#include <FastLED.h>

#define BUTTON_PIN0 4
#define BUTTON_PIN1 2
#define POTI_PIN_0 34
#define POTI_PIN_1 35
#define POTI_PIN_2 32

#define NUM_LEDS 16  // Number of LEDs
#define DATA_PIN_0 25  // Data pin of LED 1st Strip
#define DATA_PIN_1 26  // Data pin of LED 2nd Strip

int option = 0;

CRGB leds0[NUM_LEDS]; // Define an array to store LED colors
CRGB leds1[NUM_LEDS]; // Define an array to store LED colors

void IRAM_ATTR button0() {
//    Serial.println("OPTION=0");
    option = 0;
}

void IRAM_ATTR button1() {
//    Serial.println("OPTION=1");
    option = 1;
}
 
void setup() {
  // Initialize Serial Monitor
  Serial.begin(115200);

  FastLED.addLeds<WS2812B, DATA_PIN_0, GRB>(leds0, NUM_LEDS); // Initialize FastLED library
  FastLED.addLeds<WS2812B, DATA_PIN_1, GRB>(leds1, NUM_LEDS); // Initialize FastLED library
  FastLED.setBrightness(100); // Set LED brightness (0-255)

 
  pinMode(BUTTON_PIN0, INPUT_PULLUP);
  pinMode(BUTTON_PIN1, INPUT_PULLUP);
 
  attachInterrupt(BUTTON_PIN0, button0, FALLING);
  attachInterrupt(BUTTON_PIN1, button1, FALLING);

  pinMode(POTI_PIN_0, INPUT);
  pinMode(POTI_PIN_1, INPUT);
  pinMode(POTI_PIN_2, INPUT);
}
 
void loop() {

  if (option == 0) {  

    FastLED.setBrightness(255);
    
    while (option == 0) {
      
      int red = map(analogRead(POTI_PIN_0), 0, 4095, 0, 255);
      int green = map(analogRead(POTI_PIN_1), 0, 4095, 0, 255);
      int blue = map(analogRead(POTI_PIN_2), 0, 4095, 0, 255);
      
      fill_solid(leds0, NUM_LEDS, CRGB(red, green, blue));
      fill_solid(leds1, NUM_LEDS, CRGB(255-red, 255-green, 255-blue));
 
      FastLED.show(); // Update LED strip
    
      delay(200);
    }

  } else if (option == 1) {
    while (option == 1) {
      
      Serial.println("O1");
      
      FastLED.setBrightness(map(analogRead(POTI_PIN_0), 0, 4095, 0, 255));
      
      fill_solid(leds0, NUM_LEDS, CRGB::White);
      fill_solid(leds1, NUM_LEDS, CRGB::White);
      
      FastLED.show(); // Update LED strip

      delay(map(analogRead(POTI_PIN_1), 0, 4095, 10, 1000));
      
      fill_solid(leds0, NUM_LEDS, CRGB::Black);
      fill_solid(leds1, NUM_LEDS, CRGB::Black);
      
      FastLED.show(); // Update LED strip
    
      delay(map(analogRead(POTI_PIN_2), 0, 4095, 10, 1000));
    }
  } else if (option == 2){
    
  }

}