package com.java21days.banko;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;

public class Banko extends JFrame implements ActionListener {
   // the money inside a money bag
   public static int REWARD = 1000;
   // the cost of opening an empty bag
   public static int COST = 250;
   // the size of the game board and total number of money bags
   public static int ROW_COUNT = 9;
   public static int COLUMN_COUNT = 14;
   public static int BAG_COUNT = 10;
   // the fields that report how a player's doing
   private final JTextField moneyField;
   private final JTextField foundField;
   // the restart button
   public JButton restart;
   // a player's money and the number of money bags found
   public int money;
   public int found;
   // the game board
   private final Board board;

   // create the frame
   public Banko() {
       // call the superclass and give the frame a title
       super("Banko");
       // set its layout manager
       BorderLayout border = new BorderLayout();
       setLayout(border);

       // create the top panel
       JPanel top = new JPanel();
       // create the "Money:" label and text field
       JLabel moneyLabel = new JLabel("Money: $");
       moneyField = new JTextField("", 8);
       // prevent it from being edited
       moneyField.setEditable(false);
       // create the "Found:" label and text field
       JLabel foundLabel = new JLabel("Found: ");
       foundField = new JTextField("", 8);
       foundField.setEditable(false);
       // create the Restart button
       restart = new JButton("Restart");
       // assign the frame to monitor clicks of this button
       restart.addActionListener(this);
       // add the components to the top panel
       top.add(moneyLabel);
       top.add(moneyField);
       top.add(foundLabel);
       top.add(foundField);
       top.add(restart);
       // add the panel to the border's topmost position
       add(top, BorderLayout.NORTH);

       // create the game board
       board = new Board(this, ROW_COUNT, COLUMN_COUNT, BAG_COUNT);
       // add the board to the border's center position
       add(board, BorderLayout.CENTER);
       // set up the game
       setup();
       // set the size of the frame
       setSize(650, 450);
       // make the application end when the frame is closed
       setDefaultCloseOperation(EXIT_ON_CLOSE);
       // display the user interface
       setVisible(true);
   }

   // set up the frame for gameplay
   public final void setup() {
       found = -1;
       money = 0;
       // give the player starting money
       earnMoney();
   }

   // take money from the player for opening an empty bag
   public void spendMoney() {
       // deduct funds and display the new total
       money = money - COST;
       moneyField.setText("" + money);
       if (money <= 0) {
            // the player's broke, so end the game
            revealBoard();
       }
   }

   // award money to the player for finding a money bag
   public void earnMoney() {
       // add funds and display the total
       money = money + REWARD;
       moneyField.setText("" + money);
       // count the newly found bag
       found++;
       foundField.setText("" + found + " of " + BAG_COUNT);
       if (found >= BAG_COUNT) {
            // the player's found all bags, so end the game
            revealBoard();
       }
   }

   // reveal the entire board at game's end
   public void revealBoard() {
       // inspect every square on the board
       for (int row = 0; row < ROW_COUNT; row++) {
            for (int column = 0; column < COLUMN_COUNT; column++) {
                // get the current button
                Button button = board.square[row][column];
                if (button.state == -2) {
                    // display this money bag
                    button.found = true;
                    button.revealMoney();
                } else {
                    // set up happy and sad colors
                    Color green = new Color(204, 255, 204);
                    Color red = new Color(255, 204, 204);
                    if (money > 0) {
                        // the player won, so make this empty square green
                        button.setBackground(green);
                    } else {
                        // the player lost, so make this empty square red
                        button.setBackground(red);
                    }
                }
                if (button.state == 0) {
                    // this square has never been cleared, so do so now
                    button.clear(false);
                }
            }
       }
   }

   // load a button graphic using its filename
   public ImageIcon getImageIcon(String filename) {
       // load an image icon
       ImageIcon icon = new ImageIcon(filename);
       return icon;
   }

   // monitor button clicks on the game board and restart button
   @Override
   public void actionPerformed(ActionEvent event) {
       // determine the button the player clicked
       Object source = event.getSource();
       if (source instanceof Button) {
            // the button's on the game board
            Button button = (Button) event.getSource();
            if (button.state == -2) {
                // it contains a money bag, so reveal it
                button.revealMoney();
            } else {
                // it doesn't contain a money bag, so clear it
                button.clear(true);
            }
       } else {
            // the restart button was clicked
            // set up the frame anew
            setup();
            // set up the board too
            board.setup();
       }
   }

   public static void main(String[] arguments) {
       // start the application
       new Banko();
   }
}