int red_pin = 10;
int green_pin = 12;
int blue_pin = 11;


enum {
  RED, 
  YELLOW, 
  GREEN, 
  CYAN, 
  BLUE,
  MAGENTA, 
  WHITE
};




void setup() {
  pinMode(red_pin, OUTPUT);
  pinMode(green_pin, OUTPUT);
  pinMode(blue_pin, OUTPUT);
  

}

void loop() {
  // put your main code here, to run repeatedly:

// red();
// delay(500);
// yellow();
// delay(500);
// green();
// delay(500);
// cyan();
// delay(500);
// blue();
// delay(500);
// white();
// delay(500);

// for(int i=0; i<7; i++){
//   color(i);
//   delay(1000);
// }
delay(1000);
setLedColor(0, 100, 50);




}
void color(int color_code){

  switch(color_code){

    case RED:
      red();
      break;

    case YELLOW: 
      yellow();
      break;

    case GREEN: 
      green();
      break;

    case CYAN: 
       cyan();
       break;

    case BLUE: 
       blue();
       break;

    case WHITE:
      white();   
      break;      

       
  }
}

void rgb(int red_v, int green_v, int blue_v){
  analogWrite(red_pin, red_v);
  analogWrite(green_pin, green_v);
  analogWrite(blue_pin, blue_v);
}

void red(){
  // analogWrite(red_pin, 255);
  // analogWrite(green_pin, 0);
  // analogWrite(blue_pin, 0);
  rgb(255, 0, 0);
}

void yellow(){
  // analogWrite(red_pin, 255);
  // analogWrite(green_pin, 255);
  // analogWrite(blue_pin, 0);
  rgb(255, 255, 0);
}

void green(){
  // analogWrite(red_pin, 0);
  // analogWrite(green_pin, 255);
  // analogWrite(blue_pin, 0);
  rgb(0, 255, 0);
}

void cyan(){
  // analogWrite(red_pin, 0);
  // analogWrite(green_pin, 255);
  // analogWrite(blue_pin, 255);
  rgb(0, 255, 255);
}


void blue(){
  // analogWrite(red_pin, 0);
  // analogWrite(green_pin, 0);
  // analogWrite(blue_pin, 255);
  rgb(0, 0, 255);
}

void white(){
  // analogWrite(red_pin, 255);
  // analogWrite(green_pin, 255);
  // analogWrite(blue_pin, 255);
  rgb(255, 255, 255);
}


void setLedColor(int h, int s, int l) {
  // Variables to hold RGB values
  int r, g, b;

  // Convert HSL to RGB
  hslToRgb(h, s, l, &r, &g, &b);

  // Set LED color using PWM values
  analogWrite(red_pin, r);
  analogWrite(green_pin, g);
  analogWrite(blue_pin, b);
}

void hslToRgb(int h, int s, int l, int* r, int* g, int* b) {
    // Ensure h is in the range [0, 360], s and l are in the range [0, 100]
    h %= 360;
    s = constrain(s, 0, 100);
    l = constrain(l, 0, 100);

    // Convert HSL to RGB
    float H = h / 360.0;
    float S = s / 100.0;
    float L = l / 100.0;

    float C = (1 - abs(2 * L - 1)) * S;
    float X = C * (1 - abs(fmod(H * 6, 2) - 1));
    float m = L - C / 2;

    float R, G, B;
    if (0 <= H && H < 1.0 / 6.0) {
        R = C; G = X; B = 0;
    } else if (1.0 / 6.0 <= H && H < 2.0 / 6.0) {
        R = X; G = C; B = 0;
    } else if (2.0 / 6.0 <= H && H < 3.0 / 6.0) {
        R = 0; G = C; B = X;
    } else if (3.0 / 6.0 <= H && H < 4.0 / 6.0) {
        R = 0; G = X; B = C;
    } else if (4.0 / 6.0 <= H && H < 5.0 / 6.0) {
        R = X; G = 0; B = C;
    } else {
        R = C; G = 0; B = X;
    }

    *r = round((R + m) * 255);
    *g = round((G + m) * 255);
    *b = round((B + m) * 255);
}