<?php

function info_init() {
    // Registering subtypes
    register_entity_type('object', 'infopage');
    register_entity_type('object', 'news');
    // Registering handler to make redirections
    register_page_handler('info', 'info_handler');
    // Register custom permission hook
    register_plugin_hook('permissions_check','object','info_can_edit');
    // Registering custom URL handlers to override getURL
    register_entity_url_handler('page_url', 'object', 'infopage');
    register_entity_url_handler('news_url', 'object', 'news');
    register_plugin_hook('entity:icon:url', 'object', 'info_usericon_hook');
    /*translation:Latest news*/
    add_widget_type('latest_news', elgg_echo("koolielu:widget:latest_news"), 
    /*translation:Displays portal latest news*/
    elgg_echo("koolielu:widget:latest_news:expl"));
    /*translation:My latest news*/
    add_widget_type("my_news_widget", elgg_echo("koolielu:widget:mylatestnews"),
        /*translation:Displays your latest news*/
        elgg_echo("koolielu:widget:mylatestnews:expl"));
    /*translation:Pending news*/
    add_widget_type('pending_news_widget', elgg_echo("koolielu:widget:pendingnews"),
        /*translation:Displays news that need moderating*/
        elgg_echo("koolielu:widget:pendingnews:expl"));
    // register cron hook
    register_plugin_hook('cron', 'daily', 'archive_old_news');
    // add prioval to '9'
    /*
    $news = get_entities("object", "news", 0, "", 999);
    foreach ($news as $no) {
        $no->prioval = '9';
        $no->save();
    }
     */
}

function info_pages() {
    global $CONFIG;
    if (get_context() == "info") {
        /*translation:Pages*/
        add_submenu_item(elgg_echo('koolielu:submenu_item_pages'), $CONFIG->wwwroot . "pg/info/pages");
        /*translation:News*/
        add_submenu_item(elgg_echo('koolielu:submenu_item_news'), $CONFIG->wwwroot . "pg/info/news");
        /*translation:Calendar*/
        add_submenu_item(elgg_echo('koolielu:submenu_item_calendar'), $CONFIG->wwwroot . "pg/info/calendar");
        if (isloggedin()) {
            /*translation:My news*/
            add_submenu_item(elgg_echo('koolielu:submenu_item_my_news'), $CONFIG->wwwroot . "pg/info/mynews");
            /*translation:Add news*/
            add_submenu_item(elgg_echo('koolielu:submenu_item_add_news'), $CONFIG->wwwroot . "pg/info/add_news");
        }
        if (isEditor()) {
            /*translation:Add page*/
            add_submenu_item(elgg_echo('koolielu:submenu_item_add_page'), $CONFIG->wwwroot . "pg/info/add_page");
            /*translation:Unapproved*/
            add_submenu_item(elgg_echo('koolielu:submenu_item_unapproved'), $CONFIG->wwwroot . "pg/info/unapproved");
        }
        /*translation:Archive*/
        add_submenu_item(elgg_echo('koolielu:Archive'), $CONFIG->wwwroot . "pg/info/archive");
    }
}

function info_handler($page) {
    global $CONFIG;
    switch ($page[0]) {
    case "pages":
        include($CONFIG->pluginspath . "info/pages_index.php");
        break;
    case "news":
        set_input('category', $page[1]);
        include($CONFIG->pluginspath . "info/news_index.php");
        break;
    case "calendar":
        include($CONFIG->pluginspath . "info/calendar_index.php");
        break;
    case "unapproved":
        include($CONFIG->pluginspath . "info/unapproved_index.php");
        break;
    case "archive":
        include($CONFIG->pluginspath . "info/archive.php");
        break;
    case "add_page":
        include($CONFIG->pluginspath . "info/add_page.php");
        break;
    case "add_news":
        include($CONFIG->pluginspath . "info/add_news.php");
        break;
    case "review_news":
        include($CONFIG->pluginspath . "info/review_news.php");
        break;
    case "readpage":
        set_input('pageid', $page[1]);
        include($CONFIG->pluginspath . "info/read_page.php");
        break;
    case "readnews":
        set_input('newsid', $page[1]);
        include($CONFIG->pluginspath . "info/read_news.php");
        break;
    case "mynews":
        include($CONFIG->pluginspath . "info/mynews.php");
        break;
    default:
        include($CONFIG->pluginspath . "koolielu/index.php");
        break;
    }
    return true;
}

function page_url($obj) {
    global $CONFIG;
    return $CONFIG->url . "pg/info/readpage/" . $obj->getGUID();
}

function news_url($obj) {
    global $CONFIG;
    return $CONFIG->url . "pg/info/readnews/" . $obj->getGUID();
}

// Permissions hook
// Also makes an override for canEdit call on object
function info_can_edit($hook_name, $entity_type, $return_value, $parameters) {
    $entity = $parameters['entity'];
    $context = get_context();
    // Any Editor or above role should be able to edit
    if ($entity->getSubtype()=="infopage" && isEditor()) {
        return true;
    }
    if ($entity->getSubtype()=="news" && isEditor()) {
        return true;
    }
    return null;
}

function newsViewable($news) {
    $state = $news->approved;
    if ($state == "1") {
        return true;
    }
    if (!isloggedin()) {
        return false;
    }
    $user_guid = get_loggedin_user()->getGUID();
    // Looks like 0 gets to be known as false
    if ((!$state) && (isEditor() || ($news->getOwner() == $user_guid))) {
        return true;
    }
    return false;
}

function info_usericon_hook($hook, $entity_type, $returnvalue, $params) {
    global $CONFIG;

    if ((!$returnvalue) && ($hook == 'entity:icon:url')) {

        $entity = $params['entity'];
        $type = $entity->type;
        $subtype = get_subtype_from_id($entity->subtype);

        if ($type == "object" && $subtype == "infopage") {
            return $CONFIG->wwwroot . "/mod/koolielu/views/default/_graphics/subtype_icon_page.png";
        }
    }
}

function archive_old_news($hook, $entity_type, $returnvalue, $params) {
    // log in as admin or else it's not possible to change entities
    login(get_entity(2));
    $all_news = get_entities_from_metadata_multi(
        array("approved" => "1", "archived" => "0", 'prioval' => '9'),
        "object", "news", "", 99999
    );
    $current_time = time();
    foreach ($all_news as $news) {
        // check is ending date passed
        $news_end = $news->publishing_end;
        $news_created = $news->time_created;
        if ($news_end && (($news_end + 86400) <= $current_time)) {
            $news->archived = 1;
            $news->frontpage = 0;
            $news->save();    
        } else if (!$news_end && (strtotime("+2 month", $news_created) < $current_time)) {
            $news->archived = 1;
            $news->frontpage = 0;
            $news->save();
        }
    }
    logout();   
}

global $CONFIG;
register_elgg_event_handler('init', 'system', 'info_init');
register_elgg_event_handler('pagesetup', 'system', 'info_pages');
// Pages actions
register_action("info/add_page", false, $CONFIG->pluginspath . "info/actions/add_page.php");
register_action("info/edit_page", false, $CONFIG->pluginspath . "info/actions/edit_page.php");
register_action("info/delete_page", false, $CONFIG->pluginspath . "info/actions/delete_page.php");
// News actions
register_action("info/add_news", false, $CONFIG->pluginspath . "info/actions/add_news.php");
register_action("info/edit_news", false, $CONFIG->pluginspath . "info/actions/edit_news.php");
register_action("info/delete_news", false, $CONFIG->pluginspath . "info/actions/delete_news.php");
register_action("info/review_news", false, $CONFIG->pluginspath . "info/actions/review_news.php");
register_action("info/frontpage_news", false, $CONFIG->pluginspath . "info/actions/frontpage_news.php")
?>