package gg.malloc.defense.commands;

import org.bukkit.command.Command;
import org.bukkit.command.TabExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;

import gg.malloc.defense.engine.GameRunner;

import gg.malloc.defense.Plugin;

import java.util.ArrayList;
import java.util.List;

public class JoinGameCommand implements TabExecutor {
  Plugin m_plugin;

  public JoinGameCommand(Plugin plugin) {
    m_plugin = plugin;
  }

  public List<String> onTabComplete(CommandSender sender, Command command, String label, String[] args) {
    ArrayList<String> ret = new ArrayList<>();
    if (args.length == 1) {
      String proposal = args[0].toLowerCase();
      for(String arena : m_plugin.arenaNames()) {
        if (arena.toLowerCase().startsWith(proposal.toLowerCase())) {
          ret.add(arena);
        }
      }
    } else if (args.length == 0) {
      for(String arena : m_plugin.arenaNames()) {
        ret.add(arena);
      }
    }
    return ret;
  }

  @Override
  public boolean onCommand(CommandSender sender, Command command, String s, String[] args) {
    if (args.length != 1) {
      sender.sendMessage("Usage: join <game>");
      return true;
    }
    if (sender instanceof Player) {
      Player player = (Player)sender;
      String arenaName = args[0];
      sender.sendMessage("Joining arena '" + arenaName + "'...");
      GameRunner runner = m_plugin.getRunnerForArenaName(arenaName);
      if (runner == null) {
        sender.sendMessage("No such arena '" + arenaName + "'");
        return true;
      }
      m_plugin.addPlayerToArena(arenaName, player);
    } else {
      sender.sendMessage("Only players may use this command.");
    }
    return true;
  }
}