package interfaces;

import board.IBoard;
import events.Block;
import events.Bomb;
import objects.GameObject;
import objects.Player;
import objects.Token;

import javax.swing.*;
import javax.swing.border.EmptyBorder;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

public class NInARowGUI extends GUI {
    private Bomb bomb = new Bomb();
    private Block block = new Block();
    private JLabel eventLabel;

    public NInARowGUI(int width, int height, IBoard board) {
        if (width < 3 || height < 3 || height > 50 || width > 50) {
            throw new IllegalArgumentException("Invalid game size.");
        }
        if (width != board.getWidth() || height != board.getHeight()) {
            throw new IllegalArgumentException("The board does not match the gui.");
        }
        this.board = board;
        int playerNum = 0;
        while (playerNum == 0) {
            try {
                String num = JOptionPane.showInputDialog("Number of players: ");
                if (num == null) {
                    System.exit(0);
                }
                playerNum = Integer.parseInt(num);
                if (playerNum > width) {
                    JOptionPane.showMessageDialog(null, "Number of players can't be higher than " + width, "Error", JOptionPane.ERROR_MESSAGE);
                    playerNum = 0;

                }
            } catch (NumberFormatException e) {
                JOptionPane.showMessageDialog(null, "Invalid input.", "Error", JOptionPane.ERROR_MESSAGE);
            }
        }
        for (int i = 0; i < playerNum; i++) {
            String playerName = "";
            while (playerName.equals("")) {
                playerName = JOptionPane.showInputDialog(String.format("Name of player %d: ", i+1));
                if (playerName == null) {
                    System.exit(0);
                }
            }
            Color color = null;
            while (color == null) {
                color = JColorChooser.showDialog(null, "Choose a color", Color.RED);
                if (color == null) {
                    System.exit(0);
                }
                if (color == Color.lightGray || color == Color.blue || color == Color.black) {
                    JOptionPane.showMessageDialog(null, "The chosen color is reserved. Please choose another color.", "Error", JOptionPane.ERROR_MESSAGE);
                    color = null;
                }
            }
            Player player = new Player(playerName, color);
            if (!this.board.addPlayer(player)) {
                JOptionPane.showMessageDialog(null, "Player is not unique. Please try again.", "Error", JOptionPane.ERROR_MESSAGE);
                i--;
            }
        }
        initialize(width, height);
    }

    private void initialize(int width, int height) {
        JFrame frame = new JFrame("Four in a row");
        frame.addWindowListener(new WindowAdapter() {
            @Override
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
        int fullWidth = BUTTON_WIDTH * width + (WIDTH_GAP + 1) * width;
        int fullHeight = BUTTON_HEIGHT + (TILE_HEIGHT * height) + HEIGHT_GAP * (height) + TILE_HEIGHT;

        this.frame = frame;
        JPanel container = new JPanel();
        container.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
        container.setPreferredSize(new Dimension(fullWidth, fullHeight + TILE_HEIGHT + 2 * BUTTON_HEIGHT));
        frame.add(container);

        JPanel panel3 = new JPanel();
        this.resetButton = new JButton("Reset");
        this.resetButton.addActionListener(this);
        panel3.add(this.resetButton);
        for (Player player : board.getPlayers()) {
            JLabel playerLabel = new JLabel(player.toString());
            playerLabel.setForeground(player.getColor());
            panel3.add(playerLabel);
        }
        container.add(panel3);

        JPanel panel2 = new JPanel();
        this.mainPanel = panel2;
        panel2.setBackground(Color.BLUE);
        panel2.setLayout(new FlowLayout(FlowLayout.CENTER, HEIGHT_GAP, WIDTH_GAP));
        panel2.setPreferredSize(new Dimension(fullWidth, fullHeight));
        dropButtons = new JButton[width];
        for (int i = 0; i < width; i++) {
            JButton button = new JButton();
            button.addActionListener(this);
            button.setPreferredSize(new Dimension(BUTTON_WIDTH, BUTTON_HEIGHT));
            dropButtons[i] = button;
            panel2.add(button, BorderLayout.PAGE_START);
        }
        tiles = new JTextPane[width * height];
        readTiles();
        container.add(panel2);

        infoLabel = new JLabel();
        infoLabel.setPreferredSize(new Dimension(fullWidth, BUTTON_HEIGHT));
        infoLabel.setBorder(new EmptyBorder(10, 10, 10, 10));
        container.add(infoLabel);

        eventLabel = new JLabel();
        eventLabel.setPreferredSize(new Dimension(fullWidth, BUTTON_HEIGHT));
        eventLabel.setBorder(new EmptyBorder(10, 10, 10, 10));
        container.add(eventLabel);

        frame.validate();
        frame.pack();
        frame.setVisible(true);
        this.currentPlayer = board.nextPlayer();
        displayMessage("It's " + this.currentPlayer + "'s turn.");
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == this.resetButton) {
            this.board.flush();
            displayBoard();
            this.currentPlayer = this.board.nextPlayer();
            displayMessage("It's " + this.currentPlayer + "'s turn.");
        }
        if (!(this.board.won() || this.board.isFull())) {
            for (int i = 0; i < this.dropButtons.length; i++) {
                if (e.getSource() == this.dropButtons[i]) {
                    if (dropObject(i)) {
                        displayBoard();
                        if (this.board.won()) {
                            GameObject winnerObject = this.board.get(i, this.board.getTopObject(i));
                            displayMessage(((Token)winnerObject).getOwner() + " won.");
                        } else {
                            triggerEvents();
                            if (board.isFull()) {
                                displayMessage("It's a draw");
                            } else {
                                this.currentPlayer = board.nextPlayer();
                                displayMessage("It's " + this.currentPlayer + "'s turn.");
                            }
                        }
                    } else {
                        displayMessage("That column is full.");
                    }
                }
            }
        }
    }

    private void triggerEvents() {
        if (bomb.rollDie(this.board, 2)) {
            eventLabel.setText(bomb.announcement());
            displayBoard();
        } else if (block.rollDie(this.board, 1)) {
            eventLabel.setText(block.announcement());
            displayBoard();
        } else {
            eventLabel.setText("");
        }
    }
}