<?php

/**
 * @package tikiwiki
 */

// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
//
// All Rights Reserved. See copyright.txt for details and a complete list of authors.
// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
// $Id$

if (basename($_SERVER['SCRIPT_NAME']) === basename(__FILE__)) {
    die('This script may only be included.');
}
require_once('tiki-setup.php');
if ($prefs['feature_theme_control'] == 'y' && empty($_SESSION['try_theme'])) {
    //we arrive here after lib/setup/theme.php has finished, so $prefs['theme'] and $prefs['theme_active_option'] are already set. Here we want to overwrite them according to the theme control setting
    // defined: $cat_type and cat_objid
    // search for theme for $cat_type
    // then search for theme for md5($cat_type.cat_objid)
    global $prefs, $iconset;
    $themelib = TikiLib::lib('theme');
    $themecontrollib = TikiLib::lib('themecontrol');
    $categlib = TikiLib::lib('categ');

    //Step 1: lets see if there is any theme control setting for the current object
    if (! isset($cat_type)) {
        $cat_type = '';
    }
    if (! isset($cat_objid)) {
        $cat_objid = '';
    }

    list($tc_theme, $tc_theme_option) = $themecontrollib->get_tc_theme($cat_type, $cat_objid); //this function returns $tc_theme and $tc_theme_option

    if ($cat_type == 'trackeritem' && empty($tc_theme)) {
        $trackerId = $themecontrollib->table('tiki_tracker_items')->fetchOne('trackerId', ['itemId' => $cat_objid]);
        $themecontrollib->get_tc_theme('tracker', $trackerId);
    }

    //Step 2: if at least tc_theme is not empty, than we have a setting, so continue
    if ($tc_theme) {
        if ($prefs['feature_theme_control_savesession'] == 'y' && ! empty($tc_theme_option)) {
            $_SESSION['tc_theme'] = $tc_theme_option;
        }
        //DROP css files (theme, theme_option and custom.css) added by lib/setup/theme.php that became unnecessary now that we have tc_theme
        $themesetup_path = $themelib->get_theme_path($prefs['theme']);
        $headerlib->drop_cssfile("{$themesetup_path}css/{$prefs['theme']}.css"); //drop main theme css
        $headerlib->drop_cssfile("{$themesetup_path}css/custom.css"); //drop main theme custom css
        if (! empty($prefs['theme_option'])) {
            $themesetup_path = $themelib->get_theme_path($prefs['theme'], $prefs['theme_option']);
            $headerlib->drop_cssfile("{$themesetup_path}css/{$prefs['theme_option']}.css"); //drop option css
            $headerlib->drop_cssfile("{$themesetup_path}css/custom.css"); //drop option custom css
        }

        //ADD new css files (theme, theme_option and custom.css)
        $tc_theme_path = $themelib->get_theme_path($tc_theme);
        $headerlib->add_cssfile("{$tc_theme_path}css/{$tc_theme}.css"); //add main theme css
        if (! empty($tc_theme_option)) { //add theme option css
            $tc_theme_path = $themelib->get_theme_path($tc_theme, $tc_theme_option);
            $headerlib->add_cssfile("{$tc_theme_path}css/{$tc_theme_option}.css");
        }
        if (! empty($tc_theme_option)) { //add main theme custom css in case of theme option
            $tc_main_theme_path = $themelib->get_theme_path($tc_theme);
            $tc_main_custom_css = "{$tc_main_theme_path}css/custom.css";
            if (is_readable($tc_main_custom_css)) {
                $headerlib->add_cssfile($tc_main_custom_css, 53);
            }
        }
        $tc_custom_css = "{$tc_theme_path}css/custom.css"; //add custom css (can be a main theme or theme option)
        if (is_readable($tc_custom_css)) {
            $headerlib->add_cssfile($tc_custom_css, 53);
        }

        //RESET $theme_path global variable
        $theme_path = $tc_theme_path;

        //RESET $iconset according to the new theme
        $iconset = TikiLib::lib('iconset')->getIconsetForTheme($tc_theme, $tc_theme_option);

        //RESET theme prefs
        $prefs['theme'] = $tc_theme;
        $prefs['theme_option'] = $tc_theme_option;
    }
}