// Date and time functions using a DS1307 RTC connected via I2C and Wire lib
#include "RTClib.h"

RTC_DS1307 rtc;


//initializing the variables
// Pin numbers on the board
int redPin1 = 15;  
int yellowPin1 =2;
int greenPin1 =4;
int redPin2 = 5;
int yellowPin2 =18;
int greenPin2 =19;

int voltagePin =36;
int currentPin= 39;

// the time duration in seconds
const int MILLIS_TO_SEC = 1000;
int deadZoneDuration= 1;
int greenDuration=6;
int yellowDuration=2;

const int SIZE_OF_ARRAY = 3;
int direction1[SIZE_OF_ARRAY]={redPin1, yellowPin1, greenPin1};
int direction2[SIZE_OF_ARRAY]={redPin2, yellowPin2, greenPin2};

//The days of the week for display with RTC
char Week_days[7][12] = {"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"};

void trafficLight(int directionOn1, int directionOn2){
  for (int i=0; i<SIZE_OF_ARRAY; i++){
    if (directionOn1 == direction1[i]){
      digitalWrite( direction1[i], HIGH);
    } 
    else{
      digitalWrite(direction1[i], LOW);
    }
  
    if (directionOn2== direction2[i]){
      digitalWrite( direction2[i], HIGH);
    } 
    else{
      digitalWrite(direction2[i], LOW);
    }
  }
}



void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  
  for (int i=0; i<SIZE_OF_ARRAY; i++){
    pinMode(direction1[i], OUTPUT);
    pinMode(direction2[i], OUTPUT);

    //Initialising the states
    digitalWrite(direction1[i], LOW);
    digitalWrite(direction2[i], LOW);
  }
 
 
  //  To check connection  
#ifndef ESP32
  while (!Serial); // wait for serial port to connect. Needed for native USB
#endif

}

void loop() {
  // function for the traffic light which takes to arguments where the first argument 
  trafficLight(redPin1, greenPin2); 
  delay(greenDuration * MILLIS_TO_SEC);
  trafficLight(redPin1, yellowPin2); 
  delay(yellowDuration * MILLIS_TO_SEC);
  trafficLight(redPin1, redPin2); 
  delay(deadZoneDuration * MILLIS_TO_SEC);
  
  // function for the traffic light which takes to arguments where the first argument 
  trafficLight(greenPin1, redPin2); 
  delay(greenDuration * MILLIS_TO_SEC);
  trafficLight(yellowPin1, redPin2); 
  delay(yellowDuration * MILLIS_TO_SEC);
  trafficLight(redPin1, redPin2); 
  delay(deadZoneDuration * MILLIS_TO_SEC);
  
}

/*
void setup1() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  
  for (int i=0; i<SIZE_OF_ARRAY; i++){
    pinMode(direction1[i], OUTPUT);
    pinMode(direction2[i], OUTPUT);

    //Initialising the states
    digitalWrite(direction1[i], LOW);
    digitalWrite(direction2[i], LOW);
  }
 
 
  //  To check connection  
#ifndef ESP32
  while (!Serial); // wait for serial port to connect. Needed for native USB
#endif

// Initializing RTC module
  if (! rtc.begin()) {
    Serial.println("Couldn't find RTC");
    Serial.flush();
    abort();
  }

  if (! rtc.isrunning()) {
    Serial.println("RTC is NOT running, let's set the time!");

  // Aligning time according to computer base time
   rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
}
}

void loop1() {
  // put your main code here, to run repeatedly:

 // calling the functions
  !
  dtRtc();        // function for the rtc
  sensorReading();   // function for the voltage current sensor 
  trafficLight(); // function for the traffic light 
}

//Functions
// To show the operation of the traffic light 


   void trafficLight()
   {
    
  

  ?    // turning on the ligts for the two traffic lights  
    for(int now=0; now<duration1;now++){
  digitalWrite(greenPin1, HIGH);   // turn on green light for first traffic light
  digitalWrite(redPin2, HIGH);      // turn on red light for second traffic light
  delay(1000);
    }

    digitalWrite(greenPin1, LOW);    // turn off green  light for first traffic light
    digitalWrite(redPin2, LOW);      // turn off red light for second traffic light
     
    for(int  now=0; now<duration2;now++){
 digitalWrite(yellowPin1, HIGH);     // turn on yellow light for first traffic light
 digitalWrite(redPin2, HIGH);       // turn on red light for second traffic light
  delay(1000);
    }

    digitalWrite(yellowPin1,LOW);    // turn off yellow light for first traffic light
    digitalWrite(redPin2, LOW);      // turn off red light for second traffic light


      for(int now=0; now<duration1;now++) {
  digitalWrite(redPin1, HIGH);        // turn on red light for first traffic light
  digitalWrite(greenPin2, HIGH);     // turn on  green light for second traffic light
   delay(1000);
      }
  
    digitalWrite(redPin1, LOW);       // turn off red light for first traffic light
    digitalWrite(greenPin2,LOW );     // turn off  green light for second traffic light


   for(int now=0; now<duration2;now++){
  digitalWrite(redPin1, HIGH);         // turn on red light for first traffic light
  digitalWrite(yellowPin2, HIGH);      // turn on yellow light for second traffic light
   delay(1000);
  }
   
    digitalWrite(redPin1, LOW);         // turn off red light for first traffic light
    digitalWrite(yellowPin2, LOW);      // turn off yellow light for second traffic light



   for(int now=0; now<duration1;now++){
  digitalWrite(greenPin1, HIGH);        // turn on green light for first traffic light
  digitalWrite(redPin2, HIGH);         // turn on red light for second traffic light
  delay(1000);
  }

  digitalWrite(greenPin1, LOW);        // turn off green light for first traffic light
  digitalWrite(redPin2, LOW);          // turn off red light for second traffic light
        }

  
    
    void dtRtc (){

   //RTC code to set date, time , day , month and year.
   // Acquiring current date and time for storage
      DateTime now = rtc.now();

    Serial.print(now.year(), DEC);
    Serial.print('/');
    Serial.print(now.month(), DEC);
    Serial.print('/');
    Serial.print(now.day(), DEC);
    Serial.print(" (");
    Serial.print(Week_days[now.dayOfTheWeek()]);
    Serial.print(") ");
    Serial.print(now.hour(), DEC);
    Serial.print(':');
    Serial.print(now.minute(), DEC);
    Serial.print(':');
    Serial.print(now.second(), DEC);
    Serial.println();

    }


    void sensorReading(){
       // Taking the analog reading of the sensor

        // Reading voltage value
        float voltageValue = analogRead(voltagePin);
        Serial.println(voltageValue);
         Serial.print('V');
         Serial.println();
      float voltage= voltageValue/ (4095 * 16.5);  // converting the reading into 0v-
         Serial.println(voltage);
         Serial.print('V');
         Serial.println();
       //delay(10);
      
      
        // Reading current value
       float currentValue = analogRead(currentPin);
        Serial.println(currentValue);
         Serial.print('A');
         Serial.println();
      float current= currentValue/ (4095/3.0); // converting the reading into 0A -
         Serial.println(current);
          Serial.print('A');
          Serial.println();
      // delay(10);

       //Calaculation for power
        float power = current * voltage ;  
        Serial.println( power);
         Serial.print('Watts');
         Serial.println();


    }

//*/