/*
 * The MIT License
 * Copyright © 2014-2019 Ilkka Seppälä
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package com.iluwatar.gameloop;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A game loop runs continuously during gameplay. Each turn of the loop, it processes
 * user input without blocking, updates the game state, and renders the game. It tracks
 * the passage of time to control the rate of gameplay.
 */
public class App {

  private static final Logger LOGGER = LoggerFactory.getLogger(App.class);

  /**
   * Each type of game loop will run for 2 seconds.
   */
  private static final int GAME_LOOP_DURATION_TIME = 2000;

  /**
   * Program entry point.
   * @param args runtime arguments
   */
  public static void main(String[] args) {

    try {
      LOGGER.info("Start frame-based game loop:");
      var frameBasedGameLoop = new FrameBasedGameLoop();
      frameBasedGameLoop.run();
      Thread.sleep(GAME_LOOP_DURATION_TIME);
      frameBasedGameLoop.stop();
      LOGGER.info("Stop frame-based game loop.");

      LOGGER.info("Start variable-step game loop:");
      var variableStepGameLoop = new VariableStepGameLoop();
      variableStepGameLoop.run();
      Thread.sleep(GAME_LOOP_DURATION_TIME);
      variableStepGameLoop.stop();
      LOGGER.info("Stop variable-step game loop.");

      LOGGER.info("Start fixed-step game loop:");
      var fixedStepGameLoop = new FixedStepGameLoop();
      fixedStepGameLoop.run();
      Thread.sleep(GAME_LOOP_DURATION_TIME);
      fixedStepGameLoop.stop();
      LOGGER.info("Stop variable-step game loop.");

    } catch (InterruptedException e) {
      LOGGER.error(e.getMessage());
    }
  }

}
