//
//  GBPing.h
//

#import <Foundation/Foundation.h>

#import "GBPingSummary.h"

@class GBPingSummary;
@protocol GBPingDelegate;

NS_ASSUME_NONNULL_BEGIN

typedef void (^StartupCallback)(BOOL success, NSError *_Nullable error);

@interface GBPing : NSObject

@property (weak, nonatomic, nullable) id<GBPingDelegate>      delegate;

@property (copy, nonatomic, nullable) NSString *host;
@property (assign, atomic) NSTimeInterval pingPeriod;
@property (assign, atomic) NSTimeInterval timeout;
@property (assign, atomic) NSUInteger payloadSize;
@property (assign, atomic) NSUInteger ttl;
@property (assign, atomic, readonly) BOOL isPinging;
@property (assign, atomic, readonly) BOOL isReady;

@property (assign, atomic) BOOL debug;

- (void)setupWithBlock:(StartupCallback)callback;
- (void)startPingingWithBlock:(void (^)(GBPingSummary *))successBlock fail:(void (^)(NSError *))failBlock;
- (void)stop;

@end

@protocol GBPingDelegate <NSObject>

@optional

- (void)ping:(GBPing *)pinger didFailWithError:(NSError *)error;

- (void)ping:(GBPing *)pinger didSendPingWithSummary:(GBPingSummary *)summary;
- (void)ping:(GBPing *)pinger didFailToSendPingWithSummary:(GBPingSummary *)summary error:(NSError *)error;
- (void)ping:(GBPing *)pinger didTimeoutWithSummary:(GBPingSummary *)summary;
- (void)ping:(GBPing *)pinger didReceiveReplyWithSummary:(GBPingSummary *)summary;
- (void)ping:(GBPing *)pinger didReceiveUnexpectedReplyWithSummary:(GBPingSummary *)summary;

@end

NS_ASSUME_NONNULL_END