<?php

// Exit if accessed directly
if (!defined('ABSPATH')) {
    exit();
}

function xfac_admin_bar_forums_menu($wpAdminBar)
{
    if (is_admin()) {
        // don't add menu in Dashboard
        return;
    }

    $config = xfac_option_getConfig();
    if (empty($config)) {
        // don't add menu for site without configuration
        return;
    }

    $optionTopBarForums = get_option('xfac_top_bar_forums');
    if (!is_array($optionTopBarForums)) {
        $optionTopBarForums = array();
    }

    $meta = xfac_option_getMeta($config);

    if (in_array(0, $optionTopBarForums)) {
        $wpAdminBar->add_menu(array(
            'id' => 'xfac-forums',
            'title' => __('Forums', 'xenforo-api-consumer'),
            'href' => $meta['linkIndex'],
        ));

        foreach ($optionTopBarForums as $forumId) {
            $forum = false;

            if (empty($meta['forums'])) {
                continue;
            }
            foreach ($meta['forums'] as $_forum) {
                if ($_forum['forum_id'] == $forumId) {
                    $forum = $_forum;
                }
            }

            if (empty($forum)) {
                continue;
            }

            $wpAdminBar->add_menu(array(
                'parent' => 'xfac-forums',
                'id' => 'xfac-forum-' . $forum['forum_id'],
                'title' => $forum['forum_title'],
                'href' => $forum['links']['permalink'],
            ));
        }
    }
}

function xfac_admin_bar_jscount_menu($wpAdminBar)
{
    if (is_admin()) {
        // don't add menu in Dashboard
        return;
    }

    $wpUser = wp_get_current_user();
    if (empty($wpUser->ID)) {
        // don't add menu for guests
        return;
    }

    $config = xfac_option_getConfig();
    if (empty($config)) {
        // don't add menu for site without configuration
        return;
    }

    $records = xfac_user_getRecordsByUserId($wpUser->ID);
    if (empty($records)) {
        // don't add menu for not-connected users
        return;
    }
    $record = reset($records);

    $meta = xfac_option_getMeta($config);
    $doNotifications = (!!get_option('xfac_top_bar_notifications') AND !empty($meta['linkAlerts']));
    $doConversations = (!!get_option('xfac_top_bar_conversations') AND !empty($meta['linkConversations']));

    $script = 'window.xfacClientId = ' . json_encode($config['clientId']) . ';';
    $script .= 'window.xfacXenForoUserId = ' . json_encode(intval($record->identifier)) . ';';
    $script .= 'window.xfacDoNotifications = ' . json_encode($doNotifications ? 1 : 0) . ';';
    $script .= 'window.xfacDoConversations = ' . json_encode($doConversations ? 1 : 0) . ';';
    $html = sprintf('<script>%s</script>', $script);

    if ($doNotifications) {
        $notificationsTitle = __('Alerts', 'xenforo-api-consumer');

        if (!isset($_COOKIE['notificationCount'])) {
            $notificationsTitle .= ' <span id="xfacNotificationCount" class="xfacJsCount"></span>';
        } else {
            $notificationsTitle .= call_user_func_array('sprintf', array(
                ' <span id="xfacNotificationCount" class="xfacJsCount updated%s">%d</span>',
                $_COOKIE['notificationCount'] > 0 ? ' unread' : '',
                $_COOKIE['notificationCount'],
            ));
        }

        $wpAdminBar->add_menu(array(
            'id' => 'xfac-notifications',
            'title' => $notificationsTitle,
            'parent' => (!!get_option('xfac_top_bar_replace') ? 'top-secondary' : ''),
            'href' => $meta['linkAlerts'],
            'meta' => array('html' => $html),
        ));

        // reset html
        $html = '';
    }

    if ($doConversations) {
        $conversationTitle = __('Conversations', 'xenforo-api-consumer');

        if (!isset($_COOKIE['conversationCount'])) {
            $conversationTitle .= ' <span id="xfacConversationCount" class="xfacJsCount"></span>';
        } else {
            $conversationTitle .= call_user_func_array('sprintf', array(
                ' <span id="xfacConversationCount" class="xfacJsCount updated%s">%d</span>',
                $_COOKIE['conversationCount'] > 0 ? ' unread' : '',
                $_COOKIE['conversationCount'],
            ));
        }

        $wpAdminBar->add_menu(array(
            'id' => 'xfac-conversations',
            'title' => $conversationTitle,
            'parent' => (!!get_option('xfac_top_bar_replace') ? 'top-secondary' : ''),
            'href' => $meta['linkConversations'],
            'meta' => array('html' => $html),
        ));

        // reset html
        $html = '';
    }
}

function xfac_admin_bar_login_menu($wpAdminBar)
{
    $wpUser = wp_get_current_user();
    if ($wpUser->ID > 0) {
        // don't add menu for users
        return;
    }

    $config = xfac_option_getConfig();
    if (empty($config)) {
        // don't add menu for site without configuration
        return;
    }

    $meta = xfac_option_getMeta($config);

    if (!empty($meta['linkRegister'])) {
        $wpAdminBar->add_menu(array(
            'id' => 'xfac-register',
            'parent' => 'top-secondary',
            'title' => __('Register', 'xenforo-api-consumer'),
            'href' => $meta['linkRegister'],
        ));
    }

    if (!empty($meta['linkLogin'])) {
        $wpAdminBar->add_menu(array(
            'id' => 'xfac-login',
            'parent' => 'top-secondary',
            'title' => __('Log in', 'xenforo-api-consumer'),
            'href' => $meta['linkLogin'],
        ));

        if (!empty($meta['linkLoginLogin'])) {
            $loginFormAction = $meta['linkLoginLogin'];
            $redirect = site_url('wp-login.php?xfac=1');

            ob_start();
            require(xfac_template_locateTemplate('top_bar_login_form.php'));
            $loginForm = ob_get_clean();

            $wpAdminBar->add_menu(array(
                'id' => 'xfac-loginForm',
                'parent' => 'xfac-login',
                'title' => $loginForm,
            ));
        }
    }
}

function xfac_admin_bar_remove_menus($wpAdminBar)
{
    $nodes = $wpAdminBar->get_nodes();
    $nodeIds = array_keys($nodes);

    foreach ($nodeIds as $nodeId) {
        if ($nodes[$nodeId]->group) {
            // keep groups
            continue;
        }
        if (strpos($nodeId, 'xfac-') === 0) {
            // keep ours
            continue;
        } elseif ($nodeId === 'top-secondary' OR $nodeId === 'my-account' OR $nodes[$nodeId]->parent === 'user-actions') {
            // keep user related nodes
            continue;
        } elseif ($nodeId === 'logo') {
            // keep logo
            continue;
        } else {
            // remove others
            $wpAdminBar->remove_node($nodeId);
        }
    }
}

function xfac_add_admin_bar_menus()
{
    $config = xfac_option_getConfig();
    if (empty($config)) {
        // don't add menu for site without configuration
        return;
    }

    add_action('admin_bar_menu', 'xfac_admin_bar_forums_menu', 30);

    if (!!get_option('xfac_top_bar_notifications') OR !!get_option('xfac_top_bar_conversations')) {
        add_action('admin_bar_menu', 'xfac_admin_bar_jscount_menu', !!get_option('xfac_top_bar_replace') ? 0 : 30);
    }

    if (!!get_option('xfac_top_bar_replace')) {
        wp_enqueue_style('xfac-top_bar.css', XFAC_PLUGIN_URL . '/css/top_bar.css');
        add_action('admin_bar_menu', 'xfac_admin_bar_login_menu', 7);

        add_action('admin_bar_menu', 'xfac_admin_bar_remove_menus', PHP_INT_MAX - 1);
    }
}

add_action('add_admin_bar_menus', 'xfac_add_admin_bar_menus');

function xfac_show_admin_bar($showAdminBar)
{
    if (!!get_option('xfac_top_bar_always')) {
        return true;
    }

    return $showAdminBar;
}

add_filter('show_admin_bar', 'xfac_show_admin_bar');

if (!!get_option('xfac_top_bar_notifications') OR !!get_option('xfac_top_bar_conversations')) {
    function xfac_topBar_wp_enqueue_scripts()
    {
        $config = xfac_option_getConfig();
        if (empty($config)) {
            // do nothing
            return;
        }

        $wpUser = wp_get_current_user();
        if ($wpUser->ID > 0) {
            wp_enqueue_script('jquery');
            wp_enqueue_script('xfac-sdk', xfac_api_getSdkJsUrl($config));
            wp_enqueue_script('xfac-script.js', XFAC_PLUGIN_URL . '/js/script.js');
            wp_enqueue_style('xfac-top_bar.css', XFAC_PLUGIN_URL . '/css/top_bar.css');
        }
    }

    add_action('wp_enqueue_scripts', 'xfac_topBar_wp_enqueue_scripts');
}