package ${package};

import net.java.html.json.ComputedProperty;

import net.java.html.json.Function;

import net.java.html.json.Model;

import net.java.html.json.Property;

/** Model annotation generates class Data with 

 * one message property, boolean property and read only words property

 */

@Model(className = "Data", properties = {

    @Property(name = "message", type = String.class),

    @Property(name = "on", type = boolean.class)

})

final class DataModel {

    @ComputedProperty static java.util.List<String> words(String message) {

        String[] arr = new String[6];

        String[] words = message == null ? new String[0] : message.split(" ", 6);

        for (int i = 0; i < 6; i++) {

            arr[i] = words.length > i ? words[i] : "!";

        }

        return java.util.Arrays.asList(arr);

    }

    @Function static void turnOn(Data model) {

        model.setOn(true);

    }

    @Function static void turnOff(final Data model) {

        confirmByUser("Really turn off?", new Runnable() {

            @Override

            public void run() {

                model.setOn(false);

            }

        });

    }

    /** Shows direct interaction with JavaScript */

    @net.java.html.js.JavaScriptBody(

        args = { "msg", "callback" }, 

        javacall = true, 

        body = "alert(msg); callback.@java.lang.Runnable::run()();"

    )

    static native void confirmByUser(String msg, Runnable callback);

}