/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 * All rights reserved.
 *
 * This source code is licensed under the license found in the
 * LICENSE file in the root directory of this source tree.
 */

#import <Foundation/Foundation.h>

#import <FBSDKCoreKit/FBSDKGraphRequestFlags.h>
#import <FBSDKCoreKit/FBSDKGraphRequestHTTPMethod.h>

NS_ASSUME_NONNULL_BEGIN

@class FBSDKGraphRequestConnection;
@protocol FBSDKGraphRequestConnecting;

typedef void (^FBSDKGraphRequestCompletion)(id<FBSDKGraphRequestConnecting> _Nullable connection,
                                            id _Nullable result,
                                            NSError *_Nullable error);

typedef void (^FBSDKGraphRequestBlock)(FBSDKGraphRequestConnection *_Nullable connection,
                                       id _Nullable result,
                                       NSError *_Nullable error);

/// A protocol to describe anything that represents a graph request
NS_SWIFT_NAME(GraphRequestProtocol)
@protocol FBSDKGraphRequest

/// The request parameters.
@property (nonatomic, copy) NSDictionary<NSString *, id> *parameters;

/// The access token string used by the request.
@property (nullable, nonatomic, readonly, copy) NSString *tokenString;

/// The Graph API endpoint to use for the request, for example "me".
@property (nonatomic, readonly, copy) NSString *graphPath;

/// The HTTPMethod to use for the request, for example "GET" or "POST".
@property (nonatomic, readonly, copy) FBSDKHTTPMethod HTTPMethod;

/// The Graph API version to use (e.g., "v2.0")
@property (nonatomic, readonly, copy) NSString *version;

/// The graph request flags to use
@property (nonatomic, readonly, assign) FBSDKGraphRequestFlags flags;

/// Convenience property to determine if graph error recover is disabled
@property (nonatomic, getter = isGraphErrorRecoveryDisabled) BOOL graphErrorRecoveryDisabled;

/// Convenience property to determine if the request has attachments
@property (nonatomic, readonly) BOOL hasAttachments;

/**
 Starts a connection to the Graph API.
 @param completion The handler block to call when the request completes.
 */
- (id<FBSDKGraphRequestConnecting>)startWithCompletion:(nullable FBSDKGraphRequestCompletion)completion;

/// A formatted description of the graph request
- (NSString *)formattedDescription;

@end

NS_ASSUME_NONNULL_END