<?php
namespace Concrete\Core\Application\Service;

use PermissionKey;
use User as ConcreteUser;
use Loader;
use Page;
use Config;
use Session;
use \Concrete\Core\View\ErrorView;
use stdClass;

/**
 * Useful functions for generating elements on the Concrete interface
 * @subpackage Concrete
 * @package Helpers
 * @author Andrew Embler <andrew@concrete5.org>
 * @copyright  Copyright (c) 2003-2008 Concrete5. (http://www.concrete5.org)
 * @license    http://www.concrete5.org/license/     MIT License
 */

class UserInterface
{

    public static $menuItems = array();

    /**
     * Generates a submit button in the Concrete style
     * @param string $text The text of the button
     * @param bool|string $formID The form this button will submit
     * @param string $buttonAlign
     * @param string $innerClass
     * @param array $args Extra args passed to the link
     * @return string
     */
    public function submit($text, $formID = false, $buttonAlign = 'right', $innerClass = null, $args = array())
    {
        if ($buttonAlign == 'right') {
            $innerClass .= ' pull-right';
        } elseif ($buttonAlign == 'left') {
            $innerClass .= ' pull-left';
        }

        if (!$formID) {
            $formID = 'button';
        }
        $argsstr = '';
        foreach($args as $k => $v) {
            $argsstr .= $k . '="' . $v . '" ';
        }
        return '<input type="submit" class="btn ' . $innerClass . '" value="' . $text . '" id="ccm-submit-' . $formID . '" name="ccm-submit-' . $formID . '" ' . $argsstr . ' />';
    }

    /**
     * Generates a simple link button in the Concrete style
     * @param string $text The text of the button
     * @param string $href
     * @param string $buttonAlign
     * @param string $innerClass
     * @param array $args Extra args passed to the link
     * @return string
     */
    public function button($text, $href, $buttonAlign = 'right', $innerClass = null, $args = array())
    {
        if ($buttonAlign == 'right') {
            $innerClass .= ' pull-right';
        } elseif ($buttonAlign == 'left') {
            $innerClass .= ' pull-left';
        }
        $argsstr = '';
        foreach ($args as $k => $v) {
            $argsstr .= $k . '="' . $v . '" ';
        }
        return '<a href="'.$href.'" class="btn btn-default '.$innerClass.'" '.$argsstr.'>'.$text.'</a>';
    }

    /**
     * Generates a JavaScript function button in the Concrete style
     * @param string $text The text of the button
     * @param string $onclick
     * @param string $buttonAlign
     * @param string $innerClass - no longer used
     * @param array $args Extra args passed to the link
     * @return string
     */
    public function buttonJs($text, $onclick, $buttonAlign = 'right', $innerClass = null, $args = array())
    {
        if ($buttonAlign == 'right') {
            $innerClass .= ' pull-right';
        } elseif ($buttonAlign == 'left') {
            $innerClass .= ' pull-left';
        }
        $argsstr = '';
        foreach ($args as $k => $v) {
            $argsstr .= $k . '="' . $v . '" ';
        }
        return '<input type="button" class="btn btn-default ' . $innerClass . '" value="' . $text . '" onclick="' . $onclick . '" ' . $align . ' ' . $argsstr . ' />';
    }

    /**
     * @deprecated
     */
    public function button_js($text, $onclick, $buttonAlign = 'right', $innerClass = null, $args = array())
    {
        return self::buttonJs($text, $onclick, $buttonAlign, $innerClass, $args);
    }

    /**
     * Outputs button text passed as arguments with a special Concrete wrapper for positioning
     * <code>
     *    $bh->buttons($myButton1, $myButton2, $myButton3);
     * </code>
     * @param string $buttons
     * @return string
     */
    public function buttons($buttons = null)
    {
        if (!is_array($buttons)) {
            $buttons = func_get_args();
        }
        $html = '<div class="ccm-buttons well">';
        foreach ($buttons as $_html) {
            $html .= $_html . ' ';
        }
        $html .= '</div>';
        return $html;
    }

    /**
     * @param \Concrete\Core\Page\Page $c
     * @return string
     */
    public function getQuickNavigationLinkHTML($c)
    {
        $cnt = Loader::controller($c);
        if (method_exists($cnt, 'getQuickNavigationLinkHTML')) {
            return $cnt->getQuickNavigationLinkHTML();
        } else {
            return '<a href="' . Loader::helper('navigation')->getLinkToCollection($c) . '">' . $c->getCollectionName() . '</a>';
        }
    }

    /**
     * @return bool
     */
    public function showWhiteLabelMessage()
    {
        return (Config::get('concrete.white_label.logo') || file_exists(DIR_APPLICATION . '/' . DIRNAME_IMAGES . '/logo_menu.png'));
    }

    /**
     * @return string
     */
    public function getToolbarLogoSRC()
    {
        $alt = false;
        $src = false;
        $dimensions = '';
        if (Config::get('concrete.white_label.name')) {
            $alt = Config::get('concrete.white_label.name');
        }
        if (!$alt) {
            $alt = 'concrete5';
        }
        if (Config::get('concrete.white_label.logo')) {
            $src = Config::get('concrete.white_label.logo');
        }
        if (!$src) {
            $filename = 'logo.png';
            if (file_exists(DIR_APPLICATION . '/' . DIRNAME_IMAGES . '/' . $filename)) {
                $src = REL_DIR_APPLICATION . '/' . DIRNAME_IMAGES . '/' . $filename;
                $d = getimagesize(DIR_APPLICATION . '/' . DIRNAME_IMAGES . '/' . $filename);
                $dimensions = $d[3];
            } else {
                $src = ASSETS_URL_IMAGES . '/' . $filename;
                $dimensions = 'width="23" height="23"';
            }
        }
        return '<img id="ccm-logo" src="' . $src . '" ' . $dimensions . ' alt="' . $alt . '" title="' . $alt . '" />';
    }

    /**
     * @return bool
     */
    public function showNewsflowOverlay()
    {
        $tp = new \TaskPermission();
        $c = Page::getCurrentPage();
        if (Config::get('concrete.external.news_overlay') && $tp->canViewNewsflow() && $c->getCollectionPath() != '/dashboard/news') {
            $u = new ConcreteUser;
            $nf = $u->config('NEWSFLOW_LAST_VIEWED');
            if ($nf == 'FIRSTRUN') {
                return false;
            }

            if (Config::get('concrete.maintenance_mode') && !PermissionKey::getByHandle('view_in_maintenance_mode')->validate()) {
                return false;
            }

            if (!$nf) {
                return true;
            }
            if (time() - $nf > NEWSFLOW_VIEWED_THRESHOLD) {
                return true;
            }
        }

        return false;
    }

    public function showHelpOverlay()
    {
        $u = new ConcreteUser;
        $timestamp = $u->config('MAIN_HELP_LAST_VIEWED');
        if (!$timestamp) {
            return true;
        }
    }

    public function trackHelpOverlayDisplayed()
    {
        $u = new ConcreteUser;
        $u->saveConfig('MAIN_HELP_LAST_VIEWED', time());
    }

    /**
     * Clears the Interface Items Cache (clears the session)
     */
    public function clearInterfaceItemsCache()
    {
        $u = new ConcreteUser();
        if ($u->isRegistered()) {
            Session::remove('dashboardMenus');
        }
    }

    /**
     * Cache the interface items
     */
    public function cacheInterfaceItems()
    {
        $u = new ConcreteUser();
        if ($u->isRegistered()) {
            Loader::helper('concrete/dashboard')->getIntelligentSearchMenu();
        }
    }

    /**
     * @param \Concrete\Core\Page\Page[] $tabs
     * @return string
     */
    public function pagetabs($tabs)
    {
        $tcn = rand(0, getrandmax());

        $html = '<ul class="nav-tabs nav" id="ccm-tabs-' . $tcn . '">';
        $c = Page::getCurrentPage();
        foreach ($tabs as $t) {
            if (is_array($t)) {
                $name = $t[1];
                $_c = $t[0];
            } else {
                $_c = $t;
                $name = $t->getCollectionName();
            }

            $href = Loader::helper('navigation')->getLinkToCollection($_c);
            $active = false;
            if (is_object($c) && $c->getCollectionID() == $_c->getCollectionID()) {
                $active = true;
            }
            $html .= '<li class="' . (($active) ? 'active' : ''). '"><a href="' . $href . '">' . $name . '</a></li>';
        }
        $html .= '</ul>';
        return $html;
    }

    /**
     * @param \Concrete\Core\Page\Page[] $tabs
     * @param bool $jstabs
     * @param string $callback
     * @return string
     */
    public function tabs($tabs, $jstabs = true, $callback = 'ccm_activateTabBar')
    {
        $tcn = rand(0, getrandmax());

        $html = '<ul class="nav-tabs nav" id="ccm-tabs-' . $tcn . '">';
        foreach ($tabs as $t) {
            $dt = $t[0];
            $href = '#';
            if (!$jstabs) {
                $dt = '';
                $href = $t[0];
            }
            $html .= '<li class="' . ((isset($t[2]) && $t[2] == true) ? 'active' : ''). '"><a href="' . $href . '" data-tab="' . $dt . '">' . $t[1] . '</a></li>';
        }
        $html .= '</ul>';
        if ($jstabs) {
            $html .= '<script type="text/javascript">$(function() { ' . $callback . '($(\'#ccm-tabs-' . $tcn . '\'));});</script>';
        }
        return $html;
    }

    /**
     * @param string $title
     * @param string $error
     * @param bool|\Exception $exception
     */
    public function renderError($title, $error, $exception = false)
    {
        $o = new stdClass;
        $o->title = $title;
        $o->content = $error;
        if ($exception) {
            $o->content .= $exception->getTraceAsString();
        }

        \Response::closeOutputBuffers(1, false);
        $ve = new ErrorView($o);
        \Response::create($ve->render($o))->send();
    }

    /**
     * @param array $arguments
     * @return string
     */
    public function notify($arguments)
    {
        $defaults = array(
            'type' => 'success',
            'icon' => 'ok',
            'title' => false,
            'message' => false,
            'buttons' => array()
        );

        // overwrite all the defaults with the arguments
        $arguments = array_merge($defaults, $arguments);

        if ($arguments['title']) {
            $messageText = '<h3>' . $arguments['title'] . '</h3>' . $arguments['message'];
        } else {
            $messageText = '<h3>' . $arguments['message'] . '</h3>';
        }

        if (count($arguments['buttons']) > 0) {
            $messageText .= '<div class="ccm-notification-inner-buttons">';
            foreach ($arguments['buttons'] as $button) {
                $messageText .= $button;
            }
            $messageText .= '</div>';
        }

        $content = '<div id="ccm-notification-page-alert" class="ccm-ui ccm-notification ccm-notification-' . $arguments['type'] . '">';
        $content .= '<i class="ccm-notification-icon fa fa-' . $arguments['icon'] . '"></i><div class="ccm-notification-inner">' . $messageText . '</div>';
        $content .= '<div class="ccm-notification-actions"><a href="#" data-dismiss-alert="page-alert">' . t('Hide') . '</a></div></div>';
        return $content;

    }

}
