#include <EEPROM.h>

const int ledPin1 = 9;
const int ledPin2 = 10;
const int ledPin3 = 11;

const int buttonPinIncrease = 2;
const int buttonPinDecrease = 3;
const int buttonPinIncrease1 = 4;
const int buttonPinDecrease1 = 5;

int duration = 1000; // Initial duration in milliseconds
int duration1 = 500; // Initial duration in milliseconds
int eepromAddress = 0; // Address to store the duration in EEPROM
int eepromAddress1 = 1; // Address to store the duration in EEPROM

unsigned long lastChangeTime = 0;
unsigned long lastChangeTime1 = 0;
bool led1State = false;
bool led1State1 = false;
bool buttonIncreasePressed = false;
bool buttonDecreasePressed = false;
bool buttonIncreasePressed1 = false;
bool buttonDecreasePressed1 = false;

void setup() {
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  pinMode(ledPin3, OUTPUT);
  pinMode(buttonPinIncrease, INPUT_PULLUP);
  pinMode(buttonPinDecrease, INPUT_PULLUP);
  pinMode(buttonPinIncrease1, INPUT_PULLUP);
   pinMode(buttonPinDecrease1, INPUT_PULLUP);
  
  // Read the saved duration from EEPROM
  duration = EEPROM.read(eepromAddress) * 100; // Scale back from 10ms units to ms
  if (duration <= 0 || duration > 10000) {
    duration = 1000; // Default duration if EEPROM is invalid
  }

// Read the saved duration from EEPROM
  duration1 = EEPROM.read(eepromAddress1) * 100; // Scale back from 10ms units to ms
  if (duration1 <= 0 || duration1 > 10000) {
    duration1 = 1000; // Default duration if EEPROM is invalid
  }



  Serial.begin(9600);
  Serial.print("Initial Duration: ");
  Serial.println(duration);

 
  Serial.print("Initial Duration1: ");
  Serial.println(duration1);
}

void loop() {
  // Read button states
  bool increaseButtonState = digitalRead(buttonPinIncrease) == LOW;
  bool decreaseButtonState = digitalRead(buttonPinDecrease) == LOW;
  bool increaseButtonState1 = digitalRead(buttonPinIncrease1) == LOW;
  bool decreaseButtonState1 = digitalRead(buttonPinDecrease1) == LOW;

  // Handle increase button
  if (increaseButtonState && !buttonIncreasePressed) {
    duration += 1000; // Increase duration by 100ms
    if (duration > 10000) {
      duration = 10000; // Limit max duration to 10 seconds
    }
    EEPROM.write(eepromAddress, duration / 100); // Save duration in 10ms units
    Serial.print("Increased Duration: ");
    Serial.println(duration);
  }
  buttonIncreasePressed = increaseButtonState;

  /////////////////////////////////////// Handle decrease button
  if (decreaseButtonState && !buttonDecreasePressed) {
    duration -= 1000; // Decrease duration by 100ms
    if (duration < 1000) {
      duration = 1000; // Limit min duration to 100ms
    }
    EEPROM.write(eepromAddress, duration / 1000); // Save duration in 10ms units
    Serial.print("Decreased Duration: ");
    Serial.println(duration);
  }
  buttonDecreasePressed1 = decreaseButtonState1;


// Handle increase button
  if (increaseButtonState1 && !buttonIncreasePressed1) {
    duration1 += 1000; // Increase duration by 100ms
    if (duration1 > 10000) {
      duration1 = 10000; // Limit max duration to 10 seconds
    }
    EEPROM.write(eepromAddress1, duration1 / 100); // Save duration in 10ms units
    Serial.print("Increased Duration1: ");
    Serial.println(duration1);
  }
  buttonIncreasePressed1 = increaseButtonState1;

  // Handle decrease button
  if (decreaseButtonState1 && !buttonDecreasePressed1) {
    duration1 -= 1000; // Decrease duration by 100ms
    if (duration1 < 1000) {
      duration1 = 1000; // Limit min duration to 100ms
    }
    EEPROM.write(eepromAddress1, duration1 / 1000); // Save duration in 10ms units
    Serial.print("Decreased Duration1: ");
    Serial.println(duration1);
  }
  buttonDecreasePressed1 = decreaseButtonState1;


 unsigned long currentTime = millis();
  if (currentTime - lastChangeTime >= duration) {
    lastChangeTime = currentTime;
    led1State = !led1State;
 digitalWrite(ledPin1, HIGH); // Turn on LED 1
  
  digitalWrite(ledPin2, HIGH); // Turn off LED 1

  }


  // Blink LEDs sequentially
  unsigned long currentTime1 = millis();
  if (currentTime1 - lastChangeTime1 >= duration1) {
    lastChangeTime1 = currentTime1;
    led1State1 = !led1State1;
     digitalWrite(ledPin2, LOW); // Turn on LED 1
  
  digitalWrite(ledPin2, HIGH); // Turn off LED 1

  }
}