/*
  Wokwi | questions
  help meee
  hariyadi — 5:42 AM 9/10/26
  Project Link: https://wokwi.com/projects/474767547808252929?gh=1
*/

#include <Wire.h>
#include <LiquidCrystal_I2C.h>

const int LED_PIN =  7;
const int BTN_PIN = 12;
// Ganti teks di bawah ini dengan teks yang ingin Anda tampilkan,
// lalu tambahkan durasi tampilan di bagian akhir.
const char* TEXT[][3] = {
  "Kita Lewati", "Berdua", "2000",
  "Namun", "Percayalah ", "2000",
  "Kita Kan", "Lewati Berdua", "3000",
  "Dikala Hujan", "Turun Deras", "4000",
  "Pekatnya Badai", "Mungkin Terasa", "4000"
};

int count = 0;
int numberOfText = sizeof(TEXT) / sizeof(TEXT[0]);
unsigned long prevTime = 0;

LiquidCrystal_I2C lcd(0x27, 16, 2);

void tampil(char* baris1, char* baris2) {
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print(baris1);
  lcd.setCursor(0, 1);
  lcd.print(baris2);
}

void setup() {
  Serial.begin(115200);
  lcd.init();
  lcd.backlight();
  pinMode(LED_PIN, OUTPUT);
  pinMode(BTN_PIN, INPUT_PULLUP);
  // initialize
  tampil(TEXT[count][0], TEXT[count][1]);
  prevTime = millis();
}

void loop() {

  if (millis() - prevTime >= atoi(TEXT[count][2])) {
    Serial.print("Index: ");
    Serial.print(count);
    Serial.print('\t');
    Serial.println(millis() - prevTime);

    count++;
    if (count >= numberOfText) count = 0;

    tampil(TEXT[count][0], TEXT[count][1]);

    prevTime = millis();
  }

  if (digitalRead(BTN_PIN) == LOW) {
    digitalWrite(LED_PIN, HIGH); // led on
  } else  {
    digitalWrite(LED_PIN, LOW);  // led off
  }

}