<?php
/* For license terms, see /license.txt */
/**
 * Functions for the Sepe plugin
 * @package chamilo.plugin.sepe
 */

require_once '../config.php';

$plugin = SepePlugin::create();

if ($_REQUEST['tab'] == 'delete_center_data') {
    $sql = "DELETE FROM $tableSepeCenter;";
    $res = Database::query($sql);
    if (!$res) {
        $sql = "DELETE FROM $tableSepeActions;";
        $res = Database::query($sql);
        $content = $plugin->get_lang('ProblemToDeleteInfoCenter') . Database::error();
        echo json_encode(array("status" => "false", "content" => $content));
    } else {
        $content = $plugin->get_lang('DeleteOk');
        echo json_encode(array("status" => "true", "content" => $content));
    }
}

if ($_REQUEST['tab'] == 'delete_action') {
    $id = $_REQUEST['id'];
    $sql = "DELETE FROM $tableSepeActions WHERE id='".$id."';";
    $res = Database::query($sql);
    if (!$res) {
        $content = $plugin->get_lang('ProblemToDeleteInfoAction') . Database::error();
        echo json_encode(array("status" => "false", "content" => $content));
    } else {
        $content = $plugin->get_lang('DeleteOk');
        $_SESSION['sepe_message_info'] = $content;
        echo json_encode(array("status" => "true"));
    }
}

if ($_REQUEST['tab'] == 'delete_specialty') {
    $id = substr($_REQUEST['id'],9);
    $sql = "DELETE FROM $tableSepeSpecialty WHERE id='".$id."';";
    $res = Database::query($sql);
    if (!$res) {
        $content = $plugin->get_lang('ProblemToDeleteInfoSpecialty') . Database::error();
        echo json_encode(array("status" => "false", "content" => $content));
    } else {
        $content = $plugin->get_lang('DeleteOk');
        echo json_encode(array("status" => "true", "content" => $content));
    }
}

if ($_REQUEST['tab'] == 'delete_specialty_participant') {
    $id = substr($_REQUEST['id'],9);
    $sql = "DELETE FROM $tableSepeParticipantsSpecialty WHERE id='".$id."';";
    $res = Database::query($sql);
    if (!$res) {
        $content = $plugin->get_lang('ProblemToDeleteInfoSpecialty') . Database::error();
        echo json_encode(array("status" => "false", "content" => $content));
    } else {
        $content = $plugin->get_lang('DeleteOk');
        echo json_encode(array("status" => "true", "content" => $content));
    }
}

if ($_REQUEST['tab'] == 'delete_classroom') {
    $id = substr($_REQUEST['id'],9);
    $sql = "DELETE FROM $tableSepeSpecialtyClassroom WHERE id='".$id."';";
    $res = Database::query($sql);
    if (!$res) {
        $content = $plugin->get_lang('ProblemToDeleteInfoSpecialtyClassroom') . Database::error();
        echo json_encode(array("status" => "false", "content" => $content));
    } else {
        $content = $plugin->get_lang('DeleteOk');
        echo json_encode(array("status" => "true", "content" => $content));
    }
}

if ($_REQUEST['tab'] == 'checkTutorEdit') {
    $type = $_REQUEST['type'];
    $number = $_REQUEST['number'];
    $letter=$_REQUEST['letter'];
    $platform_user_id = $_REQUEST['platform_user_id'];
    
    $sql = "SELECT platform_user_id 
            FROM $tableSepeTutors 
            WHERE document_type='".$type."' AND document_number='".$number."' AND document_letter='".$letter."';";
    $res = Database::query($sql);
    if (!$res) {
        $content = $plugin->get_lang('ProblemDataBase') . Database::error();
        error_log(print_r($content,1));
        exit;
    } else {
        $aux = Database::fetch_assoc($res);
        if ($aux['platform_user_id'] == $platform_user_id || $aux['platform_user_id'] == '0') {
            echo json_encode(array("status" => "true"));
        } else {
            $content = $plugin->get_lang('ModDataTeacher');
            echo json_encode(array("status" => "false", "content" => $content));
        }
    }
}

if ($_REQUEST['tab'] == 'delete_tutor') {
    $id = substr($_REQUEST['id'],5);
    $sql = "DELETE FROM $tableSepeSpecialtyTutors WHERE id='".$id."';";
    $res = Database::query($sql);
    if (!$res) {
        $content = $plugin->get_lang('ProblemToDeleteInfoSpecialtyTutor') . Database::error();
        echo json_encode(array("status" => "false", "content" => $content));
    } else {
        $content = $plugin->get_lang('DeleteOk');
        echo json_encode(array("status" => "true", "content" => $content));
    }
}

if ($_REQUEST['tab'] == 'delete_participant') {
    $id = substr($_REQUEST['id'],11);
    $sql = "SELECT platform_user_id, action_id FROM $tableSepeParticipants WHERE id='".$id."';";
    $res = Database::query($sql);
    $row = Database::fetch_assoc($res);
    
    $sql = "UPDATE plugin_sepe_log_participant SET fecha_baja='".date("Y-m-d H:i:s")."' WHERE platform_user_id='".$row['platform_user_id']."' AND action_id='".$row['action_id']."';";
    $res = Database::query($sql);
    
    $sql = "DELETE FROM $tableSepeParticipants WHERE id='".$id."';";
    $res = Database::query($sql);
    if (!$res) {
        $content = $plugin->get_lang('ProblemToDeleteInfoParticipant') . Database::error();
        echo json_encode(array("status" => "false", "content" => $content));
    } else {
        $content = $plugin->get_lang('DeleteOk');
        echo json_encode(array("status" => "true", "content" => $content));
    }
}

if ($_REQUEST['tab'] == 'unlink_action') {
    $id = substr($_REQUEST['id'],16);
    $sql = "DELETE FROM $tableSepeCourseActions WHERE id='".$id."';";
    $res = Database::query($sql);
    if (!$res) {
        $content = $plugin->get_lang('ProblemToDesvincularInfoAction') . Database::error();
        echo json_encode(array("status" => "false", "content" => $content));
    } else {
        $content = $plugin->get_lang('DeleteOk');
        echo json_encode(array("status" => "true", "content" => $content));
    }
}

if ($_REQUEST['tab'] == 'assign_action') {
    $course_id = substr($_REQUEST['course_id'],9);
    $action_id = $_REQUEST['action_id'];
    
    if (trim($action_id) != '' && trim($course_id) != '') {
        $action_id = Database::escape_string($action_id);
        $course_id = Database::escape_string($course_id);
        $sql = "SELECT * FROM $tableSepeCourseActions WHERE action_id='".$action_id."';";
        
        $rs = Database::query($sql);
        if (Database::num_rows($rs) > 0) {
            $content = $plugin->get_lang('FormativeActionInUse');
            echo json_encode(array("status" => "false", "content" => $content));
        } else {
            $sql = "SELECT 1 FROM course WHERE id='".$course_id."';";
            $rs = Database::query($sql);
            if (Database::num_rows($rs) == 0) {
                $content = $plugin->get_lang('NoExistsCourse');
                echo json_encode(array("status" => "false", "content" => $content));
            } else {
                $sql = "INSERT INTO $tableSepeCourseActions (course_id, action_id) VALUES ('".$course_id."','".$action_id."');";    
                $rs = Database::query($sql);
                if (!$rs) {
                    $content = $plugin->get_lang('NoSaveData'); 
                    echo json_encode(array("status" => "false", "content" => utf8_encode($content)));
                } else {
                    echo json_encode(array("status" => "true"));    
                }
            }
        }
    } else {
        $content = $plugin->get_lang('ErrorDataIncorrect'); 
        echo json_encode(array("status" => "false", "content" => $content));
    }
}

if ($_REQUEST['tab'] == 'key_sepe_generator') {
    $tApi = Database::get_main_table(TABLE_MAIN_USER_API_KEY);
    $info_user = api_get_user_info_from_username('SEPE');

    $array_list_key = array();
    $user_id = $info_user['user_id'];
    $api_service = 'dokeos';
    $num = UserManager::update_api_key($user_id, $api_service);
    $array_list_key = UserManager::get_api_keys($user_id, $api_service);
    
    if (trim($array_list_key[$num]) != '') {
        $content = $array_list_key[$num];
        echo json_encode(array("status" => "true", "content" => $content));
    } else {
        $content = $plugin->get_lang('ProblemGenerateApiKey');
        echo json_encode(array("status" => "false", "content" => $content));
    }
}