/*
  jwtTest - JSON Web Token Testimplementierung 
  Copyright (C) 2021  Ulrich Hilger

  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU Affero General Public License as
  published by the Free Software Foundation, either version 3 of the
  License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU Affero General Public License for more details.

  You should have received a copy of the GNU Affero General Public License
  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
package de.uhilger.httpserver.auth.handler;

import com.google.gson.Gson;
import com.sun.net.httpserver.Authenticator;
import com.sun.net.httpserver.HttpExchange;
import de.uhilger.httpserver.auth.ApiAuthenticator;
import de.uhilger.httpserver.auth.realm.User;
import de.uhilger.httpserver.base.handler.HttpHelper;
import de.uhilger.httpserver.base.handler.HttpResponder;
import java.io.IOException;
import java.util.logging.Logger;

/**
 *
 * @author Ulrich Hilger
 * @version 1, 30.05.2021
 */
public class ApiLoginHandler extends LoginHandler {

  private static final Logger logger = Logger.getLogger(ApiLoginHandler.class.getName());
  
  public ApiLoginHandler() {
    //this.ctx = ctx;
  }

  @Override
  protected void loginResponse(HttpExchange exchange, Authenticator auth, String token) throws IOException {
    if(auth instanceof ApiAuthenticator) {
      setAuthenticatedHeader(exchange, auth, token);
      logger.info("response ok");      
      HttpResponder responder = new HttpResponder();
      responder.antwortSenden(exchange, 200, "ok");
    } else {
      throw new IOException("Wrong authenticator type, should have been ApiAuthenticator.");
    }
  }

  @Override
  protected User getUser(HttpExchange exchange) throws IOException {
    /*
    Wenn ein JSON-Inhalt im Body uebermittelt wird, steht
    dort evtl. etwas wie
    {"name": "fred", "password": "secret"}
    das kann wie folgt gelesen werden
     */
    String body = new HttpHelper().bodyLesen(exchange);
    Gson gson = new Gson();
    User user = gson.fromJson(body, User.class);
    return user;
  }
  
}