#import <QuartzCore/QuartzCore.h>
#import <AudioToolbox/AudioToolbox.h>

// 摇一摇开始
- (void)motionBegan:(UIEventSubtype)motion withEvent:(nullable UIEvent *)event NS_AVAILABLE_IOS(3_0);
// 摇一摇结束
- (void)motionEnded:(UIEventSubtype)motion withEvent:(nullable UIEvent *)event NS_AVAILABLE_IOS(3_0);
// 摇一摇取消
- (void)motionCancelled:(UIEventSubtype)motion withEvent:(nullable UIEvent *)event NS_AVAILABLE_IOS(3_0);

- (BOOL)canBecomeFirstResponder {
  return YES;
}

// 摇动开始
- (void)motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event {
  AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
}

// 摇动结束
- (void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event {

  if (motion ==UIEventSubtypeMotionShake ) {

    // 1.添加摇动动画
    // 见第四点, 推荐第四点的方法二

    // 2.设置播放音效
    SystemSoundID soundID; 
    NSString *path = [[NSBundle mainBundle ] pathForResource:@"shake_sound_male" ofType:@"wav"];
    AudioServicesCreateSystemSoundID((__bridge CFURLRef)[NSURL fileURLWithPath:path], &soundID);
    // 添加摇动声音
    AudioServicesPlaySystemSound (soundID);

    // 3.设置震动
    AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);
  }
}

- (void)addAnimations {

  // 让imgup上下移动
  CABasicAnimation *translation2 = [CABasicAnimation animationWithKeyPath:@"position"];
  translation2.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
  translation2.fromValue = [NSValue valueWithCGPoint:CGPointMake(160, 115)];
  translation2.toValue = [NSValue valueWithCGPoint:CGPointMake(160, 40)];
  translation2.duration = 0.5;
  translation2.repeatCount = 1;
  translation2.autoreverses = YES;

  // 让imagdown上下移动
  CABasicAnimation *translation = [CABasicAnimation animationWithKeyPath:@"position"];
  translation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
  translation.fromValue = [NSValue valueWithCGPoint:CGPointMake(160, 345)];
  translation.toValue = [NSValue valueWithCGPoint:CGPointMake(160, 420)];
  translation.duration = 0.5;
  translation.repeatCount = 1;
  translation.autoreverses = YES;

  [self.imgDown.layer addAnimation:translation forKey:@"translation"];
  [self.imgUp.layer addAnimation:translation2 forKey:@"translation2"];
}

/**
 * 摇动开始
 */
- (void)motionBegan:(UIEventSubtype)motion withEvent:(UIEvent *)event {

  NSLog(@"开始摇了");

  // 菊花显示并开始转动
  self.aiLoad.hidden = NO;
  [self.aiLoad startAnimating];

  AudioServicesPlaySystemSound(kSystemSoundID_Vibrate);

  CGFloat offset = self.bgImgView.height * 0.5;
  CGFloat duration = 0.4;
  [UIView animateWithDuration:duration animations:^{
    self.imgUp.y -= offset;
    self.imgDown.y += offset;
  }];
}

/**
 * 摇动结束
 */
- (void)motionEnded:(UIEventSubtype)motion withEvent:(UIEvent *)event {

  NSLog(@"摇动结束");

  // 不是摇一摇事件则返回
  if (motion != UIEventSubtypeMotionShake) return;

  // 1.添加摇动动画
  CGFloat offset = self.bgImgView.height * 0.5;
  CGFloat duration = 0.4;
  [UIView animateWithDuration:duration animations:^{
    self.imgUp.y += offset;
    self.imgDown.y -= offset;
  }];

  // 菊花暂停转动并隐藏
  [self.aiLoad stopAnimating];
  self.aiLoad.hidden = YES;
}