/*
 * Copyright (c) 2023 Fancy Code.
 * 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 "LedManager.h"
#include "ILog.h"
std::shared_ptr<LedManager> &LedManager::GetInstance(std::shared_ptr<LedManager> *impl)
{
    static auto instance = std::make_shared<LedManager>();
    if (impl) {
        if (instance.use_count() == 1) {
            LogInfo("Instance changed succeed.\n");
            instance = *impl;
        }
        else {
            LogError("Can't changing the instance becase of using by some one.\n");
        }
    }
    return instance;
}
void LedManager::Init(void)
{
    std::map<std::string, std::shared_ptr<VLedHal>> allLeds;
    IHalCpp::GetInstance()->GetAllLeds(allLeds);
    LedConversion(allLeds);
}
void LedManager::UnInit(void)
{
    StopTimer();
    mMutex.lock();
    for (auto &iter : mAllLedHal) {
        iter.second->DeleteAllState();
    }
    mMutex.unlock();
    mAllLedHal.clear();
}
void LedManager::Timer(void)
{
    mTimerRuning = true;
    std::map<std::string, std::shared_ptr<VLedControl>>::iterator iter;
    while (mTimerRuning) {
        mMutex.lock();
        for (iter = mAllLedHal.begin(); iter != mAllLedHal.end(); ++iter) {
            std::shared_ptr<VLedControl> ledHal = iter->second;
            ledHal->CheckState(LED_STATE_CHECK_PERIOD_MS);
        }
        mMutex.unlock();
        std::this_thread::sleep_for(std::chrono::milliseconds(LED_STATE_CHECK_PERIOD_MS));
    }
}
void LedManager::ControlLed(const std::string &ledName, std::shared_ptr<LedControlContext> &control)
{
    std::lock_guard<std::mutex> locker(mMutex);
    std::shared_ptr<VSingleControl> singleControl = std::dynamic_pointer_cast<VSingleControl>(control);
    if (!singleControl) {
        LogError("led can't be controled.\n");
        return;
    }
    auto iter = mAllLedHal.find(ledName);
    if (iter == mAllLedHal.end()) {
        LogError("Can't find led [%s].\n", ledName.c_str());
        return;
    }
    mAllLedHal[ledName]->AddLedState(singleControl);
}
void LedManager::StartTimer(void)
{
    auto timerThread = [](std::shared_ptr<LedManager> timer) {
        LogInfo("Led timer started.\n");
        timer->Timer();
    };
    mTimer = std::thread(timerThread, shared_from_this());
}
void LedManager::StopTimer(void)
{
    mTimerRuning = false;
    if (mTimer.joinable()) {
        mTimer.join();
    }
}
void LedManager::LedConversion(std::map<std::string, std::shared_ptr<VLedHal>> &ledHal)
{
    std::map<std::string, std::shared_ptr<VLedHal>>::iterator iter;
    for (iter = ledHal.begin(); iter != ledHal.end(); ++iter) {
        std::shared_ptr<VLedControl> led = std::dynamic_pointer_cast<VLedControl>(iter->second);
        if (led) {
            LogInfo("Get led [%s].\n", iter->first.c_str());
            mAllLedHal[iter->first] = led;
        }
        else {
            LogWarning("Missing something.\n");
        }
    }
}