package world.bentobox.level.commands;

import java.util.List;
import java.util.Optional;

import world.bentobox.bentobox.api.commands.CompositeCommand;
import world.bentobox.bentobox.api.localization.TextVariables;
import world.bentobox.bentobox.api.user.User;
import world.bentobox.bentobox.database.objects.Island;
import world.bentobox.level.Level;

/**
 * Removes a player from the top ten
 * 
 * @author tastybento
 *
 */
public class AdminTopRemoveCommand extends CompositeCommand {

    private final Level addon;
    private User target;

    public AdminTopRemoveCommand(Level addon, CompositeCommand parent) {
	super(parent, "remove", "delete");
	this.addon = addon;
    }

    @Override
    public void setup() {
	this.setPermission("admin.top.remove");
	this.setOnlyPlayer(false);
	this.setParametersHelp("admin.top.remove.parameters");
	this.setDescription("admin.top.remove.description");
    }

    /*
     * (non-Javadoc)
     * 
     * @see world.bentobox.bentobox.api.commands.BentoBoxCommand#canExecute(world.
     * bentobox.bentobox.api.user.User, java.lang.String, java.util.List)
     */
    @Override
    public boolean canExecute(User user, String label, List<String> args) {
	if (args.size() != 1) {
	    this.showHelp(this, user);
	    return false;
	}
	target = getPlayers().getUser(args.get(0));
	if (target == null) {
	    user.sendMessage("general.errors.unknown-player", TextVariables.NAME, args.get(0));
	    return false;
	}

	return true;
    }

    @Override
    public boolean execute(User user, String label, List<String> args) {
	// Removes islands that this target is an owner of
	getIslands().getIslands(getWorld(), target.getUniqueId()).stream()
		.filter(is -> target.getUniqueId().equals(is.getOwner()))
		.forEach(island -> addon.getManager().removeEntry(getWorld(), island.getUniqueId()));
	user.sendMessage("general.success");
	return true;
    }

    @Override
    public Optional<List<String>> tabComplete(User user, String alias, List<String> args) {
	return Optional.of(addon.getManager().getTopTen(getWorld(), Level.TEN).keySet().stream()
		.map(getIslands()::getIslandById).flatMap(Optional::stream).map(Island::getOwner)
		.map(addon.getPlayers()::getName).filter(n -> !n.isEmpty()).toList());
    }
}