package com.earth2me.essentials.anticheat.config;

import com.earth2me.essentials.anticheat.actions.Action;
import com.earth2me.essentials.anticheat.actions.types.*;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;


/**
 * Helps with creating Actions out of text string definitions
 *
 */
public class ActionFactory
{
	private static final Map<String, Object> lib = new HashMap<String, Object>();

	public ActionFactory(Map<String, Object> library)
	{
		lib.putAll(library);
	}

	public Action createAction(String actionDefinition)
	{

		actionDefinition = actionDefinition.toLowerCase();

		if (actionDefinition.equals("cancel"))
		{
			return new SpecialAction();
		}

		if (actionDefinition.startsWith("log:"))
		{
			return parseLogAction(actionDefinition.split(":", 2)[1]);
		}

		if (actionDefinition.startsWith("cmd:"))
		{
			return parseCmdAction(actionDefinition.split(":", 2)[1]);
		}

		throw new IllegalArgumentException("NoCheat doesn't understand action '" + actionDefinition + "' at all");
	}

	private Action parseCmdAction(String definition)
	{
		String[] parts = definition.split(":");
		String name = parts[0];
		Object command = lib.get(parts[0]);
		int delay = 0;
		int repeat = 1;

		if (command == null)
		{
			throw new IllegalArgumentException("NoCheat doesn't know command '" + name + "'. Have you forgotten to define it?");
		}

		if (parts.length > 1)
		{
			try
			{
				delay = Integer.parseInt(parts[1]);
				repeat = Integer.parseInt(parts[2]);
			}
			catch (Exception e)
			{
				// TODO
				System.out.println("NoCheat couldn't parse details of command '" + definition + "', will use default values instead.");
				delay = 0;
				repeat = 1;
			}
		}

		return new ConsolecommandAction(name, delay, repeat, command.toString());
	}

	private Action parseLogAction(String definition)
	{
		String[] parts = definition.split(":");
		String name = parts[0];
		Object message = lib.get(parts[0]);
		int delay = 0;
		int repeat = 1;
		boolean toConsole = true;
		boolean toFile = true;
		boolean toChat = true;

		if (message == null)
		{
			throw new IllegalArgumentException("NoCheat doesn't know log message '" + name + "'. Have you forgotten to define it?");
		}

		try
		{
			delay = Integer.parseInt(parts[1]);
			repeat = Integer.parseInt(parts[2]);
			toConsole = parts[3].contains("c");
			toChat = parts[3].contains("i");
			toFile = parts[3].contains("f");
		}
		catch (Exception e)
		{
			System.out.println("NoCheat couldn't parse details of log action '" + definition + "', will use default values instead.");
			e.printStackTrace();
			delay = 0;
			repeat = 1;
			toConsole = true;
			toFile = true;
			toChat = true;
		}

		return new LogAction(name, delay, repeat, toChat, toConsole, toFile, message.toString());
	}

	public Action[] createActions(String... definitions)
	{
		List<Action> actions = new ArrayList<Action>();

		for (String def : definitions)
		{
			if (def.length() == 0)
			{
				continue;
			}
			try
			{
				actions.add(createAction(def));
			}
			catch (IllegalArgumentException e)
			{
				System.out.println(e.getMessage());
				actions.add(new DummyAction(def));
			}
		}

		return actions.toArray(new Action[actions.size()]);
	}

	public ActionList createActionList(String definition, String permission)
	{
		ActionList list = new ActionList(permission);

		boolean first = true;

		for (String s : definition.split("vl>"))
		{
			s = s.trim();

			if (s.length() == 0)
			{
				first = false;
				continue;
			}

			try
			{
				Integer vl;
				String def;
				if (first)
				{
					first = false;
					vl = 0;
					def = s;
				}
				else
				{
					String[] listEntry = s.split("\\s+", 2);
					vl = Integer.parseInt(listEntry[0]);
					def = listEntry[1];
				}
				list.setActions(vl, createActions(def.split("\\s+")));
			}
			catch (Exception e)
			{
				System.out.println("NoCheat couldn't parse action definition 'vl:" + s + "'");
			}
		}

		return list;
	}
}