package jmri.jmrix.dccpp;

import jmri.*;
import jmri.util.JUnitUtil;

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

/**
 *
 * @author Paul Bender Copyright (C) 2017
 */
public class DCCppTurnoutManagerTest {
    // Note: this doesn't use the usual test pattern for turnouts, which
    // inherits an extensive set of tests

    @Test
    public void testCTor() {
        // infrastructure objects
        DCCppInterfaceScaffold tc = new DCCppInterfaceScaffold(new DCCppCommandStation());

        DCCppSystemConnectionMemo memo = new DCCppSystemConnectionMemo(tc);

        DCCppTurnoutManager tm = new DCCppTurnoutManager(memo);
        Assert.assertNotNull("exists",tm);
    }

    @Test
    public void testZeroIsOkAddress() {
        DCCppInterfaceScaffold tc = new DCCppInterfaceScaffold(new DCCppCommandStation());

        DCCppSystemConnectionMemo memo = new DCCppSystemConnectionMemo(tc);

        DCCppTurnoutManager tm = new DCCppTurnoutManager(memo);
        
        Turnout t = tm.provideTurnout("DT0");
        Assert.assertNotNull("exists",t);
        Assert.assertEquals("DT0", t.getSystemName());
        
    }
    @Test
    public void testAddressFormOK() {
        DCCppInterfaceScaffold tc = new DCCppInterfaceScaffold(new DCCppCommandStation());

        DCCppSystemConnectionMemo memo = new DCCppSystemConnectionMemo(tc);

        DCCppTurnoutManager tm = new DCCppTurnoutManager(memo);
        
        Turnout t = tm.provideTurnout("DT10");
        Assert.assertNotNull("exists",t);
        Assert.assertEquals("DT10", t.getSystemName());
        
    }
    
    @Test
    public void testSerialQueueSendsOneRequestOnIDsReply() {
        DCCppInterfaceScaffold tc = new DCCppInterfaceScaffold(new DCCppCommandStation());
        DCCppSystemConnectionMemo memo = new DCCppSystemConnectionMemo(tc);
        new DCCppTurnoutManager(memo);
        int baseline = tc.outbound.size();

        tc.sendTestMessage(DCCppReply.parseDCCppReply("jT 146 147 201"));

        Assert.assertEquals("only one detail request sent", baseline + 1, tc.outbound.size());
        Assert.assertEquals("first ID requested", "J T 146", tc.outbound.get(baseline).toString());
    }

    @Test
    public void testSerialQueueAdvancesOnIDReply() {
        DCCppInterfaceScaffold tc = new DCCppInterfaceScaffold(new DCCppCommandStation());
        DCCppSystemConnectionMemo memo = new DCCppSystemConnectionMemo(tc);
        new DCCppTurnoutManager(memo);
        int baseline = tc.outbound.size();

        tc.sendTestMessage(DCCppReply.parseDCCppReply("jT 146 147"));
        Assert.assertEquals(baseline + 1, tc.outbound.size());

        tc.sendTestMessage(DCCppReply.parseDCCppReply("jT 146 C \"Test turnout\""));
        Assert.assertEquals("queue advanced to second ID", baseline + 2, tc.outbound.size());
        Assert.assertEquals("second ID requested", "J T 147", tc.outbound.get(baseline + 1).toString());
    }

    @BeforeEach
    public void setUp() {
        JUnitUtil.setUp();
    }

    @AfterEach
    public void tearDown() {
        JUnitUtil.resetWindows(false,false); // shouldn't be necessary, can't see where windows are created
        JUnitUtil.clearShutDownManager(); // put in place because AbstractMRTrafficController implementing subclass was not terminated properly
        JUnitUtil.tearDown();

    }

    // private static final Logger log = LoggerFactory.getLogger(DCCppTurnoutManagerTest.class);

}