game.java

import java.io.*;
import java.util.Scanner;


public class game {
  public static void main(String[] args) throws IOException {
    Scanner input = new Scanner(System.in);

    BufferedReader questionReader = new BufferedReader(new FileReader("./questions.txt"));
    questionReader.readLine();
    PrintWriter questionWriter = new PrintWriter(new BufferedWriter(new FileWriter("./questions.txt")));

    BufferedReader scoresReader = new BufferedReader(new FileReader("./scores.txt"));
    scoresReader.readLine();
    PrintWriter scoresWriter = new PrintWriter(new BufferedWriter(new FileWriter("./scores.txt")));


    admin database = new admin();
    leaderboard lead = new leaderboard();
    String option, attempt, question, answer, answer1, answer2, answer3, line;
    String username;
    int numCorrect, numAnswered, index;
    int correctAnswered = 0;
    int numberAnswered = 0;
    int tries = 2;
    String password = "hawks";

    while ((line = questionReader.readLine()) != null) {
      question = line;
      answer = questionReader.readLine();
      answer1 = questionReader.readLine();
      answer2 = questionReader.readLine();
      answer3 = questionReader.readLine();
      database.addQandA(question, answer, answer1, answer2, answer3);
    }

    while ((line = scoresReader.readLine()) != null) {
      username = line;
      numCorrect = Integer.parseInt(scoresReader.readLine());
      numAnswered = Integer.parseInt(scoresReader.readLine());
      leaderboard.addLeaderboard(username, numCorrect, numAnswered);
    }

    while (true) {
      lead.sortBoard();
      System.out.println("Welcome to my Trivia Game!\n");
      System.out.println("1) Play Game");
      System.out.println("2) Leaderboard");
      System.out.println("3) Administrator");
      System.out.println("4) exit");
      System.out.println("\nChoose an Option");
      option = input.nextLine().trim();
      if (option.equals("1")) {//play game option.
        if (database.databaseSize() < 10) {
          System.out.println("You can't play the game. Not enough questions have been inputted");
        } else {
          numberAnswered = 0;
          correctAnswered = 0;
          password = "";
          database.randomizeQAndA();
          database.createGame();
          System.out.println("Do you wish to play?");
          option = input.nextLine().trim();
          if (option.equalsIgnoreCase("yes")) {
            System.out.println("You will be asked a series of 10 questions");
            System.out.println("Answer one correctly and you get a point");
            System.out.println("Are you ready type \"yes\" to start the game\nOr \"exit\" to go to main menu");
            option = input.nextLine().trim();
            if (!option.equals("exit")) {
              for (int i = 0; i < 10; i++) {
                int questionnumber = i + 1;
                System.out.println("Question " + questionnumber);
                System.out.println(database.getQuestion(i));
                System.out.println("A)" + database.getAnswer1(i));
                System.out.println("B)" + database.getAnswer2(i));
                System.out.println("C)" + database.getAnswer3(i));
                System.out.println("D)" + database.getAnswer4(i));
                System.out.println("Enter an answer choice");
                option = input.nextLine().trim().toLowerCase();
                if (!(option.equalsIgnoreCase("a")) && !(option.equalsIgnoreCase("b")) && !(option.equalsIgnoreCase("c")) && !(option.equalsIgnoreCase("d")) && !(option.equalsIgnoreCase("1")) && !(option.equalsIgnoreCase("2")) && !(option.equalsIgnoreCase("3")) && !(option.equalsIgnoreCase("4"))) {
                  System.out.println("Enter either \"A\"  \"B\"  \"C\"  or  \"D\"");
                  System.out.println("Enter either \"1\"  \"2\"  \"3\"  or  \"4\"");
                } else {
                  if (option.equalsIgnoreCase("a")) {
                    for (int x = 0; x < database.databaseSize(); x++) {
                      if (database.getQuestion(i).equals(database.displayQuestion(x))) {
                        if (database.getAnswer1(i).equals(database.displayCorAns(x))) {
                          System.out.println("Correct!");
                          correctAnswered++;
                          numberAnswered++;
                        } else {
                          System.out.println("Wrong!");
                          numberAnswered++;
                        }
                      }
                    }
                  } else if (option.equalsIgnoreCase("b")) {
                    for (int x = 0; x < database.databaseSize(); x++) {
                      if (database.getQuestion(i).equals(database.displayQuestion(x))) {
                        if (database.getAnswer3(i).equals(database.displayCorAns(x))) {
                          System.out.println("Correct!");
                          correctAnswered++;
                          numberAnswered++;
                        } else {
                          System.out.println("Wrong!");
                          numberAnswered++;
                        }
                      }
                    }
                  } else if (option.equalsIgnoreCase("c")) {
                    for (int x = 0; x < database.databaseSize(); x++) {
                      if (database.getQuestion(i).equals(database.displayQuestion(x))) {
                        if (database.getAnswer3(i).equals(database.displayCorAns(x))) {
                          System.out.println("Correct!");
                          correctAnswered++;
                          numberAnswered++;
                        } else {
                          System.out.println("Wrong!");
                          numberAnswered++;
                        }
                      }
                    }
                  } else if (option.equalsIgnoreCase("d")) {
                    for (int x = 0; x < database.databaseSize(); x++) {
                      if (database.getQuestion(i).equals(database.displayQuestion(x))) {
                        if (database.getAnswer4(i).equals(database.displayCorAns(x))) {
                          System.out.println("Correct!");
                          correctAnswered++;
                          numberAnswered++;
                        } else {
                          System.out.println("Wrong!");
                          numberAnswered++;
                        }
                      }
                    }
                  }
                }
              }
            }
            System.out.println("You got " + correctAnswered + " answers correct out of " + numberAnswered);
            System.out.println("Would you like to save your score?");
            System.out.println("If yes, type \"1\" or type \"yes\"");
            System.out.println("If no, type \"2\" or type \"exit\"");
            option = input.nextLine();
            if (option.equals("1") || option.equals("yes")) {
              if(lead.returnNumUsers()==0){
                System.out.println("Enter a username: ");
                username = input.nextLine();
                System.out.println("Score: \n\tNumber Correct: " + correctAnswered+"\n\tNumber Answered: " + numberAnswered);
                lead.addLeaderboard(username,correctAnswered,numberAnswered);
              } else {
                System.out.println("Enter a username: ");
                username = input.nextLine();
                for (int i = 0; i < lead.returnNumUsers(); i++) {
                  System.out.println("test");
                  if (username.equals(lead.displayUsername(i))) {
                    System.out.println("This user already exists, if this is you enter the password");
                    password = input.nextLine();
                    System.out.println("Confirm if this is you type \"yes\" or \"1\" to add score to this user or type \"no\" or \"2\" to create new user");
                    if(password.equals("yes")||password.equals("1")){
                      System.out.println("Score: \n\tNumber Correct: " + correctAnswered+"\n\tNumber Answered: " + numberAnswered + "\n\tAverage: " + lead.getScore(i));
                      lead.setLeaderboard(username,correctAnswered,numberAnswered,i);
                      break;
                    } else if(password.equals("no")||password.equals("2")){
                      System.out.println("Enter a new username");
                      username = input.nextLine();
                      System.out.println("Score: \n\tNumber Correct: " + correctAnswered+"\n\tNumber Answered: " + numberAnswered + "\n\tAverage: " + lead.getScore(i));
                      lead.setLeaderboard(username,correctAnswered,numberAnswered,i);
                    }
                  } else {
                    System.out.println("Creating user: " + username);
                    System.out.println("\tNumber Correct: " + correctAnswered);
                    System.out.println("\tNumber Answered: " + numberAnswered);
                    System.out.println("\tScore: " + (correctAnswered/numberAnswered));
                    lead.addLeaderboard(username,correctAnswered,numberAnswered);
                  }
                }
              }

            }
          }
        }
      } else if (option.equals("2")) {//leaderboard option
        while (true) {
          System.out.println("1) View top 10 players");
          System.out.println("2) Search for a player score");
          System.out.println("3) View entire leaderboard");
          System.out.println("4) exit");
          option = input.nextLine().trim();
          if (option.equals("1")) {
            for (int i = 0; i < 10; i++) {
              int playerNum = i + 1;
              System.out.println("Rank " + playerNum + ":\n\tUsername: " + lead.displayUsername(i));
              System.out.println("\tCorrect Answers: " + lead.displayNumCor(i));
              System.out.println("\tTotal Questions: " + lead.displayNumAns(i));
              System.out.println("\tScore:           " + lead.getScore(i));
            }
          } else if (option.equals("2")) {
            System.out.println("Enter the username or rank of the user you want to view");
            option = input.nextLine().trim();
            lead.searchUser(option);
          } else if (option.equals("3")) {
            lead.viewLeaderboard();
          } else if (option.equals("4")) {
            break;
          } else {
            System.out.println("Please choose an option available");
          }
        }
      } else if (option.equals("3")) {//admin option
        System.out.println("Please enter the password or type \"exit\" to leave: ");
        attempt = input.nextLine();
        if (!attempt.equals(password)) {
          while (!attempt.equals(password)) {
            tries--;
            System.out.println("Incorrect password. Try again.\nYou have: " + (tries + 1) + " attempts left.");
            attempt = input.nextLine();
            if (tries == 0) {
              questionWriter.println();
              scoresWriter.println();
              for (int i = 0; i < database.databaseSize(); i++) {
                questionWriter.println(database.displayQuestion(i));
                questionWriter.println(database.displayCorAns(i));
                questionWriter.println(database.displayWrongOne(i));
                questionWriter.println(database.displayWrongTwo(i));
                questionWriter.println(database.displayWrongThree(i));
              }
              for (int i = 0; i < lead.returnNumUsers(); i++) {
                scoresWriter.println(lead.displayUsername(i));
                scoresWriter.println(lead.displayNumCor(i));
                scoresWriter.println(lead.displayNumAns(i));
              }
              questionWriter.close();
              scoresWriter.close();
              System.exit(0);
            }
          }
        }
        tries = 3;
        while (true) {
          System.out.println("1) Add a question?");
          System.out.println("2) Remove a question?");
          System.out.println("3) View the database?");
          System.out.println("4) Exit");
          option = input.nextLine().trim();
          if (option.equalsIgnoreCase("add") || option.equals("1")) {
            do {
              System.out.println("Enter your question: ");
              question = input.nextLine();
              System.out.println("Enter correct answer: ");
              answer = input.nextLine();
              System.out.println("Enter 3 incorrect answers: ");
              answer1 = input.nextLine();
              answer2 = input.nextLine();
              answer3 = input.nextLine();
              database.addQandA(question, answer, answer1, answer2, answer3);
              System.out.println("Do you want to enter new question?");
              option = input.nextLine().trim();
            } while (option.equalsIgnoreCase("yes"));
          } else if (option.equalsIgnoreCase("view") || option.equals("3")) {
            if (database.databaseSize() == 0) {
              System.out.println("The database is empty");
            } else {
              for (int i = 0; i < database.databaseSize(); i++) {
                database.printDatabase(i);
              }
            }
          } else if (option.equalsIgnoreCase("remove") || option.equals("2")) {
            if (database.databaseSize() == 0) {
              System.out.println("The database is empty");
            } else {
              for (int i = 0; i < database.databaseSize(); i++) {
                database.printDatabase(i);
              }
            }
            System.out.println("Enter the question number you want to remove");
            option = input.nextLine().trim();
            if (admin.isNumeric(option)) {
              index = Integer.parseInt(option);
              admin.removeQuestion(index - 1);
            } else {
              System.out.println("There is no question with that number");
            }
          } else if (!(option.equals("4")) || !(option.equalsIgnoreCase("exit"))) {
            break;
          } else {
            System.out.println("Please enter a choice provided");
          }
        }
      } else if (option.equals("4") || option.equalsIgnoreCase("exit")) {
        System.out.println("Thanks for playing!");
        questionWriter.println();
        scoresWriter.println();
        for (int i = 0; i < database.databaseSize(); i++) {
          questionWriter.println(database.displayQuestion(i));
          questionWriter.println(database.displayCorAns(i));
          questionWriter.println(database.displayWrongOne(i));
          questionWriter.println(database.displayWrongTwo(i));
          questionWriter.println(database.displayWrongThree(i));
        }
        for (int i = 0; i < lead.returnNumUsers(); i++) {
          scoresWriter.println(lead.displayUsername(i));
          scoresWriter.println(lead.displayNumCor(i));
          scoresWriter.println(lead.displayNumAns(i));
        }
        break;
      } else {//catch user error
        System.out.println("Please choose a choice available");
      }
    }
    questionWriter.close();
    scoresWriter.close();
  }
}