class LightController
{
protected:
    int bjtCount;
    int *bjtPins;
    int *bjtState;

private:
    void setAbsoluteState(const char data[], int index);
    void parseRelativeState(const char data[], int index, int steps);
    int clampState(int stateValue);
    void commitState(int index);

public:
    LightController(int *bjtPins, __SIZE_TYPE__ bjtCount);
    void updateState(const char data[], __SIZE_TYPE__ dataLength, int steps);
    int getBjtCount();
    int *getBjtPins();
    int *getBjtState();
};