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package org.netbeans.html.json.impl;

import java.util.List;

import java.util.Map;

import net.java.html.BrwsrCtx;

import net.java.html.json.ComputedProperty;

import net.java.html.json.Model;

import net.java.html.json.Models;

import net.java.html.json.Property;

import org.apidesign.html.context.spi.Contexts;

import org.apidesign.html.json.spi.Technology;

import org.apidesign.html.json.spi.Transfer;

import org.netbeans.html.json.impl.DeepChangeTest.MapTechnology;

import org.netbeans.html.json.impl.DeepChangeTest.One;

import static org.testng.Assert.*;

import org.testng.annotations.BeforeMethod;

import org.testng.annotations.Test;

/**

 *

 * @author Jaroslav Tulach

 */

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

    @Property(name = "todos", type = Todo.class, array = true),

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

})

public class ToDoTest {

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

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

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

    })

    static class ItemCtrl {

    }

    @ComputedProperty

    static int remaining(

        List<Todo> todos, String todoText

    ) {

        int count = 0;

        for (Todo d : todos) {

            if (!d.isDone()) {

                count++;

            }

        }

        return count;

    }

    private MapTechnology t;

    private BrwsrCtx c;

    @BeforeMethod

    public void initTechnology() {

        t = new MapTechnology();

        c = Contexts.newBuilder().register(Technology.class, t, 1).

                register(Transfer.class, t, 1).build();

    }

    @Test public void checkAndUncheckFirstItem() throws Exception {

        TodoUI ui = Models.bind(

                new TodoUI(

                    null,

                    new Todo("First", false),

                    new Todo("2nd", true),

                    new Todo("Third", false)

                ), c).applyBindings();

        Map m = (Map) Models.toRaw(ui);

        Object v = m.get("remaining");

        assertNotNull(v, "Value should be in the map");

        assertEquals(v.getClass(), One.class, "It is instance of One");

        One o = (One) v;

        assertEquals(o.changes, 0, "No changes so far");

        assertTrue(o.pb.isReadOnly(), "Derived property");

        assertEquals(o.get(), 2);

        ui.getTodos().get(0).setDone(true);

        assertEquals(o.get(), 1);

        assertEquals(o.changes, 1, "One change so far");

        ui.getTodos().get(0).setDone(false);

        assertEquals(o.get(), 2);

        assertEquals(o.changes, 2, "2nd change so far");

    }

}