//
//  TWTRNetworkingPipelinePackage.h
//  TwitterKit
//
//  Created by Chase Latta on 6/22/15.
//  Copyright (c) 2015 Twitter. All rights reserved.
//

#import <TwitterCore/TWTRSessionStore.h>
#import "TWTRNetworkingPipeline.h"

NS_ASSUME_NONNULL_BEGIN

@interface TWTRNetworkingPipelinePackage : NSObject <NSCopying>

/**
 * The URL request object that will be executed by this package.
 */
@property (nonatomic, copy, readonly) NSURLRequest *request;

/**
 * The session store that will be used by the package to provide session information.
 */
@property (nonatomic, readonly) id<TWTRSessionStore> sessionStore;

/**
 * The userID associated with this package or nil to signify that
 * the guest session should be used.
 */
@property (nonatomic, copy, readonly, nullable) NSString *userID;

/**
 The calback block to execute when the request is finished or fails.
 */
@property (nonatomic, copy, readonly, nullable) TWTRNetworkingPipelineCallback callback;

/**
 A counter to track the attempts (with retries) of the request operation associated with the this package. It can be useful
 to avoid retrying a request indefinitely (stop after certain threshold). It starts with 1
 */
@property (nonatomic, readonly) NSInteger attemptCounter;

/**
 * A UUI associated with this package.
 */
@property (nonatomic, readonly) NSUUID *UUID;

- (instancetype)initWithRequest:(NSURLRequest *)request sessionStore:(id<TWTRSessionStore>)sessionStore userID:(nullable NSString *)userID completion:(nullable TWTRNetworkingPipelineCallback)callback NS_DESIGNATED_INITIALIZER;

+ (instancetype)packageWithRequest:(NSURLRequest *)request sessionStore:(id<TWTRSessionStore>)sessionStore userID:(nullable NSString *)userID completion:(nullable TWTRNetworkingPipelineCallback)callback;

/*
  Create a copy of current package instance with attemptCounter being added by one. current package object remain unchanged.
 */
- (instancetype)copyForRetry;

- (instancetype)init NS_UNAVAILABLE;

@end

NS_ASSUME_NONNULL_END