package controllers;

import com.fasterxml.jackson.databind.JsonNode;
import models.db.UserFactory;
import play.mvc.*;
import views.html.*;

import javax.inject.Inject;
import java.sql.SQLException;

public class LoginController extends Controller {
    @Inject
    UserFactory userFactory;

    public Result index() {
        if (!session().isEmpty()) return redirect(routes.MainController.index());
        else return ok(login.render());
    }

    public Result validate() {
        JsonNode json = request().body().asJson();
        String username = json.get("username").textValue();
        String password = json.get("password").textValue();
        try {
            if (userFactory.fromDBWithCredentials(username, password).isEmpty()) {
                return unauthorized(); /* wrong credentials */
            }
            session("connected", username);
            return ok();
        } catch (SQLException e) {
            return badRequest();
        }
    }

    public Result logout() {
        session().clear();
        return redirect(routes.LoginController.index());
    }
}