int state1 = 0;
int state2 = 0;
int state3 = 0;
int state4 = 0;
int state5 = 0;
int state6 = 0;
int state7 = 0;
int state8 = 0;
int state9 = 0;
int state10 = 0;
int state11 = 0;
int state12 = 0;

int Switch = 7; // Push button
int R = 3;      // Red pin
int G = 5;     // Green pin
int B = 6;     // Blue pin

int lastSwitchState = 0;  // To detect press change



int State1 = 0;
int State2 = 0;
int State3 = 0;

int Switch1 = 8;  // Push button
int led1 =9;    // LED 1 pin
int led2 = 10;   // LED 2 pin
int led3 = 11;    // LED 3 pin

int lastSwitchState1 = 0;

void setup() {
    pinMode(Switch1, INPUT_PULLUP); // push button
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);

  
  pinMode(Switch, INPUT_PULLUP); // Use pull-up for button
  pinMode(R, OUTPUT);
  pinMode(G, OUTPUT);
  pinMode(B, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  Brightness();
  int currentSwitchState = digitalRead(Switch);

  // Check if button pressed (LOW because of pull-up)
  if (currentSwitchState == LOW && lastSwitchState == HIGH) {
    // Button just pressed
    if (state1 == 0) {
      Serial.println("Color 1");
      setColor(255, 0, 0); // 🔴 Red
      allHigh(); state1 = 1; state2 = 0;
    }
    else if (state2 == 0) {
      Serial.println("Color 2");
      setColor(0, 255, 0); // 🟢 Green
      allHigh(); state2 = 1; state3 = 0;
    }
    else if (state3 == 0) {
      Serial.println("Color 3");
      setColor(0, 0, 255); // 🔵 Blue
      allHigh(); state3 = 1; state4 = 0;
    }
    else if (state4 == 0) {
      Serial.println("Color 4");
      setColor(255, 255, 0); // 🟡 Yellow
      allHigh(); state4 = 1; state5 = 0;
    }
    else if (state5 == 0) {
      Serial.println("Color 5");
      setColor(255, 0, 255); // 🟣 Magenta
      allHigh(); state5 = 1; state6 = 0;
    }
    else if (state6 == 0) {
      Serial.println("Color 6");
      setColor(0, 255, 255); // 🔵 Cyan
      allHigh(); state6 = 1; state7 = 0;
    }
    else if (state7 == 0) {
      Serial.println("Color 7");
      setColor(255, 128, 0); // 🟠 Orange
      allHigh(); state7 = 1; state8 = 0;
    }
    else if (state8 == 0) {
      Serial.println("Color 8");
      setColor(128, 0, 255); // 💜 Violet
      allHigh(); state8 = 1; state9 = 0;
    }
    else if (state9 == 0) {
      Serial.println("Color 9");
      setColor(255, 255, 255); // ⚪ White
      allHigh(); state9 = 1; state10 = 0;
    }
    else if (state10 == 0) {
      Serial.println("Color 10");
      setColor(128, 255, 0); // 💚 Lime
      allHigh(); state10 = 1; state11 = 0;
    }
    else if (state11 == 0) {
      Serial.println("Color 11");
      setColor(0, 128, 255); // 💙 Sky Blue
      allHigh(); state11 = 1; state12 = 0;
    }
    else if (state12 == 0) {
      Serial.println("Color 12");
      setColor(0, 0, 0); // ⚫ Off / LED Off
      allHigh(); state12 = 1; state1 = 0; // loop back
    }

    delay(300); // debounce
  }

  lastSwitchState = currentSwitchState;
}

void setColor(int r, int g, int b) {
  analogWrite(R, r);
  analogWrite(G, g);
  analogWrite(B, b);
}

// Helper to set all states high
void allHigh() {
  state1 = 1; state2 = 1; state3 = 1; state4 = 1; state5 = 1;
  state6 = 1; state7 = 1; state8 = 1; state9 = 1; state10 = 1;
  state11 = 1; state12 = 1;
}
void Brightness() {

  int currentSwitchState1 = digitalRead(Switch1);

  // detect button press
  if (currentSwitchState1 == LOW && lastSwitchState1 == HIGH) {
    if (State1 == 0) {
      Serial.println("LED 1 Brightness Up");
      fadeLED(led1);
      allHigh1(); State1 = 1; State2 = 0;
    }
    else if (State2 == 0) {
      Serial.println("LED 2 Brightness Up");
      fadeLED(led2);
      allHigh1(); State2 = 1; State3 = 0;
    }
    else if (State3 == 0) {
      Serial.println("LED 3 Brightness Up");
      fadeLED(led3);
      allHigh1(); State3 = 1; State1 = 0;
    }
    delay(300); // debounce
  }

  lastSwitchState1 = currentSwitchState1;
}

void fadeLED(int pin) {
  for (int brightness = 0; brightness <= 255; brightness++) {
    analogWrite(pin, brightness);
    delay(5); // speed of brightness increase
  }
}

void allHigh1() {
  State1 = 1;
  State2 = 1;
  State3 = 1;
}