/*
 * Copyright (C) 2022 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 "accessibility_element_operator_stub.h"
#include "accessibility_element_operator_callback_proxy.h"
#include "hilog_wrapper.h"

#define SWITCH_BEGIN(code) switch (code) {
#define SWITCH_CASE(case_code, func) case case_code:\
    {\
        result_code = func(data, reply);\
        break;\
    }

#define SWITCH_END() default:\
    {\
        result_code = ERR_CODE_DEFAULT;\
        HILOG_WARN("AccessibilityElementOperatorStub::OnRemoteRequest, default case, need check.");\
        break;\
    }\
}

#define ACCESSIBILITY_ELEMENT_OPERATOR_STUB_CASES() \
    SWITCH_CASE(AccessibilityInterfaceCode::SEARCH_BY_ACCESSIBILITY_ID, HandleSearchElementInfoByAccessibilityId)\
    SWITCH_CASE(AccessibilityInterfaceCode::SEARCH_BY_TEXT, HandleSearchElementInfosByText)\
    SWITCH_CASE(AccessibilityInterfaceCode::FIND_FOCUSED_INFO, HandleFindFocusedElementInfo)\
    SWITCH_CASE(AccessibilityInterfaceCode::FOCUS_FIND, HandleFocusFind)\
    SWITCH_CASE(AccessibilityInterfaceCode::PERFORM_ACTION_ELEMENT, HandleExecuteAction)\
    SWITCH_CASE(AccessibilityInterfaceCode::CURSOR_POSITION, HandleGetCursorPosition)\
    SWITCH_CASE(AccessibilityInterfaceCode::CLEAR_FOCUS, HandleClearFocus)\
    SWITCH_CASE(AccessibilityInterfaceCode::OUTSIDE_TOUCH, HandleOutsideTouch)\
    SWITCH_CASE(AccessibilityInterfaceCode::SET_CHILDTREEID, HandleSetChildTreeIdAndWinId)\
    SWITCH_CASE(AccessibilityInterfaceCode::SET_BELONGTREEID, HandleSetBelongTreeId)\
    SWITCH_CASE(AccessibilityInterfaceCode::SET_PARENTWINDOWID, HandleSetParentWindowId)\

namespace OHOS {
namespace Accessibility {
constexpr int32_t ERR_CODE_DEFAULT = -1000;

AccessibilityElementOperatorStub::AccessibilityElementOperatorStub()
{
}

AccessibilityElementOperatorStub::~AccessibilityElementOperatorStub()
{
}

int AccessibilityElementOperatorStub::OnRemoteRequest(uint32_t code, MessageParcel &data,
    MessageParcel &reply, MessageOption &option)
{
    HILOG_DEBUG("cmd = %{public}u, flags = %{public}d", code, option.GetFlags());
    std::u16string descriptor = AccessibilityElementOperatorStub::GetDescriptor();
    std::u16string remoteDescriptor = data.ReadInterfaceToken();
    if (descriptor != remoteDescriptor) {
        HILOG_INFO("local descriptor is not equal to remote");
        return ERR_INVALID_STATE;
    }

    ErrCode result_code = ERR_NONE;
    SWITCH_BEGIN(code)
    ACCESSIBILITY_ELEMENT_OPERATOR_STUB_CASES()
    SWITCH_END()

    if (result_code != ERR_CODE_DEFAULT) {
        return result_code;
    }

    return IPCObjectStub::OnRemoteRequest(code, data, reply, option);
}

ErrCode AccessibilityElementOperatorStub::HandleSearchElementInfoByAccessibilityId(MessageParcel &data,
    MessageParcel &reply)
{
    HILOG_DEBUG();

    int64_t elementId = data.ReadInt64();
    int32_t requestId = data.ReadInt32();
    sptr<IRemoteObject> remote = data.ReadRemoteObject();
    if (remote == nullptr) {
        HILOG_ERROR("remote is nullptr.");
        return ERR_INVALID_VALUE;
    }

    sptr<IAccessibilityElementOperatorCallback> callback = iface_cast<IAccessibilityElementOperatorCallback>(remote);
    if (callback == nullptr) {
        HILOG_ERROR("callback is nullptr");
        return ERR_INVALID_VALUE;
    }
    int32_t mode = data.ReadInt32();
    bool isFilter = data.ReadBool();
    SearchElementInfoByAccessibilityId(elementId, requestId, callback, mode, isFilter);
    return NO_ERROR;
}

ErrCode AccessibilityElementOperatorStub::HandleSearchElementInfosByText(MessageParcel &data,
    MessageParcel &reply)
{
    HILOG_DEBUG();

    int64_t elementId = data.ReadInt64();
    std::string text = data.ReadString();
    int32_t requestId = data.ReadInt32();
    sptr<IRemoteObject> remote = data.ReadRemoteObject();
    if (remote == nullptr) {
        HILOG_ERROR("remote is nullptr.");
        return ERR_INVALID_VALUE;
    }

    sptr<IAccessibilityElementOperatorCallback> callback = iface_cast<IAccessibilityElementOperatorCallback>(remote);
    if (callback == nullptr) {
        HILOG_ERROR("callback is nullptr");
        return ERR_INVALID_VALUE;
    }
    SearchElementInfosByText(elementId, text, requestId, callback);
    return NO_ERROR;
}

ErrCode AccessibilityElementOperatorStub::HandleFindFocusedElementInfo(MessageParcel &data,
    MessageParcel &reply)
{
    HILOG_DEBUG();

    int64_t elementId = data.ReadInt64();
    int32_t focusType = data.ReadInt32();
    int32_t requestId = data.ReadInt32();
    sptr<IRemoteObject> remote = data.ReadRemoteObject();
    if (remote == nullptr) {
        HILOG_ERROR("remote is nullptr.");
        return ERR_INVALID_VALUE;
    }

    sptr<IAccessibilityElementOperatorCallback> callback = iface_cast<IAccessibilityElementOperatorCallback>(remote);
    if (callback == nullptr) {
        HILOG_ERROR("callback is nullptr");
        return ERR_INVALID_VALUE;
    }
    FindFocusedElementInfo(elementId, focusType, requestId, callback);
    return NO_ERROR;
}

ErrCode AccessibilityElementOperatorStub::HandleFocusFind(MessageParcel &data, MessageParcel &reply)
{
    HILOG_DEBUG();

    int64_t elementId = data.ReadInt64();
    int32_t direction = data.ReadInt32();
    int32_t requestId = data.ReadInt32();
    sptr<IRemoteObject> remote = data.ReadRemoteObject();
    if (remote == nullptr) {
        HILOG_ERROR("remote is nullptr.");
        return ERR_INVALID_VALUE;
    }

    sptr<IAccessibilityElementOperatorCallback> callback = iface_cast<IAccessibilityElementOperatorCallback>(remote);
    if (callback == nullptr) {
        HILOG_ERROR("callback is nullptr");
        return ERR_INVALID_VALUE;
    }
    FocusMoveSearch(elementId, direction, requestId, callback);
    return NO_ERROR;
}

ErrCode AccessibilityElementOperatorStub::HandleExecuteAction(MessageParcel &data, MessageParcel &reply)
{
    HILOG_DEBUG();
    std::vector<std::string> argumentKey;
    std::vector<std::string> argumentValue;
    int64_t elementId = data.ReadInt64();
    int32_t action = data.ReadInt32();
    if (!data.ReadStringVector(&argumentKey)) {
        return ERR_TRANSACTION_FAILED;
    }
    if (!data.ReadStringVector(&argumentValue)) {
        return ERR_TRANSACTION_FAILED;
    }
    if (argumentKey.size() != argumentValue.size()) {
        return ERR_TRANSACTION_FAILED;
    }
    std::map<std::string, std::string> arguments;
    for (size_t i = 0;i < argumentKey.size(); i++) {
        arguments.insert(std::pair<std::string, std::string>(argumentKey[i], argumentValue[i]));
    }
    int32_t requestId = data.ReadInt32();
    sptr<IRemoteObject> remote = data.ReadRemoteObject();
    if (remote == nullptr) {
        HILOG_ERROR("remote is nullptr.");
        return ERR_INVALID_VALUE;
    }

    sptr<IAccessibilityElementOperatorCallback> callback = iface_cast<IAccessibilityElementOperatorCallback>(remote);
    if (callback == nullptr) {
        HILOG_ERROR("callback is nullptr");
        return ERR_INVALID_VALUE;
    }
    ExecuteAction(elementId, action, arguments, requestId, callback);
    return NO_ERROR;
}

ErrCode AccessibilityElementOperatorStub::HandleGetCursorPosition(MessageParcel &data, MessageParcel &reply)
{
    HILOG_DEBUG();
    int64_t elementId = data.ReadInt64();
    int32_t requestId = data.ReadInt32();
    sptr<IRemoteObject> remote = data.ReadRemoteObject();
    if (remote == nullptr) {
        HILOG_ERROR("remote is nullptr.");
        return ERR_INVALID_VALUE;
    }

    sptr<IAccessibilityElementOperatorCallback> callback = iface_cast<IAccessibilityElementOperatorCallback>(remote);
    if (callback == nullptr) {
        HILOG_ERROR("callback is nullptr");
        return ERR_INVALID_VALUE;
    }
    GetCursorPosition(elementId, requestId, callback);
    return NO_ERROR;
}

ErrCode AccessibilityElementOperatorStub::HandleClearFocus(MessageParcel &data, MessageParcel &reply)
{
    HILOG_DEBUG();

    ClearFocus();

    return NO_ERROR;
}

ErrCode AccessibilityElementOperatorStub::HandleOutsideTouch(MessageParcel &data, MessageParcel &reply)
{
    HILOG_DEBUG();

    OutsideTouch();

    return NO_ERROR;
}

ErrCode AccessibilityElementOperatorStub::HandleSetChildTreeIdAndWinId(MessageParcel &data, MessageParcel &reply)
{
    HILOG_DEBUG();
    int64_t elementId = data.ReadInt64();
    int32_t treeId = data.ReadInt32();
    int32_t childWindowId = data.ReadInt32();
    SetChildTreeIdAndWinId(elementId, treeId, childWindowId);
    return NO_ERROR;
}

ErrCode AccessibilityElementOperatorStub::HandleSetBelongTreeId(MessageParcel &data, MessageParcel &reply)
{
    HILOG_DEBUG();
    int32_t treeId = data.ReadInt32();

    SetBelongTreeId(treeId);
    return NO_ERROR;
}

ErrCode AccessibilityElementOperatorStub::HandleSetParentWindowId(MessageParcel &data, MessageParcel &reply)
{
    HILOG_DEBUG();
    int32_t iParentWindowId = data.ReadInt32();

    SetParentWindowId(iParentWindowId);
    return NO_ERROR;
}
} // namespace Accessibility
} // namespace OHOS