package irc.bot.plugins;

import irc.bot.plugins.system.BotPluginAdapter;

/**
 * User: root
 * Date: Apr 2, 2007
 * Time: 8:45:41 AM
 * Aftermath
 */
public class AlterCaps extends BotPluginAdapter {
    private boolean enabled;

    public String getName() {
        return "AlterCaps";
    }

    public void onMessage(String channel, String nickname, String hostname, String message, double rights) {
        if(rights >= 0 && (enabled || rights < 500)) {
            if(message.startsWith("!altercaps")) {
                sendMessage(channel, alterCaps(message.substring(11).trim()));
            }
        }
        
        if(rights > 500) {
            if(message.equals("!acapson")) {
                enabled = true;
            } else if(message.equals("!acapsoff")) {
                enabled = false;
            }
        }
    }

    public String alterCaps(String message) {
        byte[] bytes = message.getBytes();

        String out = "";

        for(int i = 0, j = 0; i < bytes.length && j < bytes.length; i++, j++) {
            if(isWhiteSpace(bytes[j])) out += (char)bytes[j++];

            out += (i % 2 == 0) ? Character.toUpperCase(new Character((char)bytes[j])) : Character.toLowerCase((char)bytes[j]);
        }

        return out;
    }

    private boolean isWhiteSpace(byte chr) {
        Character c = (char)chr;
        return c.equals(' ') || c.equals('\n') || c.equals('\t') || c.equals('\r');
    }
}