#define BUTTON_PIN 1  // the number of the pushbutton pin
#define LED_PIN 2     // the number of the LED pin

// transmitter Include Libraries

#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>

//create an RF24 object
RF24 radio(0, 6);  // CE, CSN

//address through which two modules communicate.
const byte address1[6] = "00001";
const byte address2[6] = "00002";
const byte address3[6] = "00003";

const int nodeNumber = 1;       // modify the nodeNumber as per the node you program 1,2,3
const byte address[6] = "00001";  // modify the address as per the node you program "00001" , "00002", "00003"

int  targetNode = 3;


int counter = 1;
int nodeCount = 3;

bool node1LedStatus = false;
bool node2LedStatus = false;
bool node3LedStatus = false;




bool ledState = false;         // the current state of the LED
int buttonState;               // the current reading from the input pin
bool lastButtonState = false;  // the previous reading from the input pin


// the following variables are long because the time, measured in milliseconds,
// will quickly become a bigger number than can be stored in an int.
unsigned long lastDebounceTime = 0;  // the last time the output pin was toggled
unsigned long debounceDelay = 50;    // the debounce time; increase if the output flickers

void setup() {
  pinMode(BUTTON_PIN, INPUT_PULLUP);
  pinMode(LED_PIN, OUTPUT);
  Serial.begin(115200);
  // set initial LED state
  digitalWrite(LED_PIN, ledState);

  radio.begin();

  radio.openReadingPipe(0, address);
  radio.startListening();
}

void loop() {


  if (radio.available()) {

    char text[32] = {0};
    radio.read(&text, sizeof(text));
    String Data = String(text);
    Serial.println(Data);
    // if ( Data == "ON") {
    //   ledState = true;
    // }
    // if (Data == "OFF") {
    //   ledState = false;
    // }
  }




  // read the state of the switch into a local variable:
  int reading = digitalRead(BUTTON_PIN);

  // check to see if you just pressed the button
  // (i.e., the input went from LOW to HIGH), and you've waited long enough
  // since the last press to ignore any noise:

  // If the switch changed, due to noise or pressing:
  if (reading != lastButtonState) {
    // reset the debouncing timer
    lastDebounceTime = millis();
  }

  if ((millis() - lastDebounceTime) > debounceDelay) {
    // whatever the reading is at, it's been there for longer than the debounce
    // delay, so take it as the actual current state:

    // if the button state has changed:
    if (reading != buttonState) {
      buttonState = reading;

      // only toggle the LED if the new button state is HIGH
      if (buttonState == HIGH) {
        // Serial.println(counter);
        // if (counter >= (nodeCount+1)) {
        //   counter = 1;
        // }
        // if (counter == nodeNumber) {
        //   if(counter != nodeCount)
        //   {
        //     counter++;
        //   }
        //   else
        //   {
        //     counter = 1;
        //   }
          
        // }      
        // sendTrigger(counter);
        sendTrigger(targetNode);
        // counter++;
        
        ledState = !ledState;
      }
    }
  }



  // set the LED:
  digitalWrite(LED_PIN, ledState);

  // save the reading. Next time through the loop, it'll be the lastButtonState:
  lastButtonState = reading;
}



void sendTrigger(int nodeSelect) {

  bool triggerStatus = false;
  Serial.println(nodeSelect);
  switch (nodeSelect) {
    case 1:
      triggerStatus = node1LedStatus;
      node1LedStatus = !node1LedStatus;
      radio.openWritingPipe(address1);

      break;
    case 2:
      triggerStatus = node2LedStatus;
      node2LedStatus = !node2LedStatus;
      radio.openWritingPipe(address2);
      break;
    case 3:
      triggerStatus = node3LedStatus;
      node3LedStatus = !node3LedStatus;
      radio.openWritingPipe(address3);
      break;
  }

  radio.stopListening();

  if (triggerStatus) {

    char text[32] = "8 1";
    radio.write(&text, sizeof(text));
    delay(100);
  } else {
    char text[32] = "8 0";
    radio.write(&text, sizeof(text));
    delay(100);
  }



  radio.openReadingPipe(0, address);

  radio.startListening();
}