/*
* Copyright (C) 2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/

#import "config.h"

#import "PlatformUtilities.h"
#import "Test.h"

#import <WebKit/WKProcessPoolPrivate.h>
#import <WebKit/WKUserContentControllerPrivate.h>
#import <WebKit/WKWebViewConfigurationPrivate.h>
#import <WebKit/WebKit.h>
#import <WebKit/_WKProcessPoolConfiguration.h>
#import <wtf/RetainPtr.h>

#if PLATFORM(IOS_FAMILY)

static bool receivedScriptMessage;
static bool idbAcitivitiesStarted;
static RetainPtr<WKScriptMessage> lastScriptMessage;

@interface IndexedDBSuspendImminentlyMessageHandler : NSObject <WKScriptMessageHandler>
@end

@implementation IndexedDBSuspendImminentlyMessageHandler

- (void)userContentController:(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message
{
    idbAcitivitiesStarted = true;
    receivedScriptMessage = true;
    lastScriptMessage = message;
}

@end

static void runTestAndCheckResult(NSString* expectedResult)
{
    receivedScriptMessage = false;
    TestWebKitAPI::Util::run(&receivedScriptMessage);
    RetainPtr<NSString> string = (NSString *)[lastScriptMessage body];
    EXPECT_WK_STREQ(expectedResult, string.get());
}

static void keepNetworkProcessActive()
{
    [[WKWebsiteDataStore defaultDataStore] fetchDataRecordsOfTypes:[WKWebsiteDataStore allWebsiteDataTypes] completionHandler:^(NSArray<WKWebsiteDataRecord *> *dataRecords) {
        if (!idbAcitivitiesStarted)
            keepNetworkProcessActive();
    }];
}

TEST(IndexedDB, IndexedDBSuspendImminently)
{
    auto handler = adoptNS([[IndexedDBSuspendImminentlyMessageHandler alloc] init]);
    auto configuration = adoptNS([[WKWebViewConfiguration alloc] init]);
    [[configuration userContentController] addScriptMessageHandler:handler.get() name:@"testHandler"];

    auto webView = adoptNS([[WKWebView alloc] initWithFrame:NSMakeRect(0, 0, 800, 600) configuration:configuration.get()]);

    NSURLRequest *request = [NSURLRequest requestWithURL:[[NSBundle mainBundle] URLForResource:@"IndexedDBSuspendImminently" withExtension:@"html" subdirectory:@"TestWebKitAPI.resources"]];
    idbAcitivitiesStarted = false;
    [webView loadRequest:request];

    keepNetworkProcessActive();

    runTestAndCheckResult(@"Continue");

    [configuration.get().processPool _sendNetworkProcessWillSuspendImminently];
    [configuration.get().processPool _sendNetworkProcessDidResume];

    runTestAndCheckResult(@"Expected Abort For Suspension");
    runTestAndCheckResult(@"Expected Success After Resume");
}

#endif // PLATFORM(IOS_FAMILY)