//Serial monitor reading
//https://www.circuitbasics.com/how-to-read-user-input-from-the-arduino-serial-monitor/

int temp = 24;
int Rh = 55;
int pressure = 32;
int menuChoice;
int question = 1;

void setup() {
  Serial.begin(9600);

  Serial.println("1. Temperature");
  Serial.println("2. Humidity");
  Serial.println("3. Barometric Pressure");
}

void loop() {

if (Serial.available() == 0 && question == 1) {
  Serial.println("");
  Serial.println("Which sensor would you like to read?");
  question = 0;
}

menuChoice = Serial.parseInt();

if (menuChoice == 1) {
  // temp sensor code goes here
  Serial.print("The temperature is: ");
  Serial.println(temp);
  question = 1;
}

if (menuChoice == 2) {
  // humidity sensor code goes here
  Serial.print("The humidity is: ");
  Serial.println(Rh);
  question = 1;
}

if (menuChoice == 3) {
  // pressure sensor code goes here
  Serial.print("The barometric pressure is: ");
  Serial.println(pressure);
  question = 1;
}

if (menuChoice != 1 && menuChoice != 2 && menuChoice != 3 && menuChoice != 0) {
  Serial.println("Please choose a valid selection. Valid choices are from 1 to 3.");
  question = 1;
}

}