import Controller from "../Controller";
import {NextFunction, Request, Response} from "express";
import {REQUIRE_AUTH_MIDDLEWARE, REQUIRE_GUEST_MIDDLEWARE} from "./AuthComponent";

export default abstract class AuthController extends Controller {
    public getRoutesPrefix(): string {
        return '/auth';
    }

    public routes() {
        this.get('/', this.getAuth, 'auth', REQUIRE_GUEST_MIDDLEWARE);
        this.post('/', this.postAuth, 'auth', REQUIRE_GUEST_MIDDLEWARE);
        this.get('/check', this.getCheckAuth, 'check_auth');
        this.post('/logout', this.postLogout, 'logout', REQUIRE_AUTH_MIDDLEWARE);
    }

    protected async getAuth(req: Request, res: Response, next: NextFunction): Promise<void> {
        const registerEmail = req.flash('register_confirm_email');
        res.render('auth/auth', {
            register_confirm_email: registerEmail.length > 0 ? registerEmail[0] : null,
        });
    }

    protected abstract async postAuth(req: Request, res: Response, next: NextFunction): Promise<void>;

    protected abstract async getCheckAuth(req: Request, res: Response, next: NextFunction): Promise<void>;

    protected async postLogout(req: Request, res: Response, next: NextFunction): Promise<void> {
        const proof = await req.authGuard.getProofForSession(req.session!);
        await proof?.revoke();
        req.flash('success', 'Successfully logged out.');
        res.redirect(req.query.redirect_uri?.toString() || '/');
    }

}