/*
 * Copyright (c) 2023 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 <cstddef>
#include <cstdint>
#define private public
#include "concurrent_task_client.h"
#undef private
#include "concurrent_task_service_proxy.h"
#include "concurrent_task_service.h"
#include "securec.h"
#include "qos.h"
#include "concurrent_task_client.h"
#include "concurrent_fuzzer.h"
using namespace OHOS::ConcurrentTask;
using namespace OHOS::QOS;

namespace OHOS {
const uint8_t *g_baseFuzzData = nullptr;
size_t g_baseFuzzSize = 0;
size_t g_baseFuzzPos;

namespace {
    constexpr int TEST_DATA_FIRST = 1;
    constexpr int TEST_DATA_SECOND = 2;
    constexpr int TEST_DATA_THIRD = 3;
    constexpr int TEST_DATA_FOURTH = 4;
    constexpr int TEST_DATA_FIFTH = 5;
    constexpr int TEST_DATA_SIXTH = 6;
    constexpr int TEST_DATA_SEVENTH = 7;
    constexpr int TEST_DATA_EIGHTH = 8;
    constexpr int TEST_DATA_TENTH = 10;
}
template <class T> T GetData()
{
    T object{};
    size_t objectSize = sizeof(object);
    if (g_baseFuzzData == nullptr || objectSize > g_baseFuzzSize - g_baseFuzzPos) {
        return object;
    }
    ErrCode ret = memcpy_s(&object, objectSize, g_baseFuzzData + g_baseFuzzPos, objectSize);
    if (ret != ERR_OK) {
        return {};
    }
    g_baseFuzzPos += objectSize;
    return object;
}

bool FuzzConcurrentTaskTryConnect(const uint8_t* data, size_t size)
{
    if (data == nullptr) {
        return false;
    }
    if (size < sizeof(int32_t)) {
        return false;
    }
    return ConcurrentTaskClient::GetInstance().TryConnect() == ERR_OK;
}

bool FuzzConcurrentTaskServiceReportData(const uint8_t* data, size_t size)
{
    g_baseFuzzData = data;
    g_baseFuzzSize = size;
    g_baseFuzzPos = 0;
    if (size > sizeof(int) + sizeof(int)) {
        MessageParcel data1;
        Parcel parcel;
        sptr<IRemoteObject> iremoteobject = IRemoteObject::Unmarshalling(parcel);
        int intdata = GetData<int>();
        void *voiddata = &intdata;
        size_t size1 = sizeof(int);
        data1.WriteRemoteObject(iremoteobject);
        data1.WriteRawData(voiddata, size1);
        data1.ReadRawData(size1);
        MessageParcel reply;
        MessageOption option;
        uint32_t code = static_cast<uint32_t>(ConcurrentTaskInterfaceCode::REPORT_DATA);
        ConcurrentTaskService s = ConcurrentTaskService();
        s.OnRemoteRequest(code, data1, reply, option);
    }
    return true;
}

bool FuzzConcurrentTaskServiceQueryInterval(const uint8_t* data, size_t size)
{
    g_baseFuzzData = data;
    g_baseFuzzSize = size;
    g_baseFuzzPos = 0;
    if (size > sizeof(int) + sizeof(int)) {
        MessageParcel data1;
        Parcel parcel;
        sptr<IRemoteObject> iremoteobject = IRemoteObject::Unmarshalling(parcel);
        int intdata = GetData<int>();
        void *voiddata = &intdata;
        size_t size1 = sizeof(int);
        data1.WriteRemoteObject(iremoteobject);
        data1.WriteRawData(voiddata, size1);
        data1.ReadRawData(size1);
        MessageParcel reply;
        MessageOption option;
        uint32_t code = static_cast<uint32_t>(ConcurrentTaskInterfaceCode::QUERY_INTERVAL);
        ConcurrentTaskService s = ConcurrentTaskService();
        s.OnRemoteRequest(code, data1, reply, option);
    }
    return true;
}

bool FuzzConcurrentTaskServiceQueryDeadline(const uint8_t* data, size_t size)
{
    g_baseFuzzData = data;
    g_baseFuzzSize = size;
    g_baseFuzzPos = 0;
    if (size > sizeof(int) + sizeof(int)) {
        MessageParcel data1;
        Parcel parcel;
        sptr<IRemoteObject> iremoteobject = IRemoteObject::Unmarshalling(parcel);
        int intdata = GetData<int>();
        void *voiddata = &intdata;
        size_t size1 = sizeof(int);
        data1.WriteRemoteObject(iremoteobject);
        data1.WriteRawData(voiddata, size1);
        data1.ReadRawData(size1);
        MessageParcel reply;
        MessageOption option;
        uint32_t code = static_cast<uint32_t>(ConcurrentTaskInterfaceCode::QUERY_DEADLINE);
        ConcurrentTaskService s = ConcurrentTaskService();
        s.OnRemoteRequest(code, data1, reply, option);
    }
    return true;
}

bool FuzzConcurrentTaskServiceRequestAuth(const uint8_t* data, size_t size)
{
    g_baseFuzzData = data;
    g_baseFuzzSize = size;
    g_baseFuzzPos = 0;
    if (size > sizeof(int) + sizeof(int)) {
        MessageParcel data1;
        Parcel parcel;
        sptr<IRemoteObject> iremoteobject = IRemoteObject::Unmarshalling(parcel);
        int intdata = GetData<int>();
        void *voiddata = &intdata;
        size_t size1 = sizeof(int);
        data1.WriteRemoteObject(iremoteobject);
        data1.WriteRawData(voiddata, size1);
        data1.ReadRawData(size1);
        MessageParcel reply;
        MessageOption option;
        uint32_t code = static_cast<uint32_t>(ConcurrentTaskInterfaceCode::REQUEST_AUTH);
        ConcurrentTaskService s = ConcurrentTaskService();
        s.OnRemoteRequest(code, data1, reply, option);
    }
    return true;
}

bool FuzzConcurrentTaskServiceStopRemoteObject(const uint8_t* data, size_t size)
{
    g_baseFuzzData = data;
    g_baseFuzzSize = size;
    g_baseFuzzPos = 0;
    ConcurrentTaskClient::GetInstance().StopRemoteObject();
    return true;
}

bool FuzzConcurrentTaskServiceSetThreadQos(const uint8_t* data, size_t size)
{
    g_baseFuzzData = data;
    g_baseFuzzSize = size;
    g_baseFuzzPos = 0;
    if (size > sizeof(int) + sizeof(int)) {
        int level = GetData<int>();
        level = level % TEST_DATA_TENTH;
        if (level == TEST_DATA_FIFTH || level == TEST_DATA_SECOND) {
            QOS::SetThreadQos(QOS::QosLevel::QOS_BACKGROUND);
        } else if (level == TEST_DATA_THIRD || level == TEST_DATA_FOURTH) {
            QOS::SetThreadQos(QOS::QosLevel::QOS_UTILITY);
        } else if (level == TEST_DATA_FIFTH || level == TEST_DATA_SIXTH) {
            QOS::SetThreadQos(QOS::QosLevel::QOS_DEFAULT);
        } else if (level == TEST_DATA_SEVENTH || level == TEST_DATA_EIGHTH) {
            QOS::SetThreadQos(QOS::QosLevel::QOS_USER_INITIATED);
        }
    }
    return true;
}

bool FuzzConcurrentTaskServiceSetQosForOtherThread(const uint8_t* data, size_t size)
{
    g_baseFuzzData = data;
    g_baseFuzzSize = size;
    g_baseFuzzPos = 0;
    if (size > sizeof(int) + sizeof(int)) {
        int level = GetData<int>();
        int tid = GetData<int>();
        level = level % TEST_DATA_TENTH;
        if (level == TEST_DATA_FIRST || level == TEST_DATA_SECOND) {
            QOS::SetQosForOtherThread(QOS::QosLevel::QOS_BACKGROUND, tid);
        } else if (level == TEST_DATA_THIRD || level == TEST_DATA_FOURTH) {
            QOS::SetQosForOtherThread(QOS::QosLevel::QOS_UTILITY, tid);
        } else if (level == TEST_DATA_FIFTH || level == TEST_DATA_SIXTH) {
            QOS::SetQosForOtherThread(QOS::QosLevel::QOS_DEFAULT, tid);
        } else if (level == TEST_DATA_SEVENTH || level == TEST_DATA_EIGHTH) {
            QOS::SetQosForOtherThread(QOS::QosLevel::QOS_USER_INITIATED, tid);
        }
    }
    return true;
}

bool FuzzConcurrentTaskServiceResetThreadQos(const uint8_t* data, size_t size)
{
    g_baseFuzzData = data;
    g_baseFuzzSize = size;
    g_baseFuzzPos = 0;
    QOS::ResetThreadQos();
    return true;
}

bool FuzzConcurrentTaskServiceResetQosForOtherThread(const uint8_t* data, size_t size)
{
    g_baseFuzzData = data;
    g_baseFuzzSize = size;
    g_baseFuzzPos = 0;
    if (size > sizeof(int) + sizeof(int)) {
        int tid = GetData<int>();
        QOS::ResetQosForOtherThread(tid);
    }
    return true;
}
} // namespace OHOS

/* Fuzzer entry point */
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
    /* Run your code on data */
    OHOS::FuzzConcurrentTaskTryConnect(data, size);
    OHOS::FuzzConcurrentTaskServiceReportData(data, size);
    OHOS::FuzzConcurrentTaskServiceRequestAuth(data, size);
    OHOS::FuzzConcurrentTaskServiceQueryInterval(data, size);
    OHOS::FuzzConcurrentTaskServiceStopRemoteObject(data, size);
    OHOS::FuzzConcurrentTaskServiceSetThreadQos(data, size);
    OHOS::FuzzConcurrentTaskServiceSetQosForOtherThread(data, size);
    OHOS::FuzzConcurrentTaskServiceResetThreadQos(data, size);
    OHOS::FuzzConcurrentTaskServiceResetQosForOtherThread(data, size);
    OHOS::FuzzConcurrentTaskServiceQueryDeadline(data, size);
    return 0;
}