package test.javafx.fxml;

import javafx.beans.value.ChangeListener;
import javafx.beans.value.ObservableValue;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.stage.Stage;
import javafx.util.Callback;
import org.junit.Test;

import java.io.IOException;
import javafx.fxml.FXMLLoader;
import javafx.fxml.LoadException;

import static org.junit.Assert.*;

/*
 * Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
public class FXMLLoader_EventsTest {
    @Test
    public void testListEvents() throws Exception {
        FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("list_map_set_events_test.fxml"));
        Widget widget = (Widget)fxmlLoader.load();
        ListMapSetEventsTestController controller = (ListMapSetEventsTestController)fxmlLoader.getController();

        assertFalse(controller.listWithParamCalled);
        assertFalse(controller.listNoParamCalled);
        // Test
        widget.getChildren().add(new Widget("Widget 4"));
        assertTrue(controller.listWithParamCalled);
        assertFalse(controller.listNoParamCalled);
    }

    @Test
    public void testMapEvents() throws Exception {
        FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("list_map_set_events_test.fxml"));
        Widget widget = (Widget)fxmlLoader.load();
        ListMapSetEventsTestController controller = (ListMapSetEventsTestController)fxmlLoader.getController();

        assertFalse(controller.mapWithParamCalled);
        assertFalse(controller.mapNoParamCalled);
        // Test
        widget.getProperties().put("d", 1000);

        assertTrue(controller.mapWithParamCalled);
        assertFalse(controller.mapNoParamCalled);
    }

    @Test
    public void testSetEvents() throws Exception {
        FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("list_map_set_events_test.fxml"));
        Widget widget = (Widget)fxmlLoader.load();
        ListMapSetEventsTestController controller = (ListMapSetEventsTestController)fxmlLoader.getController();

        assertFalse(controller.setWithParamCalled);
        assertFalse(controller.setNoParamCalled);
        // Test
        widget.getSet().add("x");

        assertTrue(controller.setWithParamCalled);
        assertFalse(controller.setNoParamCalled);
    }

    @Test
    public void testListEvents_NoParam() throws Exception {
        FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("list_map_set_events_test.fxml"), null, null, new Callback<Class<?>, Object>() {
            @Override
            public Object call(Class<?> param) {
                return new ListMapSetEventsTestController2();
            }
        });
        Widget widget = (Widget)fxmlLoader.load();
        ListMapSetEventsTestController2 controller = (ListMapSetEventsTestController2)fxmlLoader.getController();

        assertFalse(controller.listNoParamCalled);
        // Test
        widget.getChildren().add(new Widget("Widget 4"));
        assertTrue(controller.listNoParamCalled);
    }

    @Test
    public void testMapEvents_NoParam() throws Exception {
        FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("list_map_set_events_test.fxml"), null, null, new Callback<Class<?>, Object>() {
            @Override
            public Object call(Class<?> param) {
                return new ListMapSetEventsTestController2();
            }
        });
        Widget widget = (Widget)fxmlLoader.load();
        ListMapSetEventsTestController2 controller = (ListMapSetEventsTestController2)fxmlLoader.getController();

        assertFalse(controller.mapNoParamCalled);
        // Test
        widget.getProperties().put("d", 1000);

        assertTrue(controller.mapNoParamCalled);
    }

    @Test
    public void testSetEvents_NoParam() throws Exception {
        FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("list_map_set_events_test.fxml"), null, null, new Callback<Class<?>, Object>() {
            @Override
            public Object call(Class<?> param) {
                return new ListMapSetEventsTestController2();
            }
        });
        Widget widget = (Widget)fxmlLoader.load();
        ListMapSetEventsTestController2 controller = (ListMapSetEventsTestController2)fxmlLoader.getController();

        assertFalse(controller.setNoParamCalled);
        // Test
        widget.getSet().add("x");

        assertTrue(controller.setNoParamCalled);
    }

    @Test
    public void testPropertyEvents_jfx2_deprecated() throws IOException {
        FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("property_events_test.fxml"));
        fxmlLoader.setController(new PropertyEventsTestDeprecatedController());
        fxmlLoader.load();

        PropertyEventsTestDeprecatedController controller = fxmlLoader.getController();
        assertEquals(controller.getRootName(), "abc");
        assertEquals(controller.getChildName(), "def");

        final String rootName = "123";
        controller.getRoot().setName(rootName);
        assertEquals(controller.getRootName(), rootName);

        final String childName = "456";
        controller.getChild().setName(childName);
        assertEquals(controller.getChildName(), childName);
    }

    @Test
    public void testPropertyEvents() throws IOException {
        FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("property_events_test.fxml"));
        fxmlLoader.setController(new PropertyEventsTestController());
        fxmlLoader.load();

        PropertyEventsTestController controller = fxmlLoader.getController();
        assertEquals(controller.getRootName(), "abc");
        assertEquals(controller.getChildName(), "def");

        final String rootName = "123";
        controller.getRoot().setName(rootName);
        assertEquals(controller.getRootName(), rootName);

        final String childName = "456";
        controller.getChild().setName(childName);
        assertEquals(controller.getChildName(), childName);
    }

    @Test
    public void testPropertyEvents_testNewValue() throws IOException {
        FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("property_events_test_value.fxml"));

        fxmlLoader.load();
        PropertyEventsTestValueController controller = fxmlLoader.getController();

        assertEquals(controller.getRoot().getName(), controller.getRootName());
        assertEquals(controller.getChild().getName(), controller.getChildName());
    }

    @Test
    public void testPropertyEvents_testExpressionHandler() throws IOException {
        FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("property_events_test_expression.fxml"));
        final boolean[] ref = new boolean[] { false };
        fxmlLoader.getNamespace().put("manualAction", new ChangeListener<Object>() {
            @Override
            public void changed(ObservableValue<? extends Object> ov, Object o, Object n) {
                ref[0] = true;
            }
        });
        fxmlLoader.load();

        Widget w = fxmlLoader.getRoot();
        assertFalse(ref[0]);
        w.setName("abc");
        assertTrue(ref[0]);
    }


    @Test(expected = LoadException.class)
    public void testPropertyEvents_testExpressionHandler_NA() throws IOException {
        FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("property_events_test_expression_na.fxml"));
        fxmlLoader.load();
    }

    @Test
    public void testEvents() throws  IOException{
        FXMLLoader fxmlLoader = new FXMLLoader(getClass().getResource("events_test.fxml"));
        Widget button = fxmlLoader.load();
        EventsTestController controller = fxmlLoader.getController();
        assertFalse(controller.called);
        button.fire();
        assertTrue(controller.called);
    }
}
