package me.bill.fakePlayerPlugin.command;

import me.bill.fakePlayerPlugin.FakePlayerPlugin;
import me.bill.fakePlayerPlugin.fakeplayer.FakePlayer;
import me.bill.fakePlayerPlugin.fakeplayer.FakePlayerManager;
import me.bill.fakePlayerPlugin.lang.Lang;
import me.bill.fakePlayerPlugin.permission.Perm;
import me.bill.fakePlayerPlugin.util.BotRenameHelper;
import me.bill.fakePlayerPlugin.util.TextUtil;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;

import java.util.List;

public class RenameCommand implements FppCommand {

  private static final String ACCENT = "<#0079FF>";
  private static final String CLOSE = "</#0079FF>";
  private static final String GRAY = "<gray>";
  private static final String RED = "<red>";

  private final FakePlayerManager manager;
  private final BotRenameHelper renameHelper;

  public RenameCommand(FakePlayerPlugin plugin, FakePlayerManager manager) {
    this.manager = manager;
    this.renameHelper = new BotRenameHelper(plugin, manager);
  }

  @Override
  public String getName() {
    return "rename";
  }

  @Override
  public String getUsage() {
    return "<oldname> <newname>";
  }

  @Override
  public String getDescription() {
    return "Rename an active bot (preserves all data).";
  }

  @Override
  public String getPermission() {
    return Perm.RENAME;
  }

  @Override
  public boolean canUse(CommandSender sender) {
    return Perm.hasAny(sender, Perm.RENAME, Perm.RENAME_OWN);
  }

  @Override
  public boolean execute(CommandSender sender, String[] args) {
    if (!canUse(sender)) {
      sender.sendMessage(Lang.get("no-permission"));
      return true;
    }

    if (args.length < 2) {
      msg(
          sender,
          GRAY + "Usage: " + ACCENT + "/fpp rename <oldname> <newname>" + CLOSE + GRAY + ".");
      return true;
    }

    String oldName = args[0];
    String newName = args[1];

    FakePlayer fp = manager.getByName(oldName);
    if (fp == null) {
      msg(sender, RED + "No active bot named " + ACCENT + oldName + CLOSE + RED + ".");
      return true;
    }

    if (!Perm.has(sender, Perm.RENAME) && sender instanceof Player player) {
      if (!fp.getSpawnedByUuid().equals(player.getUniqueId())) {
        msg(
            sender,
            RED
                + "You can only rename bots you personally spawned."
                + " Ask an admin for "
                + ACCENT
                + "fpp.rename"
                + CLOSE
                + RED
                + " to rename any bot.");
        return true;
      }
    }

    renameHelper.rename(sender, fp, newName);
    return true;
  }

  @Override
  public List<String> tabComplete(CommandSender sender, String[] args) {
    if (!canUse(sender)) return List.of();

    if (args.length == 1) {
      String lower = args[0].toLowerCase();
      boolean canRenameAny = Perm.has(sender, Perm.RENAME);

      return manager.getActivePlayers().stream()
          .filter(
              fp -> {
                if (canRenameAny) return true;

                if (!(sender instanceof Player p)) return false;
                return fp.getSpawnedByUuid().equals(p.getUniqueId());
              })
          .map(FakePlayer::getName)
          .filter(n -> n.toLowerCase().startsWith(lower))
          .toList();
    }

    return List.of();
  }

  private void msg(CommandSender sender, String mm) {
    sender.sendMessage(TextUtil.colorize(mm));
  }
}