/**
 * This class will keep the game variables from the Answer and Row classes
 * 
 * @author Reid Roper and Nick Lamb
 * @1.0
 */
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

public class Game
{
    BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
    /**
     * The game constructor initializes the game variables
     * 
     * @author Reid Roper and Nick Lamb
     * @version 1.0
     * @param pegs the number of pegs
     * @param colors the number of colors
     * @param the number of guesses the user gets
     * @precondition none of the variables are set
     * @postcondition all of the variables are set
     */
    Game(int pegs, int colors, int numGuess)
    {
        this.gameHist = new Row [numGuess];
        this.trys = 1;
        answer = new Answer(pegs,colors);
        answer.createAnswer();
        this.pegs = pegs;
        this.colors = colors;
    }
    
    /**
     * This method will store a new verified guess in a history
     * it will also have the guess scored.
     * 
     * @author Reid Roper and Nick Lamb
     * @version 1.0
     * @param i this int is the number of tries the person is on
     *          the i sets the gameHist[i] (an array of Rows) the
     *          next row of guesses
     */
    public void newGuess(int i) throws IOException
    {
        this.trys = 1 + i;   
        gameHist[i] = new Row(this.pegs); //adds a row to the gameHist array
        gameHist[i].setAnswer(answer);    //sets an answer in the new Row
        
        Guess(in);    
        
        gameHist[i].recordGuess(numbers);  //numbers is set in the Guess(in), this stores
        
        gameHist[i].scoreGuess();      //scores blacks and whites
    }
    
    /**
     * This method will clear the screen and print out all of the previous guesses and
     * score for the game.
     * 
     * @author Reid Roper and Nick Lamb
     * @version 1.0
     * 
     */
    public void printGame()
    {
        System.out.print('\u000C');
        
        for(int i = 0; i < trys; i++)
        {
            gameHist[i].print();
        }
    }
    
    /**
     * This method will take the guess from the user and make sure that
     * the inputs were valid.
     * 
     * @author Reid Roper and Nick Lamb
     * @version 1.0
     * @param in thie BufferedReader is used in getting info from the user
     * @return run this boolean is used to keep looping till a good guess is made
     */
    private void Guess(BufferedReader in) throws IOException
    {
        boolean done = false;  //will stop the loop
        while(!done)
        {
        String guess = in.readLine();
        char [] chararray = guess.toCharArray();  //turn to char array
        numbers = new int [this.pegs];        //make array the size of pegs
        int b = 0;                            //for the spot in the array
        
        try
        {
            for(int i = 0; i <= (chararray.length - 1); i += 2)//starts at zero, gets every other number
            {         
                String test = new String(chararray,i,1);           //make every other char a string
                numbers[b] = Integer.parseInt(test);           //put the number in that array
                
                if(numbers[b] < 1 || numbers[b] > this.colors)  //check if between 1 and colors
                    throw new InvalidRangeException("Please enter a number between 1 and " + this.colors + ".");
                
                b++;   //if thrown above, does not reach here, therefore the next
            }          //spot in number will be used if the previous is valid
            done = true;  //finished
        }
        catch(NumberFormatException exception) //catch
        {
            System.out.println("You have entered an invalid guess, please try again.");
        }
        catch(InvalidRangeException exception)
        {
            System.out.println(exception);
        }
    }
    }
    
    /**
     * This method will get a Row from the history
     * 
     * @author Reid Roper and Nick Lamb
     * @version 1.0
     * @param index this int is the index spot you want from the array
     * @return gameHist[] this is a Row from the history
     */
    public Row getHist(int index)
    {
        return this.gameHist[index];
    }
    
    /**
     * This method will call the print fuction of the answer class
     * 
     * @author Reid Roper and Nick Lamb
     * @version 1.0
     * 
     */
    public void printAnswer()
    {
        answer.print();
        
    }
    
    private Answer answer;
    private Row gameHist [];
    private int trys;
    private int pegs;
    private int colors;
    private int [] numbers;
    
}