/**
 * Connector
 * Responsible for connecting to the websocket server
 */
import { Socket } from 'socket.io-client';
import AbstractTower from './Tower';
import ClientFacade from '../ClientFacade';
import Class from '../local-models/Class';
import { Scores } from '@robotical/automatic-assessments';
declare class ClassroomTower extends AbstractTower {
    static instance: ClassroomTower;
    protected socket: Socket | null;
    protected clientFacade: ClientFacade | null;
    private constructor();
    static getInstance(): ClassroomTower;
    connect(clientFacade: ClientFacade): void;
    /**
     * Add listeners to the socket
     */
    addListeners(): void;
    onSessionCreated(updatedClass: Class): void;
    onSessionStopped(updatedClass: Class): void;
    onStudentJoinedSession(updatedClass: Class): void;
    onStudentExitedSession(updatedClass: Class): void;
    onStudentActivated(updatedClass: Class): void;
    onStudentDeactivated(updatedClass: Class): void;
    onClassAnnouncementAdded(updatedClass: Class): void;
    onSessionAnnouncementAdded(updatedClass: Class): void;
    onQuestionAdded(updatedClass: Class): void;
    onAnswerCreated(updatedClass: Class): void;
    onAnswerUpdated(updatedClass: Class): void;
    onClassAnnouncementRead(updatedClass: Class): void;
    onSessionAnnouncementRead(updatedClass: Class): void;
    onCodeSubmissionCreated(updatedClass: Class): void;
    onCodeSubmissionUpdated(updatedClass: Class): void;
    onRemoveCodeSubmission(updatedClass: Class): void;
    onRemoveClassAnnouncement(updatedClass: Class): void;
    onRemoveSessionAnnouncement(updatedClass: Class): void;
    onStudentSessionDataScoresUpdated(updatedClass: Class): void;
    onStudentSessionDataScoresCreated(updatedClass: Class): void;
    onSessionTitleUpdated(updatedClass: Class): void;
    /**
     * Join the class as a teacher
     * Emits the event to the server when the teacher selects a class
     */
    joinClassTeacher(classId: string, userId: string): void;
    /**
     * Join the class as a student
     * Emits the event to the server when the student selects a class
     */
    joinClassStudent(classId: string, userId: string): void;
    /**
     * Creates a session for a class
     * Emits the event to the server when the teacher creates a session
     */
    createSession(classId: string): void;
    /**
     * End the session
     */
    stopSession(classId: string, sessionId: string): void;
    /**
     * Join the session
     */
    joinSession(classId: string, studentId: string, studentFirstName: string, studentLastName: string): void;
    /**
     * Exits the session
     */
    exitSession(classId: string, studentId: string): void;
    /**
     * Activates a student
     */
    activateStudent(classId: string, studentId: string): void;
    /**
     * Adds session announcement
     */
    addSessionAnnouncement(classId: string, sessionId: string, announcement: string, imageUrl?: string): void;
    /**
     * Adds class announcement
     */
    addClassAnnouncement(classId: string, announcement: string, imageUrl?: string): void;
    /**
     * Adds question to session
     */
    addQuestionToSession(classId: string, sessionId: string, question: string): void;
    /**
     * Submits the answer to a question
     */
    submitAnswerToQuestion(classId: string, sessionId: string, studentId: string, questionId: string, answer: string): void;
    /**
     * Updates an answer to a question
     */
    updateAnswerToQuestion(classId: string, sessionId: string, studentId: string, questionId: string, answerId: string, answer: string): void;
    /**
     * Reads a class announcement
     */
    readClassAnnouncement(classId: string, studentId: string, announcementId: string): void;
    /**
     * Reads a session announcement
     */
    readSessionAnnouncement(classId: string, sessionId: string, studentId: string, announcementId: string): void;
    /**
     * Submit code
     */
    submitCode(classId: string, sessionId: string, studentId: string, title: string, codeUrl: string, explanation?: string): void;
    /**
     * Update a code submission
     */
    updateCodeSubmission(classId: string, sessionId: string, studentId: string, submissionId: string, title: string, codeUrl: string, explanation: string): void;
    /**
     * Removes code submission
     */
    removeCodeSubmission(classId: string, sessionId: string, submissionId: string): void;
    /**
    * Removes a session announcement
    */
    removeSessionAnnouncement(classId: string, sessionId: string, announcementId: string): void;
    /**
     * Removes a class announcement
     */
    removeClassAnnouncement(classId: string, announcementId: string): void;
    /**
     * creates studentSessionData scores
     */
    createStudentSessionDataScores(classId: string, sessionId: string, studentId: string, scores: Scores): void;
    /**
     * Updates studentSessionData scores
     */
    updateStudentSessionDataScores(classId: string, sessionId: string, studentId: string, scores: Scores): void;
    /**
     * Updates session's title
     */
    updateSessionTitle(classId: string, sessionId: string, title: string): void;
}
export default ClassroomTower;