#include <LiquidCrystal.h>
#include <hardware/gpio.h>
#include <ArduinoJson.h>

const char* triviaData = "{\"question\": \"The capital of India is Delhi\", \"answer\": \"true\"},\n{\"question\": \"Tamil is  best language \", \"answer\": \"true\"}";

// String fruits[4] = {"apple", "banana", "orange", "grape"};

const int buttonPin = 14;  // Change to the GPIO pin you used for the button
LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

int buttonState = 0;  // Variable to store the button reading

void setup() {
  Serial.begin(9600);  // Initialize serial communication for debugging (optional)

  lcd.begin(16, 2);
  lcd.print("Quiz Game");
  // lcd.setCursor(2, 1);
  // lcd.print("> Pi Pico <");

  pinMode(buttonPin, INPUT);  // Set the button pin as an input
}

void loop() {

// char json[] = "{\"Q2\":\"The\",\"time\":1351824120,\"data\":[48.756080,2.302038]}";
char json[] = "{\"Q2\":\"Tamil is best language \",\"time\":1351824120,\"data\":[48.756080,2.302038]}";
// char json[] = "{\"sensor\":\"gps\",\"time\":1351824120,\"data\":[48.756080,2.302038]}";

JsonDocument doc;
deserializeJson(doc, json);

// const char* q2 = doc["Q2"];
String q2 = "This is running text";
const char* sensor = doc["sensor"];
const char* q02 = doc["Q2"];
long time          = doc["time"];
double latitude    = doc["data"][0];
double longitude   = doc["data"][1];

Serial.println(q02);
// Serial.println(sensor);
// Serial.println(time);
lcd.setCursor(2, 1);
// lcd.print(sensor);
// lcd.print(time);

////////////////////////  

  delay(500);


  //////////////////
  buttonState = digitalRead(buttonPin);  // Read the button state
  int textPosition = 0;

  if (buttonState == LOW) {
    delay(500);
    lcd.clear();
    // Shift the text by one position
    String shiftedText = q2.substring(textPosition) + q2.substring(0, textPosition);
    // Print the shifted text
    lcd.print(shiftedText);
    lcd.print(q02);
    delay(250); // Adjust delay for desired speed

    textPosition++;

    // Reset text position if it goes off screen
    if (textPosition >= q2.length()) {
      textPosition = 0;
    }


  // lcd.print("test");

  // lcd.setCursor(1, 1);  // Set cursor to the beginning of the first line
  // lcd.print(fruits[0]); // Print the first fruit ("apple")
  // lcd.print(fruits[0]);  // Print the first element ("apple")
     // If button is pressed (LOW means pressed)
    // lcd.clear();  // Clear the LCD display
  // }

  // delay(5);  // Small delay to avoid bouncing (adjust as needed)
}
}

//////////////////////