/**
 * Copyright 2020 Huawei Technologies 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 "common/profiling/ge_profiling.h"
#include "common/profiling/profiling_manager.h"
namespace {
    const std::string kDeviceNums = "devNums";
    const std::string kDeviceIdList = "devIdList";
    const std::string kProfilingInit = "prof_init";
    const std::string kProfilingFinalize = "prof_finalize";
    const std::string kProfilingStart = "prof_start";
    const std::string kProfilingStop = "prof_stop";
    const std::string kProfModelSubscribe = "prof_model_subscribe";
    const std::string kProfModelUnsubscribe = "prof_model_cancel_subscribe";

    const std::map<ge::MsprofCommandHandleType, std::string> kProfCommandTypeMap = {
            {ge::kProfCommandhandleInit, kProfilingInit},
            {ge::kProfCommandhandleStart, kProfilingStart},
            {ge::kProfCommandhandleStop, prof_stop},
            {ge::kProfCommandhandleFinalize,kProfilingFinalize},
            {ge::kProfCommandhandleModelSubscribe, kProfModelSubscribe},
            {ge::kProfCommandhandleModelUnsubscribe, kProfModelUnsubscribe}};
}  // namespace

namespace ge {
bool TransProfConfigToParam(const ProfCommand &profCommand, vector<string> &prof_config_params) {
    prof_config_params.clear();
    prof_config_params.emplace_back(kDeviceNums);
    prof_config_params.emplace_back(std::to_string(profCommand.dev_nums));
    prof_config_params.emplace_back(kDeviceIdList);
    std::string devID = "";
    if (profCommand.dev_nums == 0) {
        GELOGW("The device num is invalid.");
        return false;
    }
    for (uint32_t i = 0; i < profCommand.dev_nums; i++) {
        devID.append(std::to_string(profCommand.device_list[i]));
        if (i != profCommand.dev_nums - 1) {
            devID.append(",");
        }
    }

    prof_config_params.push_back(devID);
    return true;
}

bool isProfConfigValid(const uint32_t *deviceid_list, uint32_t device_nums) {
    if (deviceid_list == nullptr) {
        GELOGE(PARAM_INVALID, "deviceIdList is nullptr");
        return false;
    }
    if (device_nums == 0 || device_nums > kMaxDeviceNum) {
        GELOGE(PARAM_INVALID, "The device nums is invalid.");
        return false;
    }

    // real device num
    int32_t dev_count = 0;
    rtError_t rt_err = rtGetDeviceCount(&dev_count);
    if (rt_err != RT_ERROR_NONE) {
        GELOGE(INTERNAL_ERROR, "Get the Device count fail.");
        return false;
    }

    if (device_nums > static_cast<uint32_t>(dev_count)) {
        GELOGE(PARAM_INVALID, "Device num(%u) is not in range 1 ~ %d.", device_nums, dev_count);
        return false;
    }

    std::unordered_set<uint32_t> record;
    for (size_t i = 0; i < device_nums; ++i) {
        uint32_t dev_id = deviceid_list[i];
        if (dev_id >= static_cast<uint32_t>(dev_count)) {
            GELOGE(PARAM_INVALID, "Device id %u is not in range 0 ~ %d(exclude %d)", dev_id, dev_count, dev_count);
            return false;
        }
        if (record.count(dev_id) > 0) {
            GELOGE(PARAM_INVALID, "Device id %u is duplicatedly set", dev_id);
            return false;
        }
        record.insert(dev_id);
    }
    return true;
}

Status GeRegProfCtrlCallback(MsprofCtrlCallback func) {
    ProfilingManager::Instance().msprofCtrlCallback = func;
}

Status GeRegProfSetDeviceCallback(MsprofSetDeviceCallback func) {
    // pass MsprofSetDeviceCallback to runtime
    Status rt_ret = rtRegDeviceStateCallback(func);
}

Status GeRegProfReporterCallback(MsprofReporterCallback func) {
    ProfilingManager::Instance().msprofReporterCallback = func;
    // pass MsprofReporterCallback to runtime
    Status rt_ret = rtSetMsprofReporterCallback(func);
    // pass MsprofReporterCallback to hccl
}

Status GeProfCommandHandle(MsprofCommandHandleType type, void *data, uint32_t len) {
    GE_CHK_NOT_NULL(data);
    ProfCommand *prof_config_param = (ProfCommand *)data;
    if (!isProfConfigValid(deviceid_list, device_nums)) {
        return FAILED;
    }
    std::vector<string> prof_params;
    if (!TransProfConfigToParam(*prof_config_param, prof_params)) {
        GELOGE(PARAM_INVALID, "Transfer profilerConfig to string vector failed");
        return PARAM_INVALID;
    }
    auto iter = kProfCommandTypeMap.find(type);
    if (iter == kProfCommandTypeMap.end()) {
        GELOGW("The prof comand type is invalid.");
        return PARAM_INVALID;
    }
    GraphLoader graph_loader;
    Command command;
    command.cmd_params.clear();
    command.cmd_type = iter->second;
    command.cmd_params = prof_params;
    command.module_index = prof_config_param->prof_switch;
    GELOGI("GE commandhandle execute, device nums:%s , deviceID:[%s], data type config: 0x%llx", prof_params[0].c_str(),
           prof_params[kDeviceListIndex].c_str(), command.module_index);
    ret = graph_loader.CommandHandle(command);
    if (ret != SUCCESS) {
        GELOGE(ret, "Handle profiling command failed");
        return FAILED;
    }

    GELOGI("Successfully execute profiling command 0x%llx.", command.module_index);
}

bool IsGeInitialize() {
    std::shared_ptr<GELib> instance_ptr = ge::GELib::GetInstance();
    if (instance_ptr == nullptr || instance_ptr->InitFlag() == false) {
        return false;
    }
    return true;
}

} // namespace