#include <util/delay.h>
#include "pwm.h"

class RgbLed
{
private:
    Pwm8b* _pwmA;
    Pwm8b* _pwmB;
	
	static constexpr uint16_t calRed[]   = {650, 650, 650};
	static constexpr uint16_t calGreen[] = {1000, 1000, 1000};
	static constexpr uint16_t calBlue[]  = {200, 250, 300};

	
    
    uint8_t _pattern = 0;
    
    uint16_t _counter = 0;
    bool _stroke = false;
    
    uint8_t _targetR = 0;
    uint8_t _targetG = 0;
    uint8_t _targetB = 0;
    bool _fade = true;
    uint8_t _fadeSpeed = 7;
    
    bool _powerd = false;
    
    void patternStep();
	
	uint16_t getCalValue();
	uint8_t applyCal(uint16_t value, const uint16_t* cal);
	void adjustHeadroom(uint8_t& r, uint8_t& g, uint8_t& b, const uint8_t lumina);
    
public:
    RgbLed( Pwm8b* pwmA, Pwm8b* pwmB );
    
    void setSolidColor( const uint8_t r, const uint8_t g, const uint8_t b);
    void setPattern(const uint8_t id);
    void setPreset( const uint8_t preset);
    
    void on();
    void off();
    
    void setFade(bool fade = true);
    
    void logic();
    uint8_t getR();
    uint8_t getB();
    uint8_t getG();
    bool isPowerd();
    uint8_t getPattern();

};

template <typename T> T sgn(T val) 
{
    return (T(0) < val) - (val < T(0));
}