#include "DisplayManager.h"

DisplayManager::DisplayManager()
  : lcd(0x27, 16, 2), lastUpdate(0) {}

void DisplayManager::begin() {
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("Humidity controll");
}

bool DisplayManager::ready(unsigned long now) {
  if (now - lastUpdate < interval) return false;
  lastUpdate = now;
  return true;
}

void DisplayManager::showText(String line1, String line2) {
  if (line1 == lastLine1 && line2 == lastLine2) {
    return;
  }

  lastLine1 = line1;
  lastLine2 = line2;

  lcd.clear();

  lcd.setCursor(0, 0);
  lcd.print(line1);

  lcd.setCursor(0, 1);
  lcd.print(line2);
}