//////////////////////////////////// IO Mapping Physical ////////////////////////////////////


const int buttonPin1 = 7;
const int buttonPin2 = 8;
const int buttonPin3 = 9;

const int relayPin1 = 10;
const int relayPin2 = 11;
const int relayPin3 = 12;
const int relayPin4 = 13;


const int ledPin1 = 0;    //led in 0 but can't use serial if in that pin
const int ledPin2 = 1;    //led in 1 but can't use serial if in that pin
const int ledPin3 = 2;
const int ledPin4 = 3;

const int potPin = A1;

//////////////////////////////////// local variables ////////////////////////////////////

int buttonState1;
int buttonState2;
int buttonState3;

int lastButtonState1 = 0;
int lastbuttonState2 = 0;
int lastButtonState3 = 0;

int ledState1;
int ledState2;
int ledState3;
int ledState4;

int ledTrigger2 = 0;
int ledTrigger3 = 0;
int ledTrigger4 = 0;

int lastLedTrigger2 = 0;
int lastLedTrigger3 = 0;
int lastLedTrigger4 = 0;

int dailyTrigger = 0;
int lastDailyTrigger = 0;
int dailyScheduleActive = 0;

//////////////////////////////////// Timer Variables ////////////////////////////////////

unsigned long dailyTimer = 10000;    //24 * 60ul * 60ul * 1000ul;

unsigned long dailyTimerStart;

unsigned long startTime1;
unsigned long startTime2;
unsigned long startTime3;
unsigned long startTime4;

unsigned long minValue = 1000UL;  // 1 seconds in milliseconds (scaled to 0V)
unsigned long maxValue = 10000UL;  // 10 seconds in milliseconds (scaled to 5V)

//////////////////////////////////// Void Setup ////////////////////////////////////


void setup() {
  pinMode(buttonPin1, INPUT);
  pinMode(buttonPin2, INPUT);
  pinMode(buttonPin3, INPUT);

  pinMode(potPin, INPUT);

  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  pinMode(ledPin3, OUTPUT);
  pinMode(ledPin4, OUTPUT);

  pinMode(relayPin1, OUTPUT);
  pinMode(relayPin2, OUTPUT);
  pinMode(relayPin3, OUTPUT);
  pinMode(relayPin4, OUTPUT);

}

//////////////////////////////////// Void Loop ////////////////////////////////////


void loop()
{
  buttonState3 = digitalRead(buttonPin3);
  if (buttonState3 == HIGH)
  {
    if (lastDailyTrigger == 0)
    {
      dailyScheduleActive = 1;
      dailyTimerStart = millis();
    }
    lastDailyTrigger = buttonState3;
    if (millis() - dailyTimerStart <= dailyTimer)
    {
      dailyTrigger = HIGH;
    }
  }



  int potValue = analogRead(potPin);                 // Read potentiometer value (0 to 1023)
  unsigned long mappedValue = map(potValue, 0, 1023, minValue, maxValue);  //Scale Raw Value to Min/Max
  delay(100);                                        //Delay for Stability
  buttonState2 = digitalRead(buttonPin2);        //Check For Button Press
  if (buttonState2 == HIGH)                          //If Button Pressed
  {
    mappedValue = 0;                                 // set Timer to 0 secs essentailly skipping current relay
  }
  delay(50);                                         //Delay for stability
  buttonState1 = digitalRead(buttonPin1);        //Check For Button Press
  
  
  
  if (buttonState1 == HIGH || dailyTrigger == HIGH)             //If Button Pressed
  {
    if (lastButtonState1 == 0)                       // lastButtonState starts as zero so this statement is true
    {
      ledState1 = 1;                                 //turn ledState from 0 to 1
      startTime1 = millis();                         //start On Timer
    }
  }
  lastButtonState1 = buttonState1;                    //lastButtonState is zero but buttonState is high so lastButtonState is now 1
  if (ledState1)                                      //ledState is 1 now so this statement is true
  {
    if (millis() - startTime1 <= mappedValue)
      //Until the startTime reaches above the interval time the loop will choose this if statement rather than the else which turns off // the LED
    {
      digitalWrite(ledPin1, HIGH);                    //turns on the LED
      digitalWrite(relayPin1, HIGH);
    }
    else
    {
      digitalWrite(ledPin1, LOW);                     //turns off LED and resets the ledState
      ledState1 = 0;
      ledTrigger2 = 1;
    }
  }

  //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

  // LED 2 Sequence

  if (ledTrigger2 == 1)
  {
    if (lastLedTrigger2 == 0)
    {
      ledState2 = 1;
      startTime2 = millis();
    }
    lastLedTrigger2 = ledTrigger2;
    if (ledState2 == 1)
    {
    if (millis() - startTime2 <= mappedValue)
    {
      digitalWrite(ledPin2, HIGH);
      digitalWrite(relayPin2, HIGH);
    }
    else
    {
      digitalWrite(ledPin2, LOW);
      digitalWrite(relayPin2, LOW);
      ledState2 = 0;
      ledTrigger2 = 0;
      lastLedTrigger2 = 0;
      ledTrigger3 = 1;
    }
  }
  }

  //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

  // LED 3 sequence

  if (ledTrigger3 == 1)
  {
    if (lastLedTrigger3 == 0)
    {
      ledState3 = 1;
      startTime3 = millis();
    }
    lastLedTrigger3 = ledTrigger3;
    if (millis() - startTime3 <= mappedValue)
    {
      digitalWrite(ledPin3, HIGH);
      digitalWrite(relayPin3, HIGH);
    }
    else
    {
      digitalWrite(ledPin3, LOW);
      digitalWrite(relayPin3, LOW);
      ledState3 = 0 ;
      ledTrigger3 = 0;
      lastLedTrigger3 = 0;
      ledTrigger4 = 1;
    }
  }


  ///////////////////////////////////////////////////////////////////////////////////////////////

  // LED 4 sequence

  if (ledTrigger4 == 1)
  {
    if (lastLedTrigger4 == 0)
    {
      ledState4 = 1;
      startTime4 = millis();
    }
    lastLedTrigger4 = ledTrigger4;
    if (millis() - startTime4 <= mappedValue)
    {
      digitalWrite(ledPin4, HIGH);
      digitalWrite(relayPin4, HIGH);
    }
    else
    {
      digitalWrite(ledPin4, LOW);
      digitalWrite(relayPin4, LOW);
      ledState4 = 0;
      lastLedTrigger4 = 0;
      ledTrigger4 = 0;
    }
  }

}