/*
 * Copyright (c) 2025 Huawei Device Co., Ltd.
 * 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.
 */

#include "multiinstanceutils_fuzzer.h"

#include <cstddef>
#include <cstdint>
#include <fuzzer/FuzzedDataProvider.h>

#include "ability_fuzz_util.h"
#include "multi_instance_utils.h"

using namespace OHOS::AAFwk;
using namespace OHOS::AppExecFwk;

namespace OHOS {
namespace {
constexpr size_t STRING_MAX_LENGTH = 128;
}

bool DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
{
    FuzzedDataProvider fdp(data, size);
    ElementName elementName;
    AbilityFuzzUtil::GenerateElementName(fdp, elementName);
    Want want;
    want.SetElement(elementName);
    AbilityRequest abilityRequest;
    AbilityFuzzUtil::GetRandomAbilityRequestInfo(fdp, abilityRequest);
    AppExecFwk::ApplicationInfo appInfo;
    AbilityFuzzUtil::GetRandomApplicationInfo(fdp, appInfo);
    std::string key = fdp.ConsumeRandomLengthString();
    std::string bundleName = fdp.ConsumeRandomLengthString(STRING_MAX_LENGTH);
    int32_t extensionType =
        fdp.ConsumeIntegralInRange<int32_t>(0, static_cast<int32_t>(ExtensionAbilityType::AWC_NEWSFEED));

    MultiInstanceUtils::GetInstanceKey(want);
    MultiInstanceUtils::GetValidExtensionInstanceKey(abilityRequest);
    MultiInstanceUtils::GetSelfCallerInstanceKey(abilityRequest);
    MultiInstanceUtils::IsDefaultInstanceKey(key);
    MultiInstanceUtils::IsMultiInstanceApp(appInfo);
    MultiInstanceUtils::IsSupportedExtensionType(static_cast<ExtensionAbilityType>(extensionType));
    MultiInstanceUtils::IsInstanceKeyExist(bundleName, key);

    return true;
}
}

/* Fuzzer entry point */
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
{
    // Run your code on data.
    OHOS::DoSomethingInterestingWithMyAPI(data, size);
    return 0;
}