const int ledPin = PB2; 
const int blinkDelayTime = 40;
const int breathDelayTime = 5;

void setup() {
  // Set the LED pin as OUTPUT
  pinMode(ledPin, OUTPUT);
}
void loop() {
  for (int i = 0; i < 5; ++i) {
    blinkPattern();
  }
  for (int i = 0; i < 5; ++i) {
    breath();
  }
  for (int i = 0; i < 5; ++i) {
    strob();
  }
  for (int i = 0; i < 5; ++i) {
    randomFlash(100, 1000); // Call the function with min and max delay values
  }
  for (int i = 0; i < 5; ++i) {
    quickFlashes(50, 50);
  }
  for (int i = 0; i < 5; ++i) {
    tf();
  }
  for (int i = 0; i < 10; ++i) {
    st1();
  }
  for (int i = 0; i < 5; ++i) {
    blinkI();
  }
  for (int i = 0; i < 5; ++i) {
    stwr();
  }
  for (int i = 0; i < 5; ++i) {
    beacon();
  }
}
void blinkPattern() {
  digitalWrite(ledPin, HIGH);
  delay(blinkDelayTime);
  digitalWrite(ledPin, LOW);
  delay(blinkDelayTime);
}
void breath() {
  // Fade in
  for (int brightness = 0; brightness <= 255; brightness++) {
    analogWrite(ledPin, brightness); // Set PWM duty cycle
    delay(breathDelayTime); // Wait for a short period
  }

  // Fade out
  for (int brightness = 255; brightness >= 0; brightness--) {
    analogWrite(ledPin, brightness); // Set PWM duty cycle
    delay(breathDelayTime); // Wait for a short period
  }
}
void strob() {
  int d[8] = {15, 200, 15, 200, 15, 200, 15, 1500};
  for (int i = 0; i < 4; i++) {
    digitalWrite(ledPin, HIGH); delay(d[i * 2]);
    digitalWrite(ledPin, LOW); delay(d[i * 2 + 1]);
  }

  digitalWrite(ledPin, HIGH);
  delay(300);
  digitalWrite(ledPin, LOW);
  delay(2500);
}
void randomFlash(int minInterval, int maxInterval) {
  // Flash the LED twice with very quick intervals
  for (int i = 0; i < 2; ++i) {
    digitalWrite(ledPin, HIGH);     // Turn the LED ON
    delay(random(minInterval, maxInterval));  // Random ON time
    digitalWrite(ledPin, LOW);      // Turn the LED OFF
    delay(random(minInterval, maxInterval));  // Random OFF time
  }

  // After two flashes, wait for a random interval before the next sequence
  delay(random(minInterval, maxInterval));
}
void quickFlashes(int minInterval, int maxInterval) {
  int onTime = random(minInterval, maxInterval); // Random ON time (quick)
  int offTime = random(minInterval, maxInterval); // Random OFF time (quick)

  digitalWrite(ledPin, HIGH); // Turn the LED ON
  delay(onTime);             // Wait for the quick ON time

  digitalWrite(ledPin, LOW); // Turn the LED OFF
  delay(offTime);            // Wait for the quick OFF time
}
void tf() {
  digitalWrite(ledPin, HIGH);
  delay(30);
  digitalWrite(ledPin, LOW);
  delay(30);
  digitalWrite(ledPin, HIGH);
  delay(30);
  digitalWrite(ledPin, LOW);
  delay(30);
}
void st1() {
  tf();
  delay(100);
  tf();
  delay(500);
  tf();
  delay(50);
  tf();
  delay(10);
  tf();
  delay(300);
}
void blinkI() {
  for (int blinkCount = 1; blinkCount <= 7; ++blinkCount) {  // Increase blink count from 1 to 7
    for (int i = 0; i < blinkCount; ++i) {
      digitalWrite(ledPin, HIGH);  // Turn the LED on
      delay(200);  // Wait for 200 milliseconds
      digitalWrite(ledPin, LOW);  // Turn the LED off
      delay(200);  // Wait for 200 milliseconds
    }
    delay(1000);  // Wait for 1 second before the next increment
  }
}
void stwr() {
  tf();
  delay(random(100, 1000));
  tf();
  delay(random(100, 1000));
}
void beacon() { // Slow increase in brightness
  for (int brightness = 0; brightness <= 128; brightness++) {  // Slow up to half brightness (128)
    analogWrite(ledPin, brightness);  // Increase brightness
    delay(20);  // Slow increase speed
  }

  // Fast burst to full brightness
  for (int brightness = 128; brightness <= 255; brightness++) {  // Fast burst from 128 to full brightness
    analogWrite(ledPin, brightness);  // Increase brightness quickly
    delay(2);  // Quick burst speed
  }

  // Turn off the LED
  analogWrite(ledPin, 0);  // Turn LED off
  delay(500);  // Wait before repeating the effect
}