/*
 * Copyright 2019 Google
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#import "GDTCORTests/Unit/GDTCORTestCase.h"

#import <GoogleDataTransport/GDTCORClock.h>
#import <GoogleDataTransport/GDTCORStoredEvent.h>

@interface GDTCORStoredEventTest : GDTCORTestCase

@end

@implementation GDTCORStoredEventTest

/** Tests the default initializer. */
- (void)testInit {
  GDTCOREvent *event = [[GDTCOREvent alloc] initWithMappingID:@"testing" target:1];
  event.clockSnapshot = [GDTCORClock snapshot];
  GDTCORDataFuture *dataFuture =
      [[GDTCORDataFuture alloc] initWithFileURL:[NSURL URLWithString:@"1"]];
  GDTCORStoredEvent *storedEvent = [[GDTCORStoredEvent alloc] initWithEvent:event
                                                                 dataFuture:dataFuture];
  XCTAssertNotNil(storedEvent);
}

/** Tests encoding and decoding. */
- (void)testNSSecureCoding {
  XCTAssertTrue([GDTCORStoredEvent supportsSecureCoding]);
  GDTCOREvent *event = [[GDTCOREvent alloc] initWithMappingID:@"testing" target:1];
  event.clockSnapshot = [GDTCORClock snapshot];
  event.qosTier = GDTCOREventQoSTelemetry;
  GDTCORDataFuture *dataFuture =
      [[GDTCORDataFuture alloc] initWithFileURL:[NSURL URLWithString:@"1"]];
  GDTCORStoredEvent *storedEvent = [[GDTCORStoredEvent alloc] initWithEvent:event
                                                                 dataFuture:dataFuture];
  XCTAssertNotNil(storedEvent);
  XCTAssertNotNil(storedEvent.mappingID);
  XCTAssertNotNil(storedEvent.target);
  XCTAssertEqual(storedEvent.qosTier, GDTCOREventQoSTelemetry);
  XCTAssertNotNil(storedEvent.clockSnapshot);
  XCTAssertNil(storedEvent.customPrioritizationParams);
  XCTAssertNotNil(storedEvent.dataFuture.fileURL);
}

/** Tests equality between GDTCORStoredEvents. */
- (void)testIsEqualAndHash {
  GDTCOREvent *event1 = [[GDTCOREvent alloc] initWithMappingID:@"1018" target:1];
  event1.clockSnapshot = [GDTCORClock snapshot];
  [event1.clockSnapshot setValue:@(1553534573010) forKeyPath:@"timeMillis"];
  [event1.clockSnapshot setValue:@(-25200) forKeyPath:@"timezoneOffsetSeconds"];
  [event1.clockSnapshot setValue:@(1552576634359451) forKeyPath:@"kernelBootTime"];
  [event1.clockSnapshot setValue:@(961141365197) forKeyPath:@"uptime"];
  event1.qosTier = GDTCOREventQosDefault;
  event1.customPrioritizationParams = @{@"customParam1" : @"aValue1"};
  GDTCORDataFuture *dataFuture1 =
      [[GDTCORDataFuture alloc] initWithFileURL:[NSURL fileURLWithPath:@"/tmp/fake.txt"]];
  GDTCORStoredEvent *storedEvent1 = [[GDTCORStoredEvent alloc] initWithEvent:event1
                                                                  dataFuture:dataFuture1];

  GDTCOREvent *event2 = [[GDTCOREvent alloc] initWithMappingID:@"1018" target:1];
  event2.clockSnapshot = [GDTCORClock snapshot];
  [event2.clockSnapshot setValue:@(1553534573010) forKeyPath:@"timeMillis"];
  [event2.clockSnapshot setValue:@(-25200) forKeyPath:@"timezoneOffsetSeconds"];
  [event2.clockSnapshot setValue:@(1552576634359451) forKeyPath:@"kernelBootTime"];
  [event2.clockSnapshot setValue:@(961141365197) forKeyPath:@"uptime"];
  event2.qosTier = GDTCOREventQosDefault;
  event2.customPrioritizationParams = @{@"customParam1" : @"aValue1"};
  GDTCORDataFuture *dataFuture2 =
      [[GDTCORDataFuture alloc] initWithFileURL:[NSURL fileURLWithPath:@"/tmp/fake.txt"]];
  GDTCORStoredEvent *storedEvent2 = [[GDTCORStoredEvent alloc] initWithEvent:event2
                                                                  dataFuture:dataFuture2];

  XCTAssertEqual([storedEvent1 hash], [storedEvent2 hash]);
  XCTAssertEqualObjects(storedEvent1, storedEvent2);

  // This only really tests that changing the timezoneOffsetSeconds value causes a change in hash.
  [storedEvent2.clockSnapshot setValue:@(-25201) forKeyPath:@"timezoneOffsetSeconds"];

  XCTAssertNotEqual([storedEvent1 hash], [storedEvent2 hash]);
  XCTAssertNotEqualObjects(storedEvent1, storedEvent2);
}

@end