<?php

require_once("Waramu.php");
require_once("api.php");
function waramu_init() {
    global $CONFIG;
    extend_view('css', 'waramu/waramu_css');
    extend_view('profile/menu/links', 'waramu/menu_links');
    register_page_handler('waramu', 'waramu_handler');
    register_entity_type('object', 'waramuresource');
    register_entity_type('object', 'collection');
    register_entity_url_handler('waramuresource_url', 'object', 'waramuresource');
    register_entity_url_handler('collection_url', 'object', 'collection');
    /*translation:Latest resources*/
    add_widget_type('resources_widget', elgg_echo("koolielu:widget:latest_resources"), 
        /*translation:Displays portal latest resources*/
        elgg_echo("koolielu:widget:latest_resources:expl"));
    /*translation:Collections widget*/
    add_widget_type('collections_widget', elgg_echo("koolielu:widget:mycollections"), 
        /*translation:Displays your latest collections*/
    elgg_echo("koolielu:widget:mycollections:expl"));
    /*translation:Favorites widget*/
    add_widget_type("favorites_widget", elgg_echo("koolielu:widget:myfavorites"),
        /*translation:Displays your latest favorites*/
        elgg_echo("koolielu:widget:myfavorites:expl"));
    /*translation:My latest resources*/
    add_widget_type('my_resources_widget', elgg_echo("koolielu:widget:mylatest"),
        /*translation:Displays your latest resources*/
        elgg_echo("koolielu:widget:mylatest:expl"));
    /*translation:Pending resources*/
    add_widget_type('pending_resources_widget', elgg_echo("koolielu:widget:pendingresources"),
        /*translation:Displays resources that need moderating*/
        elgg_echo("koolielu:widget:pendingresources:expl"));
    if (isloggedin()) {
        /*translation:Collections*/
        add_menu(elgg_echo('koolielu:Collections'), $CONFIG->wwwroot . "pg/waramu/collections/" . $_SESSION['user']->username);
    }
    // Register cron hooks
    //register_plugin_hook('cron', 'fifteenmin', 'collection_tags_update_cron');
    register_plugin_hook('cron', 'daily', 'materials_moderation_message_cron');

    register_action("waramu/upload_subject_logo", false, $CONFIG->pluginspath . "waramu/actions/upload_subject_logo.php");
}

function waramuresource_url($dt) {
    global $CONFIG;
    return $CONFIG->url . "pg/waramu/view/" . $dt->waramuID;
}

function collection_url($entity) {
    global $CONFIG;
    return $CONFIG->url . "pg/waramu/view_collection/" . $entity->getGUID();
}

function waramu_handler($page) {
    global $CONFIG;
    switch ($page[0]) {
    case "oldnew":
        include($CONFIG->pluginspath . "waramu/newresource.php");
        break;
    case "new2":
        include($CONFIG->pluginspath . "waramu/upload/newresource2.php");
        break;
    case "upload_form":
        include($CONFIG->pluginspath . "waramu/upload/upload_form.php");
        break;
    case "browse":
        include($CONFIG->pluginspath . "waramu/search2.php");
        break;
    case "browse2":
        include($CONFIG->pluginspath . "waramu/search2.php");
        break;
    case "search":
        include($CONFIG->pluginspath . "waramu/search2.php");
        break;
    case "search2":
        include($CONFIG->pluginspath . "waramu/search2.php");
        break;
    case "results":
        include($CONFIG->pluginspath . "waramu/results.php");
        break;
    case "myfavorites":
        set_input('uname', $page[1]);
        include($CONFIG->pluginspath . "waramu/myfavorites.php");
        break;
    case "browser":
        include($CONFIG->pluginspath . "waramu/Browser.php");
        break;
    case "myresources":
        include($CONFIG->pluginspath . "waramu/myresources.php");
        break;
    case "view":
        set_input('resourceid', $page[1]);
        include($CONFIG->pluginspath . "waramu/view.php");
        break;
    case "media":
        set_input('resourceid', $page[1]);
        include($CONFIG->pluginspath . "waramu/std_media.php");
        break;
    case "edit":
        set_input('resourceid', $page[1]);
        include($CONFIG->pluginspath . "waramu/edit_form.php");
        break;
    case "download":
        set_input('resourceid', $page[1]);
        include($CONFIG->pluginspath . "waramu/download.php");
        break;
    case "moderate":
        include($CONFIG->pluginspath . "waramu/moderate.php");
        break;
    case "rejected":
        include($CONFIG->pluginspath . "waramu/rejected.php");
        break;
    case "frontpage":
        set_input('resourceid', $page[1]);
        include($CONFIG->pluginspath . "waramu/frontpage_resource.php");
        break;
    case "collections":
        set_input('user_to_show', $page[1]);
        include($CONFIG->pluginspath . "waramu/waramu_collections.php");
        break;
    case "translate":
        include($CONFIG->pluginspath . "waramu/ajax/translate.php");
        break;
    case "vocabulary":
        include($CONFIG->pluginspath . "waramu/ajax/vocabulary.php");
        break;
    case "autosuggest":
        include($CONFIG->pluginspath . "waramu/ajax/autosuggest.php");
        break;
    case "tree":
        include($CONFIG->pluginspath . "waramu/ajax/curriculumtree.php");
        break;
    case "lrekeywords":
        include($CONFIG->pluginspath . "waramu/ajax/lrekeywords.php");
        break;
    case "checkurl":
        include($CONFIG->pluginspath . "waramu/ajax/checkurl.php");
        break;
    case "acoll":
        include($CONFIG->pluginspath . "waramu/ajax/collections.php");
        break;
    case "uploadcheck":
        include($CONFIG->pluginspath . "waramu/upload/ajax_check.php");
        break;
    case "view_collection":
        set_input('collection_id', $page[1]);
        include($CONFIG->pluginspath . "waramu/view_collection.php");
        break;
    case "edit_collection":
        set_input('collection_id', $page[1]);
        include($CONFIG->pluginspath . "waramu/edit_collection.php");
        break;
    case "subjects":
        set_input('subject_id', $page[1]);
        include($CONFIG->pluginspath . "waramu/subjects_index.php");
        break;
    case "keywords":
        set_input('keyword', $page[1]);
        include($CONFIG->pluginspath . "waramu/waramu_keywords_index.php");
        break;
    case "embed":
        include($CONFIG->pluginspath . "waramu/embed.php");
        break;
    default:
        include($CONFIG->pluginspath . "waramu/subjects_index.php");
    }
    return true;
}

function waramu_pages() {
    global $CONFIG;
    if (get_context() == 'waramu') {
        /*translation:Search materials*/
        add_submenu_item(elgg_echo('koolielu:submenu_item_Search'), $CONFIG->wwwroot . "pg/waramu/search2");
        /*translation:Koolielu keywords*/
        //add_submenu_item(elgg_echo('koolielu:submenu_item_Keywords'), $CONFIG->wwwroot . "pg/waramu/keywords");
        if (isLoggedIn()) {
            /*translation:New resource*/
            add_submenu_item(elgg_echo('koolielu:New_resource'), $CONFIG->wwwroot . "pg/waramu/new2");
            //add_submenu_item("New Coll NG", $CONFIG->wwwroot . "pg/waramu/newcollng");
        }
        if (isModerator()) {
        /*translation:Pending resources*/
            add_submenu_item(elgg_echo('koolielu:Pending_resources'), $CONFIG->wwwroot . "pg/waramu/moderate");
        }
        if (isadminloggedin()) {
            /*translation:Rejected resources*/
            add_submenu_item(elgg_echo('koolielu:rejected_resources'), $CONFIG->wwwroot . "pg/waramu/rejected");
        }
        if ((page_owner() == $_SESSION['guid'] || !page_owner()) && isloggedin()) {    
            $logged_in_user = get_loggedin_user()->username;
            /*translation:My resources*/
            add_submenu_item(elgg_echo('koolielu:myresources'), $CONFIG->wwwroot . "pg/waramu/myresources");
            /*translation:My collections*/
            add_submenu_item(elgg_echo('koolielu:my_collections'), $CONFIG->wwwroot . "pg/waramu/collections/{$_SESSION['user']->username}");
            /*translation:My favorites*/
            add_submenu_item(elgg_echo('koolielu:my_favorites'), $CONFIG->wwwroot . "pg/waramu/myfavorites");
        } else if (page_owner()) {
            $page_owner = page_owner_entity();
        /*translation:%s's collections*/
            add_submenu_item(sprintf(elgg_echo("koolielu:users_collections"), $page_owner->name), $CONFIG->wwwroot."pg/waramu/collections/" . $page_owner->username);
        }
        /*translation:Publishing materialn in Koolielu*/
        add_submenu_item(elgg_echo('koolielu:publishing_materials_menu'), $CONFIG->wwwroot . "pg/info/news/31");
        /*translation:Embed searchbox*/
        add_submenu_item(elgg_echo("koolielu:embedable_searchbox_link"), $CONFIG->wwwroot . "pg/waramu/embed");
    }
}

function waramu_get() {
    try {
        $w = new Waramu(
            get_plugin_setting('wurl', 'waramu'),
            get_plugin_setting('wuser', 'waramu'),
            get_plugin_setting('wpass', 'waramu'));
        if ( isset($_SESSION['waramu_session']) ) {
            $w->setSid($_SESSION['waramu_session']);
        } else {
            $conn_status = $w->connect();
            if ( $conn_status ) {
                die("Invalid Waramu connection parameters");
            } else {
                $_SESSION['waramu_session'] = $w->sid;
            }
        }
        return $w;
    } catch (SoapFault $sf) {
        return new DummyWaramu();
    }
}

/**
 * Get a Waramu resource by ID
 * */
function waramu_getResource($au, $wid) {
    if ( is_null($wid) )
        return new WaramuResource(null, '', '');
    $w = waramu_get();
    $obj = $w->getResource($au, $wid);
    return $obj;
}

function waramu_list_resources($ids=null, $additional_icons=true, $show_koolielu=true, $params=null) {
    $limit = $params['limit']; 
    $use_pagination = $params['use_pagination'];
    $showall = $params['showall'];
    if (is_null($use_pagination)) $use_pagination = true;
    if (is_null($show_koolielu)) $show_koolielu = true;
    if (is_null($showall)) $showall = false;
    global $CONFIG;
    if ( is_null($ids) ) {
        $ids = $_SESSION['results'];
    }
    $w = waramu_get();
    $ents = array();
    $offset = get_input('offset');
    if ( !$offset ) {
        $offset = 0;
    }
    if (is_null($limit))
        $limit = 10;
    $t = 0;
    foreach($ids as $id) {
        if ( ($t >= $offset) && $t < $offset+$limit) {
            if (gettype($id) == 'string') {
                // We need to check if the resource even exists
                try {
                    $wo = waramu_getResource("", $id);
                    // TODO: kind of sucks
                    if (!$showall) {
                        if ($show_koolielu && !$wo->isPublished()) {
                            continue;
                        }
                        if (!$show_koolielu && $wo->isPublished()) {
                            continue;
                        }
                    }
                    $ents[] = $wo;
                    if (!is_null($params['cp'])) {
                        $params['cp']($wo);
                    }
                } catch ( Exception $e ) {
                    //print $id;
                    // If resource does not exist, we just omit it
                }
            } else {
                // its a object here already
                $ents[] = $id;
            }
        } else {
            //$ents[] = null;
        }
        $t++;
    }

    //$res = elgg_view_entity_list($ents, count($ids), $offset, $limit);
    $res = "";
    if ($use_pagination) {
        // TODO:XXX: need to verify if this works!
        $pagination = elgg_view('navigation/pagination', array(
            'baseurl' => $_SERVER['REQUEST_URI'],
            'offset' => $offset,
            'count' => count($ids),
            'limit' => $limit
        ));   
        $res .= $pagination;
    }
    $res .= elgg_view('waramu/resource_list',
        array('objects' => $ents, 'additional_icons' => $additional_icons, 'opts' => $params));
    if ($use_pagination)
        $res .= $pagination;
    return $res;
}

// Cron defines
// update collection tags
// I think this is not needed anymore
function collection_tags_update_cron($hook, $entity_type, $returnvalue, $params) {
    // log in as admin or else it's not possible to change entities
    login(get_entity(2));
    $collections = get_entities_from_metadata("needs_update", "1", "object", "collection");
    foreach ($collections as $collection) {
        updateCollectionTags($collection);
        $collection->needs_update = 0;
        $collection->save();
    }
    logout();
}

// send messages to moderators
function materials_moderation_message_cron($hook, $entity_type, $returnvalue, $params) {
    //TODO: materials_moderation_message_cron - need refactoring!
    global $CONFIG;
    $moderation_limit = 1;
    // XXX See if we have already run this today, and do not run that for the second time
    // log in as admin or else it's not possible to change entities
    login(get_entity(2));
    $s_materials = array();
    $main_subjects = getSubjects(); // review!
    // Prepopulate subjects array
    foreach ($main_subjects as $key => $title) {
        $s_materials[$key] = array();
    }
    // Get all pending materials and populate the array
    $m_ids = get_data("SELECT ID FROM {$CONFIG->dbprefix}koolielu_waramu_queue WHERE status=0 ORDER BY time");
    foreach ($m_ids as $m_id) {
        $rid = $m_id->ID;
        try {
            $obj = waramu_getResource("", $rid);
        } catch (Exception $e) {
            continue;
        }
        $obj_subjects = $obj->getCurriculumSubjects();
        if (is_array($obj_subjects)) {
            foreach ($obj_subjects as $key => $subj_id) {
                if (array_key_exists($subj_id, $s_materials)) {
                    $tmp_arr = $s_materials[$subj_id];
                    array_push($tmp_arr, $rid);
                    $s_materials[$subj_id] = $tmp_arr;
                }
            }
        }
    }
    // Get all moderators and see if any messages need to be sent
    $all_moderators = getAllModerators();
    foreach ($all_moderators as $moderator) {
        $m_to_moderate = array();
        $moderator_subjects = $moderator->subjects;
        if (!is_array($moderator_subjects)) {
            $moderator_subjects = array($moderator_subjects);
        }
        foreach ($moderator_subjects as $key => $m_subject) {
            if (array_key_exists($m_subject, $s_materials)) {
                foreach ($s_materials[$m_subject] as $key => $value) {
                    if (!in_array($value, $m_to_moderate)) {
                        array_push($m_to_moderate, $value);
                    }
                }
            }
        }
        // See if we need to send any messages
        if (sizeof($m_to_moderate) >= $moderation_limit) {
            /*translation:Please moderate materials*/
            $mess_title = elgg_echo("koolielu:message_title_please_moderate_materials");
            /*translation:There are several materials that require your attention in Koolielu. Please go to Materials section and review them.*/
            $mess_description = elgg_echo("koolielu:message_desc_please_moderate_materials");
            messages_send($mess_title, $mess_description, $moderator->getGUID(), 0, 0, true, false);
        }
    }
    // Trigger logout
    logout();
}

// send messages to users
function materials_weekly_created_message_cron ($hook, $entity_type, $returnvalue, $params) {
    global $CONFIG;
    // log in admin or else it's not possible to change entities
    $today = now();
    // XXX only run if today is monday
    // XXX this is not finished and should not be ran, second condition takes care of that
    if ((date("w", $today) == 1) && (1 == 2)) {
        login(get_entity(2));
        // XXX Add entry to crons table, so that it would not run again
        // Set periodics XXX see if those are right
        $week_ends = now();
        $week_begins = now() - (7 * 24 * 60 * 60);
        //XXX See if all needed materials are included
        $s_materials = array();
        $main_subjects = getSubjects();
        // Prepopulate subjects array
        foreach ($main_subjects as $key => $title) {
            $s_materials[$key] = array();
        }

        // Get all published materials and populate the array
        $m_ids = get_data("SELECT waramu_id FROM {$CONFIG->dbprefix}koolielu_waramu_resources WHERE time BETWEEN FROM_UNIXTIME({$week_begins}) and FROM_UNIXTIME({$week_ends})");//XXX add timestamp checking for WHERE condition
        foreach ($m_ids as $m_id) {
            try {
                $obj = waramu_getResource("", $m_id->waramu_id);
                $obj_subjects = $obj->getCurriculumSubjects();
                if (is_array($obj_subjects)) {
                    foreach ($obj_subjects as $key => $subj_id) {
                        if (array_key_exists($subj_id, $s_materials)) {
                            $tmp_arr = $s_materials[$subj_id];
                            // Data is stored with array >>> waramu_id, title
                            array_push($tmp_arr, array("waramu_id" => $m_id->waramu_id, "title" => $obj->getTitle()));
                            $s_materials[$subj_id] = $tmp_arr;
                        }
                    }
                }
            } catch (Exception $exe) {
                // For some reason object could not be retrieved.
            }
        }
        // Get all portal users
        $all_users_count = get_entities("user", "", 0, "", 10, 0, true);
        $all_users = get_entities("user", "", 0, "", $all_users_count, 0);
        //XXX Maybe splitting into chunks might be a good idea
        foreach ($all_users as $single_user) {
            if (get_plugin_usersetting('waramupublishedweekly', $single_user->guid, 'waramu') == "yes") {
                $suitable_ids = array();
                $suitable_materials = array();
                $user_subjects = $single_user->subjects;
                if (!is_array($user_subjects)) {
                    $user_subjects = array($user_subjects);
                }
                foreach ($user_subjects as $key => $u_subject) {
                     if (array_key_exists($u_subject, $s_materials)) {
                        foreach($s_materials[$u_subject] as $key => $m_values) {
                            if (!in_array($m_values['waramu_id'], $suitable_ids)) {
                                array_push($suitable_ids, $m_values['waramu_id']);
                                array_push($suitable_materials, $m_values);
                            }
                        }
                    }
                    // See if there are materials to send message about
                    if ($sizeof($suitable_ids) > 0) {
                        //XXX Creating message
                        /*translation:Dear %s,*/
                        $sent_message = sprintf(elgg_echo("koolitlu:weekly_materials_firstline"), $single_user->name). "\n\n";
                        /*translation:You have shown your interest for these subjects: %s*/
                        $sent_message .= sprintf(elgg_echo("koolitlu:weekly_materials_subjects"), implode(", ", $user_subjects)) . "\n";
                        /*translation:This message is meant to inform you that within past week %s - %s time these resources have been published in subjects of your interest:*/
                        $sent_message .= sprintf(elgg_echo("koolielu:weekly_materials_resources"), date("d.m.Y", $week_begins), date("d.m.Y", $week_ends)) . "\n\n";
                        $numbering = 1;
                        foreach($suitabe_materials as $s_m) {
                            $sent_message .= $numbering . ". " . $s_m->title . " " . $CONFIG->wwwroot . "pg/waramu/view/" . $s_m->waramu_id . "\n";
                            $numbering += 1;
                        }
                        /*translation:Best wishes,*/
                        $sent_message .= "\n\n" . elgg_echo("koolielu:weekly_materials_best_wishes") . "\nKoolielu";
                        /*translation:Koolielu materials created last week*/
                        notify_user($single_user->guid, get_loggedin_user()->guid, elgg_echo("koolielu:message_weekly_notification_subject"), $sent_message);
                    }
                }
            }
        }
        // Trigger logout
        logout();
    }
}

register_elgg_event_handler('init', 'system', 'waramu_init');
register_elgg_event_handler('pagesetup', 'system', 'waramu_pages');
register_action('waramu/search', true, $CONFIG->pluginspath . "waramu/actions/search.php");
register_action('waramu/advsearch', true, $CONFIG->pluginspath . "waramu/actions/advsearch.php");
register_action('waramu/advsearchx', true, $CONFIG->pluginspath . "waramu/actions/advsearch2.php");
register_action('waramu/new_with_link', true, $CONFIG->pluginspath . "waramu/actions/new_with_link.php");
register_action('waramu/new_with_files', true, $CONFIG->pluginspath . "waramu/actions/new_with_files.php");
register_action('waramu/new_with_reserved', true, $CONFIG->pluginspath . "waramu/actions/new_with_reserved.php");
register_action('waramu/saveMetadata', false, $CONFIG->pluginspath . "waramu/actions/save_metadata.php");
register_action('waramu/goedit', false, $CONFIG->pluginspath . "waramu/actions/goedit.php");
register_action('waramu/resubmit', false, $CONFIG->pluginspath . "waramu/actions/resubmit.php");
register_action('waramu/delete', false, $CONFIG->pluginspath . "waramu/actions/delete.php");
register_action('waramu/frontpage_resource', false, $CONFIG->pluginspath . "waramu/actions/frontpage_resource.php");
register_action('waramu/remove_frontpage_resource', false, $CONFIG->pluginspath . "waramu/actions/remove_frontpage_resource.php");
register_action('waramu/reviewPending', true, $CONFIG->pluginspath . "waramu/actions/review_pending.php");
register_action('waramu/addComment', true, $CONFIG->pluginspath . "waramu/actions/add_comment.php");
register_action('waramu/deleteComment', true, $CONFIG->pluginspath . "waramu/actions/delete_comment.php");
register_action('waramu/favorite', true, $CONFIG->pluginspath . "waramu/actions/favorite.php");
register_action('waramu/go_collection_selection', true, $CONFIG->pluginspath . "waramu/actions/go_collection_selection.php");
register_action('waramu/add_to_collection', true, $CONFIG->pluginspath . "waramu/actions/add_to_collection.php");
register_action('waramu/delete_from_collection', true, $CONFIG->pluginspath . "waramu/actions/delete_from_collection.php");
register_action('waramu/goedit_collection', true, $CONFIG->pluginspath . "waramu/actions/goedit_collection.php");
register_action('waramu/edit_collection', true, $CONFIG->pluginspath . "waramu/actions/edit_collection.php");
register_action('waramu/delete_collection', true, $CONFIG->pluginspath . "waramu/actions/delete_collection.php");
register_action('waramu/save_quality_marks', true, $CONFIG->pluginspath . "waramu/actions/save_quality_marks.php");
register_action('waramu/requestpublish', true, $CONFIG->pluginspath . "waramu/actions/request_publish.php");
?>