package jmri.jmrit.display;

import static org.junit.jupiter.api.Assertions.assertNotNull;

import jmri.ConfigureManager;
import jmri.InstanceManager;
import jmri.NamedBeanHandleManager;
import jmri.Sensor;
import jmri.SignalMast;
import jmri.Turnout;
import jmri.util.JUnitUtil;
import jmri.util.junit.annotations.DisabledIfHeadless;

import org.junit.jupiter.api.*;

/**
 * Test signal system via a specific layout file
 *
 * This is in jmri.jmrit.display instead of jmri.implementation because the
 * files it loads display the signals for debugging purposes; if their panels
 * were editted out, jmri.implementation would be a better location
 *
 * @author Bob Jacobsen Copyright 2016
 * @since 4.3.2
 */
public class SignalSystemTest {

    @Test
    @DisabledIfHeadless
    public void testLoadSimplePanelOBlocksDB1969() throws jmri.JmriException {

        // load file
        Assertions.assertTrue(InstanceManager.getDefault(ConfigureManager.class)
                .load(new java.io.File("java/test/jmri/jmrit/display/valid/SimplePanel_OBlocks-DB1969.xml")));

        InstanceManager.getDefault(jmri.LogixManager.class).activateAllLogixs();
        InstanceManager.getDefault(jmri.jmrit.display.layoutEditor.LayoutBlockManager.class).initializeLayoutBlockPaths();

        // check aspects
        checkAspect("IF$vsm:DB-HV-1969:block_distant($0002)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:block_distant($0003)", "Hp1+Vr0");
        checkAspect("IF$vsm:DB-HV-1969:block_distant($0009)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:block_distant($0010)", "Hp1+Vr0");
        checkAspect("IF$vsm:DB-HV-1969:entry_distant($0004)", "Hp0");
        checkAspect("IF$vsm:DB-HV-1969:entry_distant($0007)", "Hp0");
        checkAspect("IF$vsm:DB-HV-1969:entry_distant($0011)", "Hp0");
        checkAspect("IF$vsm:DB-HV-1969:exit_distant($0005)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:exit_distant($0006)", "Hp1+Vr0");
        checkAspect("IF$vsm:DB-HV-1969:exit_distant($0008)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:shunting_dwarf($0012)", "Sh0");

        Turnout it201 = InstanceManager.turnoutManagerInstance().getTurnout("IT201");
        assertNotNull(it201);
        it201.setCommandedState(Turnout.CLOSED);

        checkAspect("IF$vsm:DB-HV-1969:block_distant($0002)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:block_distant($0003)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:block_distant($0009)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:block_distant($0010)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:entry_distant($0004)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:entry_distant($0007)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:entry_distant($0011)", "Hp0");
        checkAspect("IF$vsm:DB-HV-1969:exit_distant($0005)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:exit_distant($0006)", "Hp1+Vr0");
        checkAspect("IF$vsm:DB-HV-1969:exit_distant($0008)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:shunting_dwarf($0012)", "Sh0");

        Sensor is101 = InstanceManager.sensorManagerInstance().getSensor("IS101");
        assertNotNull(is101);
        is101.setState(Sensor.ACTIVE);

        checkAspect("IF$vsm:DB-HV-1969:block_distant($0002)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:block_distant($0003)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:block_distant($0009)", "Hp1+Vr0");
        checkAspect("IF$vsm:DB-HV-1969:block_distant($0010)", "Hp0");
        checkAspect("IF$vsm:DB-HV-1969:entry_distant($0004)", "Hp1+Vr0");
        checkAspect("IF$vsm:DB-HV-1969:entry_distant($0007)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:entry_distant($0011)", "Hp0");
        checkAspect("IF$vsm:DB-HV-1969:exit_distant($0005)", "Hp00");
        checkAspect("IF$vsm:DB-HV-1969:exit_distant($0006)", "Hp1+Vr0");
        checkAspect("IF$vsm:DB-HV-1969:exit_distant($0008)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:shunting_dwarf($0012)", "Sh0");

        Sensor is102 = InstanceManager.sensorManagerInstance().getSensor("IS102");
        assertNotNull(is102);
        is102.setState(Sensor.ACTIVE);

        checkAspect("IF$vsm:DB-HV-1969:block_distant($0002)", "Hp0");
        checkAspect("IF$vsm:DB-HV-1969:block_distant($0003)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:block_distant($0009)", "Hp0");
        checkAspect("IF$vsm:DB-HV-1969:block_distant($0010)", "Hp0");
        checkAspect("IF$vsm:DB-HV-1969:entry_distant($0004)", "Hp1+Vr0");
        checkAspect("IF$vsm:DB-HV-1969:entry_distant($0007)", "Hp1+Vr1");
        checkAspect("IF$vsm:DB-HV-1969:entry_distant($0011)", "Hp0");
        checkAspect("IF$vsm:DB-HV-1969:exit_distant($0005)", "Hp00");
        checkAspect("IF$vsm:DB-HV-1969:exit_distant($0006)", "Hp1+Vr0");
        checkAspect("IF$vsm:DB-HV-1969:exit_distant($0008)", "Hp1+Vr0");
        checkAspect("IF$vsm:DB-HV-1969:shunting_dwarf($0012)", "Sh0");

        EditorFrameOperator efo = new EditorFrameOperator("DB1969 Control Panel Editor");
        efo.closeFrameWithConfirmations();
        EditorFrameOperator.clearEditorFrameOperatorThreads();

    }

    @Test
    @DisabledIfHeadless
    public void testLoadAA1UPtest() throws jmri.JmriException {

        // load file
        InstanceManager.getDefault(jmri.jmrit.display.layoutEditor.LayoutBlockManager.class).setStabilisedSensor("IS_ROUTING_DONE");

        Assertions.assertTrue(InstanceManager.getDefault(ConfigureManager.class)
                .load(new java.io.File("java/test/jmri/jmrit/display/valid/AA1UPtest.xml")));

        InstanceManager.getDefault(jmri.LogixManager.class).activateAllLogixs();
        InstanceManager.getDefault(jmri.jmrit.display.layoutEditor.LayoutBlockManager.class).initializeLayoutBlockPaths();

        JUnitUtil.waitFor(() -> {
            return InstanceManager.sensorManagerInstance().provideSensor("IS_ROUTING_DONE").getKnownState() == jmri.Sensor.ACTIVE;
        }, "LayoutEditor stabilized sensor went ACTIVE");

        // check aspects
        checkAspect("IF$vsm:BNSF-1996:SE-1A($0152)", "Stop");  // not on visual panel

        checkAspect("IF$vsm:UP-2008:SL-3A($0170)", "Advance Approach");
        checkAspect("IF$vsm:UP-2008:SL-3A($0171)", "Stop");
        checkAspect("IF$vsm:UP-2008:SL-3A($0172)", "Approach");
        checkAspect("IF$vsm:UP-2008:SL-3A($0173)", "Restricting");
        checkAspect("IF$vsm:UP-2008:SL-3A($0174)", "Advance Approach");
        checkAspect("IF$vsm:UP-2008:SL-3A($0176)", "Clear");
        checkAspect("IF$vsm:UP-2008:SL-3A($0178)", "Approach");
        checkAspect("IF$vsm:UP-2008:SL-3A($0179)", "Approach");
        checkAspect("IF$vsm:UP-2008:SL-3A($0181)", "Clear");
        checkAspect("IF$vsm:UP-2008:SL-3A($0183)", "Clear");
        checkAspect("IF$vsm:UP-2008:SL-3A($0185)", "Advance Approach");
        checkAspect("IF$vsm:UP-2008:SL-3A($0186)", "Stop");
        checkAspect("IF$vsm:UP-2008:SL-3A($0230)", "Approach");
        checkAspect("IF$vsm:UP-2008:SL-3A($0231)", "Advance Approach");
        checkAspect("IF$vsm:UP-2008:SL-3A($0232)", "Clear");
        checkAspect("IF$vsm:UP-2008:SL-3A($0233)", "Stop");
        checkAspect("IF$vsm:UP-2008:SL-3A($0234)", "Stop");
        checkAspect("IF$vsm:UP-2008:SL-3A($0235)", "Restricting");
        checkAspect("IF$vsm:UP-2008:SL-3A($0236)", "Stop");
        checkAspect("IF$vsm:UP-2008:SL-3A($0237)", "Stop");
        checkAspect("IF$vsm:UP-2008:SL-3A($0238)", "Stop");
        checkAspect("IF$vsm:UP-2008:SL-3A($0239)", "Clear");
        checkAspect("IF$vsm:UP-2008:SL-3A($0240)", "Clear");
        checkAspect("IF$vsm:UP-2008:SL-3A($0241)", "Restricting");
        checkAspect("IF$vsm:UP-2008:SL-3A($0242)", "Stop");
        checkAspect("IF$vsm:UP-2008:SL-3A($0243)", "Approach");
        checkAspect("IF$vsm:UP-2008:SL-3A($0244)", "Stop");
        checkAspect("IF$vsm:UP-2008:SL-3A($0245)", "Approach");
        checkAspect("IF$vsm:UP-2008:SL-3A($0246)", "Stop");
        checkAspect("IF$vsm:UP-2008:SL-3A($0247)", "Stop");
        checkAspect("IF$vsm:UP-2008:SL-3A($0248)", "Stop");
        checkAspect("IF$vsm:UP-2008:SL-3L2($0249)", "Approach Restricting");
        checkAspect("IF$vsm:UP-2008:SL-3L2($0250)", "Approach");

        final int numErrorMessages = 19;
        // clean up messages from file
        for (int i=0; i < numErrorMessages; i++) {
            jmri.util.JUnitAppender.assertErrorMessageStartsWith("No facing block found for source mast IF$vsm:BNSF-1996:SL-");
        }

        EditorFrameOperator efo = new EditorFrameOperator("AA1UPtest Layout");
        efo.closeFrameWithConfirmations();
        EditorFrameOperator.clearEditorFrameOperatorThreads();
    }

    void checkAspect(String mastName, String aspect) {
        SignalMast mast = InstanceManager.getDefault(jmri.SignalMastManager.class).getSignalMast(mastName);
        assertNotNull(mast, "Mast " + mastName + " not found");

        // wait present or error
        JUnitUtil.waitFor(() -> {
            return aspect.equals(mast.getAspect());
        },
            () -> "mast " + mastName + "currently showing \"" + mast.getAspect() + "\", expected aspect \"" + aspect + "\"," );

    }

    @BeforeEach
    public void setUp() {
        JUnitUtil.setUp();
        JUnitUtil.resetProfileManager();
        JUnitUtil.initConfigureManager();
        InstanceManager.store(new NamedBeanHandleManager(), NamedBeanHandleManager.class);
        JUnitUtil.initInternalTurnoutManager();
        JUnitUtil.initInternalLightManager();
        JUnitUtil.initInternalSensorManager();
        JUnitUtil.initMemoryManager();
    }

    @AfterEach
    public void tearDown() {
        JUnitUtil.deregisterBlockManagerShutdownTask();
        JUnitUtil.tearDown();
    }

}