/*
 * Copyright (c) 2021 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.
 */

#ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_BACKEND_H
#define FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_BACKEND_H

#include "base/memory/ace_type.h"
#include "base/resource/asset_manager.h"
#include "base/thread/task_executor.h"
#include "core/common/js_message_dispatcher.h"

namespace OHOS::Ace {

enum class BackendType { SERVICE, DATA, FORM };

class ACE_EXPORT Backend : public AceType {
    DECLARE_ACE_TYPE(Backend, AceType);

public:
    Backend() = default;
    ~Backend() override = default;

    enum class State { ON_CREATE, ON_DESTROY };

    static RefPtr<Backend> Create();

    virtual bool Initialize(BackendType type, const RefPtr<TaskExecutor>& taskExecutor) = 0;

    virtual void LoadEngine(const char* libName, int32_t instanceId) = 0;

    virtual void MethodChannel(const std::string& methodName, std::string& jsonStr) = 0;

    virtual void RunPa(const std::string &url) = 0;

    virtual void OnCommand(const std::string& intent, int startId) = 0;

    virtual void SetAssetManager(const RefPtr<AssetManager> &assetManager) = 0;

    virtual void SetJsMessageDispatcher(const RefPtr<JsMessageDispatcher> &transfer) const = 0;

    virtual void TransferJsResponseData(int32_t callbackId, int32_t code, std::vector<uint8_t>&& data) const = 0;

    virtual void TransferJsPluginGetError(int32_t callbackId, int32_t errorCode, std::string&& errorMessage) const = 0;

    virtual void TransferJsEventData(int32_t callbackId, int32_t code, std::vector<uint8_t>&& data) const = 0;

    virtual void LoadPluginJsCode(std::string&& jsCode) const = 0;

    virtual void LoadPluginJsByteCode(std::vector<uint8_t>&& jsCode, std::vector<int32_t>&& jsCodeLen) const = 0;

    virtual BackendType GetType() = 0;

    // inform the frontend that onCreate or onDestroy
    virtual void UpdateState(State) = 0;

    virtual void DumpHeapSnapshot(bool isPrivate) = 0;
};

} // namespace OHOS::Ace

#endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_BACKEND_H