import java.util.Arrays;
import java.util.HashSet;
import java.util.Random;
import java.util.Scanner;
import java.util.Set;

class Game {
    private String secretWord;
    private double remainingAttempts;
    private User currentUser;
    private Set<Character> guess = new HashSet<>();
    private Scanner input = new Scanner(System.in);
    private char[] secretwordarray;

    public Game() {
        setSecretWord();
        setRemainingAttempts();
        setCurrentUser();
    }

    public void setSecretWord() {

        WordBank a = WordBank.getObject();

        secretWord = a.getRandomWord();

    }

    public void getSecretWord() {
        System.out.println(secretWord);

    }

    public void setRemainingAttempts() {
        if (secretWord.equals("there is no word in Word Bank ")) {
            return;
        }

        remainingAttempts = 5.0;

        return;
    }

    public void getRemainingAttempts() {
        System.out.println(remainingAttempts);
    }

    public void setCurrentUser() {
        if (secretWord.equals("there is no word in Word Bank ")) {
            return;
        }

        AuthService a = AuthService.getObject();
        currentUser = a.getlastlogin();
    }

    public User getCurrentUser() {
        return (currentUser);
    }

    public void startGame(User user) {
        if (secretWord.equals("there is no word in Word Bank ")) {
            return;
        }

        secretwordarray = secretWord.toCharArray();

        char[] word = secretWord.toCharArray();

        int j = 0;

        for (int i = 0; i < secretWord.length(); i++) {
            j += 1;
            secretwordarray[i] = '_';
        }
        displayWordState();
        System.out.println("\n This word has " + j + " letters.");
        int z = 0;
        while (true) {
            System.out.println("\nGuess a letter: ");
            if (z < 1) {
                System.out.println("\nPRESS 0 AND GET A HINT (-3 POINTS)");

            }
            String letter = input.nextLine();
            if (letter.equals("0") && z < 1) {
                z += 1;
                if (currentUser.useHint()) {
                    Leaderboard.getObject().updateScore(currentUser, -3);
                    int t = 0;

                    for (int i = 0; i < word.length; i++) {
                        if (secretwordarray[i] != word[i]) {
                            t += 1;

                        }

                    }
                    char[] hint = new char[t];
                    for (int i = 0; i < word.length; i++) {
                        if (secretwordarray[i] != word[i]) {
                            hint[i] = word[i];
                        }

                    }
                    Random r = new Random();
                    int random = r.nextInt(hint.length);

                    for (int k = 0; k < word.length; k++) {
                        if (word[k] == hint[random]) {
                            secretwordarray[k] = hint[random];

                            continue;
                        }
                    }
                    displayWordState();
                    int h = 0;
                    for (char w : secretwordarray) {
                        if (w == '_') {
                            h += 1;

                        }

                    }
                    if (h == 0) {
                        System.out.println("game over");
                        return;
                    }
                    continue;

                }
                continue;
            }
            String a = guessLetter(letter);
            if (a.equals("Correct guess!")) {
                displayWordState();
                if (Arrays.equals(secretwordarray, word)) {
                    System.out.println("You Won");
                    Leaderboard.getObject().updateScore(currentUser, secretWord.length());
                    return;

                }
                continue;

            } else if (a.equals("wrong choice!")) {
                if (secretWord.length() <= 8.0) {
                    remainingAttempts -= 1.0;
                    if (remainingAttempts == 4.0) {
                        System.out.println("      __    _          ");
                        System.out.println("      \\ \\  | |    ");
                        System.out.println(" ______\\ \\ | |   ");
                        System.out.println("|______/ / | |__");
                        System.out.println("      /_/  |_____");
                    }

                    else if (remainingAttempts == 3.0) {
                        System.out.println("      __    _          ");
                        System.out.println("      \\ \\  | |    ___");
                        System.out.println(" ______\\ \\ | |   / _ \\");
                        System.out.println("|______/ / | |__| (_) \\ ");
                        System.out.println("      /_/  |_____\\___/");
                    }

                    else if (remainingAttempts == 2.0) {
                        System.out.println("      __    _               ");
                        System.out.println("      \\ \\  | |    ___  ____ ");
                        System.out.println(" ______\\ \\ | |   / _ \\/  __|");
                        System.out.println("|______/ / | |__| (_) \\__  \\ ");
                        System.out.println("      /_/  |_____\\___/|____/");
                    }

                    else if (remainingAttempts == 1.0) {
                        System.out.println("      __    _                    ");
                        System.out.println("      \\ \\  | |    ___  ____  ___ ");
                        System.out.println(" ______\\ \\ | |   / _ \\/  __|/ _ \\");
                        System.out.println("|______/ / | |__| (_) \\__  \\  __/");
                        System.out.println("      /_/  |_____\\___/|____/\\___|");
                    }

                    else if (remainingAttempts == 0.0) {
                        System.out.println("      __    _                         ");
                        System.out.println("      \\ \\  | |    ___  ____  ___ _ __ ");
                        System.out.println(" ______\\ \\ | |   / _ \\/  __|/ _ \\ |__|");
                        System.out.println("|______/ / | |__| (_) \\__  \\  __/ |     ");
                        System.out.println("      /_/  |_____" + "\\___/|____/" + "\\___|_|   ");

                        return;

                    }
                } else if (secretWord.length() > 8.0) {
                    remainingAttempts -= 0.5;
                    if (remainingAttempts == 4.0 || remainingAttempts == 4.5) {
                        System.out.println("      __    _          ");
                        System.out.println("      \\ \\  | |    ");
                        System.out.println(" ______\\ \\ | |   ");
                        System.out.println("|______/ / | |__");
                        System.out.println("      /_/  |_____");
                    }

                    else if (remainingAttempts == 3.0 || remainingAttempts == 3.5) {
                        System.out.println("      __    _          ");
                        System.out.println("      \\ \\  | |    ___");
                        System.out.println(" ______\\ \\ | |   / _ \\");
                        System.out.println("|______/ / | |__| (_) \\ ");
                        System.out.println("      /_/  |_____\\___/");
                    }

                    else if (remainingAttempts == 2.0 || remainingAttempts == 2.5) {
                        System.out.println("      __    _               ");
                        System.out.println("      \\ \\  | |    ___  ____ ");
                        System.out.println(" ______\\ \\ | |   / _ \\/  __|");
                        System.out.println("|______/ / | |__| (_) \\__  \\ ");
                        System.out.println("      /_/  |_____\\___/|____/");
                    }

                    else if (remainingAttempts == 1.0 || remainingAttempts == 1.5) {
                        System.out.println("      __    _                    ");
                        System.out.println("      \\ \\  | |    ___  ____  ___ ");
                        System.out.println(" ______\\ \\ | |   / _ \\/  __|/ _ \\");
                        System.out.println("|______/ / | |__| (_) \\__  \\  __/");
                        System.out.println("      /_/  |_____\\___/|____/\\___|");
                    }

                    else if (remainingAttempts == 0.0 || remainingAttempts == 0.5) {
                        System.out.println("      __    _                             ");
                        System.out.println("      \\ \\  | |    ___  ____  ___ _ __   ");
                        System.out.println(" ______\\ \\ | |   / _ \\/  __|/ _ \\ |__|");
                        System.out.println("|______/ / | |__| (_) \\__  \\  __/ |     ");
                        System.out.println("      /_/  |_____\\___/|____/\\___|_|     ");
                        return;

                    } else {
                        continue;
                    }

                }

            }

        }

    }

    public String guessLetter(String letter) {

        char[] word = secretWord.toCharArray();

        char lett = letter.charAt(0);
        if (guess.contains(lett)) {
            System.out.println("You have already chosen this letter. ");
            System.out.println("\n " + guess);
            return ("");

        }

        guess.add(lett);
        int o = 0;
        for (int k = 0; k < word.length; k++) {
            if (word[k] == lett) {
                secretwordarray[k] = lett;
                o += 1;
                continue;
            }
        }
        if (o > 0) {
            System.out.println("Correct guess!");

            return ("Correct guess!");
        } else {
            System.out.println("wrong choice!");
            return ("wrong choice!");

        }

    }

    public void displayWordState() {
        String wordState = "";
        for (int i = 0; i < secretwordarray.length; i++) {
            wordState += secretwordarray[i] + " ";
        }
        System.out.println(wordState);

    }

}