package com.gmail.filoghost.touchscreen.command;

import com.gmail.filoghost.touchscreen.TouchscreenHolograms;
import com.gmail.filoghost.touchscreen.command.subs.AddCommand;
import com.gmail.filoghost.touchscreen.command.subs.ClearAllCommand;
import com.gmail.filoghost.touchscreen.command.subs.DetailsCommand;
import com.gmail.filoghost.touchscreen.command.subs.HelpCommand;
import com.gmail.filoghost.touchscreen.command.subs.ListCommand;
import com.gmail.filoghost.touchscreen.command.subs.RemoveCommand;
import com.gmail.filoghost.touchscreen.exception.CommandException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.plugin.PluginDescriptionFile;

public class CommandHandler
  implements CommandExecutor
{
  private List<TouchSubCommand> subCommands;

  public CommandHandler()
  {
    this.subCommands = new ArrayList();

    registerSubCommand(new ClearAllCommand());
    registerSubCommand(new ListCommand());
    registerSubCommand(new AddCommand());
    registerSubCommand(new RemoveCommand());
    registerSubCommand(new DetailsCommand());

    registerSubCommand(new HelpCommand());
  }

  public void registerSubCommand(TouchSubCommand subCommand)
  {
    this.subCommands.add(subCommand);
  }

  public List<TouchSubCommand> getSubCommands()
  {
    return new ArrayList(this.subCommands);
  }

  public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args)
  {
    if (args.length == 0)
    {
      sender.sendMessage("");
      sender.sendMessage(ChatColor.DARK_GREEN + ChatColor.BOLD + "Touchscreen Holograms");
      sender.sendMessage(ChatColor.GREEN + "Version: " + ChatColor.GRAY + TouchscreenHolograms.instance.getDescription().getVersion());
      sender.sendMessage(ChatColor.GREEN + "Developer: " + ChatColor.GRAY + "filoghost");
      sender.sendMessage(ChatColor.GREEN + "Commands: " + ChatColor.GRAY + "/touch help");
      return true;
    }
    for (TouchSubCommand subCommand : this.subCommands) {
      if (subCommand.isValidTrigger(args[0]))
      {
        if (!subCommand.hasPermission(sender))
        {
          sender.sendMessage(ChatColor.RED + "You don't have permission.");
          return true;
        }
        if (args.length - 1 >= subCommand.getMinimumArguments()) {
          try
          {
            subCommand.execute(sender, (String[])Arrays.copyOfRange(args, 1, args.length));
          }
          catch (CommandException e)
          {
            sender.sendMessage(ChatColor.RED + e.getMessage());
          }
        } else {
          sender.sendMessage(ChatColor.RED + "Usage: /" + label + " " + subCommand.getName() + " " + subCommand.getPossibleArguments());
        }
        return true;
      }
    }
    sender.sendMessage(ChatColor.RED + "Unknown sub-command. Type \"/touch help\" for a list of commands.");
    return true;
  }
}