#include <LiquidCrystal_I2C.h>
#include <ezButton.h>

LiquidCrystal_I2C LCD1 = LiquidCrystal_I2C(0x27, 20, 4);
LiquidCrystal_I2C LCD2 = LiquidCrystal_I2C(0x28, 20, 4);

int counter = 0;
int totalNumberofQuestions = 2;
int correctAnswerCount = 0;
int incorrectAnswerCount = 0;

ezButton optionA(33);
ezButton optionB(25);
ezButton optionC(19);
ezButton optionD(18);

bool allQuestionsAttempted = false;

// Questions and answers
const char* questions[] = {
  "What is the capital of France?",
  "Who painted the Mona Lisa?",
  // Add more questions as needed
};

const char* options[][4] = {
  {"A. Paris", "B. London", "C. Berlin", "D. Rome"},
  {"A. Leonardo da Vinci", "B. Pablo Picasso", "C. Vincent van Gogh", "D. Michelangelo"},
  // Add corresponding options for each question
};

const char* answers[] = {
  "A. Paris" ,
  "A. Leonardo da Vinci",
  // Add corresponding options for each question
};

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  
  optionA.setDebounceTime(25);
  optionB.setDebounceTime(25);
  optionC.setDebounceTime(25);
  optionD.setDebounceTime(25);

  initilizeLCD1();
  initilizeLCD2();


  LCD1.clear();
  LCD2.clear();
}

void loop() {

    optionA.loop();
    optionB.loop();
    optionC.loop();
    optionD.loop();


    if(counter > totalNumberofQuestions){
      allQuestionsAttempted = true;
      delay(1000);
      LCD1.clear();
      LCD2.clear();
    }

    if(!allQuestionsAttempted){
       
       if (optionA.isPressed()) {
          Serial.println("OPtion A");
          // if(answers[counter] == options[counter][0]){
          //   correctAnswerCount++;
          // }else{
          //   incorrectAnswerCount--;
          // }
          // counter++;
       }else if(optionB.isPressed()){
          Serial.println("OPtion B");
          // if(answers[counter] == options[counter][1]){
          //   correctAnswerCount++;
          // }else{
          //   incorrectAnswerCount--;
          // }
          // counter++;
       }else if(optionC.isPressed()){
          Serial.println("OPtion C");
          // if(answers[counter] == options[counter][2]){
          //   correctAnswerCount++;
          // }else{
          //   incorrectAnswerCount--;
          // }
          // counter++;
       }else if(optionD.isPressed()){
          Serial.println("OPtion D");
          // if(answers[counter] == options[counter][3]){
          //   correctAnswerCount++;
          // }else{
          //   incorrectAnswerCount--;
          // }
          // counter++;
       }
       displayQuestion(counter);
    }else{
      showResults();
    }

   
    delay(10); 
}


void initilizeLCD1(){
    LCD1.init();
    LCD1.backlight();
    LCD1.setCursor(2, 0);
    LCD1.print("Welcome to");
    LCD1.setCursor(4, 2);
    LCD1.print("Project MCQ");
    delay(1000);

}

void initilizeLCD2(){
    LCD2.init();
    LCD2.backlight();
    LCD2.setCursor(5, 1);
    LCD2.print("Setup Done!");
    delay(1000);
}

void displayQuestion(int questionIndex) {
  LCD1.setCursor(0, 0);
  LCD1.print(questions[questionIndex]);

  LCD2.setCursor(0, 0);
  for (int i = 0; i < 4; i++) {
    LCD2.print(options[questionIndex][i]);
    LCD2.setCursor(0, i + 1);
  }
}

void showResults(){
  LCD1.setCursor(0,0);
  LCD1.print("SCORE BOARD");

}