package com.rps.logic;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Random;

import javax.swing.JOptionPane;

/**
 * @author _Jordan <jordan.abraham1997@gmail.com>
 */
public class RPSActionListener implements ActionListener {

    /**
     * @author _Jordan <jordan.abraham1997@gmail.com>
     */
    public enum Action {
        ROCK("paper"), PAPER("scissors"), SCISSORS("rock");

        /**
         * Represents the weakness to each action.
         */
        private final String weakness;

        /**
         * Constructs a new {@code Action} object.
         *
         * @param weakness The weakness to each action.
         */
        private Action(String weakness) {
            this.weakness = weakness;
        }

        /**
         * Gets the weakness.
         *
         * @return the weakness
         */
        public String getWeakness() {
            return weakness;
        }
    }

    /**
     * Represents a random instance to perform 'computer' actions.
     */
    private final Random random = new Random();

    /*
     * (non-Javadoc)
     *
     * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
     */
    @Override
    public void actionPerformed(ActionEvent event) {
        /** TRIM IT JUST INCASE lol */
        switch (event.getActionCommand().trim()) {
        case "Rock":
        case "Paper":
        case "Scissors":
            performAction(Action.valueOf(event.getActionCommand().toUpperCase()), getRandomComputerAction(random.nextInt(3)));
            break;
        }
    }

    /**
     * Performs a game action.
     *
     * @param playerAction The action of the player.
     * @param computerAction The action of the computer.
     */
    private void performAction(Action playerAction, Action computerAction) {
        if (playerAction.equals(computerAction)) {
            performAction(playerAction, getRandomComputerAction(random.nextInt(3)));
            return;
        }
        if (playerAction.getWeakness().equalsIgnoreCase(computerAction.name())) {
            JOptionPane.showMessageDialog(null, "Player: " + playerAction.name() + ", Computer: " + computerAction.name() + " = LOSE!", "LOSE!", JOptionPane.PLAIN_MESSAGE);
        } else {
            JOptionPane.showMessageDialog(null, "Player: " + playerAction.name() + ", Computer: " + computerAction.name() + " = WIN!", "WIN!", JOptionPane.PLAIN_MESSAGE);
        }
    }

    /**
     * Generates a random computer action.
     *
     * @param id The action id.
     * @return The action generated.
     */
    private Action getRandomComputerAction(int id) {
        for (Action i : Action.values()) {
            if (i.ordinal() == id) {
                return i;
            }
        }
        return null;
    }

}