<?php
class LoginController {

    private $layoutView;
    private $loginView;
    private $databaseModel;
    private $sessionModel;
    private $loginModel;


    public function __construct($layoutView, $loginView, $databaseModel) {
        $this->layoutView = $layoutView;
        $this->loginView = $loginView;
        $this->databaseModel = $databaseModel;
        $this->sessionModel = new SessionModel($this->databaseModel);
        $this->loginModel = new LoginModel($this->layoutView, $this->loginView, $this->databaseModel);
    }



    public function newLogin() {
        $this->loginModel->getUserLoginInput();

        if ($this->loginModel->validateLoginRequest()) {

            if ($this->loginModel->isCredentialsMatch()) {

                $this->sessionModel->regenerateSessionId();
                $this->sessionModel->setSessionVariables();
                $this->loginView->setIsLoggedIn();

                if ($this->loginView->isKeepLoggedInRequested()) {

                    $this->sessionModel->handleNewCookies($this->loginView->getUsername());
                    $this->loginView->setLoginMessage("Welcome and you will be remembered");

                } else {

                    $this->loginView->setLoginMessage("Welcome");

                }

                $this->layoutView->render($this->loginView->isLoggedIn(), $this->loginView);

            } else {

                $this->loginView->setLoginMessage("Wrong name or password");
            }
        }

        $this->loginView->setUsernameValue($this->loginView->getUsername());
        $this->layoutView->render($this->loginView->isLoggedIn(), $this->loginView);
    }



    public function loginWithCookies() {

        if ($this->sessionModel->isCookieValid()) {

            $this->loginView->setIsLoggedIn();
            $this->sessionModel->regenerateSessionId();

            if (!$this->sessionModel->isSessionSet()) {

                $this->sessionModel->setSessionVariables();
                $this->loginView->setLoginMessage("Welcome back with cookie");
            }
            $this->layoutView->render($this->loginView->isLoggedIn(), $this->loginView);

        } else {

            $this->sessionModel->destroyCookies();
            $this->loginView->setLoginMessage("Wrong information in cookies");
            $this->layoutView->render($this->loginView->isLoggedIn(), $this->loginView);
        }
    }




    public function loginWithSession() {

        if ($this->sessionModel->isSessionHijacked()) {

            $this->layoutView->render($this->loginView->isLoggedIn(), $this->loginView);

        } else {

            $this->sessionModel->regenerateSessionId();
            $this->loginView->setIsLoggedIn();
            $this->layoutView->render($this->loginView->isLoggedIn(), $this->loginView);

        }
    }



    public function logout() {

        if ($this->sessionModel->isSessionSet()) {

            $this->sessionModel->destroySessionAndCookies();
            $this->loginView->setLoginMessage("Bye bye!");
        }

        $this->layoutView->render($this->loginView->isLoggedIn(), $this->loginView);
    }
}