/*
 * 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 "napi_hisysevent_querier.h"

#include "hilog/log.h"
#include "napi_hisysevent_util.h"

#undef LOG_DOMAIN
#define LOG_DOMAIN 0xD002D08

#undef LOG_TAG
#define LOG_TAG "NAPI_HISYSEVENT_QUERIER"

namespace OHOS {
namespace HiviewDFX {
namespace {
constexpr char ON_QUERY_ATTR[] = "onQuery";
constexpr char ON_COMPLETE_ATTR[] = "onComplete";
constexpr size_t ON_QUERY_PARAM_COUNT = 1;
constexpr size_t ON_QUERY_COMPLTE_COUNT = 3;
}

NapiHiSysEventQuerier::NapiHiSysEventQuerier(CallbackContext* context, ON_COMPLETE_FUNC handler)
{
    callbackContext = context;
    onCompleteHandler = handler;
    jsCallbackManager = std::make_shared<JsCallbackManager>();
}

NapiHiSysEventQuerier::~NapiHiSysEventQuerier()
{
    if (jsCallbackManager != nullptr) {
        jsCallbackManager->Release();
    }
    if (callbackContext->threadId == getproctid()) {
        napi_delete_reference(callbackContext->env, callbackContext->ref);
    }
    delete callbackContext;
}

void NapiHiSysEventQuerier::OnQuery(const std::vector<std::string>& sysEvents,
    const std::vector<int64_t>& seq)
{
    jsCallbackManager->Add(callbackContext,
        [this, sysEvents, seq] (const napi_env env, const napi_ref ref, pid_t threadId) {
            if (threadId != getproctid()) {
                return;
            }
            napi_value sysEventInfoJsArray = nullptr;
            napi_create_array_with_length(env, sysEvents.size(), &sysEventInfoJsArray);
            NapiHiSysEventUtil::CreateJsSysEventInfoArray(env, sysEvents, sysEventInfoJsArray);
            napi_value argv[ON_QUERY_PARAM_COUNT] = {sysEventInfoJsArray};
            napi_value querier = nullptr;
            napi_get_reference_value(env, ref, &querier);
            napi_value onQuery = NapiHiSysEventUtil::GetPropertyByName(env, querier, ON_QUERY_ATTR);
            napi_value ret = nullptr;
            napi_status status = napi_call_function(env, querier, onQuery, ON_QUERY_PARAM_COUNT,
                argv, &ret);
            if (status != napi_ok) {
                HILOG_ERROR(LOG_CORE, "failed to call OnQuery JS function.");
            }
        });
}

void NapiHiSysEventQuerier::OnComplete(int32_t reason, int32_t total, int64_t seq)
{
    jsCallbackManager->Add(callbackContext,
        [this, reason, total, seq] (const napi_env env, const napi_ref ref, pid_t threadId) {
            if (threadId != getproctid()) {
                return;
            }
            napi_value reasonJsParam = nullptr;
            NapiHiSysEventUtil::CreateInt32Value(env, reason, reasonJsParam);
            napi_value totalJsParam = nullptr;
            NapiHiSysEventUtil::CreateInt32Value(env, total, totalJsParam);
            napi_value seqJsParm = nullptr;
            NapiHiSysEventUtil::CreateInt64Value(env, seq, seqJsParm);
            napi_value argv[ON_QUERY_COMPLTE_COUNT] = {reasonJsParam, totalJsParam, seqJsParm};
            napi_value querier = nullptr;
            napi_get_reference_value(env, ref, &querier);
            napi_value OnComplete = NapiHiSysEventUtil::GetPropertyByName(env, querier, ON_COMPLETE_ATTR);
            napi_value ret = nullptr;
            napi_status status = napi_call_function(env, querier, OnComplete, ON_QUERY_COMPLTE_COUNT,
                argv, &ret);
            if (status != napi_ok) {
                HILOG_ERROR(LOG_CORE, "failed to call OnComplete JS function.");
            }
        }, [this] (pid_t threadId) {
            if (threadId != getproctid()) {
                return;
            }
            if (this->onCompleteHandler != nullptr && this->callbackContext != nullptr) {
                this->onCompleteHandler(this->callbackContext->env, this->callbackContext->ref);
            }
        });
}
} // HiviewDFX
} // OHOS