#include <IRremote.h>
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 4, 5, 6, 7);


// Create IR transmitter object

unsigned long hexCode1;
int buttonPin1 = A0;
int buttonValue1 = 0;
int buttonPin2 = A1;
int buttonValue2 = 0;
const int IR_LED_PIN = 3;
IRsend irSender;
IRsend irsend(IR_LED_PIN);
int IR_RECV_PIN = 2;
IRrecv irrecv(IR_RECV_PIN);
decode_results results;

void setup()
{
  pinMode(3, OUTPUT);
  lcd.clear();
  Serial.begin(9600);
  lcd.begin(16, 2);
  digitalWrite(3, LOW);
  irSender.begin(3);
  irrecv.enableIRIn();
  }
void waitForIRSignal() {
  unsigned long startMillis = millis();  // Start a timer to track time
  bool receivedSignal = false;  // To track if the signal is received
  
  while (!irrecv.decode(&results)) {
    if (millis() - startMillis > 5000) {  // Timeout after 5 seconds
      Serial.println("Timeout: No IR signal received.");
      lcd.clear();
      lcd.print("Timeout");
      delay(1000);  // Display timeout message for a moment
      lcd.clear();  // Clear the screen after timeout message
      return;  // Exit the function if no signal is received within timeout
    }
    delay(10);  // Short delay to avoid overwhelming the processor
  }

  // Once a valid signal is received
  Serial.print("IR code received: ");
  Serial.println(results.value, HEX);  // Print the decoded IR code in HEX format
  hexCode1 = results.value;  // Store the received IR code
  lcd.clear();
  lcd.print("Code Bound");
  delay(1000);  // Display the "Code Bound" message for 1 second
  lcd.clear();  // Clear the screen after the message
  irrecv.resume();  // Prepare for the next signal 
}
void loop()
{
  buttonValue2 = analogRead(buttonPin2);
  if(buttonValue2 > 1000){
    lcd.clear();
   lcd.print("Bind New Code: 1");
   waitForIRSignal();
   }
  buttonValue1 = analogRead(buttonPin1);
  if(buttonValue1 > 1000){
   Serial.println("Sending Code");
   lcd.clear();
   lcd.print("Sending...");
   irsend.sendNECRaw(0xED12BF40);
   delay(1000); // Wait 1 seconds before sending again
  }else{
    lcd.clear();
    lcd.print("Not Pressed");
    delay(100);
  }
}