// I change the text to portuguese. It was fun working with the screen. 

#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
const int switchPin = 6;
int switchState = 0;
int prevSwitchState = 0;
int reply;

void setup() {
  lcd.begin(16, 2);
  pinMode(switchPin, INPUT);
  lcd.print("Ask the");
  lcd.setCursor(0, 1);
  lcd.print("Crystal Ball!");
}

void loop() {
  switchState = digitalRead(switchPin);
  if (switchState != prevSwitchState) {
    if (switchState == LOW) {
      reply = random(8);
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("the ball says:");
      lcd.setCursor(0, 1);
      switch (reply) {
        case 0:
          lcd.print("Yes");
          break;

        case 1:
          lcd.print("Most likely");
          break;

        case 2:
          lcd.print("Certainly");
          break;

        case 3:
          lcd.print("Outlook good");
          break;

        case 4:
          lcd.print("Unsure");
          break;

        case 5:
          lcd.print("Ask again");
          break;

        case 6:
          lcd.print("Doubtful");
          break;

        case 7:
          lcd.print("No");
          break;
      }
    }
  }
  prevSwitchState = switchState;
}