package eg.edu.alexu.csd.datastructure.hangman.cs69;
import java.util.Random;
import eg.edu.alexu.csd.datastructure.hangman.IHangman;
public class Hangman implements IHangman {
    String[] dict = new String[1500];
    int arrSize = 0, maxGuesses;
    int wrongGuesses = 0;
    static String word = "",sec = "";
    static String res = "";
    @Override
    public void setDictionary(String[] words) {
        for(String i : words )
        {
            dict[arrSize++] = i;
        }
    }

    @Override
    public String selectRandomSecretWord() {
        Random ran = new Random();
        int index = ran.nextInt(arrSize);
        word = dict[index].toUpperCase();
        sec = dict[index];
        int len = word.length();
        for(int i = 0 ; i < len ; i++)res+='-';
        return dict[index];
    }

    @Override
    public String guess(Character c) {
        char[] temp;
        if(c == null)return res;
        if(word.indexOf(c) == -1)
        {
            wrongGuesses++;
            if(wrongGuesses == maxGuesses)return null;
            return res;
        }
        else
        {
            int pos = 0;
            while(word.indexOf(c) != -1)
            {
                pos = word.indexOf(c);
                temp = res.toCharArray();
                temp[pos] = sec.charAt(pos);
                res = String.valueOf(temp);
                temp = word.toCharArray();
                temp[pos] = '-';
                word = String.valueOf(temp);
            }
            return res;
        }
    }

    @Override
    public void setMaxWrongGuesses(Integer max) {
        if(max == null){maxGuesses = 0;
        return;
    }
        maxGuesses = max;
    }

}