for onboarding.
     *
     * @return void
     */
    public static function unset_membership()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_unset_membership');
        MeprOnboardingHelper::set_membership_post_id(0);
    }

    /**
     * Mark content steps as skipped.
     *
     * @return void
     */
    public static function mark_content_steps_skipped()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_mark_content_steps_skipped');
        MeprOnboardingHelper::mark_content_steps_skipped();
        MeprOnboardingHelper::maybe_set_steps_completed(5);
    }

    /**
     * Mark steps as complete.
     *
     * @return void
     */
    public static function mark_steps_complete()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_mark_steps_complete');
        MeprOnboardingHelper::maybe_set_steps_completed($data['step']);
    }

    /**
     * Save a new membership during onboarding.
     *
     * @return void
     */
    public static function save_new_membership()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_save_new_membership');

        if (empty($data['type']) || empty($data['title']) || !in_array($data['type'], ['onetime', 'months','years'], true)) {
            wp_send_json_error(esc_html__('Bad request.', 'memberpress'));
        }

        if (!current_user_can('publish_posts')) {
            wp_send_json_error(esc_html__('Sorry, you don\'t have permission to do this.', 'memberpress'));
        }

        $type  = sanitize_text_field($data['type']);
        $title = sanitize_text_field($data['title']);
        $price = sanitize_text_field($data['price']);

        $is_recurring =  in_array($type, ['months','years'], true);

        if ($is_recurring && (float) $price <= 0.0) {
            wp_send_json_error(esc_html__('Price must be greater than zero for the Billing.', 'memberpress'));
        }

        $product_period_type = 'lifetime';
        if ($is_recurring) {
            $product_period_type = $type;
        }

        $post_id = wp_insert_post([
            'post_type'   => 'memberpressproduct',
            'post_title'  => wp_slash($title), // The post_title is expected to be slashed.
            'post_status' => 'publish',
        ], true);

        if (is_wp_error($post_id)) {
            wp_send_json_error($post_id->get_error_message());
        }

        $post = get_post($post_id);

        if (!$post instanceof WP_Post) {
            wp_send_json_error(esc_html__('Post not found.', 'memberpress'));
        }

        $product = new MeprProduct($post_id);

        $product->price              = MeprUtils::format_currency_us_float($price);
        $product->pricing_title      = $title;
        $product->period             = 1;
        $product->period_type        = $product_period_type;
        $product->pricing_display    = 'auto';
        $product->tax_class          = 'standard';
        $product->pricing_button_txt = esc_html__('Sign Up', 'memberpress');
        $product->store_meta();

        MeprOnboardingHelper::set_membership_post_id($post_id);
        MeprOnboardingHelper::maybe_set_steps_completed(4);

        wp_send_json_success(MeprOnboardingHelper::prepare_product_data($product));
    }

    /**
     * Get membership details during onboarding.
     *
     * @return void
     */
    public static function get_membership()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_get_membership');

        if (empty($data['membership_id'])) {
            wp_send_json_error(esc_html__('Bad request.', 'memberpress'));
        }

        if (!current_user_can('publish_posts')) {
            wp_send_json_error(esc_html__('Sorry, you don\'t have permission to do this.', 'memberpress'));
        }

        $post_id = sanitize_text_field($data['membership_id']);
        $post    = get_post($post_id);

        if (!$post instanceof WP_Post) {
            wp_send_json_error(esc_html__('Post not found.', 'memberpress'));
        }

        $product = new MeprProduct($post_id);
        wp_send_json_success(MeprOnboardingHelper::prepare_product_data($product));
    }

    /**
     * Add a Stripe payment method during onboarding.
     *
     * @return void
     */
    public static function add_stripe_payment_method()
    {
        MeprUtils::validate_json_request('mepr_add_payment_method');

        $mepr_options = MeprOptions::fetch();
        $gateway      = new MeprStripeGateway();

        if (isset($mepr_options->integrations[$gateway->id])) {
            wp_send_json_error('Gateway already exists');
        }

        $integration = [
            $gateway->id => [
                'id'                    => $gateway->id,
                'saved'                 => '1',
                'label'                 => 'Stripe',
                'gateway'               => 'MeprStripeGateway',
                'use_label'             => true,
                'use_icon'              => true,
                'use_desc'              => true,
                'api_keys'              => [
                    'test' => [
                        'public' => '',
                        'secret' => '',
                    ],
                    'live' => [
                        'public' => '',
                        'secret' => '',
                    ],
                ],
                'connect_status'        => '',
                'service_account_id'    => '',
                'service_account_name'  => '',
                'test_mode'             => false,
                'stripe_wallet_enabled' => 'on',
            ],
        ];

        $mepr_options->integrations = array_merge($mepr_options->integrations, $integration);
        $mepr_options->store(false);

        update_option('mepr_onboarding_payment_gateway', $gateway->id);

        $account_email = get_option('mepr_authenticator_account_email');
        $secret        = get_option('mepr_authenticator_secret_token');
        $site_uuid     = get_option('mepr_authenticator_site_uuid');

        if ($account_email && $secret && $site_uuid) {
            $stripe_connect_url = MeprStripeGateway::get_stripe_connect_url($gateway->id, true);
        } else {
            $stripe_connect_url = MeprAuthenticatorCtrl::get_auth_connect_url(true, $gateway->id, [], admin_url('admin.php?page=memberpress-onboarding&step=6'));
        }

        MeprOnboardingHelper::maybe_set_steps_completed(6);
        wp_send_json_success($stripe_connect_url);
    }

    /**
     * Add a PayPal payment method during onboarding.
     *
     * @return void
     */
    public static function add_paypal_payment_method()
    {
        $data = MeprUtils::get_json_request_data('mepr_add_payment_method');

        $sandbox    = isset($data['sandbox']) && $data['sandbox'];
        $auth_code  = isset($data['auth_code']) ? sanitize_text_field($data['auth_code']) : '';
        $shared_id  = isset($data['shared_id']) ? sanitize_text_field($data['shared_id']) : '';
        $gateway_id = isset($data['gateway_id']) ? sanitize_text_field($data['gateway_id']) : '';

        if (empty($auth_code) || empty($shared_id) || empty($gateway_id)) {
            wp_send_json_error(__('Bad request.', 'memberpress'));
        }

        try {
            update_option('mepr_onboarding_payment_gateway', $gateway_id);

            $ctrl = MeprCtrlFactory::fetch('MeprPayPalConnectCtrl');
            $ctrl->handle_update_creds($sandbox, $auth_code, $shared_id, $gateway_id);

            MeprOnboardingHelper::maybe_set_steps_completed(6);

            wp_send_json_success(MeprOnboardingHelper::get_payment_gateway_html());
        } catch (Exception $e) {
            wp_send_json_error($e->getMessage());
        }
    }

    /**
     * Add an Authorize.net payment method during onboarding.
     *
     * @return void
     */
    public static function add_authorize_payment_method()
    {
        $data = MeprUtils::get_json_request_data('mepr_add_payment_method');

        $mepr_options = MeprOptions::fetch();
        $gateway      = new MeprAuthorizeGateway();

        if (isset($mepr_options->integrations[$gateway->id])) {
            wp_send_json_error('Gateway already exists');
        }

        if (1 === (int) $data['upgrade_required'] && ! MeprOnboardingHelper::is_pro_license() && ! MeprOnboardingHelper::is_scale_license()) {
            update_option('mepr_onboarding_payment_gateway', 'MeprAuthorizeGateway');
            MeprOnboardingHelper::maybe_set_steps_completed(6);
            wp_send_json_success([
                'payment_gateway_html' => MeprOnboardingHelper::get_payment_gateway_html(),
                'webhook_url'          => $gateway->notify_url('whk'),
            ]);
        }

        $integration = [
            $gateway->id => [
                'id'              => $gateway->id,
                'saved'           => '1',
                'label'           => 'Authorize.net',
                'gateway'         => 'MeprAuthorizeGateway',
                'use_label'       => true,
                'use_icon'        => true,
                'use_desc'        => true,
                'login_name'      => '',
                'transaction_key' => '',
                'signature_key'   => '',
            ],
        ];

        $mepr_options->integrations = array_merge($mepr_options->integrations, $integration);
        $mepr_options->store(false);

        update_option('mepr_onboarding_payment_gateway', $gateway->id);
        MeprOnboardingHelper::maybe_set_steps_completed(6);

        wp_send_json_success([
            'payment_gateway_html' => MeprOnboardingHelper::get_payment_gateway_html(),
            'webhook_url'          => $gateway->notify_url('whk'),
        ]);
    }

    /**
     * Add an offline payment method during onboarding.
     *
     * @return void
     */
    public static function add_offline_payment_method()
    {
        MeprUtils::validate_json_request('mepr_add_payment_method');

        $mepr_options = MeprOptions::fetch();

        if (!empty($mepr_options->integrations)) {
            // Bail successfully if we already have a payment method.
            wp_send_json_success();
        }

        // Check if MeprArtificialGateway class exists (not available in Launch edition).
        if (!class_exists('MeprArtificialGateway')) {
            // For editions without offline payment support, just mark step as complete and continue.
            MeprOnboardingHelper::maybe_set_steps_completed(6);
            wp_send_json_success();
        }

        $gateway = new MeprArtificialGateway();

        if (isset($mepr_options->integrations[$gateway->id])) {
            wp_send_json_error('Gateway already exists');
        }

        $integration = [
            $gateway->id => [
                'id'        => $gateway->id,
                'saved'     => '1',
                'label'     => 'Offline Payment',
                'gateway'   => 'MeprArtificialGateway',
                'use_label' => true,
                'use_icon'  => true,
                'use_desc'  => true,
            ],
        ];

        $mepr_options->integrations = array_merge($mepr_options->integrations, $integration);
        $mepr_options->store(false);

        MeprOnboardingHelper::maybe_set_steps_completed(6);

        wp_send_json_success();
    }

    /**
     * Remove a payment method during onboarding.
     *
     * @return void
     */
    public static function remove_payment_method()
    {
        $data = MeprUtils::get_json_request_data('mepr_remove_payment_method');

        $saved_gateway_id = get_option('mepr_onboarding_payment_gateway');
        $gateway_id       = isset($data['gateway_id']) ? sanitize_text_field($data['gateway_id']) : '';

        if ($gateway_id === 'MeprAuthorizeGateway') {
            MeprOnboardingHelper::maybe_set_steps_completed(5);
            delete_option('mepr_onboarding_payment_gateway');
            wp_send_json_success(1);
            return;
        }

        if (empty($gateway_id) || empty($data['gateway_id']) || $gateway_id !== $data['gateway_id']) {
            wp_send_json_error(__('Bad request.', 'memberpress'));
        }

        $mepr_options = MeprOptions::fetch();
        $gateway      = $mepr_options->payment_method($saved_gateway_id);

        if (!$gateway instanceof MeprStripeGateway && !$gateway instanceof MeprPayPalCommerceGateway && !$gateway instanceof MeprAuthorizeGateway) {
            wp_send_json_error(__('Bad request.', 'memberpress'));
        }

        // Don't delete a gateway that has a transaction or subscription.
        $mepr_db            = MeprDb::fetch();
        $transaction_count  = (int) $mepr_db->get_count($mepr_db->transactions, ['gateway' => $gateway_id]);
        $subscription_count = (int) $mepr_db->get_count($mepr_db->subscriptions, ['gateway' => $gateway_id]);

        if ($transaction_count > 0 || $subscription_count > 0) {
            wp_send_json_error(__('Bad request.', 'memberpress'));
        }

        $integrations = $mepr_options->integrations;
        unset($integrations[$gateway_id]);
        $mepr_options->integrations = $integrations;
        $mepr_options->store(false);

        if ($gateway instanceof MeprStripeGateway) {
            try {
                $ctrl = MeprCtrlFactory::fetch('MeprStripConnectCtrl');
                $ctrl->disconnect($gateway->id, 'remote');
            } catch (Exception $e) {
                // Ignore.
            }
        } elseif ($gateway instanceof MeprPayPalCommerceGateway) {
            $jwt = MeprAuthenticatorCtrl::generate_jwt([
                'site_uuid' => get_option('mepr_authenticator_site_uuid'),
            ]);

            $options = [
                'method'  => 'DELETE',
                'headers' => MeprUtils::jwt_header($jwt, MEPR_PAYPAL_SERVICE_DOMAIN),
                'body'    => [
                    'method-id' => $gateway->id,
                ],
            ];

            if (MeprHooks::apply_filters('mepr_onboarding_paypal_sandbox', false)) {
                $endpoint = "/sandbox/credentials/{$gateway->id}";
            } else {
                $endpoint = "/credentials/{$gateway->id}";
            }

            wp_remote_request(MEPR_PAYPAL_SERVICE_URL . $endpoint, $options);
        }

        delete_option('mepr_onboarding_payment_gateway');
        MeprOnboardingHelper::set_steps_completed(5);

        wp_send_json_success();
    }

    /**
     * Save Authorize.net configuration during onboarding.
     *
     * @return void
     */
    public static function save_authorize_config()
    {
        $data = MeprUtils::get_json_request_data('mepr_save_authorize_config');

        $gateway_id = isset($data['gateway_id']) ? sanitize_text_field($data['gateway_id']) : '';

        if (empty($gateway_id)) {
            wp_send_json_error(__('Bad request.', 'memberpress'));
        }

        $mepr_options = MeprOptions::fetch();
        $gateway      = $mepr_options->payment_method($gateway_id);
        $integrations = $mepr_options->integrations;

        if (!$gateway instanceof MeprAuthorizeGateway || !isset($integrations[$gateway->id]) || !is_array($integrations[$gateway->id])) {
            wp_send_json_error(__('Bad request.', 'memberpress'));
        }

        $login_name      = isset($data['login_name']) ? sanitize_text_field($data['login_name']) : '';
        $transaction_key = isset($data['transaction_key']) ? sanitize_text_field($data['transaction_key']) : '';
        $signature_key   = isset($data['signature_key']) ? sanitize_text_field($data['signature_key']) : '';

        $errors = [];

        if (empty($login_name)) {
            $errors[] = 'login-name';
        }

        if (empty($transaction_key)) {
            $errors[] = 'transaction-key';
        }

        if (empty($signature_key)) {
            $errors[] = 'signature-key';
        }

        if (!empty($errors)) {
            wp_send_json_error(['errors' => $errors]);
        }

        $integrations[$gateway->id]['login_name']      = $login_name;
        $integrations[$gateway->id]['transaction_key'] = $transaction_key;
        $integrations[$gateway->id]['signature_key']   = $signature_key;

        $mepr_options->integrations = $integrations;
        $mepr_options->store(false);

        wp_send_json_success(MeprOnboardingHelper::get_payment_gateway_html());
    }

    /**
     * Save a new rule during onboarding.
     *
     * @return void
     */
    public static function save_new_rule()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_save_new_rule');

        if (empty($data['content']) || empty($data['membershipname'])) {
            wp_send_json_error(esc_html__('Bad request.', 'memberpress'));
        }

        if (!current_user_can('publish_posts')) {
            wp_send_json_error(esc_html__('Sorry, you don\'t have permission to do this.', 'memberpress'));
        }

        $rule_data = MeprOnboardingHelper::get_rules_step_data();

        if (empty($rule_data['content_title']) || empty($rule_data['membership_title'])) {
            wp_send_json_error(esc_html__('Bad request.', 'memberpress'));
        }

        $content_id    = $rule_data['content_id'];
        $membership_id = $rule_data['membership_id'];

        $rule_title = sprintf(
            // Translators: %1$s: custom post type name.
            __('A Single %1$s', 'memberpress'),
            $rule_data['content_type']
        ) . ': ' . $rule_data['content_title'];

        $post_id = wp_insert_post([
            'post_type'   => 'memberpressrule',
            'post_title'  => wp_slash($rule_title),
            'post_status' => 'publish',
        ], true);

        if (is_wp_error($post_id)) {
            wp_send_json_error($post_id->get_error_message());
        }

        $post = get_post($post_id);

        if (!$post instanceof WP_Post) {
            wp_send_json_error(esc_html__('Post not found.', 'memberpress'));
        }

        MeprOnboardingHelper::set_rule_post_id($post_id);

        $rule               = new MeprRule($post_id);
        $rule->mepr_type    = sanitize_text_field($rule_data['mepr_type']);
        $rule->mepr_content = sanitize_text_field($rule_data['content_id']);
        $rule->store_meta();

        // Delete rules first then add them back below.
        MeprRuleAccessCondition::delete_all_by_rule($post_id);

        // Let's store the access rules.
        $rule_access_condition                   = new MeprRuleAccessCondition(0);
        $rule_access_condition->rule_id          = $post_id;
        $rule_access_condition->access_type      = 'membership';
        $rule_access_condition->access_operator  = 'is';
        $rule_access_condition->access_condition = $rule_data['membership_id'];
        $rule_access_condition->store();


        MeprOnboardingHelper::maybe_set_steps_completed(5);

        wp_send_json_success([
            'rule_data' => $rule_data,
        ]);
    }

    /**
     * Get rule details during onboarding.
     *
     * @return void
     */
    public static function get_rule()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_get_rule');

        if (empty($data['membership_rule_id'])) {
            wp_send_json_error(esc_html__('Bad request.', 'memberpress'));
        }

        if (!current_user_can('publish_posts')) {
            wp_send_json_error(esc_html__('Sorry, you don\'t have permission to do this.', 'memberpress'));
        }

        $post_id = sanitize_text_field($data['membership_rule_id']);
        $post    = get_post($post_id);

        if (!$post instanceof WP_Post) {
            wp_send_json_error(esc_html__('Post not found.', 'memberpress'));
        }

        wp_send_json_success(MeprOnboardingHelper::get_rules_step_data());
    }

    /**
     * Install addons during onboarding.
     *
     * @return void
     */
    public static function install_addons()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_install_addons');

        if (empty($data['addon_slug'])) {
            wp_send_json_error(__('Bad request.', 'memberpress'));
        }

        if (!current_user_can('publish_posts')) {
            wp_send_json_error(__('Sorry, you don\'t have permission to do this.', 'memberpress'));
        }

        $features_data = MeprOnboardingHelper::get_selected_features_data();
        if (!isset($features_data['addons_installed'])) {
            $features_data['addons_installed'] = [];
        }

        if (!isset($features_data['addons_upgrade_failed'])) {
            $features_data['addons_upgrade_failed'] = [];
        }

        if (!empty($features_data['addons_not_installed'])) {
            if (in_array($data['addon_slug'], $features_data['addons_not_installed'], true)) {
                // Let's try to install and activate add-on.
                foreach ($features_data['addons_not_installed'] as $i => $addon_slug) {
                    if ($addon_slug === $data['addon_slug']) {
                        $response   = self::maybe_install_activate_addons($addon_slug);
                        $next_addon = isset($features_data['addons_not_installed'][$i + 1]) ? $features_data['addons_not_installed'][$i + 1] : '';

                        if (1 === (int) $response) {
                              $features_data['addons_installed'][] = $addon_slug;
                              $features_data['addons_installed']   = array_unique($features_data['addons_installed']);

                              unset($features_data['addons_not_installed'][$i]);

                              MeprOnboardingHelper::set_selected_features($features_data);
                              wp_send_json_success([
                                  'addon_slug' => $addon_slug,
                                  'message'    => '',
                                  'status'     => 1,
                                  'next_addon' => $next_addon,
                              ]);
                        } else {
                            $message = esc_html__('Unable to install. Please download and install manually.', 'memberpress');
                            if (-1 === (int) $response) {
                                $purchase_links = MeprOnboardingHelper::features_addons_purchase_links();

                                $features_data['addons_upgrade_failed'][] = $addon_slug;
                                $features_data['addons_upgrade_failed']   = array_unique($features_data['addons_upgrade_failed']);

                                if (isset($purchase_links[$addon_slug])) {
                                    $message = MeprOnboardingHelper::prepare_purchase_message($purchase_links[$addon_slug]);
                                }
                            }

                            MeprOnboardingHelper::set_selected_features($features_data);
                            wp_send_json_success([
                                'addon_slug' => $addon_slug,
                                'message'    => $message,
                                'status'     => 0,
                                'next_addon' => $next_addon,
                            ]);
                        }
                    }
                }
            }
        }
    }

    /**
     * Load the complete step during onboarding.
     *
     * @return void
     */
    public static function load_complete_step()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_load_complete_step');

        wp_send_json_success(['html' => MeprOnboardingHelper::get_completed_step_urls_html()]);
    }

    /**
     * Load the create new content step during onboarding.
     *
     * @return void
     */
    public static function load_create_new_content()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_load_create_new_content');

        wp_send_json_success(['html' =>  MeprView::get_string('/admin/onboarding/parts/content_popup', get_defined_vars())]);
    }

    /**
     * Enable Stripe tax during onboarding.
     *
     * @return void
     */
    public static function enable_stripe_tax()
    {
        $data = MeprUtils::get_json_request_data('mepr_enable_stripe_tax');

        if (!isset($data['gateway_id']) || !is_string($data['gateway_id'])) {
            wp_send_json_error(__('Bad request.', 'memberpress'));
        }

        $mepr_options = MeprOptions::fetch();
        $pm           = $mepr_options->payment_method(sanitize_text_field($data['gateway_id']));

        if (!$pm instanceof MeprStripeGateway) {
            wp_send_json_error(__('Invalid payment gateway', 'memberpress'));
        }

        try {
            $tax_settings = (object) $pm->send_stripe_request('tax/settings', [], 'get');

            if ($tax_settings->status !== 'active') {
                wp_send_json_error(false);
            }

            update_option('mepr_calculate_taxes', true);
            update_option('mepr_tax_stripe_enabled', true);
            update_option('mepr_tax_calc_location', 'customer');
            update_option('mepr_tax_default_address', 'none');
            update_option('mepr_tax_stripe_payment_method', $pm->id);
            update_option('mepr_stripe_tax_notice_dismissed', true);
            update_option('mepr_tax_avalara_enabled', false);
            update_option('mepr_tax_quaderno_enabled', false);
            update_option('mepr_tax_taxjar_enabled', false);
            delete_option('mepr_tax_stripe_deactivated');

            wp_send_json_success();
        } catch (Exception $e) {
            wp_send_json_error($e->getMessage());
        }
    }

    /**
     * Load the finish step during onboarding.
     *
     * @return void
     */
    public static function load_finish_step()
    {
        $data = MeprUtils::get_json_request_data('mepr_onboarding_load_finish_step');
        wp_send_json_success(['html' =>  MeprView::get_string('/admin/onboarding/parts/finish', get_defined_vars())]);
    }

    /**
     * Complete the onboarding process.
     *
     * @return void
     */
    public static function finish()
    {
        MeprUtils::validate_json_request('mepr_onboarding_finish');

        update_option('mepr_onboarding_complete', '1');

        wp_send_json_success();
    }

    /**
     * Redirect settings during onboarding.
     *
     * @return void
     */
    public static function settings_redirect()
    {
        if (!is_user_logged_in() || wp_doing_ajax() || !is_admin() || is_network_admin() || !MeprUtils::is_mepr_admin() || MeprUtils::is_post_request()) {
            return;
        }

        global $wpdb;

        wp_cache_flush();
        $wpdb->flush();

        $onboarding_complete = get_option('mepr_onboarding_complete');

        if ($onboarding_complete === '1') {
            nocache_headers();
            wp_safe_redirect(admin_url('admin.php?page=memberpress-options'), 307);
            exit;
        }
    }

    /**
     * Display admin notice during onboarding.
     *
     * @return void
     */
    public static function admin_notice()
    {
        if (!MeprUtils::is_memberpress_admin_page() || !MeprUtils::is_logged_in_and_an_admin()) {
            return;
        }

        if (!get_option('mepr_onboarded') || get_option('mepr_onboarding_complete') === '1' || get_transient('mepr_dismiss_notice_continue_onboarding')) {
            return;
        }
        ?>
    <div class="notice notice-info mepr-notice-dismiss-daily is-dismissible" data-notice="continue_onboarding">
      <p>
        <?php
        printf(
            // Translators: %1$s open link tag, %2$s: close link tag.
            esc_html__("Hey, it looks like you started setting up MemberPress but didn't finish, %1\$sclick here to continue%2\$s.", 'memberpress'),
            '<a href="' . esc_url(admin_url('admin.php?page=memberpress-onboarding&step=1')) . '">',
            '</a>'
        );
        ?>
      </p>
    </div>
        <?php
    }
}
