<?php
/**
 * Admin
 *
 * @package wp-fail2ban
 * @since   4.0.0
 */
namespace org\lecklider\charles\wordpress\wp_fail2ban;

defined('ABSPATH') or exit;

require_once __DIR__.'/config.php';
require_once __DIR__.'/tools.php';
require_once __DIR__.'/widgets.php';
require_once __DIR__.'/lib/about.php';

/**
 * Helper: Add a new submenu "under" the Freemius "Add-Ons" submenu
 *
 * @since   4.3.0.9     Backport from 4.3.4.0
 *
 * @param   string      $page_title The text to be displayed in the title tags of the page when the menu
 *                                  is selected.
 * @param   string      $capability The capability required for this menu to be displayed to the user.
 * @param   string      $menu_slug  The slug name to refer to this menu by. Should be unique for this menu
 *                                  and only include lowercase alphanumeric, dashes, and underscores characters
 *                                  to be compatible with sanitize_key().
 * @param   callable    $function   The function to be called to output the content for this page.
 * @return  false|string    The resulting page's hook_suffix, or false if the user does not have the capability required.
 */
function add_wpf2b_addon_page($page_title, $capability, $menu_slug, $function)
{
    global $submenu;

    $menu_title = " - $page_title";

    if (!$capability) {
        $capability = (is_multisite())
            ? 'manage_network_options'
            : 'manage_options';
    }

    $parent = (wf_fs()->is_activation_mode()) ? null : 'wp-fail2ban-menu';
    $sub_menu = 'wp-fail2ban-menu-addons';

    if ($hook = add_submenu_page($parent, $page_title, $menu_title, $capability, $menu_slug, $function)) {
        foreach ($submenu as $id => &$menu) {
            if (isset($menu[0]) && $menu[0][2] == 'wp-fail2ban-menu') {
                $new_submenu    = [];
                $menu_item      = array_pop($menu);

                // Find the submenu we're appending to
                for ($i = 0; $i < count($menu) && $sub_menu != $menu[$i][2]; $i++) {
                    $new_submenu[] = $menu[$i];
                }

                if ($i < count($menu)) {
                    $new_submenu[] = $menu[$i++];
                }

                // Find the menu item alphabetically before the new item
                for (; $i < count($menu) && isset($menu[$i][0]) && 0 === strpos($menu[$i][0], ' - ') && 0 > strcmp($menu[$i][0], $menu_title); $i++) {
                    $new_submenu[] = $menu[$i];
                }

                $new_submenu[] = $menu_item;

                for (; $i < count($menu); $i++) {
                    $new_submenu[] = $menu[$i];
                }

                $menu = $new_submenu;

                break;
            }
        }
    }

    return $hook;
}

/**
 * Helper: Security and Settings menu
 *
 * @since 4.3.0
 *
 * @param string    $capability Capability
 *
 * @return void
 */
function _security_settings($capability = 'manage_options')
{
    if (function_exists('\add_security_page')) {
        $hook = add_security_page(
            'WP fail2ban',
            'WP fail2ban',
            plugin_basename(WP_FAIL2BAN_DIR),
            __NAMESPACE__.'\security'
        );
        add_action("load-$hook", function () {
            apply_filters('wp_fail2ban_init_tabs', false);
            TabBase::setDefaultTab('logging');
            TabBase::getActiveTab()->current_screen();
        });
        if (class_exists(__NAMESPACE__.'\premium\WPf2b')) {
            _settings('status', $capability);
        }
    } else {
        _settings(apply_filters(__METHOD__.'.page', 'logging'), $capability);
    }
}

/**
 * Helper: Settings menu
 *
 * @since 4.3.0
 *
 * @param $page         string|null
 * @param $capability   string
 *
 * @return void
 */
function _settings($page = null, $capability = 'manage_options')
{
    do_action('wp_fail2ban_menu_settings::before');
    $hook = add_submenu_page(
        'wp-fail2ban-menu',
        __('Settings', 'wp-fail2ban'),
        __('Settings', 'wp-fail2ban'),
        $capability,
        'wpf2b-settings',
        __NAMESPACE__.'\settings'
    );
    add_action("load-$hook", function () use ($page) {
        apply_filters('wp_fail2ban_init_tabs', false);
        TabBase::setDefaultTab($page);
        TabBase::getActiveTab()->current_screen();
    });
    do_action('wp_fail2ban_menu_settings::after');
}

/**
 * Helper: Remote Tools menu
 *
 * @since 4.3.0
 *
 * @param string    $capability Capability
 *
 * @return void
 */
function _remote_tools($capability = 'manage_options')
{
    do_action('wp_fail2ban_menu_tools::before');
    add_submenu_page(
        'wp-fail2ban-menu',
        __('Tools', 'wp-fail2ban'),
        __(' - Remote Tools (&beta;)', 'wp-fail2ban'),
        $capability,
        'wp-fail2ban-tools',
        __NAMESPACE__.'\remote_tools'
    );
    do_action('wp_fail2ban_menu_tools::after');
}

/**
 * Register admin menus
 *
 * @since 4.0.0
 *
 * @return void
 */
function admin_menu()
{
    if (!is_multisite() && !wf_fs()->can_use_premium_code()) {
        add_menu_page(
            'WP fail2ban',
            'WP fail2ban',
            'manage_options',
            'wp-fail2ban-menu',
            __NAMESPACE__.'\about',
            plugin_dir_url(WP_FAIL2BAN_FILE).'assets/menu.svg'
        );
        add_action('admin_menu', __NAMESPACE__.'\admin_menu_fix', PHP_INT_MAX);
        do_action('wp_fail2ban_menu');

        _security_settings();
        _remote_tools();
    }
}
add_action('admin_menu', __NAMESPACE__.'\admin_menu');

/**
 * Register network admin menus
 *
 * @since 4.3.0
 *
 * @return void
 */
function network_admin_menu()
{
    if (!wf_fs()->can_use_premium_code()) {
        _network_admin_menu();
    }
}
add_action('network_admin_menu', __NAMESPACE__.'\network_admin_menu');

/**
 * Actual network admin menu handler
 *
 * @since 4.3.0
 *
 * @return void
 */
function _network_admin_menu()
{
    add_menu_page(
        'WP fail2ban',
        'WP fail2ban',
        'manage_options',
        'wp-fail2ban-menu',
        __NAMESPACE__.'\about',
        plugin_dir_url(WP_FAIL2BAN_FILE).'assets/menu.svg'
    );
    add_action('network_admin_menu', __NAMESPACE__.'\admin_menu_fix', PHP_INT_MAX);
    do_action('wp_fail2ban_menu');

    _security_settings();
    _remote_tools();
}

/**
 * Fix first submenu name.
 *
 * @since 4.3.0
 *
 * @return void
 */
function admin_menu_fix()
{
    global $submenu;

    if (isset($submenu['wp-fail2ban-menu']) && 'WP fail2ban' == @$submenu['wp-fail2ban-menu'][0][0]) {
        $submenu['wp-fail2ban-menu'][0][0] = __('Welcome', 'wp-fail2ban');
    }
}

/**
 * Add Settings link on Plugins page
 *
 * @since 4.2.0
 *
 * @param string[] $actions     An array of plugin action links. By default this can include 'activate',
 *                              'deactivate', and 'delete'.
 * @param string   $plugin_file Path to the plugin file relative to the plugins directory.
 * @param array    $plugin_data An array of plugin data. See `get_plugin_data()`.
 * @param string   $context     The plugin context. By default this can include 'all', 'active', 'inactive',
 *                              'recently_activated', 'upgrade', 'mustuse', 'dropins', and 'search'.
 *
 * @return string[]
 *
 * @SuppressWarnings(PHPMD.UnusedFormalParameter)
 */
function plugin_action_links($actions, $plugin_file, $plugin_data, $context)
{
    if (preg_match("|$plugin_file\$|", WP_FAIL2BAN_FILE) &&
        (!is_multisite() || is_network_admin()))
    {
        if (function_exists('\add_security_page')) {
            if (wf_fs()->can_use_premium_code()) {
                $page = 'wpf2b-settings';
            } else {
                return $actions;
            }
        } else {
            $page = 'wpf2b-fail2ban-menu';
        }
        $settings = sprintf(
            '<a href="%s?page=wpf2b-settings&tab=about" title="%s">%s</a>',
            network_admin_url('admin.php'),
            __('Settings', 'wp-fail2ban'),
            (function_exists('\add_security_page'))
                ? '<span class="dashicon dashicons-admin-generic"></span>'
                : __('Settings', 'wp-fail2ban')
        );
        // Add Settings at the start
        $actions = array_merge([
            'settings' => $settings
        ], $actions);
    }

    return $actions;
}
add_filter('plugin_action_links', __NAMESPACE__.'\plugin_action_links', 10, 4);
add_filter('network_admin_plugin_action_links', __NAMESPACE__.'\plugin_action_links', 10, 4);

/**
 * Add help tab to Dashboard
 *
 * @since 4.3.0
 *
 * @return void
 */
function admin_head_dashboard()
{
    $content = '';

    if ((!is_multisite() && current_user_can('manage_options')) ||
        (is_network_admin() && current_user_can('manage_network_options')))
    {
        $message = __('Shows the last 5 messages sent to <code>syslog</code> - provides simple status at a glance and can be helpful for debugging.', 'wp-fail2ban');
        if (!wf_fs()->can_use_premium_code()) {
            $message .= sprintf(
                __('The <a href="%s">Premium version</a> provides more advanced views.', 'wp-fail2ban'),
                network_admin_url('admin.php?page=wp-fail2ban-menu-pricing')
            );
        }

        $content = sprintf(
            '<p><strong>%s</strong> &mdash; %s.</p>',
            __('Last 5 Messages', 'wp-fail2ban'),
            $message
        );
    }
    if (!empty($content = apply_filters('wp_fail2ban_dashboard_help', $content))) {
        get_current_screen()->add_help_tab([
            'id'        => 'wp-fail2ban',
            'title'     => 'WP fail2ban',
            'content'   => $content
        ]);
    }
}
add_action('admin_head-index.php', __NAMESPACE__.'\admin_head_dashboard', 9999);