package jmri.jmrix.openlcb.configurexml;

import jmri.InstanceManager;
import jmri.util.JUnitUtil;
import jmri.jmrix.openlcb.OlcbSignalMast;
import jmri.jmrix.openlcb.OlcbSystemConnectionMemoScaffold;
import jmri.jmrix.openlcb.OlcbEventNameStore;

import org.openlcb.AbstractConnection;
import org.openlcb.Connection;
import org.openlcb.Message;
import org.openlcb.NodeID;
import org.openlcb.OlcbInterface;

import org.jdom2.Element;

import org.junit.Assert;
import org.junit.jupiter.api.*;
import org.junit.jupiter.api.condition.DisabledIfSystemProperty;

/**
 * OlcbSignalMastXmlTest
 *
 * Test for the OlcbSignalMastXml class.
 * Tests are run separately because they leave a lot of threads behind.
 *
 * @author   Bob Jacobsen Copyright (C) 2018
 */
@DisabledIfSystemProperty(named ="jmri.skipTestsRequiringSeparateRunning", matches ="true")
public class OlcbSignalMastXmlTest {

    private static OlcbSystemConnectionMemoScaffold memo;
    static Connection connection;
    static NodeID nodeID = new NodeID(new byte[]{1, 0, 0, 0, 0, 0});
    static java.util.ArrayList<Message> messages;

    @Test
    public void testStore(){
        OlcbSignalMast t = new OlcbSignalMast("MF$olm:AAR-1946:PL-1-high-abs($1)");
        t.setLitEventId("1.2.3.4.5.6.7.1");
        t.setNotLitEventId("1.2.3.4.5.6.7.2");
        t.setHeldEventId("1.2.3.4.5.6.7.3");
        t.setNotHeldEventId("1.2.3.4.5.6.7.4");
        t.setOutputForAppearance("Clear", "1.2.3.4.5.6.7.10");
        t.setOutputForAppearance("Approach", "1.2.3.4.5.6.7.11");
        t.setOutputForAppearance("Permissive", "1.2.3.4.5.6.7.12");
        t.setOutputForAppearance("Stop", "1.2.3.4.5.6.7.13");

        OlcbSignalMastXml x = new OlcbSignalMastXml();

        Element e = x.store(t);
        Assert.assertNotNull("Element", e);

        Assert.assertEquals("1.2.3.4.5.6.7.1", e.getChild("lit").getChild("lit").getValue());
        Assert.assertEquals("1.2.3.4.5.6.7.2", e.getChild("lit").getChild("notlit").getValue());
        Assert.assertEquals("1.2.3.4.5.6.7.3", e.getChild("held").getChild("held").getValue());
        Assert.assertEquals("1.2.3.4.5.6.7.4", e.getChild("held").getChild("notheld").getValue());
    }

    private static void resetMessages(){
        messages = new java.util.ArrayList<>();
    }

    @BeforeEach
    public void setUp() {
        resetMessages();
    }

    @BeforeAll
    @SuppressWarnings("deprecation") // OlcbInterface(NodeID, Connection)
    public static void preClassInit() {
        JUnitUtil.setUp();
       // this test is run separately because it leaves a lot of threads behind
        JUnitUtil.initInternalTurnoutManager();
        nodeID = new NodeID(new byte[]{1, 0, 0, 0, 0, 0});

        resetMessages();
        connection = new AbstractConnection() {
            @Override
            public void put(Message msg, Connection sender) {
                messages.add(msg);
            }
        };

        memo = new OlcbSystemConnectionMemoScaffold(); // this self-registers as 'M'
        memo.setProtocol(jmri.jmrix.can.ConfigurationManager.OPENLCB);
        memo.setInterface(new OlcbInterface(nodeID, connection) {
            @Override
            public Connection getOutputConnection() {
                return connection;
            }
        });

        JUnitUtil.waitFor(()-> (!messages.isEmpty()),"Initialization Complete message");
    }

    @AfterEach
    public void tearDown() {
    }

    @AfterAll
    public static void postClassTearDown() {

        if(memo != null && memo.getInterface() !=null ) {
           memo.getInterface().dispose();
           memo.get(OlcbEventNameStore.class).deregisterShutdownTask();
           InstanceManager.getDefault(jmri.IdTagManager.class).dispose();
        }
        memo = null;
        connection = null;
        nodeID = null;

        JUnitUtil.tearDown();
    }
}