/*
 * 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.
 */
#ifndef LED_CONTROL_H
#define LED_CONTROL_H
#include "StatusCode.h"
#include <memory>
#include <vector>
constexpr unsigned int NEW_TOP_LED_STATE = 0;
constexpr unsigned int LED_NOT_BLINK = 0;
constexpr unsigned int BLINKING_FAST_MS = 500;
constexpr unsigned int BLINKING_SLOW_MS = 1000;
constexpr long int KEEP_ALIVE_FOREVER = 0;
constexpr unsigned int DELETED_LED_STATE = -1;
constexpr unsigned int DO_NOT_KEEP_ALIVE = -2;
enum class LedState
{
    OFF = 0,
    ON,
    GREEN,
    RED,
    BLUE,
    YELLOW,
    GREEN_RED_MEANS_YELLOW,
    GREEN_BLUE_MEANS_CYAN,
    RED_BLUE_MEANS_PURPLE,
    GREEN_RED_BLUE_MEANS_WHITE,
    LEVEL_0,
    LEVEL_1,
    LEVEL_2,
    LEVEL_3,
    LEVEL_4,
    LEVEL_END,
    END
};
class VSingleControl
{
public:
    VSingleControl() = default;
    virtual ~VSingleControl() = default;
    virtual StatusCode GetLedState(LedState &state);
    virtual unsigned int GetKeepAliveTimeMs(void);
    virtual unsigned int GetBlinkTimeMs(void);
};
class VLedControl
{
public:
    VLedControl() = default;
    virtual ~VLedControl() = default;
    virtual StatusCode SetLedState(const LedState &state);
    virtual void AddLedState(std::shared_ptr<VSingleControl> &control);
    virtual void CheckState(const unsigned int &period);
    virtual std::string GetLedName(void);
    virtual void DeleteAllState(void);
};
class LedControl : virtual public VLedControl
{
public:
    LedControl() = default;
    virtual ~LedControl() = default;
    void CheckState(const unsigned int &period) override;
    void AddLedState(std::shared_ptr<VSingleControl> &state) override;

private:
    void DeleteAllState(void) override;
    /**
     * @brief Each time you control a light, check for invalid data to avoid wasting memory resources.
     *
     */
    void DeleteUselessState(void);
    void NewLedStateStart(void);
    void DeleteTopLedState(void);
    void BlinkOff(std::shared_ptr<VSingleControl> &state);
    void BlinkOn(std::shared_ptr<VSingleControl> &state, const LedState &onState);

private:
    std::vector<std::shared_ptr<VSingleControl>> mStates;
    LedState mCurrentState;
    unsigned int mStateAliveTime;
    unsigned int mBlinkPeriod;
};
const char *PrintLedState(const LedState &state);
#endif