<?php
/* For licensing terms, see /license.txt */

/**
 * Script
 * @package chamilo.gradebook
 */
require_once __DIR__.'/../inc/global.inc.php';
require_once '../forum/forumfunction.inc.php';
$current_course_tool = TOOL_GRADEBOOK;

api_protect_course_script(true);
api_block_anonymous_users();
GradebookUtils::block_students();

$courseCode = isset($_GET['course_code']) ? Security::remove_XSS($_GET['course_code']) : null;
$selectCat = isset($_GET['selectcat']) ? (int) $_GET['selectcat'] : 0;

$course_info = api_get_course_info($courseCode);
$tbl_forum_thread = Database::get_course_table(TABLE_FORUM_THREAD);
$tbl_link = Database::get_main_table(TABLE_MAIN_GRADEBOOK_LINK);

$session_id = api_get_session_id();
$typeSelected = isset($_GET['typeselected']) ? intval($_GET['typeselected']) : null;

if ($session_id == 0) {
    $all_categories = Category::load(
        null,
        null,
        api_get_course_id(),
        null,
        null,
        $session_id
    );
} else {
    $all_categories = Category::load_session_categories(null, $session_id);
}
$category = Category :: load($selectCat);
$url = api_get_self().'?selectcat='.$selectCat.'&newtypeselected='.$typeSelected.'&course_code='.api_get_course_id().'&'.api_get_cidreq();
$typeform = new LinkForm(
    LinkForm :: TYPE_CREATE,
    $category[0],
    null,
    'create_link',
    null,
    $url,
    $typeSelected
);

// if user selected a link type
if ($typeform->validate() && isset($_GET['newtypeselected'])) {
    // reload page, this time with a parameter indicating the selected type
    header('Location: '.api_get_self().'?selectcat='.$selectCat
        .'&typeselected='.$typeform->exportValue('select_link')
        .'&course_code='.Security::remove_XSS($_GET['course_code']).'&'.api_get_cidreq()
    );
    exit;
}

// link type selected, show 2nd form to retrieve the link data
if (isset($typeSelected) && $typeSelected != '0') {
    $url = api_get_self().'?selectcat='.$selectCat.'&typeselected='.$typeSelected.'&course_code='.$courseCode.'&'.api_get_cidreq();

    $addform = new LinkAddEditForm(
        LinkAddEditForm :: TYPE_ADD,
        $all_categories,
        $typeSelected,
        null,
        'add_link',
        $url
    );

    if ($addform->validate()) {
        $addvalues = $addform->exportValues();
        $link = LinkFactory::create($typeSelected);
        $link->set_user_id(api_get_user_id());
        $link->set_course_code(api_get_course_id());
        $link->set_category_id($addvalues['select_gradebook']);

        if ($link->needs_name_and_description()) {
            $link->set_name($addvalues['name']);
        } else {
            $link->set_ref_id($addvalues['select_link']);
        }

        $parent_cat = Category::load($addvalues['select_gradebook']);
        $global_weight = $category[0]->get_weight();
        $link->set_weight($addvalues['weight_mask']);

        if ($link->needs_max()) {
            $link->set_max($addvalues['max']);
        }

        if ($link->needs_name_and_description()) {
            $link->set_description($addvalues['description']);
        }
        $link->set_visible(empty($addvalues['visible']) ? 0 : 1);

        // Update view_properties
        if (isset($typeSelected) &&
            5 == $typeSelected &&
            (isset($addvalues['select_link']) && $addvalues['select_link'] <> "")
        ) {
            $sql1 = 'SELECT thread_title from '.$tbl_forum_thread.'
					 WHERE 
					    c_id = '.$course_info['real_id'].' AND 
					    thread_id = '.$addvalues['select_link'];
            $res1 = Database::query($sql1);
            $rowtit = Database::fetch_row($res1);
            $course_id = api_get_course_id();
            $sql_l = 'SELECT count(*) FROM '.$tbl_link.'
                      WHERE 
                            ref_id='.$addvalues['select_link'].' AND 
                            course_code="'.$course_id.'" AND 
                            type = 5;';
            $res_l = Database::query($sql_l);
            $row = Database::fetch_row($res_l);
            if ($row[0] == 0) {
                $link->add();
                $sql = 'UPDATE '.$tbl_forum_thread.' SET
                            thread_qualify_max= "'.api_float_val($addvalues['weight']).'",
                            thread_weight= "'.api_float_val($addvalues['weight']).'",
                            thread_title_qualify = "'.$rowtit[0].'"
						WHERE 
						    thread_id='.$addvalues['select_link'].' AND 
						    c_id = '.$course_info['real_id'].' ';
                Database::query($sql);
            }
        }

        $link->add();
        $addvalue_result = !empty($addvalues['addresult']) ? $addvalues['addresult'] : array();
        if ($addvalue_result == 1) {
            header('Location: gradebook_add_result.php?selecteval='.$link->get_ref_id().'&'.api_get_cidreq());
            exit;
        } else {
            header('Location: '.Security::remove_XSS($_SESSION['gradebook_dest']).'?linkadded=&selectcat='.$selectCat.'&'.api_get_cidreq());
            exit;
        }
    }
}

$interbreadcrumb[] = array(
    'url' => $_SESSION['gradebook_dest'].'?selectcat='.$selectCat.'&'.api_get_cidreq(),
    'name' => get_lang('Gradebook')
);
$this_section = SECTION_COURSES;

$htmlHeadXtra[] = '<script>
$(document).ready( function() {
    $("#hide_category_id").change(function() {
       $("#hide_category_id option:selected").each(function () {
           var cat_id = $(this).val();
            $.ajax({
                url: "'.api_get_path(WEB_AJAX_PATH).'gradebook.ajax.php?a=get_gradebook_weight",
                data: "cat_id="+cat_id,
                success: function(return_value) {
                    if (return_value != 0 ) {
                        $("#max_weight").html(return_value);
                    }
                }
            });
       });
    });
});
</script>';

Display::display_header(get_lang('MakeLink'));
if (isset($typeform)) {
    echo Display::return_message(get_lang('LearningPathGradebookWarning'), 'warning');
    $typeform->display();
}
if (isset($addform)) {
    $addform->display();
}
Display::display_footer();