MasterMind_boardGame

package extra;

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

/*
 *Author: Donghui Yu
 *use programming knowledge and skills leaned from school to implement this chessboard game
 */

public class MasterMind_boardGame{

    public static String[] codeEntered(String codeEntered_string) {//method 1
        String[] codeEntered_arrayRaw = new String[codeEntered_string.length()];//create unprocessed array
        int numBlank = 0;//create counter
        for(int i = 0; i < codeEntered_string.length();i++) {
            if(codeEntered_string.charAt(i) != ' ') {//when no blanks
                codeEntered_arrayRaw[i] = "" + codeEntered_string.charAt(i);//assign char variable to array
            }else {
                numBlank++;//count the number of blanks
                codeEntered_arrayRaw[i] = "";
            }
        }
        String[] codeEntered_arrayFine = new String[codeEntered_string.length()-numBlank];//create new array that is going to be returned
        int counterCodeEntered = 0;//create the counter for codeEntered_arrayFine
        for (int i = 0; i < codeEntered_string.length(); i++) {
            if (!(codeEntered_arrayRaw[i].equals(""))) {
                codeEntered_arrayFine[counterCodeEntered] = codeEntered_arrayRaw[i];
                counterCodeEntered ++;
            }
        }
        return(codeEntered_arrayFine);//return
    }



    public static String[] shuffle(String[] array) {//method 2--use switch to shuffle the array
        Random randomGeneratorInMethod = new Random();
        for(int i = 0; i < array.length; i++) {//randomly switch the array for 24 times in order to make the array as random as possible
            int temptIndex = randomGeneratorInMethod.nextInt(array.length);
            String tempt = array[i];
            array[i] = array[temptIndex];
            array[temptIndex] = tempt; //switching the variables in array
        }
        return array;//return

    }



    public static String[] compareArray(String[] arrayPlayer, String[] arrayCode) {//method 3
        String[] arrayResult = new String[4];//create a new array which stores the comparing result of 'ø' or 'o'
        for(int i = 0; i < arrayPlayer.length; i++) {
            if (arrayPlayer[i].equals(arrayCode[i])) {
                arrayResult[i] = "ø";//both color(type) and order is correct
            } else {
                boolean colorRightOrderWrong = false; //set boolean value: the color is correct but the order is wrong
                for(int k = 0; k < arrayResult.length; k++) {
                    if (arrayPlayer[i].equals(arrayCode[k])) {
                        colorRightOrderWrong = true;
                        arrayResult[i] = "o";//correct color but wrong order
                    }
                }
                if (! colorRightOrderWrong) {//when both color and order are wrong
                    arrayResult[i] = "";//assign "nothing"(nothing will display on the screen)
                }
            }
        }
        return arrayResult;//return
    }



    public static void main(String[] args) throws Exception {//main method


        Scanner scanNormal = new Scanner(System.in);//create a normal scanner to receive input from user
        PrintWriter writerCodePeg = new PrintWriter("codePegs.txt");//create new print writer
        File fileCodePeg = new File("codePegs.txt");//create file
        PrintWriter writerRecording = new PrintWriter("record.txt");//create; used to record win and lose of a single player

        for(int i = 0; i < 6; i++) {//store 24 code pegs into codePeg.txt
            writerCodePeg.println("r");
            writerCodePeg.println("y");
            writerCodePeg.println("b");
            writerCodePeg.println("g");
            writerCodePeg.println("v");
            writerCodePeg.println("i");
        }
        writerCodePeg.close();//save the file

        //print rules
        System.out.println("RULES: in this game, there are a hidden code and you are supposed to decode by inputing 4 code pegs");
        System.out.println("you have 8-12 turns to decode depending on the difficulty you choose");
        System.out.println("the hidden code consists of 4 different code pegs; ");
        System.out.println("there are totally 6 different code pegs, each type has 4 code pegs");
        System.out.println("r for red, y for yellow, b for blue, g for green, v for violet, i for indigo");
        System.out.println("the console will print 'ø' for both order and color is correct ");
        System.out.println("and output 'o' for correct color but wrong order");
        System.out.println("System will not print anything if you enter the wrong color");
        System.out.println("however, player, the result is shuffled!");
        System.out.println("believe yourself and try your best :) ");
        System.out.println("");
        System.out.println("");
        System.out.println("");


        System.out.println("WELCOME to MASTERMIND!!!  what is your name, player?");
        String name = scanNormal.nextLine();
        System.out.println("Feel HAPPY! to play this game, "+name);



        boolean boolMoreRounds = true;//set a boolean variable to make the big loop work;
        while (boolMoreRounds) {//the big loop will iterate if the player wants to play more
            Scanner scanFile = new Scanner(fileCodePeg);//create scanner of file
            String[] codePegArray = new String[24];//there should only 24 elements in the code peg array
            for(int i = 0; i < 24; i++) {//assign values to array
                codePegArray[i] = scanFile.next();
            }//to get the array of all code pegs
            scanFile.close();//close the scanFile


            System.out.println("which difficulty level you want to play, "+name+"? enter 1 for easy(12 turns to decode) and enter 2 for hard(8 turns to decode)");
            int difficulty = scanNormal.nextInt();//ask for difficulty
            scanNormal.nextLine();//to convenient the following input
            int turns = 12;//set and initialize how many turns the player is  going to play

            if ((difficulty != 1)&&(difficulty != 2)) {
                System.out.println("Sorry, the console cannot identify what you entered, due to the choice you choose, you have 12 turns to decode");
                turns = 12;
            }else if(difficulty == 1){
                System.out.println("Thanks for your wise decision, you now have 12 turns to decode");
                turns = 12;
            }else if(difficulty == 2) {
                System.out.println("Thanks for your wise decision, you now have 8 turns to decode");
                turns = 8;
            }
            System.out.println("");
            System.out.println("");


            String[] codeArray = new String[4];//create the blank array which will store the code
            String[] codeShuffleArray = shuffle(codePegArray);//shuffle to create the code
            for(int i = 0; i < 4; i++) {//assign values to code array
                codeArray[i] = codeShuffleArray[i];
            }



            boolean winLose = false;//create and initialize; winLose will be true when the player win this round, otherwise, false
            for(int i = 0; i < turns; i++) {//start the real game
                System.out.println("turn " + (i+1));
                System.out.println("enter your code with 4 code pegs");
                String codeEnteredString = scanNormal.nextLine();//prompt the user to enter their codes
                String[] codeEnteredArray = codeEntered(codeEnteredString);//convert input to array
                boolean formatCorrect = false;//set and initialize the boolean
                if(codeEnteredArray.length == 4) {
                    formatCorrect = true;//when the user enter 4 code pegs, formatCorrect is true; if not, false
                }
                while(formatCorrect == false) {//to make sure the user enters in the correct format
                    System.out.println("please enter your code with 4 code pegs");
                    codeEnteredString = scanNormal.nextLine();//prompt the user to enter their codes
                    codeEnteredArray = codeEntered(codeEnteredString);//convert input(string) to array
                    if(codeEnteredArray.length == 4) {
                        formatCorrect = true;//to end the loop
                    }else {
                        formatCorrect = false;
                    }
                }


                System.out.print("                     result: ");
                String[] resultArray = compareArray(codeEnteredArray , codeArray);//compare the input from player and the code
                String[] resultShuffleArray = shuffle(resultArray);//shuffle the result
                for(int a = 0; a < 4; a++) {
                    System.out.print(resultShuffleArray[a]);//print the result
                }
                System.out.println("");
                if ((resultArray[0].equals("ø"))&&(resultArray[1].equals("ø"))&&(resultArray[2].equals("ø"))&&(resultArray[3].equals("ø"))) {//when decoding successfully
                    winLose = true;
                    i = turns;//to end the loop
                } else {
                    winLose = false;
                }
            }




            if(winLose) {//when winning
                System.out.println("Congratulation, WIN!!!");
                writerRecording.println("win");//recording the winning of player
            }else if (! winLose) {//when losing
                System.out.println("Unluckily, you lose");
                System.out.println("the code is " + codeArray[0]+codeArray[1]+codeArray[2]+codeArray[3]);
                writerRecording.println("lose");//recording the losing of player
            }
            System.out.println("do you want another game round? enter 1 for yes and 2 for no");
            int willOfPlayer = scanNormal.nextInt();
            if(willOfPlayer == 1) {
                boolMoreRounds = true;//the player wants to play more
            }else if(willOfPlayer == 2) {
                boolMoreRounds = false;//the player wants to stop
            }else {
                System.out.println("the console cannot identify what you entered, the game round is now over");
                boolMoreRounds = false;//cannot identify what the player wants, the program automatically end the game
            }



        }
        writerRecording.close();//save win and lose
        scanNormal.close();//close scanner
    }

}