//
//  HKAnchoredObjectQuery.h
//  HealthKit
//
//  Copyright © 2014-2022 Apple Inc. All rights reserved.
//

#import <Foundation/Foundation.h>
#import <HealthKit/HKDefines.h>
#import <HealthKit/HKQuery.h>
#import <HealthKit/HKQueryAnchor.h>
#import <HealthKit/HKQueryDescriptor.h>

@class HKDeletedObject;

NS_ASSUME_NONNULL_BEGIN

#define HKAnchoredObjectQueryNoAnchor (0)

/*!
 @class         HKAnchoredObjectQuery
 @discussion    This query can be used by an application to find out about new or deleted samples in the HealthKit
                database.
 */
HK_EXTERN
NS_SWIFT_SENDABLE
#if defined(__swift__) && __swift__
API_DEPRECATED("Use HKAnchoredObjectQueryDescriptor", ios(8.0, API_TO_BE_DEPRECATED), watchos(2.0, API_TO_BE_DEPRECATED));
#else
API_AVAILABLE(ios(8.0), watchos(2.0), macCatalyst(13.0), macos(13.0))
#endif
@interface HKAnchoredObjectQuery : HKQuery

/*!
 @property      updateHandler
 @abstract      An optional handler to be called when samples matching the given predicate are added or deleted.
 @discussion    This property may not be modified once the query has been executed.  It may only be set if the query has
                no limit.
 */
@property (nonatomic, copy, nullable) void(^NS_SWIFT_SENDABLE updateHandler)(HKAnchoredObjectQuery *query, NSArray<__kindof HKSample *> * _Nullable addedObjects, NSArray<HKDeletedObject *> * _Nullable deletedObjects, HKQueryAnchor * _Nullable newAnchor, NSError * _Nullable error) API_AVAILABLE(ios(9.0), watchos(2.0));

/*!
 @method        initWithType:predicate:anchor:limit:resultsHandler:
 @abstract      Returns a query that will retrieve HKSamples and HKDeletedObjects matching the given predicate that are
                newer than the given anchor.
 @discussion    If no updateHandler is set on the query, the query will automatically stop after calling resultsHandler.
                Otherwise, the query continues to run and call updateHandler as samples matching the predicate are
                created or deleted.
 
 @param         type            The type of sample to retrieve.
 @param         predicate       The predicate which samples should match.
 @param         anchor          The anchor which was returned by a previous HKAnchoredObjectQuery result or update
                                handler.  Pass nil when querying for the first time.
 @param         limit           The maximum number of samples and deleted objects to return.  Pass HKObjectQueryNoLimit
                                for no limit.
 @param         handler         The block to invoke with results when the query has finished finding.
 */
- (instancetype)initWithType:(HKSampleType *)type
                   predicate:(nullable NSPredicate *)predicate
                      anchor:(nullable HKQueryAnchor *)anchor
                       limit:(NSUInteger)limit
              resultsHandler:(void(^NS_SWIFT_SENDABLE)(HKAnchoredObjectQuery *query, NSArray<__kindof HKSample *> * _Nullable sampleObjects, NSArray<HKDeletedObject *> * _Nullable deletedObjects, HKQueryAnchor * _Nullable newAnchor, NSError * _Nullable error))handler API_AVAILABLE(ios(9.0), watchos(2.0), macCatalyst(13.0), macos(13.0));

- (instancetype)initWithType:(HKSampleType *)type
                   predicate:(nullable NSPredicate *)predicate
                      anchor:(NSUInteger)anchor
                       limit:(NSUInteger)limit
           completionHandler:(void(^NS_SWIFT_SENDABLE)(HKAnchoredObjectQuery *query, NSArray<__kindof HKSample *> * __nullable results, NSUInteger newAnchor, NSError * __nullable error))handler API_DEPRECATED_WITH_REPLACEMENT("initWithType:predicate:anchor:limit:resultsHandler:", ios(8.0, 9.0));

/*!
 @method        initWithQueryDescriptors:anchor:limit:resultsHandler
 @abstract      Returns a query that will retrieve HKSamples and HKDeletedObjects matching the given query descriptors
                that are newer than the given anchor.
 @discussion    If no updateHandler is set on the query, the query will automatically stop after calling resultsHandler.
                Otherwise, the query continues to run and call updateHandler as samples matching the query descriptors
                are created or deleted.
 
 @param         queryDescriptors   An array of query descriptors that describes the sample types and predicates that
                                   you are interested in getting notified for.
 @param         anchor             The anchor which was returned by a previous HKAnchoredObjectQuery result or update
                                   handler.  Pass nil when querying for the first time.
 @param         limit              The maximum number of samples and deleted objects to return. Pass
                                   HKObjectQueryNoLimit for no limit.
 @param         handler            The block to invoke with results when the query has finished finding.
*/
- (instancetype)initWithQueryDescriptors:(NSArray<HKQueryDescriptor *> *)queryDescriptors
                                  anchor:(nullable HKQueryAnchor *)anchor
                                   limit:(NSInteger)limit
                          resultsHandler:(void(^NS_SWIFT_SENDABLE)(HKAnchoredObjectQuery *query, NSArray<__kindof HKSample *> * _Nullable sampleObjects, NSArray<HKDeletedObject *> * _Nullable deletedObjects, HKQueryAnchor * _Nullable newAnchor, NSError * _Nullable error))handler API_AVAILABLE(ios(15.0), watchos(8.0), macCatalyst(15.0), macos(13.0));

@end

NS_ASSUME_NONNULL_END
