#include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

const int CIRCUT_ONE = 13;
const int CIRCUT_TWO = 3;
const int LED_GREEN = 6;
const int LED_RED = 5;
const int RESET_BUTTON = 4;
const int ALARM_BUZZER = 2;

void normal_mode() {
  analogWrite(LED_RED, 0);
  digitalWrite(ALARM_BUZZER, LOW);
  analogWrite(LED_GREEN, 250);
  message("Normal modus");
  delay(100);
}

void alarm_mode(String msg) {
  analogWrite(LED_RED, 250);
  digitalWrite(ALARM_BUZZER, HIGH);
  analogWrite(LED_GREEN, 0);
  delay(100);
  message(msg);
}

void message(String msg) {
  lcd.begin(16, 2);
  lcd.print(msg);
}

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

  pinMode(CIRCUT_ONE, INPUT);
  pinMode(CIRCUT_TWO, INPUT);
  pinMode(ALARM_BUZZER, OUTPUT);
  pinMode(RESET_BUTTON, INPUT);
  pinMode(LED_RED, OUTPUT);
  pinMode(LED_GREEN, OUTPUT);

  normal_mode();
}

void loop() {
  int circut_one_triggered = digitalRead(CIRCUT_ONE);
  int circut_two_triggered = digitalRead(CIRCUT_TWO);
  int reset_button = digitalRead(RESET_BUTTON);

  if(circut_one_triggered){
    alarm_mode("Etasje 1 Brann!");
  }

  if(circut_two_triggered){
    alarm_mode("Etasje 2 Brann!");
  }

  if(reset_button){
    normal_mode();
  }
}