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 JLabel scoreLabel;
    public static JLabel timeLabel;
    public static Timer timer;

    /*Fonction main*/
    public static void main(String[] args) {
        showDifficultySelection();
    }

    /*Fonction pour sélectionner la difficulté*/
    public static void showDifficultySelection() {
        JFrame selectionFrame = new JFrame("Sélection de Difficulté");
        selectionFrame.setSize(400, 300);
        selectionFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        selectionFrame.setLayout(new GridLayout(4, 1));

        JLabel titleLabel = new JLabel("Choisissez la difficulté:", SwingConstants.CENTER);
        titleLabel.setFont(new Font("Arial", Font.BOLD, 20));

        JButton easyButton = new JButton("FACILE - Mots courts (< 8 lettres)");
        JButton mediumButton = new JButton("MOYEN - Mots longs (≥ 8 lettres)");
        JButton hardButton = new JButton("DIFFICILE - Phrases (2 mots)");

        easyButton.addActionListener(e -> startGame("facile", selectionFrame));
        mediumButton.addActionListener(e -> startGame("moyen", selectionFrame));
        hardButton.addActionListener(e -> startGame("difficile", selectionFrame));

        selectionFrame.add(titleLabel);
        selectionFrame.add(easyButton);
        selectionFrame.add(mediumButton);
        selectionFrame.add(hardButton);

        selectionFrame.setVisible(true);
    }

    /*Fonction pour démarrer le jeu*/
    public static void startGame(String difficulty, JFrame selectionFrame) {
        selectionFrame.dispose();
        String selectedWord = ChooseWord.chooseTheWord(difficulty);
        gameState = new GameState(selectedWord, difficulty);
        createInterface();
        startTimer();
    }

    /*Fonction pour créer l'interface*/
    public static void createInterface() {
        JFrame window = new JFrame("HangmanGame - Difficulté: " + gameState.getDifficulty());
        window.setSize(800, 600);
        window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        window.setLayout(new BorderLayout());

        // Panel d'information (score et temps)
        JPanel infoPanel = new JPanel(new GridLayout(1, 3));
        
        JLabel difficultyLabel = new JLabel("Difficulté: " + gameState.getDifficulty(), SwingConstants.CENTER);
        difficultyLabel.setFont(new Font("Arial", Font.BOLD, 16));
        
        scoreLabel = new JLabel("Score: 0", SwingConstants.CENTER);
        scoreLabel.setFont(new Font("Arial", Font.BOLD, 16));
        
        timeLabel = new JLabel("Temps: 0s", SwingConstants.CENTER);
        timeLabel.setFont(new Font("Arial", Font.BOLD, 16));
        
        infoPanel.add(difficultyLabel);
        infoPanel.add(scoreLabel);
        infoPanel.add(timeLabel);

        wordLabel = new JLabel(gameState.getHiddenWord(), SwingConstants.CENTER);
        wordLabel.setFont(new Font("Arial", Font.BOLD, 40));
        
        hangmanPanel = new HangmanPanel();
        
        JPanel inputPanel = new JPanel();
        inputField = new JTextField(2);
        inputField.setFont(new Font("Arial", Font.BOLD, 20));
        JButton submitButton = new JButton("Essayer la lettre");

        messageLabel = new JLabel("Entrez une lettre:");
        inputPanel.add(messageLabel);
        inputPanel.add(inputField);
        inputPanel.add(submitButton);

        window.add(infoPanel, BorderLayout.NORTH);
        window.add(wordLabel, BorderLayout.CENTER);
        window.add(hangmanPanel, BorderLayout.WEST);
        window.add(inputPanel, BorderLayout.SOUTH);

        /*événement du bouton*/
        submitButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                handleLetterInput();
            }
        });

        /*événement de la touche Entrée*/
        inputField.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                handleLetterInput();
            }
        });

        window.setVisible(true);
        inputField.requestFocus();
    }

    /*Fonction pour démarrer le chronomètre*/
    public static void startTimer() {
        timer = new Timer(1000, new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                updateDisplay();
            }
        });
        timer.start();
    }

    /*Fonction pour mettre à jour l'affichage*/
    public static void updateDisplay() {
        timeLabel.setText("Temps: " + gameState.getTimeElapsed() + "s");
        scoreLabel.setText("Score: " + gameState.getFinalScore());
    }

    /*Fonction pour gérer la saisie de lettre*/
    public static void handleLetterInput() {
        String input = inputField.getText().toLowerCase();
        if (input.length() != 1 || !Character.isLetter(input.charAt(0))) {
            messageLabel.setText("Entrez une seule lettre valide.");
            return;
        }

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

        if (gameState.hasTriedLetter(letter)) {
            messageLabel.setText("Lettre déjà essayée.");
            return;
        }

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

        if (gameState.isWon()) {
            timer.stop();
            int finalScore = gameState.getFinalScore();
            messageLabel.setText("Félicitations ! Vous avez gagné ! Score: " + finalScore);
            inputField.setEditable(false);
            showEndGameMessage(true, finalScore);
        } else if (gameState.isLost()) {
            timer.stop();
            messageLabel.setText("Perdu ! Le mot était: " + gameState.getWord());
            inputField.setEditable(false);
            showEndGameMessage(false, 0);
        } else {
            messageLabel.setText("Continuez... Erreurs: " + gameState.getErrors() + "/" + 9);
        }
    }

    /*Fonction pour afficher le message de fin de jeu*/
    public static void showEndGameMessage(boolean won, int score) {
        String message = won ? 
            "FÉLICITATIONS !\nVous avez gagné !\nScore final: " + score + "\nTemps: " + gameState.getTimeElapsed() + "s" :
            "DOMAGE !\nVous avez perdu.\nLe mot était: " + gameState.getWord() + "\nVoulez-vous réessayer ?";
        
        int optionType = won ? JOptionPane.INFORMATION_MESSAGE : JOptionPane.QUESTION_MESSAGE;
        
        int choice = JOptionPane.showConfirmDialog(null, 
            message, 
            "Partie Terminée", 
            JOptionPane.DEFAULT_OPTION, 
            optionType);
            
        if (!won || choice == JOptionPane.OK_OPTION) {
            // Retour au menu principal
            SwingUtilities.invokeLater(() -> {
                JFrame currentFrame = (JFrame) SwingUtilities.getWindowAncestor(inputField);
                currentFrame.dispose();
                showDifficultySelection();
            });
        }
    }
}