//
//  MHTimer.h
//
//  Created by Michael Helvey on 2/9/16.
//  Copyright © 2016 Michael Helvey. All rights reserved.
//

#import <Foundation/Foundation.h>

@protocol MHTimerDelegate <NSObject>

/**
 *  Notifies delegate of timer change
 *
 *  @param timer The MHTimer object
 */
@optional
- (void)timerValueUpdatedWithTimer:(id)timer;

@end

@interface MHTimer : NSObject

@property id<MHTimerDelegate> delegate;

/**
 *  The value of the timer, in seconds
 */
@property NSUInteger value;

/**
 *  Creates a singleton instance of a timer for use throughout an application
 *
 *  @return A shared MHTimer instance.
 */
+ (instancetype)sharedTimer;

/**
 *  Starts the timer.
 */
- (void)start;

/**
 *  Stops the timer.
 */
- (void)stop;

/**
 *  Resets the value of the timer back to zero.
 */
- (void)reset;

@end