import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class main {

    public static GameState gameState;
    public static JLabel wordLabel;
    public static HangmanPanel hangmanPanel;
    public static JTextField inputField;
    public static JLabel messageLabel;

    public static long startTime;
    public static long endTime;
    public static int score;

    /* Fonction main */
    public static void main(String[] args) {
        String difficulty = chooseDifficulty();
        String selectedWord = ChooseWord.chooseTheWordByDifficulty(difficulty);
        gameState = new GameState(selectedWord);

        startTime = System.currentTimeMillis();

        createInterface();
    }

    /* Fonction pour choisir la difficulté */
    public static String chooseDifficulty() {
        String[] options = {"Easy", "Medium", "Hard"};
        int choice = JOptionPane.showOptionDialog(null, "Choose difficulty level:",
                "Difficulty Selection", JOptionPane.DEFAULT_OPTION, JOptionPane.INFORMATION_MESSAGE,
                null, options, options[0]);
        if (choice == 0) return "easy";
        else if (choice == 1) return "medium";
        else if (choice == 2) return "hard";
        else return "easy"; // défaut
    }

    /* Fonction pour créer l'interface */
    public static void createInterface() {
        JFrame window = new JFrame("Hangman Game");
        window.setSize(800, 600);
        window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        window.setLayout(new BorderLayout());

        wordLabel = new JLabel(gameState.getHiddenWord(), SwingConstants.CENTER);
        wordLabel.setFont(new Font("Arial", Font.BOLD, 40));
        window.add(wordLabel, BorderLayout.NORTH);

        hangmanPanel = new HangmanPanel();
        window.add(hangmanPanel, BorderLayout.CENTER);

        JPanel inputPanel = new JPanel();
        inputField = new JTextField(2);
        JButton submitButton = new JButton("Try Letter");

        messageLabel = new JLabel("Enter a letter:");
        inputPanel.add(messageLabel);
        inputPanel.add(inputField);
        inputPanel.add(submitButton);

        window.add(inputPanel, BorderLayout.SOUTH);

        submitButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                handleLetterInput();
            }
        });

        window.setVisible(true);
    }

    /* Fonction pour gérer la saisie d'une lettre */
    public static void handleLetterInput() {
        String input = inputField.getText().toLowerCase();
        if (input.length() != 1 || !Character.isLetter(input.charAt(0))) {
            messageLabel.setText("Enter a single valid letter.");
            return;
        }

        char letter = input.charAt(0);
        inputField.setText("");

        if (gameState.hasTriedLetter(letter)) {
            messageLabel.setText("Letter already tried.");
            return;
        }

        gameState.tryLetter(letter);
        wordLabel.setText(gameState.getHiddenWord());
        hangmanPanel.setErrors(gameState.getErrors());

        if (gameState.isWon()) {
            endTime = System.currentTimeMillis();
            long elapsedSeconds = (endTime - startTime) / 1000;
            score = 1000 - (gameState.getErrors() * 50) - ((int) elapsedSeconds * 10);
            if (score < 0) score = 0;

            messageLabel.setText("Congrats! You won! Score: " + score + " Time: " + elapsedSeconds + "s");
            inputField.setEditable(false);
        } else if (gameState.isLost()) {
            messageLabel.setText("You lost! Word was: " + gameState.getWord());
            inputField.setEditable(false);
        } else {
            messageLabel.setText("Keep guessing...");
        }
    }
}