package org.openautonomousconnection.luascript.tables;

import org.luaj.vm2.LuaValue;
import org.luaj.vm2.lib.*;
import org.openautonomousconnection.luascript.hosts.ClipboardHost;
import org.openautonomousconnection.luascript.hosts.HostServices;
import org.openautonomousconnection.luascript.utils.ScriptTable;

/**
 * Lua table: clipboard
 *
 * <p>Functions:</p>
 * <ul>
 *   <li>clipboard.set(text)</li>
 *   <li>clipboard.get() -> text</li>
 * </ul>
 */
public final class ClipboardTable extends ScriptTable {

    public ClipboardTable() {
        super("clipboard");
    }

    @Override
    protected void define(HostServices services) {
        ClipboardHost host = services.clipboard().orElseThrow(() -> new IllegalStateException("ClipboardHost not provided"));

        table().set("set", new OneArgFunction() {
            @Override
            public LuaValue call(LuaValue text) {
                host.setText(text.isnil() ? "" : text.tojstring());
                return LuaValue.NIL;
            }
        });

        table().set("get", new ZeroArgFunction() {
            @Override
            public LuaValue call() {
                return LuaValue.valueOf(host.getText());
            }
        });
    }
}